Dan Stærk

Dan Stærk

Head of Department, Visiting professor

ORCID: 0000-0003-0074-298X

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  1. Published

    High-resolution bioactivity profiling combined with HPLC-HRMS-SPE-NMR: accelerated identification of bioactive constituents in food and medicinal plants

    Stærk, Dan, 2015.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  2. Published

    High-resolution bioactivity profiling combined with HPLC-HRMS-SPE-NMR: α-glucosidase inhibitors and acetylated ellagic acid rhamnosides from Myrcia palustris DC. (Myrtaceae)

    Wubshet, S. G., Moresco, H. H., Tahtah, Y., Brighente, I. M. C. & Stærk, Dan, 2015, In: Phytochemistry. 116, p. 246-252 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    High-resolution bioactivity profiling combined with hyphenated HPLC-SPE-NMR – Investigation of functional food and plants with antifungal constituents

    Stærk, Dan, 2014.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  4. Published

    High-resolution hyaluronidase inhibition profiling combined with HPLC-HRMS-SPE-NMR for identification of anti-necrosis constituents in Clausena excavata

    Liu, Y., Stærk, Dan, Nyberg, N. & Jager, A. K., Nov 2015, In: Planta Medica. 81, 16, p. 1432-1432

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  5. Published

    High-resolution hyaluronidase inhibition profiling combined with HPLC-HRMS-SPE-NMR for identification of anti-necrosis constituents in Chinese plants used to treat snakebite

    Liu, Y., Stærk, Dan, Nielsen, M. N., Nyberg, N. & Jäger, A. K., 2015, In: Phytochemistry. 119, p. 62-69 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    High-resolution inhibition profiling combined with HPLC-HRMS-SPE-NMR for identification of PTP1B inhibitors from Vietnamese plants

    Trinh, T. D. B., Jäger, A. K. & Stærk, Dan, 2017, In: Molecules. 22, 7, 12 p., 1228.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    High-resolution screening combined with HPLC–HRMS–SPE–NMR for identification of fungal plasma membrane H+-ATPase inhibitors from plants

    Kongstad, Kenneth Thermann, Wubshet, S. G., Johannesen, A., Kjellerup, L., winther, A. L., Jäger, A. & Stærk, Dan, 2014, In: Journal of Agricultural and Food Chemistry. 62, 24, p. 5595-5602 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    High-resolution screening combined with HPLC–HRMS–SPE–NMR for identification of potential health-promoting constituents in sea aster and searocket - New nordic food ingredients

    Wubshet, S. G., Schmidt, J. S., Wiese, S. & Stærk, Dan, 2013, In: Journal of Agricultural and Food Chemistry. 61, 36, p. 8616-8623

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    High-resolution snake venom inhibition profiling combined with HPLC-HRMS-SPE-NMR for identification of antivenomous constituents in Clausena excavata

    Liu, Y., Nyberg, N., Stærk, Dan & Jäger, A. K., 26 Aug 2015.

    Research output: Contribution to conference › Poster › Research

  10. Published

    High-resolution snake venom inhibition profiling combined with HPLC-HRMS-SPE-NMR for identification of antivenomous constituents in Clausena excavata

    Liu, Y., Nyberg, N., Stærk, Dan & Jäger, A., 2015.

    Research output: Contribution to conference › Poster › Research

  11. Published

    High-resolution α-amylase assay combined with high-performance liquid chromatography−solid-phase extraction−nuclear magnetic resonance spectroscopy for expedited identification of α-amylase inhibitors – proof of concept and α-amylase inhibitor in cinnamon.

    Okutan, L., Kongstad, Kenneth Thermann, Jäger, A. & Stærk, Dan, 2014, In: Journal of Agricultural and Food Chemistry. 62, 47, p. 11465-11471 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    High-resolution α-glucosidase and radical scavenging profiling combined with HPLC-HRMS-SPE-NMR for identification of bioactive constituents in crude extract of Pueraria lobata

    Liu, B., Kongstad, Kenneth Thermann, Nyberg, N., Qinglei, S., Jäger, A. & Stærk, Dan, 2015.

    Research output: Contribution to conference › Poster › Research

  13. Published

    High-resolution α-glucosidase and radical scavenging profiling combined with HPLC-HRMS-SPE-NMR for identification of bioactive constituents in crude extract of Pueraria lobata

    Liu, B., Kongstad, Kenneth Thermann, Nyberg, N. T., Sun, Q., Jager, A. K. & Stærk, Dan, Nov 2015, In: Planta Medica. 81, 16, p. 1437-1437

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  14. Published

    High-resolution α-glucosidase and radical scavenging profiling combined with HPLC-HRMS-SPE-NMR for identification of bioactive constituents in crude extract of Pueraria lobata

    Liu, B., Kongstad, Kenneth Thermann, Nyberg, N., Qinglei, S., Jäger, A. K. & Stærk, Dan, 26 Aug 2015.

    Research output: Contribution to conference › Poster › Research

  15. Published

    High-resolution α-glucosidase inhibition profiling combined with HPLC-HRMS-SPE-NMR for identification of anti-diabetic compounds in Eremanthus crotonoides (Asteraceae)

    Lana e Silva, E., Felipe Revoredo Lobo, J., Vinther, J. M., Moreira Borges, R. & Stærk, Dan, 2016, In: Molecules. 21, 6, 19 p., 782.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    High-resolution α-glucosidase inhibition profiling combined with HPLC-HRMS-SPE-NMR for identification of anti-diabetic compounds in Eremanthus crotonoides (Asteraceae)

    Silva, E. L., Lobo, J., Vinther, J. M., Borges, R. M. & Stærk, Dan, Dec 2016, In: Planta Medica. 82, S 01

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  17. Published

    Hyaluronidase, phospholipase A2 and protease inhibitory activity of plants used in traditional treatment of snakebite-induced tissue necrosis in Mali, DR Congo and South Africa

    Schmidt, M. M., Nielsen, L. H., Søgaard, S. V., Stærk, Dan, Rønsted, Nina, Diallo, D., Kusamba Zacharie, C., van Staden, J. & Jäger, A., 2014, In: Journal of Ethnopharmacology. 157, p. 171-180 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Hyphenation of HPLC, SPE and NMR for analysis of complex mixtures

    Stærk, Dan, 2009.

    Research output: Contribution to conference › Conference abstract for conference › Research

  19. Published

    Hyphenation of solid-phase extraction with liquid chromatography and nuclear magnetic resonance: application of HPLC-DAD-SPE-NMR to identification of constituents of Kanahia laniflora

    Clarkson, C., Stærk, Dan, Hansen, S. H. & Jaroszewski, J. W., 2005, In: Analytical Chemistry. 77, p. 3547-3553

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Identification and characterization of a new antifungal peptide in fermented milk product containing bioprotective Lactobacillus cultures

    McNair, Laura M., Siedler, S., Vinther, J. M., Hansen, A. M., Neves, A. R., Jäger, A. K., Franzyk, Henrik & Stærk, Dan, 2018, In: F E M S Yeast Research. 18, 9 p., foy094.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Identification of Amaryllidaceae alkaloids in larvae of the ‘lily borer’ moth Brithys crini

    Nair, J. J., Andresen, A. L., Papenfus, H., Stærk, Dan & van Staden, J., 2020, In: South African Journal of Botany. 131, p. 351-359

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Identification of Fungal H+-ATPase Inhibitors by Microfractionation and HPLC-HRMS-SPE-NMR

    Wubshet, S. G., Kongstad, Kenneth Thermann, Johannesen, A., Nyberg, N., Jäger, A., Kjellerup, L., Vinther, A. & Stærk, Dan, 2014.

    Research output: Contribution to conference › Poster › Research

  23. Published

    Identification of Fungal Plasma Membrane H+-ATPase Inhibitors in Lecaniodiscus cupanioides by HPLC-HRMS-SPE-NMR

    Straadt, I. K., Kongstad, Kenneth Thermann & Stærk, Dan, 2015.

    Research output: Contribution to conference › Poster › Research

  24. Published

    Identification of PTP1B and α-glucosidase inhibitory serrulatanes from Eremophila spp. by combined use of dual high-resolution PTP1B and α-glucosidase inhibition profiling and HPLC-HRMS-SPE-NMR

    Wubshet, S. G., Tahtah, Y., Heskes, A. M., Kongstad, Kenneth Thermann, Pateraki, Irini, Hamberger, B. R., Møller, Birger Lindberg & Stærk, Dan, 2016, In: Journal of Natural Products. 79, 4, p. 1063-1072 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Identification of major and minor constituents of Harpagophytum procumbens (Devil's Claw) using HPLC-SPE-NMR and HPLC-ESIMS/APCIMS

    Clarkson, C., Stærk, Dan, Hansen, S. H., Smith, P. J. & Jaroszewski, J. W., 2006, In: Journal of Natural Products. 69, p. 1280-1288

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Identification of natural products using HPLC-SPE combined with CapNMR

    Lambert, M., Wolfender, J., Stærk, Dan, Christensen, Søren Brøgger, Hostettmann, K. & Jaroszewski, J. W., 2007, In: Analytical Chemistry. 79, 2, p. 727-735

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Identification of new PTP1B-inhibiting decipiene diterpenoid esters from Eremophila clarkei by high-resolution PTP1B inhibition profiling, enzyme kinetics analysis, and molecular docking

    Liang, Chao, Zang, J., Ndi, C., Semple, S., Buirchell, B., Coriani, S., Møller, Birger Lindberg & Stærk, Dan, 2023, In: Bioorganic Chemistry. 139, 15 p., 106744.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Identification of reaction products between drug substances and excipients by HPLC-SPE-NMR: Ester and amide formation between citric acid and 5-aminosalicylic acid

    Larsen, J. T., Stærk, Dan, Cornett, Claus, Hansen, S. H. & Jaroszewski, J. W., 2009, In: Journal of Pharmaceutical and Biomedical Analysis. 49, p. 839-842

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Identification of α-glucosidase inhibitors in Machilus litseifolia by combined use of high-resolution α-glucosidase inhibition profiling and HPLC-PDA-HRMS-SPE-NMR

    Li, T., Kongstad, Kenneth Thermann & Stærk, Dan, 2019, In: Journal of Natural Products. 82, p. 249-258

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Identification of α-glucosidase inhibitors in apple peel - a chemometric approach

    Schmidt, J. S., Daykin, C. A. & Stærk, Dan, 2012. 1 p.

    Research output: Contribution to conference › Poster › Research

  31. Published

    Immobilized α-amylase magnetic beads for ligand fishing: Proof of concept and identification of α-amylase inhibitors in Ginkgo biloba

    Petersen, M. J., Lima, R. D. C. L., Kjaerulff, Louise & Stærk, Dan, 2019, In: Phytochemistry. 164, p. 94-101

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Improved solid-phase synthesis and study of arylopeptoids with conformation-directing side chains

    Hjelmgaard, T., Faure, S., De Santis, E., Stærk, Dan, Alexander, B. D., Edwards, A. A., Taillefumier, C. & Nielsen, J., 2012, In: Tetrahedron. 68, 23, p. 4444-4454 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    In vitro cytotoxic activity of phenanthroindolizidine alkaloids from Cynanchum vincetoxicum and Tylophora tanakae against drug-sensitive and multidrug-resistant cancer cells

    Stærk, Dan, Lykkeberg, A. K., Christensen, J., Budnik, B. A., Abe, F. & Jaroszewski, J. W., 2002, In: Journal of Natural Products. 65, p. 1299-1302

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Incorporation of the Cross Fire Beilstein database in the organic chemistry curriculum at the Royal Danish School of Pharmacy

    Christensen, Søren Brøgger, Franzyk, Henrik, Frølund, Bente, Jaroszewski, J. W., Stærk, Dan & Vedsø, P., 2002, In: Journal of Chemical Education. 79, p. 765-768

    Research output: Contribution to journal › Journal article › Research

  35. Published

    Incorporation of the crossfire Beilstein database into the organic chemistry curriculum at the Royal Danish School of Pharmacy

    Christensen, Søren Brøgger, Franzyk, Henrik, Frølund, Bente, Jaroszewski, J. W., Stærk, Dan & Vedsø, P., 1 Jun 2002, In: Journal of Chemical Education. 79, 6, 1 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Inhibition of α-glucosidase activity by selected edible seaweeds and fucoxanthin

    Zaharudin, N. B., Stærk, Dan & Dragsted, Lars Ove, 2019, In: Food Chemistry. 270, p. 481-486 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Inhibitory potential of 40 medicinal plant extracts from Madagascar against enzymes linked to type 2 diabetes

    Beidokhti, M. N., Lobbens, E. S., Rasoavaivo, P., Stærk, Dan & Jäger, A. K., 26 Aug 2015.

    Research output: Contribution to conference › Poster › Research

  38. Published

    Insects as sources for sustainable peptide drugs against type 2 diabetes

    Didriksen, A. H., Petersen, M. J. & Stærk, Dan, 8 Jun 2021. 1 p.

    Research output: Contribution to conference › Poster › Research

  39. Published

    Intact penetratin metabolite permeates across Caco-2 monolayers

    Birch, D., Christensen, M. V., Stærk, Dan, Franzyk, Henrik & Nielsen, Hanne Mørck, 2015.

    Research output: Contribution to conference › Poster › Research

  40. Published

    Integrating pathway elucidation with yeast engineering to produce polpunonic acid the precursor of the anti-obesity agent celastrol

    Hansen, N. L., Miettinen, Karel, Zhao, Yong, Ignea, C., Andreadeli, A., Raadam, Morten Hessellund, Makris, A. M., Møller, Birger Lindberg, Stærk, Dan, Bak, Søren & Kampranis, Sotirios, 2020, In: Microbial Cell Factories. 19, 17 p., 15.

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Investigation of antidiabetic potential of Phyllanthus niruri L. using assays for α-glucosidase, muscle glucose transport, liver glucose production, and adipogenesis

    Beidokhti, M. N., Andersen, M. V., Eid, H. M., Villavicencio, M. L. S., Stærk, Dan, Haddad, P. S. & Jäger, A. K., 2017, In: Biochemical and Biophysical Research Communications. 493, 1, p. 869-874

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Investigation of medicinal plants from Madagascar against DPP-IV linked to type 2 diabetes

    Beidokhti, M. N., Lobbens, E. S. B., Rasoavaivo, P., Jäger, A. K. & Stærk, Dan, Mar 2018, In: South African Journal of Botany. 115, p. 113-119

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Investigation of skin permeation, ex vivo inhibition of venom-induced tissue destruction, and wound healing of African plants used against snakebites

    Schmidt, M. M., Stærk, Dan, Nielsen, Hanne Mørck, Brandner, J. M., Diallo, D., Kusamba Zacharie, C., Van Staden, J. & Jäger, A., 2015, In: Journal of Ethnopharmacology. 165, p. 1-8

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Investigation of the mechanism and chemistry underlying Staphylococcus aureus' ability to inhibit Pseudomonas aeruginosa growth in vitro

    Kvich, Lasse Andersson, Crone, S. G., Christensen, M. H., Lima, R. D. C. L., Alhede, M., Alhede, M., Stærk, Dan & Bjarnsholt, Thomas, 2022, In: Journal of Bacteriology. 204, 11, 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Isolation and structure elucidation of caryophyllane sesquiterpenoids from leaves of Eremophila spathulata

    Bredahl, E. K., Kjaerulff, Louise, Ndi, C., Semple, S., Buirchell, B., Møller, Birger Lindberg & Stærk, Dan, 2022, In: Phytochemistry Letters. 47, p. 156-163

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Isolation and structure elucidation of cyclopeptide alkaloids from Ziziphus nummularia and Ziziphus spina-christi by HPLC-DAD-MS and HPLC-PDA-HRMS-SPE-NMR

    Tuenter, E., Foubert, K., Stærk, Dan, Apers, S. & Pieters, L., 2017, In: Phytochemistry. 138, p. 163-169

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Isolation and structure elucidation of serrulatane diterpenoids from the roots of Eremophila longifolia

    Rasmussen, L. F., Anton, J., Kjaerulff, Louise & Stærk, Dan, 2021, p. 1.

    Research output: Contribution to conference › Poster › Research

  48. Published

    Isolation of a library of aromadendranes from Landolphia dulcis and its characterization using the VolSurf approach

    Stærk, Dan, Skole, B., Jørgensen, Flemming Steen, Budnik, B. A., Ekpe, P. & Jaroszewski, J. W., 2004, In: Journal of Natural Products. 67, 5, p. 799-805 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Isolation, structure elucidation and PTP1B inhibitory activity of serrulatane diterpenoids from the roots of Myoporum insulare

    Kjaerulff, Louise, Jensen, A. B. J., Ndi, C., Semple, S. J., Møller, Birger Lindberg & Stærk, Dan, 2020, In: Phytochemistry Letters. 39, p. 49-56

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Itoside A and 4-hydroxytremulacin from Dovyalis caffra and Dovyalis zeyheri

    Stanstrup, Jan, Rusch, A., Agnolet, S., Rasmussen, H. B., Mølgaard, Per, Van Staden, J., Stafford, G. I. & Stærk, Dan, 2010, In: Biochemical Systematics and Ecology. 38, 3, p. 346-348 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. Published

    Jagten på bioaktive naturstoffer: Sammenkoblet HPLC-PDA-HRMS-SPE-NMR til hurtig identifikation af bioaktive naturstoffer i komplekse blandinger

    Stærk, Dan, 2021, In: Dansk Kemi. 102, 4, p. 40-44

    Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication

  52. Published

    Labdanes and isopimaranes from Platycladus orientalis and their effects on erythrocyte membrane and on Plasmodium falciparum growth in the erythrocyte host cells

    Asili, J., Lambert, M., Ziegler, H. L., Stærk, Dan, Sairafianpour, M., Witt, M., Asghari, G., Ibrahimi, I. & Jaroszewski, J. W., 2004, In: Journal of Natural Products. 67, p. 631-637

    Research output: Contribution to journal › Journal article › Research › peer-review

  53. Published

    Leishmanicidal and antiplasmodial activity of constituents of Smirnowia iranica

    Sairafianpour, M., Kayser, O., Christensen, J., Asfa, M., Witt, M., Stærk, Dan & Jaroszewski, J. W., 2003, In: Journal of Natural Products. 65, p. 1754-1768

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. Published

    Leishmanicidal, antiplasmodial and cytotoxic activity of indole alkaloids from Corynanthe pachyceras

    Stærk, Dan, Lemmich, E., Christensen, J., Kharazmi, A., Olsen, C. E. & Jaroszewski, J. W., 2000, In: Planta Medica. 66, p. 531-536

    Research output: Contribution to journal › Journal article › Research › peer-review

  55. Published

    Leishmanicidal, antiplasmodial, and cytotoxic activity of novel diterpenoid 1,2-quinones from Perovskia abrotanoides: new source of tanshinones

    Sairafianpour, M., Christensen, J., Stærk, Dan, Budnik, B. A., Kharazmi, A., Bagherzadeh, K. & Jaroszewski, J. W., 2001, In: Journal of Natural Products. 64, 11, p. 1398-1403 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. Published

    Ligand-fishing and bioactivity-correlated metabolomics for accelerated discovery of antidiabetic drug leads

    Nyberg, N. T., Wubshet, S. G., Kongstad, Kenneth Thermann & Stærk, Dan, Dec 2016, In: Planta Medica. 82, S 01

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  57. Published

    Lægemidler fra naturstoffer: fortid eller fremtid?

    Jaroszewski, J. W., Christensen, Søren Brøgger, Franzyk, Henrik, Stærk, Dan & Ziegler, H., 2008, In: Lægemiddelforskning. p. 4-6

    Research output: Contribution to journal › Journal article › Communication

  58. Published

    Magnetic ligand fishing as a targeting tool for HPLC-HRMS-SPE-NMR: α-glucosidase inhibitory ligands and alkylresorcinol glycosides from Eugenia catharinae.

    Wubshet, S. G., Brighente, I. M. C., Moaddel, R. & Stærk, Dan, 2015, In: Journal of Natural Products. 78, 11, p. 2657-2665 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. Published

    Microwave-Assisted Ring-Opening of Activated Aziridines with Resin-Bound Amines

    Franzyk, Henrik, Crestey, F., Witt, M., Frydenvang, Karla Andrea, Stærk, Dan & Jaroszewski, J., 2008, In: Synfacts. 7, p. 769

    Research output: Contribution to journal › Journal article › Research › peer-review

  60. Published

    Microwave-assisted ring-opening of activated aziridines with resin-bound amines

    Crestey, F., Witt, M., Frydenvang, Karla Andrea, Stærk, Dan, Jaroszewski, J. W. & Franzyk, Henrik, 2008, In: Journal of Organic Chemistry. 73, 9, p. 3566-3569 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  61. Published

    Moderne naturstofkemi: effektiv analyse af naturens stofbiblioteker

    Stærk, Dan, Lemmich, E., Franzyk, Henrik, Lemmich, J. & Jaroszewski, J. W., 2000, In: Lægemiddelforskning. p. 6-7

    Research output: Contribution to journal › Journal article › Communication

  62. Published

    Molecular phylogenetics as a predictive tool in plant-based drug discovery in the genus Euphorbia L.

    Ernst, M., Saslis Lagoudakis, H., Grace, O. M., Nilsson, N., Simonsen, H. T., Horn, J. W., Stærk, Dan & Rønsted, Nina, 2016, In: Planta Medica. 82, S 01

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  63. Published

    Multivariate analysis of integrated and full-resolution 1H-NMR spectral data from complex pharmaceutical preparations: St. John's wort

    Rasmussen, B., Cloarec, O., Tang, H., Stærk, Dan & Jaroszewski, J. W., 2006, In: Planta Medica. 72, p. 556-563

    Research output: Contribution to journal › Journal article › Research › peer-review

  64. Published

    NMR for gymnasieelever: forelæsningsslides, tabeller og opgavesamling til en NMR undervisningssession for gymnasieelever

    Stærk, Dan, 2010, Institut for Grundvidenskab og Miljø, Københavns Universitet. 39 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  65. Published

    NMR-based metabolomics and hyphenated NMR techniques – a perfect match in natural products research

    Vinther, J. M., Wubshet, S. G. & Stærk, Dan, Aug 2015, Ethnopharmacology - a Reader. Heinrich, M. & Jäger, A. K. (eds.). Chichester: Wiley, p. 63-74

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  66. Published

    NMR-based metabolomics for identification of α-amylase inhibitors in rowan berries (Sorbus spp.)

    Broholm, S. L., Gramsbergen, S., Nyberg, N., Jäger, A. & Stærk, Dan, 2015. 1 p.

    Research output: Contribution to conference › Poster › Research

  67. Published

    NMR-spectroscopic studies, and pharmacological evaluation of alkaloids from some medicinal plants

    Stærk, Dan, 2000, Royal Danish school of Pharmacy.

    Research output: Book/Report › Ph.D. thesis › Research

  68. Published

    Navigating through chemical space and evolutionary time across the Australian continent in plant genus Eremophila

    Gericke, Oliver, Fowler, R., Heskes, A., Bayly, M., Semple, S., Ndi, C. P., Stærk, Dan, Loland, Claus Juul, Murphy, D. J., Buirchell, B. & Møller, Birger Lindberg, 2021, In: Plant Journal. 108, 2, p. 555-578

    Research output: Contribution to journal › Journal article › Research › peer-review

  69. Published

    Nerylneryl diphosphate is the precursor of serrulatane, viscidane and cembrane-type diterpenoids in Eremophila species

    Gericke, Oliver, Hansen, N. L., Pedersen, G. B., Kjaerulff, Louise, Luo, Dan, Stærk, Dan, Møller, Birger Lindberg, Pateraki, Irini & Heskes, A., 2020, In: B M C Plant Biology. 20, 15 p., 91.

    Research output: Contribution to journal › Journal article › Research › peer-review

  70. Published

    New bisbenzylisoquinoline alkaloid from Laureliopsis philippiana

    Stærk, Dan, Thi, L. P., Rasmussen, H. B., Guzmán, A. & Mølgaard, Per, 2009, In: Fitoterapia. 80, 2, p. 112-114 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  71. Published

    New dammarane and malabaricane triterpenes from Caloncoba echinata

    Ziegler, H. L., Stærk, Dan, Christensen, J., Olsen, C. E., Sittie, A. A. & Jaroszewski, J. W., 2002, In: Journal of Natural Products. 65, p. 1764-1768

    Research output: Contribution to journal › Journal article › Research › peer-review

  72. Published

    New resistance-correlated saponins from the insect-resistant crucifer Barbarea vulgaris

    Nielsen, Nikoline Juul, Nielsen, J. & Stærk, Dan, 2010, In: Journal of Agricultural and Food Chemistry. 58, 9, p. 5509-5514 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  73. Published

    Non-biased investigation of standardized Ginkgo biloba preparations by 1H NMR-based metabolomics and HPLC-PDA-MS-SPE-NMR

    Agnolet, S., Jaroszewski, J. W., Verpoorte, R. & Stærk, Dan, 2009.

    Research output: Contribution to conference › Poster › Research

  74. Published

    Non-biased investigation of standardized Ginkgo biloba preparations by 1H NMR-based metabolomics and HPLC-PDA-MS-SPE-NMR

    Agnolet, S., Jaroszewski, J. W., Verpoorte, R. & Stærk, Dan, 2009. 1 p.

    Research output: Contribution to conference › Poster › Research

  75. Published

    Noter til M25-1 spektroskopi

    Stærk, Dan & Jaroszewski, J. W., 2007, København: Københavns Universitet, Det Farmaceutiske Fakultet, Institut for Medicinalkemi. 49 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  76. Published

    Når filmens fiktion bliver virkelighed

    Stærk, Dan, Lambert, M., Sairafianpour, M., Clarkson, C. & Jaroszewski, J. W., 2004, In: Lægemiddelforskning. p. 12-13

    Research output: Contribution to journal › Journal article › Communication

  77. Published

    On the biosynthetic origin of carminic acid

    Rasmussen, S. A., Kongstad, Kenneth Thermann, Khorsand-Jamal, P., Kannangara, R. M., Nafisi, M., Van Dam, A., Bennedsen, M., Madsen, B., Okkels, F. T., Gotfredsen, C. H., Stærk, Dan, Thrane, U., Mortensen, U. H., Larsen, T. O. & Frandsen, R. J. N., 2018, In: Insect Biochemistry and Molecular Biology. 96, p. 51-61 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  78. Published

    Orthogonal reversed-phase C18 and pentafluorophenyl HPLC separation for phytochemical profiling of serrulatanes in Eremophila denticulata

    Zhao, Yong, Li, T., Kjaerulff, Louise, Venter, H., Coriani, S., Møller, Birger Lindberg, Semple, S. & Stærk, Dan, 2023, In: Journal of Natural Products. 86, 12, p. 2638-2650

    Research output: Contribution to journal › Journal article › Research › peer-review

  79. Published

    Oxetane ring formation in taxol biosynthesis is catalyzed by a bifunctional cytochrome P450 enzyme

    Zhao, Yong, zpm303, zpm303, Xie, Yuman, Duan, Y. T., Andeadelli, A., Pateraki, Irini, Makris, A. M., Pomorski, Thomas Guenther, Stærk, Dan & Kampranis, Sotirios, 2024, In: Journal of the American Chemical Society. 146, p. 801-810

    Research output: Contribution to journal › Journal article › Research › peer-review

  80. Published

    Oxidation and cyclization of Casbene in the biosynthesis of Euphorbia factors from mature seeds of Euphorbia lathyris L

    Luo, Dan, Callari, R., Hamberger, B., Wubshet, S. G., Nielsen, M. T., Andersen-Ranberg, Johan, Hallström, B. M., Cozzi, F., Heider, H., Møller, Birger Lindberg, Stærk, Dan & Hamberger, B. R., 2016, In: Proceedings of the National Academy of Sciences of the United States of America. 113, 34, p. E5082-E5089 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  81. Published

    PTP1B-inhibiting branched-chain fatty acid dimers from Eremophila oppositifolia subsp. angustifolia identified by high-resolution PTP1B inhibition profiling and HPLC-PDA-HRMS-SPE-NMR analysis

    Pedersen, H. A., Ndi, C., Semple, S. J., Buirchell, B., Møller, Birger Lindberg & Stærk, Dan, 7 Apr 2020, In: Journal of Natural Products. 83, p. 1598-1610

    Research output: Contribution to journal › Journal article › Research › peer-review

  82. Published

    Peptides from chicken processing by-product inhibit DPP-IV and promote cellular glucose uptake: potential ingredients for T2D management

    Lima, R. D. C. L., Berg, R. S., Rønning, S. B., Afseth, N. K., Knutsen, S. H., Stærk, Dan & Wubshet, S. G., 2019, In: Food & Function. 10, p. 1619-1628

    Research output: Contribution to journal › Journal article › Research › peer-review

  83. Published

    Phenanthroindolizidine alkaloids from Vincetoxicum pumilum

    Stærk, Dan, Nezhad, K. B., Asili, J., Emami, S. A., Ahi, A., Sairafianpour, M. & Jaroszewski, J. W., 2005, In: Biochemical Systematics and Ecology. 33, p. 957-960

    Research output: Contribution to journal › Journal article › Research › peer-review

  84. Published

    Phytochemical investigation of Eremophila spp.

    Bredahl, E. K., Ergin, Y., Kjaerulff, Louise & Stærk, Dan, 2021, p. 1.

    Research output: Contribution to conference › Poster › Research

  85. Published

    Picraviane A and B: Nortriterpenes with limonoid-like skeletons containing a heptanolide E-ring system from Picramnia glazioviana

    Gimenes, L., Batista Junior, J. M., dos Santos Junior, F. M., Souza, M. D. S., Luna-Dulcey, L., Ellena, J., Cominetti, M. R., da Silva, M. F. D. G. F., Vieira, P. C., Fernandes, J. B. & Stærk, Dan, 2019, In: Phytochemistry. 163, p. 38-45

    Research output: Contribution to journal › Journal article › Research › peer-review

  86. Published

    Piperidine and tetrahydropyridine alkaloids from Lobelia siphilitica and Hippobroma longiflora:

    Kesting, J. R., Tolderlund, I., Pedersen, A. F., Witt, M., Jaroszewski, J. W. & Stærk, Dan, 2009, In: Journal of Natural Products. 72, 2, p. 312-315 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  87. Published

    Plantemetabolomer in action

    Schmidt, B., Stærk, Dan, Bro, Rasmus & Jaroszewski, J. W., 2006, In: Lægemiddelforskning. 2006, p. 4-5 2 p.

    Research output: Contribution to journal › Journal article › Research

  88. Published

    Polypharmacology-labeled molecular networking: An analytical technology workflow for accelerated identification of multiple bioactive constituents in complex extracts

    Zhao, Yong, Gericke, Oliver, Li, T., Kjaerulff, Louise, Kongstad, Kenneth Thermann, Heskes, A. M., Møller, Birger Lindberg, Jørgensen, Flemming Steen, Venter, H., Coriani, S., Semple, S. J. & Stærk, Dan, 2023, In: Analytical Chemistry. 95, 9, p. 4381-4389 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  89. Published

    Possible artefacts in the in vitro determination of antimalarial activity of natural products that incorporate into lipid bilayer: apparent antiplasmodial activity of dehydroabietinol, a constituent of Hyptis suaveolens

    Ziegler, H. L., Jensen, T. H., Christensen, J., Stærk, Dan, Hägerstrand, H., Sittie, A. A., Olsen, C. E., Staalsø, Trine, Ekpe, P. & Jaroszewski, J. W., 2002, In: Planta Medica. 68, p. 547-549 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  90. Published

    Potential of Myrtus communis Linn. as a bifunctional food: Dual high-resolution PTP1B and α-glucosidase inhibition profiling combined with HPLC-HRMS and NMR for identification of antidiabetic triterpenoids and phloroglucinol derivatives

    Liang, Chao, Stærk, Dan & Kongstad, Kenneth Thermann, 2020, In: Journal of Functional Foods. 64, 10 p., 103623.

    Research output: Contribution to journal › Journal article › Research › peer-review

  91. Published

    Potential of Polygonum cuspidatum root as an antidiabetic food: Dual high-resolution α-glucosidase and PTP1B inhibition profiling combined with HPLC-HRMS and NMR for identification of antidiabetic constituents

    Zhao, Yong, Chen, M. X., Kongstad, Kenneth Thermann, Jäger, A. K. & Stærk, Dan, 2017, In: Journal of Agricultural and Food Chemistry. 65, p. 4421-4427

    Research output: Contribution to journal › Journal article › Research › peer-review

  92. Published

    Potential of Sorbus berry extracts for management of type 2 diabetes: metabolomics investigation of 1H NMR spectra, α-amylase and α-glucosidase inhibitory activities, and in vivo anti-hyperglycaemic activity of S. norvegica

    Broholm, S. L., Gramsbergen, S., Nyberg, N., Jäger, A. K. & Stærk, Dan, 2019, In: Journal of Ethnopharmacology. 242, 10 p., 112061.

    Research output: Contribution to journal › Journal article › Research › peer-review

  93. Published

    Production of novel fusarielins by ectopic activation of the polyketide synthase 9 cluster in Fusarium graminearum

    Sørensen, J. L., Hansen, F. T., Søndergaard, T. E., Stærk, Dan, Lee, T. V., Wimmer, R., Klitgaard, L. G., Purup, S., Giese, H. & Frandsen, R. J. N., 2012, In: Environmental Microbiology. 14, 5, p. 1159-1170 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  94. Published

    Production of unusual dispiro metabolites in Pestalotiopsis virgatula endophyte cultures: HPLC-SPE-NMR, electronic circular dichroism, and time-dependent density-functional computation study

    Kesting, J. R., Olsen, L., Stærk, Dan, Tejesvi, M. V., Kini, K. R., Prakash, H. S. & Jaroszewski, J. W., 26 Sep 2011, In: Journal of Natural Products. 74, 10, p. 2206-2215

    Research output: Contribution to journal › Journal article › Research › peer-review

  95. Published

    Prolonged Shelf Life in Fermented Milk Products Investigated by Bioassay-Guided Chemometrics

    Vinther, J. M., Garrigues, C., Nyberg, N., Jäger, A., Franzyk, Henrik & Stærk, Dan, 2014.

    Research output: Contribution to conference › Poster › Research

  96. Published

    Quadruple high-resolution α-glucosidase/α-amylase/PTP1B/radical scavenging profiling combined with high-performance liquid chromatography – high-resolution mass spectrometry – solid-phase extraction – nuclear magnetic resonance spectroscopy for identification of antidiabetic constituents in crude root bark of Morus alba L.

    Zhao, Yong, Kongstad, Kenneth Thermann, Jäger, A. K., Nielsen, J. & Stærk, Dan, 2018, In: Journal of Chromatography A. 1556, p. 55-63

    Research output: Contribution to journal › Journal article › Research › peer-review

  97. Published

    Rapid extract dereplication using HPLC-SPE-NMR: analysis of isoflavonoids from Smirnowia iranica

    Lambert, M., Stærk, Dan, Hansen, S. H., Sairafianpour, M. & Jaroszewski, J. W., 2005, In: Journal of Natural Products. 68, p. 1500-1509

    Research output: Contribution to journal › Journal article › Research › peer-review

  98. Published

    Recreational drug use at a major music festival: trend analysis of anonymised pooled urine

    Hoegberg, L., Christiansen, C., Søe, J. L., Telving, R., Andreasen, M. F., Stærk, Dan, Christrup, Lona Louring & Kongstad, Kenneth Thermann, 2018, In: Clinical Toxicology. 56, p. 245-255 1360496.

    Research output: Contribution to journal › Journal article › Research › peer-review

  99. Published

    Reversal of ABCG2/BCRP-mediated multidrug resistance by 5,3’,5’-trihydroxy-3,6,7,4’-tetramethoxyflavone isolated from the Australian desert plant Eremophila galeata Chinnock

    Petersen, M. J., Lund, X. L., Semple, S. J., Buirchell, B., Franzyk, Henrik, Gajhede, Michael, Kongstad, Kenneth Thermann, Stenvang, Jan & Stærk, Dan, 2021, In: Biomolecules. 11, 10, 19 p., 1534.

    Research output: Contribution to journal › Journal article › Research › peer-review

  100. Published

    Screening for potential α-glucosidase and α-amylase inhibitory constituents from selected Vietnamese plants used to treat type 2 diabetes

    Trinh, T. D. B., Stærk, Dan & Jäger, A. K., 2016, In: Journal of Ethnopharmacology. 186, p. 189-195 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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