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Journal Abstract Search

195 related items for PubMed ID: 26177929

  • 1. The comparative toxicity of a reduced, crude comfrey (Symphytum officinale) alkaloid extract and the pure, comfrey-derived pyrrolizidine alkaloids, lycopsamine and intermedine in chicks (Gallus gallus domesticus).
    Brown AW, Stegelmeier BL, Colegate SM, Gardner DR, Panter KE, Knoppel EL, Hall JO.
    J Appl Toxicol; 2016 May; 36(5):716-25. PubMed ID: 26177929
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  • 2. Semi-automated separation of the epimeric dehydropyrrolizidine alkaloids lycopsamine and intermedine: preparation of their N-oxides and NMR comparison with diastereoisomeric rinderine and echinatine.
    Colegate SM, Gardner DR, Betz JM, Panter KE.
    Phytochem Anal; 2014 May; 25(5):429-38. PubMed ID: 24816769
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  • 7. Is comfrey root more than toxic pyrrolizidine alkaloids? Salvianolic acids among antioxidant polyphenols in comfrey (Symphytum officinale L.) roots.
    Trifan A, Opitz SEW, Josuran R, Grubelnik A, Esslinger N, Peter S, Bräm S, Meier N, Wolfram E.
    Food Chem Toxicol; 2018 Feb; 112():178-187. PubMed ID: 29288756
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  • 10. Analysis of herbal teas made from the leaves of comfrey (Symphytum officinale): reduction of N-oxides results in order of magnitude increases in the measurable concentration of pyrrolizidine alkaloids.
    Oberlies NH, Kim NC, Brine DR, Collins BJ, Handy RW, Sparacino CM, Wani MC, Wall ME.
    Public Health Nutr; 2004 Oct; 7(7):919-24. PubMed ID: 15482618
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  • 11. Globoidnan A, rabdosiin and globoidnan B as new phenolic markers in European-sourced comfrey (Symphytum officinale L.) root samples.
    Trifan A, Wolfram E, Esslinger N, Grubelnik A, Skalicka-Woźniak K, Minceva M, Luca SV.
    Phytochem Anal; 2021 Jul; 32(4):482-494. PubMed ID: 33015885
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  • 12. Improved method for isolation of lycopsamine from roots of comfrey (Symphytum officinale).
    Janes D, Kalamar B, Kreft S.
    Nat Prod Commun; 2012 Jul; 7(7):861-2. PubMed ID: 22908565
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  • 15. Analysis, separation, and bioassay of pyrrolizidine alkaloids from comfrey (Symphytum officinale).
    Couet CE, Crews C, Hanley AB.
    Nat Toxins; 1996 Jul; 4(4):163-7. PubMed ID: 8887946
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  • 17. Potentially toxic pyrrolizidine alkaloids in Eupatorium perfoliatum and three related species. Implications for herbal use as boneset.
    Colegate SM, Upton R, Gardner DR, Panter KE, Betz JM.
    Phytochem Anal; 2018 Nov; 29(6):613-626. PubMed ID: 29968391
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  • 18. Specific Distribution of Pyrrolizidine Alkaloids in Floral Parts of Comfrey (Symphytum officinale) and its Implications for Flower Ecology.
    Stegemann T, Kruse LH, Brütt M, Ober D.
    J Chem Ecol; 2019 Feb; 45(2):128-135. PubMed ID: 30054770
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  • 20. Influence of pyrrolizidine alkaloids depletion upon the biological activity of Symphytum officinale L. extracts.
    Trifan A, Czerwińska ME, Zengin G, Esslinger N, Grubelnik A, Wolfram E, Skalicka-Woźniak K, Luca SV.
    J Ethnopharmacol; 2023 Mar 01; 303():116010. PubMed ID: 36493995
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