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Astragalin
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Astragalin ist das 3-O-Glycosid des KΓ€mpferols, welches zur Untergruppe der Flavonole innerhalb der Stoffgruppe der Flavonoide gehΓΆrt.

Contents

β€’ Vorkommen
β€’ Literatur

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Vorkommen

Astragalin ist ein sekundΓ€rer Pflanzenstoff, der in vielen verschiedenen Pflanzen vorkommt,cite-ref-2[2]cite-ref-3[3]cite-ref-books-wy3ybqaaqbaj-684-4-0[4] beispielsweise in Tragant (synonym Astragalus sp.), Rosa agrestis,cite-ref-pmid-25637445-5-0[5] Aristolochia indica,cite-ref-6[6]cite-ref-7[7] Cuscuta chinensis,cite-ref-8[8] der amerikanischen Kermesbeere, Hopfenextrakt,cite-ref-books-85kibwaaqbaj-400-9-0[9] Goldrutenkraut,cite-ref-books-85kibwaaqbaj-400-9-1[9] HolunderblΓΌten,cite-ref-books-85kibwaaqbaj-400-9-2[9] LindenblΓΌten,cite-ref-books-85kibwaaqbaj-400-9-3[9] ArnikablΓΌten,cite-ref-books-85kibwaaqbaj-400-9-4[9] Wein und Weintrauben,cite-ref-books-5irnbqaaqbaj-119-10-0[10] Teecite-ref-books-5irnbqaaqbaj-119-10-1[10] sowie Heidelbeeren.

Eigenschaften

Astragalin kommt nicht in Tieren vor. Es besitzt als experimenteller Wirkstoff in Zellkulturen von SΓ€ugetierzellen antioxidative und antientzΓΌndliche Eigenschaften.cite-ref-pmid-25069610-11-0[11] Es hemmt die AktivitΓ€t von Interleukin-1Ξ², dadurch wird in Folge die von NFΞΊB gemindert und der MAPK-Signalweg gehemmt.cite-ref-pmid-25637445-5-1[5] Weiterhin hemmt es die Genexpression von Cox-2 und iNOS.cite-ref-pmid-25637445-5-2[5] Es hemmt die Apoptose in Lungenepithelzellen durch Hemmung der Genexpression von Eotaxin-1 und des MAPK-Signalwegs.cite-ref-pmid-25069610-11-1[11] Astragalin-Heptaacetat fΓΌhrt dagegen in Zellkulturen von Lungenepithel zu verstΓ€rkter Apoptose, die durch Gabe des Antioxidans Acetylcystein wieder aufgehoben wird.cite-ref-12[12] Astragalin ist ein 3-O-Glucosid von Kaempferol.

Literatur

β€’ Frank Bisby: Phytochemical Dictionary of the Leguminosae. CRC Press, 1994, ISBN 978-0-412-39770-7.

Einzelnachweise

cite-note-sigma-11. Datenblatt Kaempferol 3-glucoside bei Sigma-Aldrich, abgerufen am 20. Mai 2017 (PDF).
cite-note-22. ↑ Frank Bisby: Phytochemical Dictionary of the Leguminosae. BΓ€nde 1–2 von Phytochemical Dictionary of the Leguminosae: ILDIS, International Legume Database & Information Service : CHCD, Chapman & Hall Chemical Database, I.W. Southon, CRC Press, 1994. ISBN 9780412397707. S. 841, 842.
cite-note-33. ↑ John Buckingham: Dictionary of Natural Products, Band 3 CRC Press, 1993. ISBN 9780412466205.
cite-note-books-wy3ybqaaqbaj-684-44. ↑ R. Hegnauer: Chemotaxonomie der Pflanzen. Springer-Verlag, 2013, ISBN 978-3-034-87986-6.
cite-note-pmid-25637445-55. ↑ Z. Ma, T. Piao, Y. Wang, J. Liu: Astragalin inhibits IL-1Ξ²-induced inflammatory mediators production in human osteoarthritis chondrocyte by inhibiting NF-ΞΊB and MAPK activation. In: International Immunopharmacology. Band 25, Nummer 1, 2015, S. 83–87, doi:10.1016/j.intimp.2015.01.018, PMID 25637445.
cite-note-66. ↑ L. W. Soromou, N. Chen, L. Jiang, M. Huo, M. Wei, X. Chu, F. M. Millimouno, H. Feng, Y. Sidime, X. Deng: Astragalin attenuates lipopolysaccharide-induced inflammatory responses by down-regulating NF-ΞΊB signaling pathway. In: Biochemical and Biophysical Research Communications. Band 419, Nummer 2, MΓ€rz 2012, S. 256–261, doi:10.1016/j.bbrc.2012.02.005, PMID 22342978.
cite-note-77. ↑ D. C. Desai, J. Jacob, A. Almeida, R. Kshirsagar, S. L. Manju: Isolation, structural elucidation and anti-inflammatory activity of astragalin, (-)hinokinin, aristolactam I and aristolochic acids (I & II) from Aristolochia indica. In: Natural Product Research. Band 28, Nummer 17, 2014, S. 1413–1417, doi:10.1080/14786419.2014.905563, PMID 24854204.
cite-note-88. ↑ S. Donnapee, J. Li, X. Yang, A. H. Ge, P. O. Donkor, X. M. Gao, Y. X. Chang: Cuscuta chinensis Lam.: A systematic review on ethnopharmacology, phytochemistry and pharmacology of an important traditional herbal medicine. In: Journal of Ethnopharmacology. Band 157, November 2014, S. 292–308, doi:10.1016/j.jep.2014.09.032, PMID 25281912.
cite-note-books-85kibwaaqbaj-400-99. ↑ Ernst Steinegger: Pharmakognosie. Springer-Verlag, 2013, ISBN 978-3-662-09267-5, S. 288.
cite-note-books-5irnbqaaqbaj-119-1010. ↑ Shmuel Yannai: Dictionary of Food Compounds with CD-ROM, Second Edition. CRC Press, 2012, ISBN 978-1-420-08352-1, S. 119.
cite-note-pmid-25069610-1111. ↑ I. H. Cho, J. H. Gong, M. K. Kang, E. J. Lee, J. H. Park, S. J. Park, Y. H. Kang: Astragalin inhibits airway eotaxin-1 induction and epithelial apoptosis through modulating oxidative stress-responsive MAPK signaling. In: BMC pulmonary medicine. Band 14, 2014, S. 122, doi:10.1186/1471-2466-14-122, PMID 25069610, PMC 4118077 (freier Volltext).
cite-note-1212. ↑ O. Burmistrova, J. Quintana, J. G. DΓ­az, F. EstΓ©vez: Astragalin heptaacetate-induced cell death in human leukemia cells is dependent on caspases and activates the MAPK pathway. In: Cancer Letters. Band 309, Nummer 1, Oktober 2011, S. 71–77, doi:10.1016/j.canlet.2011.05.018, PMID 21658841.