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Antioxidant flavonoids and phenolic acids from leaves of Leea guineense G Don (Leeaceae).
Phytother Res. 2003 Apr; 17(4):345-7.PR

Abstract

From leaves of Leea guineense (Leeaceae) three hydrophilic flavonoids were isolated and identified as quercetin-3'-sulphate-3-O-alpha-L-rhamnopyranoside, quercetin-3,3'-disulphate and a new flavonoid sulphate, quercetin-3,3',4'-trisulphate, together with kaempferol, quercetin, quercitrin, mearnsitrin, gallic acid and ethyl gallate. The structures were established by spectroscopic analysis (UV, MS, (1)H-NMR, (13)C-NMR and 2D-NMR). Their antioxidant effect on free radical scavenging was evaluated in the DPPH assay.

Authors+Show Affiliations

Département de Pharmacochimie Moléculaire UMR 5063 CNRS/UJF, Faculté de Pharmacie de Grenoble, LA TRONCHE, France.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

12722137

Citation

Op de Beck, Philippe, et al. "Antioxidant Flavonoids and Phenolic Acids From Leaves of Leea Guineense G Don (Leeaceae)." Phytotherapy Research : PTR, vol. 17, no. 4, 2003, pp. 345-7.
Op de Beck P, Cartier G, David B, et al. Antioxidant flavonoids and phenolic acids from leaves of Leea guineense G Don (Leeaceae). Phytother Res. 2003;17(4):345-7.
Op de Beck, P., Cartier, G., David, B., Dijoux-Franca, M. G., & Mariotte, A. M. (2003). Antioxidant flavonoids and phenolic acids from leaves of Leea guineense G Don (Leeaceae). Phytotherapy Research : PTR, 17(4), 345-7.
Op de Beck P, et al. Antioxidant Flavonoids and Phenolic Acids From Leaves of Leea Guineense G Don (Leeaceae). Phytother Res. 2003;17(4):345-7. PubMed PMID: 12722137.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Antioxidant flavonoids and phenolic acids from leaves of Leea guineense G Don (Leeaceae). AU - Op de Beck,Philippe, AU - Cartier,Gilbert, AU - David,Bruno, AU - Dijoux-Franca,Marie-Geneviève, AU - Mariotte,Anne-Marie, PY - 2003/5/2/pubmed PY - 2003/7/29/medline PY - 2003/5/2/entrez SP - 345 EP - 7 JF - Phytotherapy research : PTR JO - Phytother Res VL - 17 IS - 4 N2 - From leaves of Leea guineense (Leeaceae) three hydrophilic flavonoids were isolated and identified as quercetin-3'-sulphate-3-O-alpha-L-rhamnopyranoside, quercetin-3,3'-disulphate and a new flavonoid sulphate, quercetin-3,3',4'-trisulphate, together with kaempferol, quercetin, quercitrin, mearnsitrin, gallic acid and ethyl gallate. The structures were established by spectroscopic analysis (UV, MS, (1)H-NMR, (13)C-NMR and 2D-NMR). Their antioxidant effect on free radical scavenging was evaluated in the DPPH assay. SN - 0951-418X UR - https://www.unboundmedicine.com/medline/citation/12722137/Antioxidant_flavonoids_and_phenolic_acids_from_leaves_of_Leea_guineense_G_Don__Leeaceae__ L2 - https://doi.org/10.1002/ptr.1141 DB - PRIME DP - Unbound Medicine ER -