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Two new C-glucosyl benzoic acids and flavonoids from Mallotus nanus and their antioxidant activity
Archives of Pharmacal Research Số 2, năm 2010 (Tập 33, trang 203-208)
ISSN: 2536269
ISSN: 2536269
DOI: 10.1007/s12272-010-0203-8
Tài liệu thuộc danh mục: Scopus
Article
English
Từ khóa: antioxidant; benzoic acid derivative; flavonoid; juglanin; kaempferin; mallonanoside A; mallonanoside B; Mallotus nanus extract; methanol; myricetin 3 rhamnoside; plant extract; plant medicinal product; quercitrin; rhoifolin; unclassified drug; antioxidant activity; article; chelation; drug isolation; drug structure; Mallotus nanus; Mallotus philippinensis; nonhuman; plant leaf; reduction; Antioxidants; Flavonoids; Free Radical Scavengers; Gallic Acid; Glucosides; Mallotus Plant; Plant Extracts; Plant Leaves; Reactive Oxygen Species; Structure-Activity Relationship; Vanillic Acid
Tóm tắt tiếng anh
Two new 2-C-β-D-glucopyranosyl benzoic acid derivatives named mallonanosides A (1) and B (2) were isolated from the methanolic extract of the leaves of Mallotus nanus along with five known flavonoids, kaempferin (3), juglanin (4), quercitrin (5), myricitrin (6), and rhoifolin (7). Their structures were established on the basis of spectral and chemical evidence. Their antioxidant activities were shown to depend on the number of hydroxyl groups, and the location and species of sugar moiety. © 2010 The Pharmaceutical Society of Korea and Springer Netherlands.
