期刊
NATURAL PRODUCT RESEARCH
卷 27, 期 9, 页码 834-836出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2012.704370
关键词
Crataegus; flowers; radical scavenging activity; Mexican hawthorns
Flavonoids and antioxidant activity of extracts of flowers from some Mexican accessions of Crataegus were studied using six accessions with the purpose of contributing to the knowledge of the nutraceutical properties of the accessions of the Germplasm Bank of the Universidad Autonoma Chapingo. Flavonoids were identified by HPLCMS. Among the flavonoids, the quercetin 3-O-glucoside (3), quercetin 3-O-rhamnoside (4), quercetin 3-O-rhamnosyl-(16)-glucoside (2) and quercetin 3-O-rhamnosyl-(12)-[rhamnosyl-(16)]-glucoside (1) were assigned. Flavonoid content and radical scavenging activity explain some of the medicinal properties attributed to flowers of Mexican hawthorns.
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