期刊
JOURNAL OF ETHNOPHARMACOLOGY
卷 79, 期 3, 页码 379-381出版社
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0378-8741(01)00413-5
关键词
flavonoids; Licania licaniaeflora; antioxidants; free radical scavenging activity
In our screening program for antioxidants with DPPH radical scavenging activity we tested several flavonoids isolated from the leaves of Licania licaniaeflora (Chrysobalanaceae family) and identified by spectroscopic evidence, particularly with H-1 and C-13 NMR. All the isolated compounds exhibited DPPH radical scavenging activity: quercetin derivatives showed the strongest action, while the flavanone 8-hydroxy-naringenin and kaempferol 3-O-alpha-rhamnoside had the lowest. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
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