Characterization of flavonoids from Dryopteris erythrosora and evaluation of their antioxidant, anticancer and acetylcholinesterase inhibition activities

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• 作者：Jianguo Cao ; Xian Xia ; Xuefei Chen ; Jianbo Xiao ; ^{jianboxiao@yahoo.com} ; Quanxi Wang ; ^{wangqx@shnu.edu.cn}
• 关键词：Flavonoids ; Antioxidant ; Anticancer ; Characterization ; HPLC-DAD&ndash ; ESI-MS ; Dryopteris erythrosora
• 刊名：Food and Chemical Toxicology
• 出版年：2013
• 出版时间：January, 2013
• 年：2013
• 卷：51
• 期：Complete
• 页码：242-250
• 全文大小：707 K

文摘

The profiles and bioactivities of flavonoids extracted from Dryopteris erythrosora were investigated. The total flavonoid content in full plant of D. Erythrosora is about 14.33 % . The main flavonoids in D. Erythrosora were identified as gliricidin 7-O-hexoside, apigenin7-O-glucoside, quercetin 7-O-rutinoside, quercetin 7-O-galactoside, keampferol 7-O-gentiobioside, keampferol-3-O-rutinoside, myricetin 3-O-rhamnoside and quercitrin by means of HPLC-DAD-ESI-MS. Flavonoids (0.36 mg/ml) extract from D. erythrosora showed similar 2,2-diphenyl-1-picrylhydrazyl free radical (DPPH), 2,2¡ä-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) radical (ABTS), superoxide anion scavenging potential and ferric reducing antioxidant potential (FRAP) with that of rutin (0.80 mg/ml). However, the antioxidant power by FRAP assay of 0.36 mg/ml flavonoids extract from D. erythrosora was much weaker than that of 0.80 mg/ml rutin. Moreover, the flavonoids extract from D. erythrosora showed obvious cytotoxic effects on A549 cells. The antioxidant activities of flavonoids extracts from 69 ferns showed a significant reciprocal proportion to the total flavonoids contents. The flavonoids extract from D. erythrosora exhibited a dose-dependent inhibition against acetylcholinesterase. Moreover, the anticancer activity slightly increased with improving antioxidant potential of fern flavonoids. Fern flavonoids are excellent function foods.