2021年12月6日 星期一
毛豹皮樟叶水提物的活性成分及其清除亚硝酸钠和阻断亚硝胺合成的作用
Active components in water extracts from leaf of Litsea coreana var. lanuginosa and its effects on scavenging sodium nitrite and blocking nitrosamine synthesis
2016年 第25卷 第1期 页码[102-104]    下载全文[0.8MB]  
Abstract

Contents of total polyphenols and total flavonoids in water extracts from leaf of Litsea coreana var. lanuginosa

(Migo) Yang et P. H. Huang were determined, and effects of these water extracts on scavenging sodium nitrite (NaNO2 ) and blocking nitrosamine synthesis were studied. The results show that contents of total polyphenols and total flavonoids in water extracts from leaf of L. coreana var. lanuginosa are 4. 64% and 2. 96%, respectively. With enhancing of mass concentration of water extracts, both NaNO2 scavenging rate and blocking rate of nitrosamine synthesis increase gradually,and there are obvious dose-effect relationships between mass concentration of water extracts with NaNO2 scavenging rate and blocking rate of nitrosamine synthesis, their half-effect dose (ED50 ) are 0. 06 and 0. 25 mg·mL-1, respectively. It is suggested that the effects of water extracts from leaf of L. coreana var. lanuginose on scavenging NaNO2 and blocking nitrosamine synthesis are related to polyphenols and flavonoids in the water extracts.

关键词毛豹皮樟叶; 总多酚; 总黄酮; 清除亚硝酸钠; 阻断亚硝胺合成; 半效剂量(ED50 )
Key wordsleaf of Litsea coreana var. lanuginosa (Migo) Yang et P. H. Huang; total polyphenols; total flavonoids; scavenging sodium nitrite; blocking nitrosamine synthesis; half-effect dose (ED50 )
作者芶琳a, 王春薇b, 倪苏b, 钟宣伯b
所在单位四川农业大学: a. 生命科学学院, b. 农学院, 四川成都611130
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基金项目国家自然科学基金资助项目(30971795)