摘要
以山核桃仁多酚为原料,通过酸水解分析仁多酚内可能含有的有机酸成分,结果表明,仁多酚干物质经脱糖苷之后,可以形成自由的酚酸,检测到没食子酸及绿原酸含量分别为18.2mg·g-1及246.7mg/g干物质;同时山核桃仁多酚干物质进行体外抗氧化分析表明,仁多酚具有较高的抗氧化活性,对DPPH自由基和.OH自由基清除率较高,其抗氧化能力一定范围内与VC及BHA相当。
The composition of phenolic acids from the acidic hydrolysis of polyphenols of Carya cathayensis kernel was analyzed.Several free phenolic acids had been found from polyphenols of Carya cathayensis kernel after the removal of sugars.Among them,contents of gallic acid and chlorogenic acid were 18.2mg·g-1 and 246.7mg·g-1 of dry matter,respectively.In vitro antioxidant activity assessment showed that the polyphenols of Carya cathayensis kernel had high antioxidant activity.The scavenging capacities of these polyphenols for DPPH and ·OH free radicals were comparable to those of VC and BHA.
出处
《核农学报》
CAS
CSCD
北大核心
2013年第1期61-67,共7页
Journal of Nuclear Agricultural Sciences
基金
浙江省重大科技专项重点农业项目(2009C12033)
省自然科学基金项目(Y2101447)
省公益性项目(2011C22061)
关键词
山核桃
仁多酚物质
抗氧化分析
水解实验
高效液相色谱
Carya cathayensis
kernel polyphenols
antioxidant analysis
hydrolysis experiment
HPLC
