摘要
采用硅胶柱层析分离,通过化学和波谱分析方法鉴定化合物的结构。选择亚油酸过氧化体系、邻菲罗啉化学发光体系、邻苯三酚体系,对化合物进行了抗氧化活性实验。结果表明:单体是一种首次发现的甾醇类化合物,该化合物结构是:24-乙基-胆甾烷-3-氧-β-D-葡萄糖苷,具有较强的抗亚油酸氧化能力,但清除羟基自由基和超氧阴离子自由基能力弱。
The compound A was isolated through silica gel column chromatography, its structure was elucidated through physiochemical and spectral analysis, and its activity of monomer was studied by lipid peroxidation of linoleic acid, chemical irritant light reaction. The results showed that the monomer is a new phytosterol, its structure is characterized as 24-ethyl- cholestane-3-o-β-D-glucopyranoside with strong ability of inhibiting linoleic acid peroxidation, and its capacities of scavenging O2 · and · OH are weak.
出处
《食品科学》
EI
CAS
CSCD
北大核心
2007年第7期73-76,共4页
Food Science
关键词
亚麻籽
甾醇
鉴定
抗氧化
flaxseed
phytosterol
identification
antioxidation
