摘要
分别采用普鲁士兰法测定还原力、硫氰酸铁法测定亚油酸氧化抑制能力、比色法测定1,1-二苯基-2-苦基肼[DPPH·]自由基清除能力、化学发光法测定超氧阴离子自由基[O2-.]清除能力,对仙人掌不同溶剂提取物的抗氧化性进行体外试验评价。结果表明仙人掌皮粉甲醇提取物还原力最大,[DPPH·]自由基和[O2-·]清除能力最高,其中仙人掌皮粉甲醇提取物在[DPPH·]自由基的半抑制率IC50为1.865mg/mL,在亚油酸氧化抑制能力中30mg/mL仙人掌水提物最强。
The OMP extracts by different extracting solvents showed antioxidant activities in vitro were tested. Reducing power test, deoxidization Fe^3＋ , anti - lipid peroxidation of linoleic acid and lecithin liposome, 1, 1 - diphenyl - 2 -picrylhydrazyl （DPPH） radical and superoxide radical scavenging assays, with butylated hydroxyanisole （BHA） and ascorbic acid as positive controls. The results suggested that methanol OMP powder had strongest scavenging activi- ties and deoxidization Fe3^＋ ; 30mg/mL OMP water extracts had strongest anti - lipid peroxidation of linoleic acid activities.
出处
《中国食品添加剂》
CAS
北大核心
2012年第3期112-115,共4页
China Food Additives
关键词
“米邦塔”仙人掌
抗氧化
1
1-二苯基-2-苦基肼
超氧阴离子自由基
opuntia milpa alta
antioxidant activities
1, 1 - diphenyl - 2 - picrylhydrazyl radical
superoxide radical scavenging assays
