摘要
从还原能力、抗脂质过氧化和对自由基清除能力等方面对紫甘蓝色素的抗氧化能力进行了试验研究和评价,并对花色苷的含量进行了测定。结果表明紫甘蓝色素具有一定的还原能力,对脂质过氧化、DPPH(1,1-二苯基-2-苦肼基)自由基均具有较强的抑制和清除作用,且在试验浓度范围内其最大抑制率和清除率分别为对亚油酸的抑制率为54.39%;对DPPH自由基的清除率为93.2%。表明,紫甘蓝色素作为具有抗氧化功能的天然色素,有广阔的应用前景。
In this paper, the antioxidant activities of purple cabbage pigment were studied and evaluated by determining the reducing capacity, antioxidant activity on lipid- peroxidation,free radical -scavenging activity on DPPH.At the same time,the anthocyanin contents was mensurated.The results showed that they had stronger reducing capacity,antioxidant activity on lipid-peroxidation,and scavenging effects on DPPH radical. In the range of test concentration, the maximum scavenging or inhibition rate to linoleic acid auto-oxidation,DPPH radical was 54.39 %, 93.2 % respectively.The results suggested that the purple cabbage pigment has antioxidant activities with broad application prospects.
出处
《食品研究与开发》
CAS
北大核心
2006年第11期59-62,共4页
Food Research and Development
关键词
紫甘蓝
天然色素
抗氧化能力
purple cabbage
natural pigment
antioxidant activity
