腊肉酶解物抗氧化性研究Study on Antioxidant Activity of Bacon Hydrolysate
刘芝君,胡予,杜晓庆,黄业传,王艳蓉
摘要(Abstract):
为研究腊肉酶解液的抗氧化性,将四川腊肉用动物蛋白复合水解酶进行水解,并在单因素试验的基础上通过响应面设计优化酶解条件。结果表明:最优酶解条件为53.3℃,6h,0.25%(酶量),1∶3(料液比),在此条件下腊肉样品水解度达7.35%。取上述酶解液进行梯度稀释,并通过测定其对羟基自由基(·OH)与DPPH自由基的清除能力对其抗氧化能力进行评价。当腊肉酶解液浓度为10%时,DPPH自由基清除率达到79.79%,其IC50为6.19%;当腊肉酶解液浓度为5%时,羟基自由基(·OH)清除率达到70.61%,其IC_(50)为3.26%。
关键词(KeyWords): 腊肉;水解度;羟基自由基(·OH);DPPH;抗氧化
基金项目(Foundation): 肉类加工四川省重点实验室开放基金(15-R17);; 西南科技大学大学生创新基金项目(CX15-041)
作者(Author): 刘芝君,胡予,杜晓庆,黄业传,王艳蓉
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