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Study on Antioxidant Mechanism of Carnosine,Alanine and Histidine
Author(s): 
Pages: 33-35
Year: Issue:  4
Journal: Amino Acids and Biotic Resources

Keyword:  肌肽丙氨酸组氨酸抗氧化;
Abstract: 肌肽是一种发现于脊椎动物骨骼肌和大脑中的二肽(β-丙氨酰-L-组氨酸).为了探讨肌肤的抗氧化性与其结构之间的关系,试验研究了肌肽、丙氨酸和组氨酸对DPPH自由基的清除作用和对牛血清白蛋白(BSA)氧化修饰的抑制作用.结果表明肌肽对DPPH自由基有显著的清除效果(P<0.01),组氨酸清除率低于肌肤,而丙氨酸基本无清除自由基的能力;肌肤显著降低蛋白质羰基的形成(P<0.01),同浓度下丙氨酸对BSA...
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