摘要
以蛋氨酸和硫酸铜为原料合成蛋氨酸铜,最佳条件为配体摩尔比2∶1,每50mL的6%蛋氨酸溶液中加入3.25mL的30% NaOH,产品螯合率为90.32%。从产物组成及红外光谱分析可知,其化学组成为Cu(Met)2。油脂氧化试验表明,合成的蛋氨酸铜有很好的油脂抗氧化作用,可以用于脂肪含量较高的婴幼儿配方奶粉。
Methionine chelated copper was synthesized from CuSO4 and methionine. The optimum conditions were as follows： molar ratio of ligand to metal of 2 ：1, 3.25 mL 30 % NaOH per 50 mL 6% methionine solution. The chelation ratio of product is 90.32%. Methionine chelated copper was identified as Cu（Met）2 by component analysis and IR spectroscopic analysis. Antioxidation experiment showed that methionine chelated copper exhibits good antioxidation effect on lipids and is suitable for fortification of infant milk formulation.
出处
《食品与机械》
CSCD
北大核心
2009年第5期59-62,共4页
Food and Machinery
基金
江苏省科技支撑计划资助课题项目(编号:BE2008326)
关键词
蛋氨酸铜
蛋氨酸
油脂
抗氧化
Methionine chelated copper
Methionine
Lipid
Antioxidation
作者简介
张晓鸣（1965-），男，江南大学教授，工学博士。E-mail：xmzhang@jiangnan．edu．cn
