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凉拌莲藕怎么不会变黑

更新时间: 2020-08-19 00:00:00     

凉拌莲藕不会变黑的方法:

1、在100摄氏度的沸水中烫70秒就可以让所有的多酚氧化酶失去作用,终止了多酚向醌的转变过程,使莲藕不会变黑;

2、在制作凉拌藕片时,在烫制过的藕片中加入醋,可以避免多酚氧化酶的催化作用,使莲藕保持洁白的色泽。

关键词: 凉拌 莲藕 怎么

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