天气预报 > 其他 > 怎样判断冻虾是否新鲜
怎样判断冻虾是否新鲜
更新时间: 2020-10-05 00:00:00  

1、看外形:新鲜的虾头尾完整,头尾与身体紧密相连,虾身较挺,有一定的弯曲度,不新鲜的虾,头与体,壳与肉相连较松,头尾易脱落或分离,不能保持其原有的弯曲度;

2、看色泽:新鲜虾皮壳发亮,河虾呈青绿色,对虾呈青白色或蛋黄色,不新鲜的虾,皮壳发暗,虾原色变为红色或灰紫色;

3、看肉质:新鲜的虾,肉质坚实、细嫩,手触摸时感觉硬,有弹性,不新鲜的虾,肉质松软,弹性差;

4、闻气味:新鲜虾气味正常,无异味,若有异味则为变质虾;

5、摸外壳:鲜虾壳较硬,色泽光亮,眼突,肉结实,味腥很重,如果壳软,色灰浊,眼凹,壳肉稍有分离就说明虾不新鲜。

关键词: 怎样 判断 冻虾 是否 新鲜

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