如何辨别虾的新鲜程度?

2024年11月30日 01:59
有2个网友回答
网友(1):

  买虾时,要懂得辨别其新鲜程度,越新鲜的虾就越鲜美。  千万不能买死虾
  买虾时,要懂得辨别其新鲜程度,越新鲜的虾就越鲜美,否则便会鲜味尽失且肉质霉烂。新鲜的虾,壳与肌肉之间粘得很紧密,用手剥取虾肉时,需要稍用一些力气才能剥掉虾壳,新鲜虾的虾肠组织与虾肉也粘得较紧,但冷藏虾的肠与肉粘得不太紧密,假如虾肠与虾肉出现松离现象,则表示虾只不新鲜。再之,选购活虾时,如果虾只不时产生气泡的话,也是新鲜的表现。虾壳须硬,色青光亮,眼突,肉结实,味腥的为优。若壳软,色灰浊,眼凹,壳肉分离的为次。凡色黄发暗,头脚脱落,肉松散的为劣。  腮变黑的多半是病虾
  近日有报纸报道,有些不正规的市场上卖几元钱一斤的虾,原来是卖几十元的,为何降价如此之多呢?专家指出,原来是这些虾当中,有部分由于被测出有鱼药残留物,如氯霉素等而卖不了,那些水产商只好削价销售、而水产市场又由于缺乏管理和检测手段,这些受污染的虾,就这样可以在市场上大量卖出,而购买者以为物美价廉,其实已成为受害者(氯霉素对人的造血系统、消化系统具有严重的毒性反应,有可能引发人的再生障碍性贫血;同时还会引起视神经炎、皮疹等不良反应)。
  因此消费者在选购虾时一定要小心注意,一般喂了药的病虾,
虾皮会有一点黑白斑点,同时虾腮变黑。

网友(2):

熟龙虾怎么辨别它的新鲜度?学会看这4个地方,轻松辨别是否新鲜!

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