烹调鱼类有什么讲究?

2025-04-07 09:33:52
推荐回答(1个)
回答(1):

鱼类有很高的营养价值,其中含量最多的成分当属水分,通常占52%一82%,由此决定了鱼类具有肉质鲜嫩、烹调时易成熟的特性。另外鱼类还有一种特殊的呈鲜物质氧化三甲胺,海水鱼中的含量比淡水鱼高。但氧化三甲胺极不稳定,在鱼死后体内将不断地被还原为三甲胺,从而使鱼类带有腥味。随着鱼的新鲜程度的降低,鱼体内的三甲胺成分就会随之增加,腥味则会加大。由此我们了解了鱼类的有关特性后,在烹制鱼类原料时要注意以下禁忌问题。

(1)鱼类加工时的禁忌。基于鱼类的品种不同,加工时有的须去鳞,有的鱼鳞则要保留,所以应对具体的鱼进行具体分析。但加工鱼时去鳃去内脏是必须的,鱼鳃要挖净,掏取内脏时,要注意不要将其苦胆弄破。以鲤鱼为例,鲤鱼苦胆的位置因季节变化而变化,通常天热时靠近肚皮,天冷时靠近背部,加工时切不可将苦胆弄破,不然胆汁外溢污染鱼体,会影响鱼的鲜味。禁止食用鱼苦胆和鱼腹内的黑膜。

(2)鱼类烹调时加入调味料的禁忌。鱼肉本身已滋味鲜美,所以没有必要再加入花椒、大料、豆蔻、味精等调味料,不然会影响鱼类本身的滋味。但因鱼类有腥味,因此我们对鱼肉进行烹调时必先腌制。在腌制时必须加放料酒和食醋,原因是鱼体中的腥味物质三甲胺易溶于酒精,又能和食醋中的醋酸中和,在烹调前再清洗一次腌制好的鱼,以减轻鱼体腥味。然后再进行加热烹调,使之成为美味佳肴。

(3)烹调鱼时忌加热时间过长。因鱼体中含水量较大,烹调合理,则加热过程中水分损失较少,可使烹调后的鱼肉仍能保持肉质细嫩的特点。倘若加热时间过长,可使鱼肉中的水分大量渗出而失去细嫩特点,影响了成菜的质量。

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