深秋蟹最美,又至食蟹时。 螃蟹不仅好吃,还含有丰富的维生素,并且有一定的药用价值。但是,有些人食用螃蟹后会发生腹痛腹泻、恶心呕吐等症状,因此,吃蟹时应当注意下列八个不宜。 一、不宜食用死蟹。河蟹死后的僵硬期和自溶期大大缩短,蟹体内的细菌会迅速繁殖并扩散到蟹肉中,使食者呕吐、腹痛、腹泻。新鲜活蟹的背壳呈青黑色,具有光泽,脐部饱满,腹部洁白。而垂死的蟹背壳呈黄色,蟹脚较软,翻正困难。 Crab late autumn the most beautiful, but also when eating crabs. Crab is not only delicious, but also rich in vitamins, and have some medicinal value. However, some people suffer from abdominal pain, diarrhea, nausea, vomiting and other symptoms after eating crab, therefore, should pay attention to the following eight should not eat crab. First, unfit for eating dead crab. After the death of crab stiff and autolysis period is greatly shortened, the bacteria in the crab body will rapidly multiply and spread to the crab meat, so that eaters vomiting, abdominal pain, diarrhea. Fresh live crab back shell was black and green, shiny, umbilical full, white belly. The dying crab back shell is yellow, crab legs softer, turning positive.