论文部分内容阅读
选购年货(食品)时,如何用一些简单有效的方法来鉴别真伪好坏呢?肉类新鲜的猪肉外观丰满,肌肉有光泽,红色均匀,脂肪洁白;外表微干或湿润、不粘手,指压后的凹陷立即恢复。变质肉的脂肪无光泽,偏灰黄甚至变绿,肌肉暗红,无弹性。鲜鱼新鲜的鱼眼球突出,角膜别透;鱼鳃肉鲜不脱落;鱼体有弹性,入水能沉底。腐鱼则眼球不突出,鳃肉呈褐色或苍白色;腹部鼓胀,肛门突出;鱼鳞无光泽脱落,骨肉分家:入水会上浮。
How to use some simple and effective ways to identify the authenticity of good or bad when buying New Year (food)? Meat Fresh pork looks plump, glossy muscle, red uniform, white fat; appearance of dry or moist, not sticky hands , After the pressure depression immediately restored. Metamorphic fat fat matte, grayish yellow or even turn green, muscle dark red, inelastic. Fish fresh fish eye prominent, do not penetrate the cornea; fish gills meat does not fall off; fish flexible, water can sink to the bottom. Rotten fish is not prominent eye, gill meat was brown or pale; abdominal bulge, anus prominent; fish scale dull off, flesh and blood separation: into the water will float.