怎样选购牛肉牛肉是常用肉类之一,它含有丰富的蛋白质、氨基酸,其构成比猪肉更接近人体需要,有补中益气、滋养脾胃、强健筋骨、化痰息风的功能,能提高机体抗病能力。选购重点如下:1.观色泽。新鲜肉呈均匀的红色,有光泽,脂肪洁白色或呈乳黄色;次鲜肉色泽稍暗,切面尚有光泽,但脂肪无光泽;变质肉色泽呈暗 How to buy beef Beef is one of the commonly used meat, it is rich in protein, amino acids, its composition is more close to the human body than pork needs, have Bu Zhong Yi Qi, nourishing the spleen and stomach, strong bones, phlegm and wind function can improve Body disease resistance. Key points to buy as follows: 1 view color. Fresh meat was uniform red, shiny, fat white or creamy yellow; less fresh meat color slightly darker, the section is still shiny, but the fat dull; deterioration of meat color was dark