最近一段时间,有关牛奶正常颜色是白还是黄的问题引起了不少人的争论,甚至有人认为牛奶特别白是由于奶牛打过抗生素的原因。其实,牛奶的颜色和很多因素有关,不能一概而论。近来,一些细心的消费者发现,很多进口牛奶的颜色泛黄,类似豆浆,而国内一些牛奶的颜色则偏白。他们担心,过白的牛奶是不是有质量问题?中国农业大学食品科学与营养工程学院副 Recently, the issue of whether the normal color of milk is white or yellow has caused controversy among many people. Some even think that the reason why milk is particularly white is due to antibiotics being used by dairy cows. In fact, the color of milk and many factors, can not be generalized. Recently, some attentive consumers have found that many imported milk are yellowish in color, similar to soy milk, while the color of some domestic milk is white. They are worried that the white milk is not a quality problem? China Agricultural University, Institute of Food Science and Nutrition Engineering