有些幼儿园在课间为幼儿供应自磨的豆浆,再加几块饼干。因为豆浆的营养价值相当于牛奶,而价格却比牛奶便宜得多,且豆浆所含的蛋白质在某些方面还优于牛奶。但生豆浆中含有可以使人中毒的和难以消化吸收的皂毒素和抗胰蛋白酶等有害成分。这些有害成分,在烧煮至90℃以上时就被逐渐分解破坏,所以煮熟的豆浆可以放 Some kindergartens offer self-grinding soy milk for young children during classes, plus a few cookies. Because the nutritional value of milk equivalent to milk, but the price is much cheaper than milk, and milk protein contains in some aspects better than milk. However, soy milk contains poisoning and digestion and absorption of toxins and trypsin and other harmful ingredients. These harmful ingredients, when cooked to above 90 ℃ is gradually broken down, so cooked soy milk can be put