In the young cheese, all nitrogen is present in the form of insoluble protein. 在未成熟的干酪中，全部氮都以不溶性蛋白质状态存在。
One cup of either of these has almost as much calcium as a cup of milk, but has much less animal protein. 一杯容量的豆腐或豆浆中所含的钙质差不多和一杯牛奶的含钙量相当，但其中的动物性蛋白质却少得多。
