In the beer contains 18 kinds of amino acids, although with less methionine and L-tryptophan, but the beer with added milk protein may play a complementary role.

• 在啤酒内含有18种氨基酸，虽然含蛋氨酸和色氨酸量少，但啤酒内添加牛奶可以起到蛋白质互补作用。