Neotame, the chemical name is :N-[N-(3,3, 3, 12 methyl butyl)- l-alpha -L- phenylalanine -1- methyl ester, is white crystalline powder, contains about 4.5% crystalline water, is a functional sweetener. It has a pure sweetness, a sweet concord, very close to aspartame, and no other powerful sweeteners often bring bitter and metallic taste. The sweetness is 7,000 to 13,000 times sweeter than sugar and 30 to 60 times sweeter than aspartame. The energy value is almost zero. It can be kept stable under the conditions of instantaneous high temperature. In the cake production, after 450, 0C baking, 85% of the new sweet is still in existence.