维生素E(VE)是人类所必需的营养素之一。在医学上,它与生育、老化、冠心病等有着密切关系,因而受到人们的关注。1980年美国提出成人每天膳食应供给VE10ms,并且需要随着膳食中多不饱和脂肪酸增加而增加,VE广泛地分布于自然界,至少有8种具有生物活性,4种母生育酚(α、β、γ、δ),4种三烯醇(α、β、γ、δ)。测定食物中VE的 Vitamin E (VE) is one of the essential nutrients for mankind. In medicine, it has a close relationship with fertility, aging, coronary heart disease, etc., and therefore has drawn people’s attention. In 1980, the United States proposed that adult diet should be given VE10ms per day, and needs to increase with the increase of dietary polyunsaturated fatty acids. VE is widely distributed in nature and at least 8 bioactive, 4 kinds of tocopherols (α, β, γ, δ), four kinds of trienol (α, β, γ, δ). Determination of food VE