果品加工工艺对维生素的影响一、维生素与人的健康１．维生素的功能：维生素是维持人体生命活动所必需的一类微量低分子有机物。日需要量甚微。通常以毫克甚至微克计算。这类物质人体不能合成或合成量不足需要，必须从食物中摄取。绿色植物特别是水果蔬菜，是维生素的基本... Fruit processing technology on the impact of vitamins First, vitamins and human health 1. The function of vitamins: vitamins are a kind of trace low molecular organic matter necessary to maintain human life activities. The daily needs are minimal. Usually mg or even micrograms. Such substances can not be synthesized or synthetic human body needs less than necessary, must be taken from food. Green plants, especially fruits and vegetables, is the basic vitamins ...