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素食,应该是因人因时而异的,不可一律。着眼于“营养均衡”这一点来说,完全素食或者长期素食都不可取。生命离不开五大营养素:蛋白质、碳水化合物、脂肪、维生素,微量元素。营养专家就这些营养素谈到了几个重要观点:一是,维持生命的各种食物当中,任何一种食物都不可能同时拥有这五大营养素,或者说,都不可能均衡地拥有满足人的生命与健康需要的各种营养素,因此,仅靠素食,在营养需要上就局限了。二是,均衡的营养,来自于各种食物,但并不是各种食品都要等量的需要,按照特殊的需要也应给予特别的营养补充。
Vegetarian, should be due to different people, not uniform. Focusing on “nutritionally balanced”, complete vegetarian or long-term vegetarian is not desirable. Life is inseparable from the five nutrients: protein, carbohydrates, fat, vitamins, trace elements. Nutrition experts talked about these nutrients several important points: First, any kind of food to sustain life can not have these five nutrients at the same time, or that it is impossible to have a balanced and have to meet people’s lives and All kinds of nutrients needed for health, therefore, rely on vegetarian only, the nutritional needs are limited. Second, balanced nutrition comes from all kinds of food, but not all kinds of food need the same amount, according to the special needs should also be given special nutritional supplements.