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维生素A(和可转化为维生素A的β—胡萝卜素) 存在于深绿色叶菜类及黄色蔬菜中,可以使眼睛适应昏暗光线,保护皮肤组织。摄入较多的维生素A虽不能医治弱视,但摄入不足会使中老年人视力受到损害。 叶酸 属于B族维生素,有助于机体产生红细胞,摄入不足会产生贫血症。富含叶酸的食物有:叶菜类、绿色蔬菜、某些水果、豆类、肝脏、强化谷物制品、小麦胚芽和强化麦片。 维生系B_(12) 也叫钴胺素,与叶酸一起产生红细胞。摄入不足同样会产生贫血症,某些老年人还会引起神经方面的问题。肉、鱼、蛋、乳制品都含有丰富的维生素B_(12)。中老年人应多吃维生素B_(12)强化的食品及补充剂。
Vitamin A (and beta-carotene, which can be converted to vitamin A) is found in dark green leafy vegetables and yellow vegetables to help the eyes adapt to dim light and protect their skin. Although more intake of vitamin A can not cure amblyopia, but inadequate intake of vision in the elderly will be harmed. Folic acid is a B vitamins, help the body produce red blood cells, inadequate intake will produce anemia. Folic acid-rich foods are: leafy vegetables, green vegetables, some fruits, beans, liver, fortified cereal products, wheat germ and fortified cereal. Department of Health B_ (12), also known as cobalamin, together with folic acid produce red blood cells. Inadequate intake also produces anemia, and some older adults can cause neurological problems. Meat, fish, eggs, dairy products are rich in vitamin B_ (12). The elderly should eat more vitamin B_ (12) fortified foods and supplements.