论文部分内容阅读
菠菜是一种营养丰富的叶绿蔬菜。中老年人经常食用菠菜有利于保护视力,使眼睛更加明亮。 美国哈佛大学的医学专家们发现,每周食2～4次菠菜的中老年人,可减少患视网膜退化的危险。研究者分析认为,菠菜所以能保护视力的关键,主要是来自一组称为“类胡萝卜素”的物质。它可以有效
Spinach is a nutrient-rich leafy green vegetable. Regular consumption of spinach in the elderly helps protect eyesight and brighten your eyes. Medical experts at Harvard University in the United States found that middle-aged and elderly people who eat spinach 2-4 times a week can reduce the risk of retinal degeneration. Researchers analyzed that the key to spinach to protect eyesight is mainly from a group of substances called “carotenoids.” It can be effective