花粉是植物的雄性生殖细胞,它们是由五颜六色的、极其细小的颗粒组成,大者直径1/10毫米,小者仅1/100毫米.花粉虽小,所含人体需要的重要营养成分却十分丰富:蛋白质25%左右,氨基酸十几种,总含量约为牛肉、鸡蛋、干酪的5～7倍;糖类占30%以上,其中有一种特殊的糖苷,叫作芸香苷,对毛细血管有良好的保护作用,可防止脑溢血、视网膜出血和心脏 Pollen is the plant’s male germ cells, which are composed of colorful, extremely fine particles, the largest diameter of 1/10 mm, the smaller ones only 1/100 mm. Pollen is small, containing the body needs important nutrients are very Rich: about 25% protein, a dozen amino acids, the total content of about 5 to 7 times the beef, eggs, cheese; sugar accounted for more than 30%, of which there is a special glycosides, called rutin, capillary Good protection, prevent stroke, retinal hemorrhage and heart