海带是一种碱性食品,在油腻过多的食物中掺进点海带,不仅可减少脂肪在体内的积存,经常食用还能增加人体对钙的吸收。海带有淡干和盐干两种。淡干海带是将割取的鲜海带在日光下晾晒两天而成,盐干海带则是将鲜海带按重量的20%～25%加盐腌制7天后晒干而成。选购和食用海带都很有讲究。海带干制后表面自然形成一层白霜,这是正常现象,是其含有的植物碱经风化后成甘露醇聚于表面所致,对人体不但无毒害,还具有利尿消肿的作 Kelp is an alkaline food, oily in the food mixed with point kelp, not only can reduce the accumulation of fat in the body, regular consumption can also increase the body’s absorption of calcium. Seaweed with light dry and salt dry two. Light dry kelp is taken fresh kelp in the sun drying for two days, the dried salt kelp is the fresh kelp by 20% to 25% by weight of salt pickled 7 days and dried. Buy and eat kelp are very particular about. After the surface of dried kelp natural formation of a layer of hoar frost, which is a normal phenomenon, is the plant alkaloids it contains after weathered into mannitol on the surface caused by the human body is not only non-toxic, but also with diuretic swelling for