海带中褐藻酸钠盐有预防白血病和骨痛病的作用；对动脉出血亦有止血作用。褐藻酸钠具有降压作用。海带淀粉具有降低血脂的作用。近年来还发现海带的一种提取物具有抗癌作用。海带甘露醇对治疗急性肾功能衰退、脑水肿、乙性脑炎、急性青光眼都有效。用它来炖、炒、凉拌，都柔软可口。
Sodium alginate in kelp has the effect of preventing leukemia and bone pain; it also has hemostatic effect on arterial bleeding. Sodium alginate has antihypertensive effect. Kelp starch has the effect of lowering blood fat. In recent years, it has also been found that an extract of kelp has anticancer effects. Kelp mannitol is effective in treating acute renal failure, cerebral edema, Japanese encephalitis, and acute glaucoma. Use it to stew, stir-fry, and cold salad, all soft and delicious.
