both are the same thing. It's just that kelp is from heel to heel, and its thickness is uneven; Kelp horn is relatively uniform, the thickness is similar, and cooking is more convenient. The sea head is a flat cylindrical stalk, which tastes the same, but it is thicker than the thin place. The taste is slightly different. The difference between roots and leaves varies from person to person. Some people like to eat roots, while others like to eat the sea. So it's better not to distinguish between them.

efficacy and function of kelp

1. prevention and treatment of goiter: kelp contains iodine and iodide, which can prevent and treat iodine-deficient goiter;

2. Lowering blood pressure: laminin, potassium salt and calcium can reduce the absorption of cholesterol and lower blood pressure;

3. Lowering blood fat: Kelp contains a lot of unsaturated fatty acids and dietary fiber, which can remove cholesterol attached to the blood vessel wall, regulate the intestines and stomach, and promote cholesterol excretion;

4. Tumor inhibition: Hot water extract has obvious cytotoxic effect on human KB cancer cells in vitro, and has obvious inhibitory effect on S18 tumor, and kelp is also rich in anti-cancer star-selenium, which has anti-cancer effect;

5, improve immunity: kelp can improve the body's humoral immunity, promote the body's cellular immunity, and there are many foods that regulate immunity, among which Lentinus edodes is one;

6. Lowering blood sugar: Kelp contains 6% fucoidan, which is an excellent dietary fiber. After being eaten by diabetic patients, it can delay the time of gastric emptying and food passing through the small intestine, so that even if the insulin secretion is reduced, the blood sugar content will not rise, thus achieving the purpose of treating diabetes;