Kombu beneficial to health. They contain components such as iron, iodine, calcium, vegetable fibers, vitamins C and A. These algae reduced pressure, prevent vascular occlusion. They are low in calories, so they are considered a dietary product. Kombu is a dried kelp. On the surface there is a raid, so it is not necessary to wash the seaweed, as they lose their characteristic flavor. Before preparing them soaked in water. If you want to cook a traditional Japanese soup you definitely need to buy kombu. These algae give the dish a subtle aroma. Dishes cooked with the addition of algae, acquire a special taste.