... ., Japan, China, Korea, Taiwan, Thailand, and Vietnam, but also in Indonesia, Belize, Peru, the Canadian Maritimes, Scandinavia, Ireland, Wales, Philippines, ... from seaweed, which has health benefits. It is rich in calcium and magnesium and seaweed noodles can be cooked ... In Asia, Zicai (in China), gim (in Korea) and nori (in Japan) are sheets of dried Porphyra used in soups or to wrap sushi. indonesia ...