U. intestinalis is one of the main components of Japanese “green Nori”. In its dried form it is added to many Japanese soups, and it is often crushed into a powder to be used on a variety of foods. In the coastal areas of Shandong (China), people collect U. intestinalis extensively, using it in bread by mixing with cornmeal; stuffi ng it and meat, after Chao frying, into bread rolls; and making it into a vegetable soup. In the Philippines the species is eaten raw as a salad, as well as in Malaysia, Thailand, Indonesia, and Canada. In Azores (Atlantic Is, Portugal), this species is used in cooking especially for the preparation of “tortas”; and in Korean cuisine is used in various seasonings with sesame oil, and sometimes vinegar; is also eaten in Hawaii.