Gu Wang Vegetarian Mushroom Oyster Sauce is made from the extract of top-grade Shiitake mushrooms in Taiwan blended with high quality soya sauce and contains no artificial colors or preservatives, With the mellow fragrance and smooth texture, this product is best for homemade cuisines such as fried noodles with mushrooms, rice with mushrooms, Konnyaku with mushrooms. It adds umami flavor to all stir-fry dishes. It is the favorite sauce for Asian vegetarians.