黄豆, also known as soybeans, is a type of legume native to East Asia. It is widely cultivated for its edible seeds, which are rich in protein, fiber, and various vitamins and minerals. 黄豆 is a key ingredient in many traditional dishes and is often processed into products like tofu, soy milk, and tempeh. In addition to its culinary uses, 黄豆 plays a significant role in agriculture as a crop that improves soil health through nitrogen fixation. It is also used in animal feed and as a source of oil. The versatility and nutritional benefits of 黄豆 make it an important food source worldwide.