论文部分内容阅读
Soybean is a main agriculture product in China and has been used to provide oil and protein (tofu) since ancient times.Soybean oil and protein content account for nearly 60％ of dry soybeans by weight (protein at 40％ and oil at 20％).The remainder consists of 35％ carbohydrate and about 5％ ash.Soybean protein has been available since 1936 for its functional properties.Soy protein is isolated from soybean and it is produced from soybean meal that has been dehulled and defatted.