Beany flavours are a kind of volatile gas composed of alcohols,aldehydes and ketones with low molecular weight,which are produced through oxidizing fatty acids by soybean lipoxidase.

• 大豆腥味是由脂肪氧化酶氧化不饱和脂肪酸后生成的一类醇、醛、酮低分子挥发性气体所致，并直接限制了大豆食品的广泛食用。