Sesame is an important oil crop for human beings. Originally introduced to India from Africa, India has now become the largest sesame producer in the world, accounting for one third of the world's cultivated area. Sesame production in China is also very prosperous, accounting for 13.5% of the world's cultivated area. Sesame is mainly divided into white sesame and black sesame. White sesame seeds are used to extract oil. Sesame oil in China is regarded as a treasure in edible oil. Sesame oil contains more unsaturated fatty acids, of which oleic acid (monounsaturated fatty acid) accounts for 45% and linoleic acid (polyunsaturated fatty acid) accounts for 40%. Black sesame seeds are often used as auxiliary materials for making cakes. Black sesame, as a medicine in Chinese medicine, has the effects of nourishing, nourishing blood and moistening intestines, and is suitable for weakness, constipation, dizziness, dizziness and tinnitus.
From the point of view of nutrition, black sesame and white sesame are both nutritious foods. As far as fat is concerned, it can be regarded as rich and high quality. The fat content of black sesame is 46%, and that of white sesame is 40%, both of which are very high. The content of vitamin E is very high, with 50 mg% of black sesame and 38 mg% of white sesame. The ratio of potassium to sodium of black sesame is 43: 1, and that of white sesame is 8: 1. Eating black sesame seeds regularly is beneficial to prevent or relieve hypertension. Sesame is a kind of food with high dietary fiber, the content of black sesame is 28%, and the content of white sesame is 20%, which is obviously an important reason for sesame to moisten intestines and relax bowels. Sesame oil contains sesame oleic acid, so it has a unique flavor. Because of the high content of vitamin E, it has antioxidant effect. Regular consumption can scavenge free radicals and delay aging.