Sesame is one of the oldest cultivated crops and the earliest oil crops utilized by human beings. Charred sesame seeds have been found in the ancient site of Pakistan, where the civilization of the Indus Basin was splendid about 5,000 years ago. Sesame seeds are commonly used in Hindu religious ceremonies. In ancient Babylonia and Assyria (now Iraq and Syria), sesame was an oil crop of great interest. It has been used extensively in medicine and in cooking and preparing wine or brandy. According to historians: Sesame seeds were brought to India from the Sunda Islands thousands of years ago. From India to Egypt, China, Japan, Africa, South America, Central America and Mexico. With the improvement of people's living standards and the gradual understanding of its nutritional value, sesame and its products are more and more popular, the planting range and area are gradually expanding, and the varieties of sesame are becoming more and more optimized. The main producing countries of sesame are China, India, Myanmar, Sudan, followed by Nigeria, Egypt, Turkey, Ethiopia, Vietnam, Thailand, Tanzania, Uganda, Guatemala, Honduras, Mexico and other countries; China's sesame production ranks first in the world, with an area of only It is second only to India, and its yield per unit is higher than that of India. my country's sesame planting area accounts for 15% of the world's planting area and 23% of the world's total output. It is also the world's largest sesame exporter, accounting for 1/3 of the international market transaction volume. The main sesame producing areas in my country are Henan, Hunan, Hubei, Anhui, Northeast, Shandong and other regions. Black sesame seeds, dried and mature seeds of sesame seeds. In autumn, when the fruits are ripe, the plants are harvested, dried in the sun, the seeds are laid, impurities are removed, and then dried in the sun. 【Properties】This product is shaped like black sesame seeds, slightly bulging, and some can be seen with cracks and oily aroma. 【Nature and flavor and classics return】Sweet, flat. Returns liver, kidney, large intestine meridian. 【Functions and Indications】 Nourishes the liver and kidney, nourishes the essence and blood, moistens the intestines and dryness. For deficiency of essence and blood, dizziness, dizziness, tinnitus and deafness, premature graying of beard and hair, hair loss after illness, intestinal dryness and constipation. Classification of sesame ①Classify according to the color of sesame a. White sesame: mainly used for food such as cakes; b. Yellow and white sesame: mainly used for oil extraction and sesame paste c. Black sesame: mainly used for cakes and medicinal purposes