2. Xiao Mo sesame oil is a local traditional famous product. In Anhui, Hebei, Shandong, Henan and other places, the "small millstone" and ancestral techniques are used for brewing, and the pure manual production process of "scouring, frying, grinding and scalding" is emphasized, and the scientific name is "water changing method". Sesame oil was ground with a stone mill and extracted by water substitution (/kloc-below 0/00℃). This is a purely physical method of oil production. Compared with modern oil-making processes such as squeezing method and solvent method, it has the advantages of low operating temperature and less loss of nutrients and aromatic substances. The product is amber, rich in fragrance and long in taste, which is deeply loved by people.