Spice is the general name of spice (sometimes called perfume raw material) and essence. In a narrow sense, it does not include essence. Spice is a substance that can be sniffed out or tasted by the sense of smell. It may be "monomer" or "mixture". According to the preparation method or raw materials, spices can be divided into "natural spices" and "synthetic spices".
Spices have a long history, dating back to 5000 years ago. In the Shennong era of the Yellow Emperor, bark and grass roots were collected as medical supplies to ward off epidemics and avoid filth. At that time, human beings attached great importance to the volatile aroma of plants, and they became interested in it only after adding the aroma of natural flowers.
Therefore, in ancient times, these aromatic substances were used to pray for blessings and purify the body and mind, as well as for sacrifices and funerals. Later, it was gradually used for diet, decoration and beauty. China began to use spices before Xia, Shang and Zhou Dynasties.
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Mainly used for blending essence, also called blending perfume. Plant spices are usually used to add stew and so on. , can make food rich in flavor.
Flavors and fragrances are widely used in environmental hygiene products, such as soap, detergent, various cosmetics (cold cream, vanishing cream, hair cream, hair wax, shampoo, toilet water and perfume, etc. ), skin care and beauty products, toothpaste, air cleaning bactericide, candy, biscuits, beverages, cigarettes, wine, soybean milk, dairy products, vegetable protein foods, medicines, paper, plastics, leather, etc.