Sugar alcohol is a polyhydroxy compound, the initial product of photosynthesis, and a substance naturally extracted from plant phloem, mainly including mannitol, sorbitol, euonymol and so on. Before the sugar alcohol compound technology was applied to the field of foliar fertilizer, it was widely used in medicine, health, food, cosmetics and other industries as a synthetic raw material for sweeteners, "glycerin substitute", vitamins and amino acids because of its own nutritional and health-care functions, as well as the characteristics of moisturizing, fresh-keeping, color protection and fragrance retention.
The main components of sugar alcohol chelating liquid fertilizer products are sugar alcohol substances, mainly the mixture of mannitol, sorbitol, xylitol, glycerol and nutrients needed by crops in a specific proportion. Sugar alcohol is a polyhydroxy compound, which is the initial product of photosynthesis and belongs to functional sugar alcohol. Because of its nutrition and health care function and good metal complexing ability, it is widely used in medicine and food industry.