Arabinogalactan is a neutral polysaccharide composed of arabinose and galactose. This sugar is abundant in the xylem of conifers, especially in larch (Larix), which can reach 25%. It is used as a thickener, stabilizer, emulsifier, compatibilizer, polishing agent, and bonding agent, and is used to emulsify essence, seasoning base, sauce, pudding and other food additives, replacing gum arabic. It can also be applied to medicine.