Locust bean gum, also known as locust bean gum, is a plant seed gum processed from the seeds of the locust tree in the Mediterranean. It is white or slightly yellow powder, odorless or slightly odorous. In the food industry, it is mainly used as a thickener, emulsifier and stabilizer. Locust bean gum, alias: locust bean gum, carob bean gum, locust bean gum, red locust bean gum, locust seed endosperm extract, a macromolecular polysaccharide polymerized by galactose and mannose units combined by glycosidic bonds The molar ratio of the two is 1:3.324. Relative molecular mass: 310000~2000000.