[Gelatin supply and sales] There are three ways to prepare gelatin

gelatin is white or light yellowish brown , translucent, slightly shiny chips or powder, almost odorless and tasteless, soluble in hot water, insoluble in cold water, but can slowly absorb water, expand and soften, and gelatin can absorb 5-10 times the weight of water. there are three ways to prepare gelatin: 　1. alkali method: after…