... Propylence glycol alginate food additive as thickener, emulsion, stabilizer, gelling property in milk, beer and other products Propylence glycol alginate(abbreviated as ... flaxen powder.Aqueous solution is viscous colloid.Compared with alginate,it has better resistance against acid and salts. ... . Main applications 1, In food insustry,used as thickener,emulsifier and stabilizer.2, PGA has good acid-proof ...