... ISO9001,ISO22000&KOSHER and GB10616-2004Propylene glycol alginate (abbreviated as PGA), is derived from alginic acid which is extracted from natural ... In food industry, used as thickener, emulsifier and stabilizer. 2) PGA has good acid-proof property, can be used in conditions ... a stabilizer for yoghurt, flavoring and beer foam.1. PGA in Beerimprove the performance of bubble,increase bubble's adhensive ...