what is pgpr
Polyglycerol polyricinoleate (PGPR), E 476, is an emulsifier made in a three-step process from glycerol and fatty acids (usually castor bean derived).GPR is a yellowish, viscous liquid composed of poly glycerol esters of polycondensed fatty acids from castor oil. It may also be polyglycerol esters of dimerized fatty acids of soybean oil.