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Polyglycerol Ester

Polyglycerol Ester. A class of esters (q.v.) that are made up of two or more polymerized glycerol units (q.v.) esterified (q.v.) with one or more fatty acids (q.v.). They are surfactants (q.v.) that effectively modify the physical and chemical properties of proteins (q.v.), starches (q.v.) and fats (q.v.) in bread (q.v.) and cake (q.v.) baking. They also perform well in icings (q.v.) and fillings (q.v.).