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AACC International Approved Methods -AACC Method 58-45.01. Monoglycerides and Free Glycerol

AACC International Approved Methods

Special Properties of Fats, Oils, and Shortenings

AACCI Method 58-45.01
Monoglycerides and Free Glycerol

VIEW METHOD

Objective
This method determines alpha-monoglycerides from periodic acid (HIO4) consumed in oxidation of adjacent hydroxyl groups. beta-Monoglycerides are not oxidized by periodic acid because hydroxyl groups are not adjacent. This method is applicable to fats, oils, monoglycerides, and blends. It is not applicable when sample contains, in addition to monoglycerides, chloroform-soluble polyhydric substances with two or more adjacent hydroxyl groups. This method is equivalent to Official Methods Ca 11-57 and Cd 14-56 of the American Oil Chemists' Society (AOCS).