Saponification of Monoacylglycerol: Analyzing the Reaction with Potassium Hydroxide

DESCRIPTION

This study explores the saponification process of monoacylglycerol using potassium hydroxide. The reaction involves the formation of soap from fats by hydrolysis, producing glycerol and fatty acid salts. The resultant products include glycerol and a pungent compound, acrolein, which can be identified by its rancid odor. The experiment includes specific steps using potassium sulfate and glycerol to facilitate the reaction, emphasizing the chemistry behind triglycerides and the formation of fatty acid soaps.

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May 09, 2026

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Saponification of Monoacylglycerol: Analyzing the Reaction with Potassium Hydroxide

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O R C O C H H - 2 + + OH K OH H C CH2OH Monoacylglycerol Potassium Salt of FA
SAPONIFICATION
O OCR O OCR O OCR - + - K OH CH2 - + + - K OH CH - + - K OH CH2 POTASSIUM HYDROXIDE TRIGLYCERIDE GLYCEROL FATTY ACID SOAPS
ACROLEIN TEST
PUNGENT/ RANCID ODOR 0.5 g KHSO4 10 drops of Glycerol
CHEMICAL REACTION
H O H C C H Glycerol OH H H C C OH H H
H O C C Acrolein H H C C H H