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Saponification can be defined as a “hydration reaction where free hydroxide breaks the ester bonds between the fatty acids and glycerol of a triglyceride, The saponification value of the fat or oil is defined as the number of milligrams of potassium hydroxide that react with 1 gram of the oil or fat. The oil of Soap can be made from the base hydrolysis of a fat or an oil. This hydrolysis is called saponification, and the reaction has been known for centuries. Saponification, or alkaline hydrolysis, is a process used to break fatty esters that Saponification value (SV) is the milligrams of potassium hydroxide Turning a triglyceride into a soap is called a saponification reaction. paration%20and%20properties%20of%20a%20soap1.pdf, last accessed 20-9-2012. In this experiment, you will make soap as your great-grandmother may have, and examine some of its properties. Saponification of triglycerides. Triglycerides In this experiment, coconut oil is saponified. You can also use other oils, such as castor oil, rapeseed oil or olive oil, but note that the saponification