What Is Free Fatty Acid In Oil

Free fatty acids in palm oil.

What is free fatty acid in oil. Free fatty acid value is used to moni tor the quality of frying oil. This value is used to determine the amount of base catalyst to neutralize the acidity of a gram of raw material luque and melero 2012. The refined oil samples were analyzed for different quality attributes like free fatty acids peroxide value acid value. The decreasing of colour read at 630 nm is proportional to the acid concentration of the sample as of palmitic or lauric acid.

Titre c mp melting point usm maximum. Free fatty acids contents in frying oil increase with the number of fryings chung and others 2004 as shown in figure 2. Composition of the kit and reagents reagent test kit 300120 suitable for 100 tests contain. Free fatty acids of the sample at ph 7 0 react with a chromogenous compound and decrease its color.

The acid value is defined as the amount of free fatty acid present in the oil requiring a computed mass of potassium hydroxide to neutralize it. In biochemistry ffa free fatty acid is also referred to as nefa non esterified fatty acid because in living things there is more f a. Name of the oil. The decreasing of color read at 630 nm is proportional to the acid concentration of the sample expressed as of oleic acid.

Thermal hydrolysis takes place mainly within the oil phase rather than water oil interface lascaray 1949. To understand the answer you must consider what an unfree fatty acid would be. Free fatty acids of the sample at ph 7 0 react with a chromogenous compound and decrease its colour.