What Is Free Fatty Acid In Soap

Lauric acid c 12 h 24 o 2.

What is free fatty acid in soap. The fatty acids we are concerned with for soap making are. From the amount of base required for neutralization and the mass of the sample used in the titration the apparent average molecular weight can be determined. This aqueous mixture is commonly known as soap stock. Lauric myristic palmitic stearic ricinoleic oleic linoleic and linolenic acids.

3 and myristic acid. The determined amount of free fatty acids in the soaps was ranging between 1 24 and 5 09. Then the average molecular weight of the ideal soap fatty acid is calculated. We will discuss one fatty acid per post.

Free fatty acids are those acids that are not present as triglycerides fats in the biodiesel. It can be subjected to further processing to convert the soaps and esters therein into free fatty acids for recovery. Linolenic is an unsaturated fatty acid that contributes to the conditioning moisturizing levels and is typically very low in soap formulas. This method can be applied to the analysis of the composition of free fatty acids in different soap.

If you took the time to add all this up you would only. To understand the answer you must consider what an unfree fatty acid would be. Linolenic is not the same thing as linoleic again it s found in high percentages in luxury oils such as pomegranate seed oil but it s also found in flax kukui and hemp oils. Each oil or fat has a particular mixture of fatty acids.

One thing you may notice when reading my soap oil profile pages is that the percentage of fatty acids don t always add up to 100. Some of the free fatty acids glycerides and impurities ordinarily will be emulsified in the resulting aqueous mixture by the soaps and the phosphatide type components. 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. The particular fatty acids in soap determine the qualities of the soap such as cleansing lather hardness conditioning.

The major fatty acids in soapmaking oils are. The models for tallow fatty acids and coco fatty acids respectively.