What is high FFA oils?

"Free fatty acids (FFAs) are fatty acids that are produced from T Gs by hydrolysis reactions in any of the steps of the process.Free fatty acids (FFA) are produced by the hydrolysis of oils and fats. Since FFA are less stable than neutral oil,. they are more prone to oxidation and to turning rancid. Thus, FFA is a key feature linked with the quality and commercial value of oils and fats.

"If the FFA is high then its called high FFA oil