Some ferulates as phenolic substances have been confirmed to occur in the soapstock of rice bran oil. These ferulic acid esters are resemble to that of rice germ oil.
The unsaponifiable fractions from these ferulates were confirmed to consist mainly of two tri-terpenoid alcohols (cycloartenol C30H50O and 24-methylene-cycloartanol C31H52O) and sterol C28H48O.