1. American Association of Cereal Chemists (AACC). (2000). Approved method of the AACC (10th ed., p. 46-23). St. Paul, MN: AACC.
2. Structural analysis of new antihypertensive peptides derived from cheese whey protein by protienase K digestion;Abubakar;Journal of Dairy Science,1998
3. Enzymatic hydrolysis of soy protein isolate and effect of succinylation on the functional properties of resulting protein hydrolysates;Achouri;Food Research International,1998
4. Anon. (1995). Lebensmittel- und Bedarfsgegenstände-Gesetz, Methodenbeschreibungen. Amtliche Sammlung von Untersuchungsmethoden nach § 35 LMBG.
5. American Oil Chemists’ Society (AOCS). (1998). Official methods on recommended practices of the AOCS (5th ed.). AOCS official method Ba 11-65. Champaign, IL: AOCS.