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2. Heating reduces vitamin E content in palm and soy oils;Adam;Mal J Biochem MolBiol,2007
3. AOCS A 2009 Official Method Ab 5-49: Free fatty acids
4. AOCS A 1993 Official method Ce 8-89: Determination of tocopherols and tocotrienols in vegetable oils and fats by HPLC. AOCS, Champaign
5. AOCS A 1996 Official method Cd 8b-90: Peroxide value acetic acid-isooctane method