1. Official Method 996.06. Fat (total, saturated, and unsaturated) in foods. Hydrolytic extraction gas chromatographic method;AOAC,2012
2. AOCS Official Method Ce 2b-11. Direct methylation of lipids in foods by alkali hydrolysis;AOCS,2013
3. AOCS Official Method Ce 2c-11. Direct methylation of lipids in foods by acid-alkali hydrolysis;AOCS,2013
4. AOCS official method Ce 2-66. preparation of methyl esters of fatty acids;AOCS,2013
5. AOCS Official Method Ce 1j-07. Determination of cis-, trans-, saturated, monounsaturated, and polyunsaturated fatty acids in extracted fats by capillary GLC;AOCS,2013