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fatty acid methyl
fatty acid methyl esters
Definition: Sunflower oil is the fatty oil obtained from the seeds of Helianthus annuus L. by expeller pressed, refined, blended and deodorized It is non-organic.
The oil is clear, light yellow liquid, practically insoluble in water and alcohol, miscible with light petroleum (bp: 40-60 0C) .
Identification A: TLC
Identification B: It complies with the test for composition of fatty acids (see Tests) .
Specifications: dated Dec. 11, 2006
Acid Value ( mg KOH/g) less than 0.5
Peroxide Value ( meq/kg) less than 10.0 (at time of drumming)
Specific Gravity (250C) 0.918-0.923
Refractive Index (250C) 1.461-1.468
Unsaponifiable Matter (% ) less than 1.5
Moisture less than 0.1%
Alkaline impurities complies with the test for alkaline impurities in fatty oils
Palmitic acid (%) 4-9
Stearic acid (%) 1-7
Oleic acid (%) 14-40
Linoleic acid (%) 48-74
* Linoleic acid is cis-9,12-octadecadienoic acid.
**Fatty acid composition is expressed as a percentage of fatty acid methyl esters (Fame) prepared for GC analysis. [% area method]
In a well-filled, airtight container, protected from light.