Oragnoleptic properties

Specification

Appearance

Yellow to pale yellow clear liquid

Odour 

Characteristic odor

Solubility

Miscible with light petroleum ether

Physical Characteristic

Refractive index @ 20 ^oC

1.450 to 1.495

Specific gravity @ 25 ^oC

0.895  to 0.930

Acid value

NMT 2.00mgKOH/gm

Iodine value

85 to 145

Peroxide value

10 max

Water content

0.30% Max

Saponifiable number

180 to 210

Un saponifable matter

1.5% max

TLC fingerprint

The fingerprint of the sample should match with standard

Brassica sterol

Max 0.3% in the sterol fraction of the oil

Content of a Tocopherol

Not less than 0.2 % w/w

Chromatographic Analysis:%

Palmitic acid

Stearic acid

Oleic acid

Linoleic acid

Linolenic acid

6.50 to 14,0 

0.2 to 6.5

12 to 28

46 to 69

10.8 max