Evening primrose oil with high quality

Test Term

Test Method 

and Unit

Specification

Appearance & odor

Specific Gravity 

Acid Value

Moiste and Volatiles

Cold test

Peroxide Value,

Iodine value

Refractive Index

Heavy Metal

Fatty Acid Comosition

C16:0  Palmitic acid

C18:0  Stearic acid

C18:1  Oleic acid          

C18:2  Linoleic acid

C18:3  GamaLinolenic acid

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20°C

(mgKOH/g)

%

 0°C, 5.5hours

meq/kg

gI/100g

20°C

PPM

%

%

%

%

%

Clear to light yellow with free odor

0.90~0.93

0.2 Max  

0.20 Max 

clear and transparent

10

150-165

1.479~1.480

10Max

 4-8

0.5-3

6-15

66-82

9-12