Product Specification
Product: Evening Primrose Oil
Botanical Name: Oenothera Biennis
Origin: Produced in Chile
Extraction method: Cold pressed
Plant part used: Seed
Appearance: Clear / Transparent
Colour: Bright Yellow
Batch: 6165
Manufacture Date: 08/06
Range Result
Iodine Value g iodine/100g 135-158 144
Peroxide value mEq/kg <8 1.7
Free Fatty Acids % Oleic Acid <5 1.5
Specific Gravity 20 oC 0.905-0.93 0.9165
Refractive Index 20 oC 1.474-1.481 1.4761
Unsaponificable Matter g/100g <2 0.88
Saponification Index mg KOH/g 175-195 188
Fatty Acid Profile
Component Range Value %
C 16.1 Palmitic Acid 5 - 10 5.88
C 18.0 Stearic Acid 1.5 - 3 1.80
C 18.1 Oleic Acid 8 - 16 11.92
C 18.2 Linoleic Acid 62 - 78 70.99
C 18.3 Gamma Linolenic Acid 8 - 12 8.66
C 20.0 Arachidic 1.5 max 0.37
C 22.0 Behenic 2 max 0.38
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