Biochemical composition

Preservation of the argan tree?

biochemical composition

SETTINGS VALUE
Solubility:
Insoluble in water, slightly soluble in 90° ethanol, soluble in chloroform and hexane
(ISO 660) 0.49 to 1.3%
Density at 20°
Acidity (expressed in % oleic acid)
Peroxide index (in meqO2/Kg)
Saponification index
% unsaponifiable
0.906 to 0.916
0.2 to 1
0 to 2
180-199
0.5 to 0.
Fatty acids
- Myristic acid (C 14: 0)
- Pentadecanoic acid (C 15: 0)
- Palmitic acid (C 16: 0)
- Palmitoleic acid (C 16:1)
- Heptadecanoic acid (C 17: 0)
- Stearic acid (C 18: 0)
- Oleic acid (C 18: 1)
- Linoleic acid (C 18:2)
- Linolenic acid (C 18:3)
- Arachidic acid (C 20: 0)
- Gadoleic acid (C 20: 1)
- Behenic acid (C 22: 0)
≤ 0.15
≤ 0.05
12.0-14.0
≤ 0.12
≤ 0.10
5.0-7.0
43.0 - 49.1
29.3 - 36.0
≤ 0.1
0.3-0.5
0.4-0.5
≤ 0.2
Trans fatty acids

C18:1 T
C18:2T


≤ 0.02
≤ 0.03

Sterol composition (in % of total sterols)

- Schottenol
- Spinasterol
- D- 7 - avenasterol
- Stigmasta-8,22-dien-3b-ol
- Campesterol
- Cholesterol

Total sterols

4,0 – 9,0 %
0,1 - 0,3 %
80,0 - 91,0 %
5,0 - 10,2 %

60 - 90 mg/100 g

triterpene alcohols
Triterpene Alcohols
The majority are:
tirucallol, bamyrin, butyrospermol and lupeol


130-180mg/100g

Stigmasta-3,5-diene content


< 0,05 ppm


Benzo-a-pyrene content


< 0,15 ppb


Content of palmitic acid in position 2 in triglycerides


< 0,5 %

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