Colorimetric evaluation of phenolic content and GC-MS characterization of phenolic composition of alimentary and cosmetic argan oil and press cake.
The global phenolic content of argan oil and press cake samples (alimentary and cosmetic) was evaluated using the Folin-Ciocalteu colorimetric method and the phenolic composition of argan oil (alimentary and cosmetic) and press cake (alimentary) samples were analyzed by GC-MS after extraction with 80:20 (v/v) methanol:water and silylation. Identification of chromatographic peaks was made by mass selective detection. Nineteen simple phenols were detected, 16 in press cake, 6 in the alimentary oil, and 7 in the cosmetic oil, among which 15 compounds [3-hydroxypyridine (3-pyridinol), 6-methyl-3-hydroxypyridine, catechol, resorcinol, 4-hydroxybenzyl alcohol, vanillin, 4-hydroxyphenylacetic acid, vanillyl alcohol, 3,4-dihydroxybenzyl alcohol, 4-hydroxy-3-methoxyphenethyl alcohol, methyl 3,4-dihydroxybenzoate, hydroxytyrosol, protocatechuic acid, epicatechin, and catechin] were identified for the first time in such materials.
Rojas
Luis B
LB
Laboratoire de Chimie des Substances Végétales, Université Bordeaux 1, 33405 Talence, France.
Quideau
Stéphane
S
Pardon
Patrick
P
Charrouf
Zoubida
Z
D003124:Colorimetry / Q000379:methods*; D003358:Cosmetics / Q000032:analysis*; D005638:Fruit / Q000737:chemistry; D008401:Gas Chromatography-Mass Spectrometry; D010636:Phenols / Q000032:analysis*; D010938:Plant Oils / Q000737:chemistry*; D029632:Sapotaceae / Q000737:chemistry*; D012639:Seeds / Q000737:chemistry
D003358:Cosmetics; D010636:Phenols; D010938:Plant Oils