TITLE:
Effect of Baobab (Adansonia digitata L.) Seeds Washing and Origin on Their Fatty Acids and Phenolic Compounds Oils Content
AUTHORS:
Alioune Sow, Edouard Mbarick Ndiaye, Oumar Ibn Khatab Cissé, Pape Guédel Faye, Alé Kane, Delphine Margout-Jantac, Bou Ndiaye, Samba Baldé, Khadim Niane, Nicolas Ayessou, Patrick Poucheret, Mady Cissé
KEYWORDS:
Adansonia digitata L., Seeds, Extraction, Pressure, Oil, Fatty Acids, Tyrosol, Hydroxytyrosol
JOURNAL NAME:
American Journal of Analytical Chemistry,
Vol.16 No.1,
January
21,
2025
ABSTRACT: The aim of the present study was to evaluate the effects of baobab seed washing and origin on the chemical composition of the oil extracted by pressing. Six (6) oil samples were obtained from seeds of three (3) geographical origins. The identification and quantification of fatty acids and the polyphenolic profile were carried out by GC-MS and HPLC-UV, respectively. Analysis of fatty acid methyl esters allowed the identification and quantification of 18 fatty acids. Oils from unwashed seeds were richer in palmitic (C16:0), stearic (C18:0), oleic (C18:1) and arachidic (C20:0) acids. In addition, HPLC-UV analysis at 279 nm shows that oils from unwashed seeds are richer in tyrosol, hydroxytyrosol and caffeic acid. With regard to the polyphenolic profile, gallic acid and quercetin were not detected in these baobab oils. Principal component analysis of fatty acid and phenolic compound content showed that oils from unwashed seeds would best preserve their chemical and associated potential bioactive characteristics.