Physical Properties, Antibacterial and Antioxidant Properties of Raw South Africa Shea Butter against Samples from Libyan Market

Sakina Salem Saadawi, Khairi Ali Alennabi, Hanin Nafed Mughrbi, Kholoud Lotfi, Nesrin Saleh Ali Abdulnabi

Abstract


Vigorous research has been conducted into the phenology of the shea tree, its usage and that of the shea butter extracted from the nuts of the shea fruit. Shea butter is the most valuable product in the Shea tree and its use as raw or in cosmetic and pharmaceutical products was expanded in the last years. The aim was to carry out comparative study between imported South African raw Shea Butter, one sample from Poland and samples from Libyan market on their physical properties (organoleptic), thin layer chromatography (TLC) chromatogram, phytochemical screening and diphenylpicrylhydrazil (DPPH) scavenging activity. As well as antimicrobial screening. Organoleptic test was carried out by comparing color and odor. TLC chromatogram was performed by spotting solution of samples in hexane on TLC plate and eluted twice in hexane: ethylacetate 8:2 to get good separation.  Phytochemical screening was performed to determine the presence of carbohydrates (Fehling test), steroids, and triterpens (Salkwiski test).  DPPH assay was carried out by spraying TLC sample spots by 0.2% DPPH methanolic solution. Antimicrobial test was conducted on Pseudomonas aeruginosa and Staphylococcus aureus. Mueller-Hinton agar was used with ciprofolxacin as +ve control and DMSO as–ve control.  As a result, Shea Butter samples showed wide diversity in color and odor which considered normal except two white samples that might undergo refining process, while spreadability and TLC chromatograms were similar. Samples and control showed presence of carbohydrates, steroids and triterpens. Control and samples had DPPH scavenging activity. Shea Butter control and samples had no antimicrobial activities against P. aeruginosa and S. aureus

Keywords


Shea butter, DPPH, Organoleptic, Pseudomonas aeruginosa, Staphylococcus aureus.

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