Extraction des huiles des gaines Prunus Amygdalus et Carthames Thinctorius et mise en évidence du pouvoir antibactériens

Abstract

In the field of the biochemistry of natural plant substances and in particular the valorisation of oil plants, the aim of this work is to extract and prepare savons from the base of Prunus Amygdalus (Algeria) and Carthamustinctorius (Morocco and Algeria) oils, and to detect microbial activity in these soaps. Extraction of almond seeds and safflower (Algerian and Moroccan) by the soxhlet method (extracted with hexane) gave respective yields of the order (40.96%, 15.38%, and 18.7%). Physical test values revealed the purity of our oils.the values obtained for the various chemical indices (acid, saponification, ester, alteration and peroxide) are respectively:(2.98 mgKOH H /g,, 145.86 mgKOH H /g,, 145.86, 2.04, 6.38 meqO2/Kg) for almond oil, (4.08 mgKOH H /g,,185.13 mgKOH H /g,, 181.12, 2.16, 8,55 meqO2/Kg) for Algerian safflower oil, (3.92, 176.171,172.90, 2.15, 10.89 meqO2/Kg) for Moroccan safflower oil. The antibacterial activities of almond and safflower soaps (Algerian and Moroccan) on pathogenic bacterial strains (Bacillus cereus and Pseudomonas aeroginosa) shows that the antimicrobial power of these prepared soaps is different (very strong, strong and medium) for Moroccan safflower, almond and Algerian safflower, respectively