Characterization and assessment of the antimicrobial function of total polyphenol extracts from pulps, leaves and seeds of two Ceratonia siliqua L. varieties

K. Yahiaoui, O. Bouchenak, S. Boumaza, S. Toubal, D. Blizak, A. Nouani, K. Arab


Abstract: The overall phytochemical test results suggested that pulp, seeds, and leaves of both grafted and spontaneous varieties are especially rich in tannins , saponins, and leuco-anthocyanins. The result of the determination of total polyphenols Ceratonia siliqua L. showed that spontaneous leaves showed that the highest value of spontaneous leaves was 14 EAGmg / g, followed by grafted seeds (11.5 EAGmg / g), and spontaneous pulps (10.2 EAGmg / g). Infra -red spectroscopy revealed the presence of many functional groups in both varieties. The antimicrobial activity is particularly found with the spantaneous leaves against Escherichia coli (21.83 ± 0.93 mm) and Staphylococcus aureus (16.36 ± 0.63 mm) Microccus sp (15.83 ± 0.73 mm) and leaves grafted against Pseudomonas aeruginosa (14.30 ± 0.35 mm).

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