ANTIBACTERIAL ACTIVITY AND DPPH• RADICAL SCAVENGING OF DIFFERENTS METABOLITES EXTRACTED FROM TWO PLANTS: ESSENTIAL OIL FROM ( Matricaria recutita L. ) AND FLAVONOIDS FROM FLOWERS AND LEAVES OF ( Hibiscus rosa-sinensis L. )

Universitatea din Oradea. Analele. Fascicula Biologie

Amel CHOUIA¹ 

关键词: Matricaria recutita;    essential oil;    flavonoids;    Hibiscus rosa-sinensis;    antioxidant activity;    antibacterial activity.;   

DOI  :  

学科分类：生物科学（综合）

来源: Editura Universitatii din Oradea / University of Oradea Publishing House

【 摘 要 】

The aims of this study were to evaluate the DPPH• radical scavenging and antibacterial activity of different metabolites extracted from two plants: essential oil from Matricaria recutita L . and flavonoids from flowers and leaves of Hibiscus rosa-sinensis L . The essential oil extracted by steam distillation method have presented a yield of 0.55%, with a blue color, as for the flowers extract of H. rosa-sinensis is the richest in flavonoids (FFR: 3.19%). Flavonoid extracts from Hibiscus rosa-sinensis L . flowers provided the highest antioxidant activity against free radical inhibition of DPPH. The essential oil of Matricaria recutita tested on pathogenic germs revealed a presence of positive effects on all the bacterial strains used. While Hibiscus rosa-sinensis leaf and flower extracts inhibited only the growth of certain pathogens such as Serratia rubidae and Enterobacter sp . The results obtained in this study and the comparison with other works in the same field, allowed us to unveil the importance attributed by traditional medicine to Matricaria recutita L. and Hibiscus rosa-sinensis L . as source of natural antiseptics.

【 授权许可】

Unknown