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Identifying of Active Components in Leaves, Stem Parks, and Flowers of Plantago Lanceolata L. and Studying their Antibacterial Activity. | ||
| journal of al-qadisiyah for pure science(quarterly) | ||
| Article 1, Volume 10, Issue 2, 2010, Pages 65-74 PDF (0 K) | ||
| Authors | ||
| Saddam H. F. Al-Ma; | ||
| Abstract | ||
| Results of phytochemical screening showed some active components in leaves, stem parks and flowers plantago lanceolata L. like tannins, alkaloids, saponins, amino acids, steroids, phenols, glycosides and iridoid glycosides. The study also included measuring pH values for the aqueous extracts for the different three parts of plant such as leaves which is equal to (7.5) and for the stem parks which is equal to (7.2) while it is equal to (7.3) for flowers.The antibacterial study was performed for the aqueous extracts of leaves, stem parks and flowers against three types of pathogenic bacteria (Staphylococcus aureus , Escherichia coli , Pseudomonas aeruginosa) using Agar-well diffusion method. The results showed that the three aqueous extracts have inhibitory effect on bacteria used in the study specially against Staphylococcus aureus at the concentrations 1 , 10 , 50 , 100 mg/ml with the inhibition zone diameters of 7 , 9 , 15 , 20 respectively. Also, the study of the minimum inhibitory concentration (MIC) for the aqueous extracts was determined for the three types of bacteria. The study has shown that the aqueous extract of leaves revealed lowest inhibition concentration for Staphylococcus aureus with a concentration of 0.5 mg/ml. | ||
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