In this study, morphanatomical study and antibacterial activity of
the rhizome of Zingiber officinale (Zingiberaceae) were investigated to
assist as a relevant source of information and contribute towards the standards
to dispose the quality and identity of this plant to avoid adulterations. The
transverse section of the rhizome includes different types of tissues which are
epidermis, cork, cortex and vascular bundles. The cortex is formed of
parenchyma cells, which often contain starch and oils in large amounts. In vitro antibacterial activity was investigated by cork porous method. The most
sensitive bacteria for all concentrations of the methanolic and only 50 mg/ml for the water extract was Staphylococcus
aureus. Pseudomonas
aeruginosa was found to be sensitive for both extracts used. Bacillus
subtilis was sensitive
for the methanolic extract only. Escherichia coliwas found to be not sensitive except for 100 mg/ml concentration of the methanolic extract.
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