The Antibacterial activity of four different
extract viz. hexane, ethyl acetate, methanol
and aqueous of six medicinal plants of
Gujarat, India each belonging to different
families were evaluated against mastitis
pathogens viz. Staphylococcus aureus,
Streptococcus agalactiae, E.coli,
Pseudomonas mendocina, Micrococcus
pyogens. The in vitro antibacterial activity was performed by agar well diffusion method. The aqueous and hexane extracts were less active but methanol and ethyl acetate extracts showed high degree of antibacterial activity against the tested bacterial strains. The most active antimicrobial plants were Rauvolfia
serpentina, Cinnamomum zeylanicum and
Azadirachta indica. The Staphylococcus
aureus was the most resistant bacteria while Pseudomonas mendocina was the most
susceptible bacteria. Amongst the plant
species screened, methanol extract of
Rauvolfia serpentina root showed best
antibacterial activity. Primary qualitative analysis of phytochemicals showed presence of different phytochemicals in the extracts used in this study. 1342590628.php