In vitro antibacterial activity of Hibiscus rosa sinensis, Chrysanthemum indicum, and Calendula officinalis flower extracts against Gram negative and Gram positive food poisoning bacteria

Author(s):  
Arun Karnwal
2007 ◽  
Vol 72 (5) ◽  
pp. 443-449 ◽  
Author(s):  
Tejaskumar Shah ◽  
Vikas Desai

A series of 3-[3-(2,4-dichloro-5-fluorophenyl)-5-(2-furyl)-4,5-dihydro-1H-pyrazol- 1-yl]-5-(substituted phenyl/2-thienyl)isoxazolines (4a-j) were prepared. The structures of the isoxazoline derivatives were confirmed on the bases of elemental analysis and spectral data. The compounds were screened for their in vitro antibacterial activity using gram-positive bacteria and gram-negative bacteria.


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