Author(s):

Dhanapal Venkatachalam, KP Sampath Kumar and M Umadevi

Abstract: Red date or Bera (Pushto), is used primarily for its fruits. Jujube, a delicious fruit, is an effective herbal remedy improving stamina and muscular strength and aids weight gain, strengthens liver function and increases immune system resistance. The aim of this study is to evaluate in-vitro efficacy of antibacterial activity of crude methanol, n-hexane, chloroform, ethyl acetate and aqueous extracts of Zizyphus jujuba against some human pathogenic bacterial strains. Antibacterial and antifungal activities of Zizyphus jujuba extract was carried out by using disc diffusion method. The crude methanol, n -hexane, chloroform, ethyl acetate and aqueous fractions showed 41.37, 44.82, 41.37, 55.17 and 44.82% activity against Enterobacter aerogenes respectively. The crude methanolic extract and n-hexane fractions were inactive against Escherichia coli, S. pneumoniae and Klebsella pneumonia respectively.

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