Transition metal complexes of cobalt [II],nickel [II] and zinc [II] with leaves extract of zizyphus spinachristi [a herbal medicinal plant species of family rhamnaceae] and their biological status

ABSTRACT

Transition metal complexes of Co [II], Cu [II], Ni [II] and Zn [II] with the leaves extract of naturally occurring herbal plant species zizyphus spina - christi of family Rhamnaceae have been prepared and screened for their antibacterial activity against bacterial species Escherichia coli, Proteus vulgaris, Staphylococcus - aureus, Pseudomonas aeruginosa and Bacillus subtilis. The antibacterial results of these studies have shown an impressive increase of Antimicrobial activity observed by the metal complexes in comparison to the simple leaves extract