Antimicorbial Efficacy of Green Tea Extract and their inhibitory action against uropathogens from Clinical Sample


  • Yusra Iqbal Jinnah University for Women, Karachi Pakistan.


Green tea extract is an all natural way to obtain fluoride and they have a primary antimicrobial influence on a number of gram positive and gram negative bacteria plus on some fungi. Tea catechins have straight impact to the lipid bilayer. These catechins in turn affect the membrane. The main catechins in green tea extract are epicatechin (EC), epigallocatechin-3-gallate (EGCg), epigallocatechin (EGC), epicatechin-3-gallate (ECG). EGCg and EGC have been proven to really have the biggest antimicrobial outcome. It also inhibits the formation of fatty acid solution. Inhibition of fatty acidity synthesis by green tea extract has been found to inhibit bacterial development of harmful metabolite also. In today’s study we noticed the antimicrobial effectiveness of green tea extract on the bacterial and fungal strains that have been obtain from the urine samples of UTI patients. Of January 2016 a total of 14 samples were gathered in month. The collected urine samples were organized to isolate the bacterial agents by using systematizes etiquette of isolation and determined by cultural characteristics and biochemical tests. 27 strains of pathogenic bacteria and fungus were collectively determined were 64.4% was E.coli, Staphylococcus aureus 50%, Pseudomonas 28.5% and Candida was 35.7%. The antibacterial activities of green tea extract contrary to the isolates were dependent on agar well diffusion method and broth dilution solution to performed Minimum inhibitory concentrations (MIC). The MIC of green tea extract against all the 27 isolates discovered positive effect at 12.25 mg/ ml where 66.66% was E.coli, S.aureus was 57.14%, Pseudomonas 50% and Candida was 40%. On the other hand only S. aureus and Candida will be the most sensitive isolates inhibited by agar well diffusion technique. Inhibition of the isolates inhibited by agar plate were dependent on zone of inhibition in mm. Urinary system infections is one of the normal infection to have an effect on human which is the second most typical cause of clinic visits. It really is more prevalent in feminine than in man.

Author Biography

Yusra Iqbal, Jinnah University for Women, Karachi Pakistan.

Department Of Microbiology