EFFECTS OF ANTIMICROBIAL ACTIVITY OF VITIS VINIFERA (RED GRAPE) AND CAMELLIA SINENSIS (GREEN TEA) EXTRACTSAbstract
Food and nutrients play vital role in normal functioning of the body. The samples selected for this study were Ethanolic extract of Red grape seed, Ethanolic extract of green tea leaves, Commercially available grape seed extract / Isotretinion tablet, green tea extract , Vitamin A and E tablets. The Nutraceutical effects of grape seed extract and green tea extract was analyzed. The antimicrobial activity of all the above samples were studied by disc diffusion method against Pseudomoas spp., Flavobacterium spp, Aeromonas spp., Enterobacteriaceae, E. coli, lactobacillus spp., and staphylococcus spp. The antibiotic tetracycline disc used as a standard. All samples had been found to contain potent antimicrobial activity. The antioxidant activity was measured by DPPH method and compared with vitamin A and vitamin C. Both the prepared and commercially available extracts obtained more antioxidant activity than vitamin A & C. Thus the results showed that the grape seed extract and green tea leaves has antioxidant and antimicrobial activity.
A. Jayachitra*, N. Krithiga and S. Nithyakala
Department of Plant Bio-technology, School of Biotechnology, Madurai Kamaraj University 1, Madurai- 6250021, India
20 July, 2012
16 September, 2012
21 October, 2012