The The Effect of Local Plant Peel Extracts from Phetchaburi Province in Inhibiting Bacteria Found on Hands and Food Contact Surfaces
Keywords:
Staphylococcus aureus, Pathogenic Bacteria, Palm sugar peelAbstract
The aims of this research were to study the antibacterial activity of extracts of banana peel, rice peel, palm sugar peel, lime peel, and pineapple peel in ethanol against Staphylococcus aureus by Disc Diffusion method and to study the effect of these extracts in inhibiting pathogenic bacteria found on hands and surfaces by using swab test (Sl-2). The results found that Staphylococcus aureus was inhibited only by palm sugar peel extract with average inhibition zone diameter equal to 10.99±0.21 mm. Banana peel extract, rice peel extract, lime peel extract, and pineapple peel extract did not show any inhibition of this bacteria. Palm sugar peel extract can inhibit Staphylococcus aureus with MIC = 1.56 (mg/ml), and MBC = 12.50 (mg/ml). For the effect of 5 plant peel extracts in inhibiting coliform bacteria on hand of valunteers and food contact surfaces, It was found that palm peel extract was the most effective in reducing the number of coliform, with no coliform bacteria found on the volunteers' hands and food contact surfaces at 65% and 75%, respectively. Follow by, banana peel and lime peel extracts were found no coliform bacteria in 40 percent of the volunteers' hands and food-contact surfaces. Therefore, palm sugar peel extract is an interesting waste material that will be developed as an antibacterial agent in the future.
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