HOẠT TÍNH KHÁNG KHUẨN CỦA TINH DẦU VÀ CÁC CHẾ PHẨM HÚNG CHANH Ở HOÀI ĐỨC, HÀ NỘI

Abstract

Plectranthus amboinicus is one ofthe precious medicinal plants widely used
in traditional Vietnamese medicine. Theessential oil has many valuable
biological activities in medicine.In this study, we studyed the antibacterial
activity of essential oil and 2 productson two strains of Gram (+) Staphylococcus
aureus (ATCC 13709), Gram (-) Escherichiacoli (ATCC 25922) and Candida albicans
strains (ATCC10231) by the agar hole method. Research results show that all 3
samples have the ability to inhibit the growth of all 3 tested strains of bacteria
with agar hole diameter varying from 21 - 85mm. Especially, the sample
(essential oils of lemon balm, kumquat, honey) with the largest antibacterial
diameter and greater than 85mm inhibited all microorganisms on the surface of
the agar plate at the tested concentration.