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Kỹ thuật hóa học

Vũ Thu Trang; Nguyễn Thị Hoa; Nguyễn Thị Hoa(1)

Nghiên cứu hiệu quả kháng vi khuẩn Staphylococcus Aureus khi sử dụng kết hợp các loại tinh dầu Việt Nam

Inhibitions of Staphylococcus aureus by using the combination of Vietnamese essential oils

Khoa học và Công nghệ

2015

4

417-424

0866-708X

Tinh dầu thực vật; Kháng khuẩn; Staphylococcus Aureus; Tương tác cộng hưởng

The purpose of this research is to screen the antimicrobial activity of essential oils (EO) Ocimum gratissium, Melaleuca leucadendra, Cinamomum lourerii, Zanthoxylum rhetsa, Litsea cubeba, Chenopodium ambrosiodes, Mentha arvensis in individual and in combination against Gram positive Staphylococcus aureus (S. aureus), a common food-spoilage and food-borne pathogen. This study was carried in order to select the essential oils which presented the addition and synergy effect to medical applications and food products. The antibacterial activity of the essential oil was determined by agar disc diffusion method. The results showed that all tested essential oils presented the effectively antimicrobial effect against S. aureus. The inhibition zones ranged from 13 mm (Melaleuca leucadendra EO) and of60 mm (Litsea cubeba EO). The qualitative study of 42 essential oils combination by agar disc diffusion method indicated that the Melaleuca leucadendra and Mentha arvensis did not show any additive effect with others. In constract, the combination of Litsea cubeba, Cinnamomum loureiri and Chenopodium ambrosiodes EOs showed synergy effects against S. aureus promising the high application in food and medicine.

TTKHCNQG, CVv 5