BIO Web Conf.
Volume 30, 2021II International Symposium “Innovations in Life Sciences” (ILS 2020)
|Number of page(s)||4|
|Section||Innovations in Food Industry Technology|
|Published online||22 April 2021|
Comparative analysis and antimicrobial action of some essential oils from plants
Faculty of Agricultural Sciences Food Industry and Environmental Protection, Research Centre in Biotechnology and Food Engineering, University Lucian Blaga of Sibiu Sibiu, Romania
* Corresponding author: email@example.com
In this research, essential oils (EOs) were extracted through steaming from aerial parts of three plants: basil (Ocinum basilicum L.), peppermint (Mentha piperita L.) and oregano (Origanum vulgare L.) form Sibiu County, Romania. The GC-MS analysis indicated that eugenol and apiol were the major compounds in the basil EO. Timol, ɣ-terpinene, and p-cymene were the major compounds in the volatile oil extracted from oregano and menthol and methone the main components in the peppermint EO. In the first 48 h of analysis, basil EO inhibition action was the highest against Salmonella anatum (48%), followed by Aspergillus niger (26%), Bacillus cereus (21%) and Saccharomyces cerevisiae (15%); this action was maintained for 120 h for all samples. In the first 48 h, the peppermint EO showed the highest inhibition rate (50%) on B. cereus, followed by A. niger (45%), S. cerevisiae (20%) and no action against Salmonella; this action varied after 72h and 120 h by slightly increasing in case of B. cereus, strongly decreasing in case of A. niger and remaining constant in case of S. cerevisiae. Oregano EO showed a very small antimicrobial action, only on S. anatum (12%) and this action was maintained for 120 h.
© The Authors, published by EDP Sciences, 2021
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