Peppermint is a perennial perennial herb of Lamiaceae Mint, mainly produced in Jiangsu, Henan, Anhui, Jiangxi and other provinces in my country. It is a medicinal and edible crop and is widely used in the food and pharmaceutical industries.

Peppermint is a kind of commonly used Chinese herbal medicine, its nature is pungent and cool, and it enters the lung and liver meridians. Red eye pain, sore throat, measles, etc. Peppermint oil is the main chemical component in peppermint. The main component of peppermint volatile oil is levomenthol, the content is 62%~87%, and it also contains flavonoids, organic acids, helium Base acid and other components, etc. Peppermint essential oil has anti-tumor, anti-inflammatory and analgesic effects, and peppermint essential oil also has important regulatory functions on the central nervous system, digestive system, and antibacterial and anti-inflammatory systems.

With the wide application of peppermint and its essential oil, the research on peppermint and its essential oil has continued to deepen, but most of the research mainly focuses on the extraction method of its essential oil and the differences in the composition of components in various origins. Liu Mingxue et al. Preliminary studies have been carried out, but there are few studies on the antibacterial activity of peppermint extracts at different temperatures. In this paper, the antibacterial activities of the extracts of peppermint leaves and their essential oils at different temperatures against common pathogens in food are preliminary. To explore, to provide theoretical basis and scientific basis for the comprehensive development and utilization of mint.

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