薄荷是我国的重要香料植物和经济植物之一。薄荷及其加工制品——薄荷脑和薄荷素油可广泛用于医药、食品和日用品中的加香,与人们的日常生活有着密切的关系。在国际市场上,我国薄荷脑、素油负盛誉,占有重要地位。薄荷是常异交作物,其后代容易发生变异,在生产上需用无性繁殖。但由于异花传粉,人工机械混杂等原因,在大田中仍不断产生退化现象,从而导致薄荷油产质量不断下降。针对薄荷油产、质量下降的原因,及其国内外市场需求 Peppermint is one of China’s important spice plants and economic plants. Peppermint and its processed products - Menthol and peppermint oil can be widely used in medicine, food and daily necessities in the incense, and people’s daily lives are closely related. In the international market, China’s menthol, prime oil negative reputation, occupies an important position. Mint is often outcrossing crops, its offspring prone to mutation in the production of the need for asexual reproduction. However, due to cross-pollination, mixed with artificial machinery and other reasons, the degradation phenomenon still continues to occur in the field, resulting in a continuous decline in the quality of peppermint oil. For peppermint oil production, the reasons for the decline in quality, and its domestic and international market demand