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菊科植物莴苣属生菜（ＬａｃｉｕｃａＳａｔｉｖａＬ．）为一年生草本植物。据报道，其干燥种子注射液具有降低血压、减慢心律、降低血脂和抗动脉粥样硬化及抗心律失常作用〔１，２〕。但目前关于其挥发油的研究尚未见报道。本文作者对生菜根中挥发油成分进行了初步研究，经过
Compositae Lettuce (Laciuca Sativa L.) is an annual herb. According to reports, its dry seed injection has the effects of lowering blood pressure, slowing heart rhythm, lowering blood lipids, and preventing atherosclerosis and anti-arrhythmia [1, 2]. However, studies on its volatile oil have not been reported at present. The author of this article conducted preliminary studies on the composition of essential oils in lettuce roots.