Abstract: Pelargonium roseum was introduced into Yunnan and has been uccessfully acclimatized, and has begun to be set out extensively. The chemical compositions in the ssential oil extracted at the main growing periad of the plant were analysed. The result showed that the Percentage of geraniol increased while that of citronellol decreased from May to October. The odor characteristics of the essential oil of Pelargonium roseum was different from that of P. graveolens Produced in Yunnan and was similar to that produced in Bourbon.

Key words: Pelargonium rosenm, Composition of essentiap oil, Odor evaluation

摘要： 玫瑰天竺葵从摩洛哥引入云南已试种成功,并开始大面积推广。其各生长期精油分析结果表明,随月份的推移,香叶醇含量下降。其香气特征与云南产香叶天竺葵(Pelargonium graveolens)精油不同,更接近印度波尔蓬香叶油的香气。

关键词: 玫瑰天竺葵, 精油成份, 香气评价