Abstract: 37 volatile compositions in the alga, Dunaliella Salina grownin a salt lake in Xizang have been first time identified by GC/MS. The flavour of D.Salina due to β-ionone, was shown to be produced by oxidative degradation of β-carotene present in the alga.

Key words: Dunaliella Salina, GC/MS, headspace analysis

摘要： 扎布耶盐湖是世界上已知的海拔最高的丰富的嗜盐菌藻产地。本文用吸附法收集扎布耶湖中杜氏藻的香气，经色质联用定性鉴定了38个香气成分，其中大部分是藻类植物未被检出的化合物。

关键词: 杜氏藻, 头香, 色质联用