V2EX sesquiterpene

Sesquiterpene

Definition 定义

倍半萜:一类由三个异戊二烯单元组成、通常具有 15 个碳原子(C)的萜类天然产物,常见于精油、树脂和植物防御化合物中;很多具有香气或生物活性。(该词在化学/天然产物语境最常见;在不同学科中还可细分为不同结构类型。)

Pronunciation 发音

/sskwtrpin/

Examples 例句

Lavender oil contains several sesquiterpenes.
薰衣草精油含有多种倍半萜。

Researchers isolated a new sesquiterpene from the plant and tested its anti-inflammatory activity.
研究人员从该植物中分离出一种新的倍半萜,并测试了它的抗炎活性。

Etymology 词源

sesqui- 源自拉丁语,意思是“一又二分之一(1.5)”;**-terpene** 来自 turpentine(松节油)相关的命名传统。合起来的含义是:在萜类系列中,碳数相当于单萜(C)的 1.5 倍,即典型的 C 骨架,因此称为 sesquiterpene(倍半萜)

Related Words 相关词

Notable Works 作品示例

  • The Merck Index(《默克索引》;化学品与药物资料工具书中常见该术语)
  • Dictionary of Natural Products(《天然产物词典》;天然产物条目中频繁使用“sesquiterpene”分类)
  • Chemistry of Essential Oils(《精油化学》相关教材/专著常用该词讨论香气成分与结构类型)
  • Journal of Natural Products(《天然产物杂志》;大量论文标题与摘要中出现该术语)
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