Ledum

英

美

网络杜香; 杜香属; 喇叭茶属

Preparation of Ledum Extract and Partial Toxicological and Pharmacological Action
杜香提取物的制备及部分毒理药理作用
Objective: To explore the extraction and separation methods of the volatile oil of Ledum palustre, and provide scientific basis for further development and use.
目的：探索狭叶杜香挥发油的提取分离方法，为其进一步开发利用提供科学依据。
The study of extraction methods of the volatile oil of Ledum palustre
狭叶杜香挥发油提取方法的研究
Basic studies on the exploitation of the resources of plants of Ledum ⅰ. a research on the chemical constituents of Ledum oil
杜香植物资源开发利用的基础研究&Ⅰ.杜香油化学成分的研究
Separation and Identification of Main Components of Ledum Oil
杜香油主要成分的分离和鉴定
Methods: We compared the yield and component change of the volatile oil of Ledum palustre by supercritical-CO_2 fluid extraction ( SFE) and by steam distillation ( SD) respectively, and the volatile oil has been analyzed qualitatively and quantitatively by GCMS.
方法：研究了超临界流体提取法（SFE）及水蒸气蒸馏法（SD）所得杜香挥发油的收率及组分变化，并采用GC-MS联用技术进行分析。
Ledum& Larix forest is regular distribution;
杜香&落叶松林种群分布格局均为随机分布；