ObjectiveTo study the chemical constituents of essential oil from Daucus carota L.from Guizhou Province.

目的分析鹤虱风挥发油成分。

Twenty-six chemical constituents were identified by GC-MS.The relative content of docosane was the highest.

【英文摘要】 The volatile oil was obtained from the seed of Fibraurea recisa pierre by steam distillation.

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油的化学成分,并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。

And the chemical constituents of Stachys geobombycis was primarily demonstrated according to precipitadon reaction or color reaction with various indicator.

地蚕中可能含有生物碱、黄酮及其苷类、多糖、有机酸等成分。

The chemical constituents of pod of Gleditsia sinensis Lam. have been studied.The saponin, fibrin, half fibrin, xylogen and proteins of it have been mensurated.

初步研究了皂荚中所含的化学成分,测定了皂甙、纤维素、半纤维素、木质素、果胶、蛋白质相对于绝干皂荚的质量百分含量。