Composición fitoquímica del extracto de raíz de Ichthyothere terminalis de dos regiones geográficas diferentes de Colombia

Pub Date : 2017-09-01 DOI:10.15446/REV.COLOMB.QUIM.V46N3.61865

L. Y. Ortiz-Rojas, Giovanni Chaves-Bedoya

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引用次数: 3

Abstract

The phytochemical analysis of two extracts from Ichthyothere terminalis root which were collected in the localities of Cumaral (Meta) and Abrego (Norte de Santander), Colombia is reported. Extracts were obtained with ethanol using distillation under reduced pressure and were characterized by qualitative assays and by gas chromatography coupled to a mass spectrometery (GC-MS). GC-MS analysis revealed differences in Ichthyothere terminalis compounds according to locality. Plants from Cumaral contain saponins, coumarins, and tannins, while those from Abrego contains tannins, alkaloids, coumarins and flavoniods. Plants from Abrego contain octadecadien-1-ol (53.5%), caryophyllene oxide (30.8%), hexadecanol (24.0%), trans-β-caryophyllene (13.6%), cycloisolongifolene (11.6%), germacrene D (6.0%), and 9-octadecen-1-ol (8.0%). Plants from Cumaral have citronellal (46.4%), p-cymene (6.4%), geraniol (5.0%), and citronellol (4.6%). Among the chemical compounds found, several have repellent properties, according to ethnobotanics reports from Amazonian Region. Further studies may determine the effectiveness as repellent of extracts from I. Terminalis root.

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哥伦比亚两个不同地理区域鱼尾根提取物的植物化学成分

报道了在哥伦比亚Cumaral（Meta）和Abrego（Norte de Santander）采集的两种终端鱼腥草根提取物的植物化学分析。提取物用乙醇在减压下蒸馏获得，并通过定性分析和气相色谱-质谱联用（GC-MS）进行表征。气相色谱-质谱分析显示，不同地区的鱼腥草化合物存在差异。Cumaral的植物含有皂苷、香豆素和单宁，而Abrego的植物含有单宁、生物碱、香豆素和黄酮。阿布雷戈的植物含有十八碳烯-1-醇（53.5%）、氧化石竹烯（30.8%）、十六烷醇（24.0%）、反式-β-石竹烯烯（13.6%）、环异长形烯（11.6%）、germacrene D（6.0%）和9-十八碳烯-1-醇（8.0%）。Cumaral的植物含有香茅醛（46.4%）、对伞烯（6.4%）、香叶醇（5.0%）和香茅醇（4.6%），根据亚马逊地区的民族植物学报告。进一步的研究可以确定其提取物作为驱蚊剂的有效性。

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