Khairunnisa Asyari, A. Jayuska, M. A. Wibowo, P. Ardiningsih
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摘要

沉香(Aetoxylon sympetalum)是加里曼丹的一种特有植物,其利用尚未得到充分利用。这种植物具有潜在的抗白蚁作用,其中一种是边材。本研究旨在从植物化学筛选结果中测定次生代谢产物的含量,通过气相色谱-质谱分析测定沉香木叶边材的成分、正己烷组分和对地下白蚁的抗白蚁活性。研究工作分为浸渍分馏、植物化学筛选、气相色谱-质谱分析、强制喂食法检测白蚁活性四个步骤。1 kg沉香木叶边材的粗甲醇提取物为240.787 g(24.0787%),其中正己烷馏分为0.8339%,氯仿馏分为86.3663%,甲醇馏分为0.7571%。对沉香木叶边木提取物进行了植物化学筛选,结果表明其含有黄酮类、萜类、甾类和酚类化合物。通过气相色谱-质谱联用技术对沉香叶边材部分正己烷的成分进行鉴定,所得化合物为:4-氯-6-甲氧基-2-甲基喹啉-8-胺(10.33%),豆甾醇(5.94%),正六癸酸(3.2%),6-八癸酸(2.99%),1,2-苯二醇,3,5-二(1,1-二甲基乙基)(2.01%)。以0%(阴性对照)、0.1%、0.2%、0.3%、0.4% (w/v)、0.25% (v/v)为阳性对照,进行白蚁活性试验,为期3 d。抑白蚁活性部位以甲醇部位最高(LC50为0.146%),其次为氯仿部位(LC50为0.167%)、甲醇粗提物(LC50为0.192%)、正己烷部位(LC50为0.208%)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
AKTIVITAS ANTIRAYAP DARI EKSTRAK METANOL GUBAL KAYU GAHARU BUAYA (Aetoxylon sympetalum) TERHADAP RAYAP TANAH (Coptotermes sp.) (ANTITERMITE ACTIVITY OF METHANOL EXTRACT AGARWOOD BUAYA (Aetoxylon sympetalum) ON SUBTERRANEAN TERMITES (Coptotermes sp.))
Agarwood buaya (Aetoxylon sympetalum) is a Kalimantan endemic plant whose utilization has not been optimal. This plant has potential as an anti-termite, one of which is sapwood. This study aims to determine the content of secondary metabolites from the results of phytochemical screening, components of agarwood buaya sapwood based on GC-MS analysis fraction n-hexane and anti-termite activity against subterranean termites (Coptotermes sp.). Research that has been done is divided into four steps, maceration and fractionation, phytochemical screening, GC-MS analysis, and testing the activity of termites using a forced feeding test method. Crude methanol extract from 1 kg of dried agarwood buaya sapwood was 240.787 g (24.0787%), consisting of 0.8339% n-hexane fraction, 86.3663% chloroform fraction, and 0.7571% methanol fraction. The results of phytochemical screening on agarwood buaya sapwood extract showed that it contained flavonoid, terpenoid, steroid, and phenolic compounds. Identification of the components of agarwood buaya sapwood fraction n-hexane through GC-MS yielded compounds a4-chloro-6-methoxy-2-methylquinolin-8-amine (10.33%), stigmasterol among other (5.94%), n-hexa-decanoic acid (3.2%), 6-octa-decenoic acid (2.99%), and 1,2-Benzene-diol, 3,5-bis(1,1-dimethyl-ethyl) (2.01%). Termite activity test was carried out for 3 days with variations in the concentration of 0% (negative control), 0.1%, 0.2%, 0.3%, 0.4% (w/v), and 0.25% (v/v) (fibronil as positive control). The results of anti-termite testing show the most active fraction was the methanol fraction (LC50 0.146%) followed by the chloroform fraction (LC50 0.167%), methanol crude extract (LC50 0.192%), and the n-hexane fraction (LC50 0.208%).
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