Elettaria cardamomum leaves, an underutilized resource: chemical profile of its essential oil and insecticidal activity

IF 2.2 3区农林科学 Q3 CHEMISTRY, APPLIED

Journal of Essential Oil Research Pub Date : 2023-05-02 DOI:10.1080/10412905.2023.2197437

Akhil Kumar, Rajani Kurup Sukumaryamma Remadevi, A. J. Johnson, Vinayak Venukumar, Farzana M Sha, T. S. Varghese, Sabulal Baby

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引用次数: 0

Abstract

ABSTRACT Elettaria cardamomum is known as the ‘Queen of spices’; its leaf essential oil (EO) is least investigated and barely utilized. Here we report the chemical composition of E. cardamomum leaf EOs collected from five locations in the southern Western Ghats in India. EOs of fresh and dry capsules were also analyzed for comparison of their chemical profiles. The major constituents in cardamom leaf EOs were β-pinene (35.6–51.9%) and coronarin E (17.7–34.2%). In fumigant toxicity assays against two stored product pests, lowest LC50 against Tribolium castaneum was recorded in EO of fresh capsules (124.05 µL/L), followed by dry capsules (LC50 128.21 µL/L) and leaves (LC50 148.00 µL/L); LC50s of fresh, dry capsule and leaf EOs against Sitophilus oryzae were 30.24, 35.33 and 89.42 µL/L, respectively. This study demonstrates cardamom leaves as a source of untapped bioactive principles which can be viably utilized for the production of botanical pesticides.

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未充分利用的小豆叶:其精油的化学成分及其杀虫活性

小豆蔻被誉为“香料女王”;其叶精油(EO)的研究最少，几乎没有利用。在这里，我们报告了从印度西高止山脉南部五个地点收集的E. cardamomum叶的化学成分。还分析了鲜胶囊和干胶囊的EOs，比较了它们的化学特征。豆蔻叶精油的主要成分为β-蒎烯(35.6% ~ 51.9%)和冠素E(17.7% ~ 34.2%)。在熏蒸剂对两种储存品害虫的毒力测定中，鲜胶囊EO的LC50最低(124.05µL/L)，其次是干胶囊EO(128.21µL/L)和叶片EO(148.00µL/L);鲜、干胶囊和叶片对米象虫的lc50分别为30.24、35.33和89.42µL/L。本研究表明，豆蔻叶是一种未开发的生物活性物质，可以有效地用于植物性农药的生产。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Essential Oil Research 工程技术-食品科技

CiteScore

6.00

自引率

3.30%

发文量

审稿时长

18-36 weeks

期刊介绍： Journal of Essential Oil Research ( JEOR) is the major forum for the publication of essential oil research and analysis. Each issue includes studies performed on the chemical composition of some of the 20,000 aromatic plants known in the plant kingdom. JEOR is devoted entirely to all phases of research from every corner of the world by the experts in their field. JEOR''s main areas of focus include: -Analytical chemistry- Biological activity- Biotechnology- Chemical composition- Chemical synthesis- Chemosystematics- Microbiological activity- Plant biochemistry/biosynthesis- Toxicology. Published six times per year, JEOR provides articles on the aromatic principles of a plant or its isolates and are directed toward furthering our readers'' knowledge of the aromatic plant and animal kingdoms.