Chemical composition and content of essential oil from cultivated bald cypress (Taxodium distichum L.)

IF 1.3 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Bioresources Pub Date : 2023-12-07 DOI:10.15376/biores.19.1.751-765

S. K. Hosseinihashemi, Sayed Khosrow Hosseinashrafi, Mehrnoush Kelkian, Zohreh Shafighi, Luiz Claudio Almeida Barbosa

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Abstract

The essential oils extracted from the cone scale (CS), seed (SE), and thin branch with leaf (BL) of Taxodium distichum harvested during the winter season were analyzed by gas chromatography-mass spectrometry. Up to 37 components were identified, accounting for more than 96% of the total oil volume in all samples. Monoterpenes (CS 93.4%, SE 85.2%, and BL 72.8%) represented the major constituents of the essential oils, followed by smaller quantities of sesquiterpenoids. Monoterpene hydrocarbons (MH) dominated, with limonene (CS 56.5%, SE 50.5%, and BL 43.8%) and α-pinene (CS 31.7%, SE 26.1%, and BL 16.2%) being the main constituents. Representative minor constituents in the CS oil are camphene (1.3%) and bornyl acetate (2.6%); in the SE oil, β-myrcene (1.7%) and bornyl acetate (5.1%) were found; and in BL essential oil, β-myrcene (3.1%) and bornyl acetate (6%). Sesquiterpene hydrocarbons (CS 4.6%, SE 7.8%, and BL 12.9%) were the other major subclasses of components, with caryophyllene (CS 4.1%, SE 6.8%, and BL 9.3%) as the main constituent. The only oxygen-containing sesquiterpene found was caryophyllene oxide (CS 1.5%, SE 5.5%, and BL 8.3%). The compounds could be of great interest in food, cosmetics, and pharmaceutical applications.

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栽培秃柏（Taxodium distichum L.）精油的化学成分和含量

采用气相色谱-质谱法分析了从冬季采收的Taxodium distichum的锥鳞（CS）、种子（SE）和带叶细枝（BL）中提取的精油。鉴定出的成分多达 37 种，占所有样本总油量的 96% 以上。单萜（CS 93.4%、SE 85.2%、BL 72.8%）是精油的主要成分，其次是少量倍半萜。单萜烃（MH）占主导地位，主要成分是柠檬烯（CS 56.5%，SE 50.5%，BL 43.8%）和α-蒎烯（CS 31.7%，SE 26.1%，BL 16.2%）。CS 精油中具有代表性的次要成分是莰烯（1.3%）和乙酸冰片酯（2.6%）；SE 精油中发现了 β-月桂烯（1.7%）和乙酸冰片酯（5.1%）；BL 精油中发现了 β-月桂烯（3.1%）和乙酸冰片酯（6%）。倍半萜碳氢化合物（CS 4.6%、SE 7.8%、BL 12.9%）是其他主要亚类成分，其中的主要成分是石竹烯（CS 4.1%、SE 6.8%、BL 9.3%）。唯一发现的含氧倍半萜是氧化加里叶烯（CS 1.5%，SE 5.5%，BL 8.3%）。这些化合物在食品、化妆品和医药应用方面具有重大意义。

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来源期刊

Bioresources 工程技术-材料科学：纸与木材

CiteScore

2.90

自引率

13.30%

发文量

397

审稿时长

2.3 months

期刊介绍： The purpose of BioResources is to promote scientific discourse and to foster scientific developments related to sustainable manufacture involving lignocellulosic or woody biomass resources, including wood and agricultural residues. BioResources will focus on advances in science and technology. Emphasis will be placed on bioproducts, bioenergy, papermaking technology, wood products, new manufacturing materials, composite structures, and chemicals derived from lignocellulosic biomass.