杨树叶醇提取物的成分

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

Bioresources Pub Date : 2023-11-15 DOI:10.15376/biores.19.1.276-287

Olga Mamaeva, Elena Isaeva

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引用次数: 0

摘要

这项研究考察了生长在俄罗斯克拉斯诺亚尔斯克边疆区（Krasnoyarsk Krai）的苦杨树叶醇提取物的组成分。叶片选自生长季节的不同阶段：六月、七月、八月为鲜叶期，九月为落叶期。杨树叶中含有高达 56% 的萃取物质，醇溶性物质占萃取物总量的 67%。使用极性递增的溶剂对醇提取物进行分馏：石油醚（沸点 40 至 70 °C）、二乙醚、乙酸乙酯、丁醇。结果表明，杨树叶的醇提取物以乙酸乙酯提取的物质为主（最高达 60%）。在安捷伦色谱-质谱仪上研究了醇提取物各个馏分中挥发性化合物的成分组成。确定了各种化合物的存在：烃类、醇类、酸类、酮类等，包括生物活性物质，如醋酸巨甾醇、ℽ-谷甾醇、谷甾醇、3,7,11,15-四甲基-2-十六烯-1-醇、二乙基甲苯酰胺、4-甲氧基-3-硝基联苯和其他可用于不同用途的化合物。

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Composition of alcohol extracts from poplar leaves (Populus balsamifera L.)

The group composition of alcohol extracts from balsamic poplar leaves Populus balsamifera L, growing in the Krasnoyarsk Krai, Krasnoyarsk (Russia) were examined in this work. Leaves selected in different phases of the growing season were used: June, July, August – fresh, September – fallen leaves. Poplar leaves contain up to 56% of extractive substances, alcohol-soluble substances account for up to 67% of the extract amount. Alcohol extracts were fractionated using solvents with increasing polarity: petroleum ether (boiling point 40 to 70 °C), diethyl ether, ethyl acetate, butanol. The results showed that the alcohol extracts of poplar leaves are dominated by substances extracted with ethyl acetate (up to 60%). The study of the component composition of volatile compounds of individual fractions of alcohol extracts was performed on an Agilent chromatography-mass spectrometer. The presence of various groups of compounds was established: hydrocarbons, alcohols, acids, ketones, etc., including biologically active substances such as megasterol acetate, ℽ-sitosterol, sitosterol, 3,7,11,15-tetramethyl-2-hexadecene-1-ol, diethyltoluamide, 4-methoxy-3-nitrobiphenyl, and other compounds that it can be used in different applications.

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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.