Turpentine as an alternative solvent for the extraction of gutta-percha from Eucommia ulmoides barks

被引：33

作者：

Cui, Guoqiang ^{[1
]}

Liu, Zaizhi ^{[1
,2
]}

Wei, Mengxia ^{[1
]}

Yang, Lei ^{[1
]}

机构：

[1] Northeast Forestry Univ, Minist Educ, Key Lab Forest Plant Ecol, Harbin, Heilongjiang, Peoples R China

[2] Jiangxi Normal Univ, Coll Life Sci, Nanchang 330022, Jiangxi, Peoples R China

来源：

INDUSTRIAL CROPS AND PRODUCTS | 2018年 / 121卷

关键词：

Eucommia ulmoides; Bark; Gutta-percha; Turpentine; Extraction; PINORESINOL DIGLUCOSIDE; OLIV; BARK; GENIPOSIDE; OIL; TRANS-1,4-POLYISOPRENE; POLYSACCHARIDES; MECHANISM; LEAVES;

D O I：

10.1016/j.indcrop.2018.05.011

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Turpentine was used in the extraction of gutta-percha from Eucommia ulmoides barks. The Box-Behnken experimental design was used to optimize the extraction parameters. The optimized conditions were 25 mL/g liquid to solid ratio, 82.6 degrees C reaction temperature, and 1.0 h heating time, which resulted in a practical gutta-percha extraction efficiency of 80.46 +/- 2.55 mg/g. The obtained samples of gutta-percha were analyzed by Fourier transform infrared spectroscopy (FTIR), gel permeation chromatography (GPC) and nuclear magnetic resonance (NMR). The GPC results showed the molecular weight distribution (MWD) of gutta-percha from the barks was between 2.9 x 10(3) and 3.8 x 10(5) using turpentine as the extraction solvent, and the MWD was between 1.7 x 10(3) and 9.7 x 10(5) when petroleum ether was used as the extraction solvent. Turpentine showed promise as an alternative extraction solvent compared to traditional organic solvents for the extraction of gutta-percha from Eucommia ulmoides barks.

引用

页码：142 / 150

页数：9

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