响应面法优化毛竹笋壳中木质素的提取工艺

doi:10.19677/j.issn.1004-7964.2019.06.009

皮革科学与工程 ›› 2019, Vol. 29 ›› Issue (06): 47-52.doi: 10.19677/j.issn.1004-7964.2019.06.009

响应面法优化毛竹笋壳中木质素的提取工艺

刘娣¹, 泮家浩², 王亚娟^2*, 仇丹^1,2*, 邵双喜¹

1.宁波工程学院奉化研究院,浙江宁波 315500;
2.宁波工程学院材料与化学工程学院,浙江宁波 315211

收稿日期:2019-05-28 出版日期:2019-12-28 上线日期:2020-03-27
作者简介:刘娣(1992-),女,硕士,E-mail:1239663705@qq.com。
基金资助:
奉化区农业与社会发展科技项目(20186413);宁波工程学院奉化研究院科学基金(FHI-018112)

Optimization of Lignin Extraction from Bamboo Shoot Shell by Response Surface

LIU Di¹, PAN Jiahao², WANG Yajuan^2*, QIU Dan^1,2*, SHAO Shuangxi¹

1. Fenghua Institute, Ningbo University of Technology, Ningbo 315500, China;
2. School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo 315211, China

Received:2019-05-28 Published:2019-12-28 Online:2020-03-27

摘要/Abstract

摘要： 测定了竹笋壳脂蜡质、水溶物、果胶质、半纤维素、纤维素以及Klason木质素的含量,应用响应面法研究了醋酸提取法提取毛竹笋壳中木质素的最佳工艺条件,并使用傅里叶变换红外光谱、核磁共振氢谱分析提取的木质素结构特征。以单因素实验考察料液比、提取时间、醋酸体积分数和浓盐酸添加量对木质素提取量的影响。在单因素实验的基础上,用Box-Benhnken设计对木质素提取工艺进行优化分析,建立了良好的数学模型。实验结果表明,脂蜡质、水溶物、果胶质、半纤维素、Klason木质素、纤维素的含量分别为12.9%、10.3%、6.9%、20.8%、17.8%、20.3%;醋酸法提取木质素的最优工艺为提取时间为99min,盐酸添加量为4%,料液比为1/19(g/mL),醋酸体积分数为91.6%,提取量为288.6mg,提取率达84.7%。

关键词: 毛竹笋壳, 成分分析, 木质素, 提取, 响应面

Abstract: The content of fat wax, water soluble, pectin, hemicellulose, cellulose and Klason lignin in bamboo shoots determined. The optimum process for extracting lignin from bamboo shoots by acetic acid extraction method was studied by response surface methodology. The optimum conditions for extracting lignin from bamboo shoots by acetic acid extraction method were studied by response surface methodology. The structural characteristics of lignin extracted by Fourier transform infrared spectroscopy and nuclear magnetic resonance spectroscopy were analyzed. The effects of liquid-to-material ratio, extraction time, acetic acid volume fraction and concentrated hydrochloric acid addition on the extraction amount of lignin were investigated by single factor experiment. Based on the single factor experiment, the Box-Benhnken design was used to optimize the lignin extraction process and a good mathematical model was established. The results showed that the contents of lipid wax, water soluble, pectin, hemicellulose, Klason lignin and cellulose were 12.9%,10.3%,6.9%,20.8%,17.8% and 20.3%, respectively. The optimum process for lignin is 99 min extraction time, 4% hydrochloric acid addition, material to liquid ratio of 1/19(g/mL), acetic acid volume fraction of 91.6%, extraction volume of 288.6mg, extraction rate of 84.7%.

Key words: bamboo shoot, component analysis, lignin, extraction, response surface

中图分类号:

O636.2

刘娣, 泮家浩, 王亚娟, 仇丹, 邵双喜. 响应面法优化毛竹笋壳中木质素的提取工艺[J]. 皮革科学与工程, 2019, 29(06): 47-52.

LIU Di, PAN Jiahao, WANG Yajuan, QIU Dan, SHAO Shuangxi. Optimization of Lignin Extraction from Bamboo Shoot Shell by Response Surface[J]. Leather Science and Engineering, 2019, 29(06): 47-52.

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响应面法优化毛竹笋壳中木质素的提取工艺

Optimization of Lignin Extraction from Bamboo Shoot Shell by Response Surface

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