黄粉虫中甲壳素和壳聚糖的提取工艺研究

山东大学学报(工学版)

黄粉虫中甲壳素和壳聚糖的提取工艺研究

窦珍伟, 刘宝^*, 孟宪武, 于丽丽, 公绪春

山东大学化学与化工学院, 山东济南 250061

收稿日期:2008-06-25 修回日期:1900-01-01 出版日期:2008-10-16 发布日期:2008-10-16
通讯作者: 刘宝

Study on extraction technology of chitin and chitosan from Tenebrio molitor

DOU Zhen-wei, LIU Bao^*, MENG Xian-wu

School of Chemistry and Chemical Engineering, Shandong University, Jinan 250061, China

Received:2008-06-25 Revised:1900-01-01 Online:2008-10-16 Published:2008-10-16
Contact: LIU Bao

摘要/Abstract

摘要： 以微波干燥的黄粉虫为原料, 研究了索氏抽提法提取油脂、碱法脱除蛋白质、酸浸法去除灰分、次氯酸钠脱色和浓碱法脱乙酰基制备甲壳素和壳聚糖的工艺. 系统分析了不同工艺条件对甲壳素的残留蛋白质含量、灰分含量,壳聚糖的脱乙酰度、粘度的影响,得出制备甲壳素和壳聚糖的最佳工艺条件,以期为工业生产提供依据.

关键词: 黄粉虫, 甲壳素, 壳聚糖, 提取工艺, 红外光谱

Abstract: With the powder of microwave dried Tenebrio molitor as starting material, the extraction technology of chitin and chitosan was studied by adopting soxlet extraction method to extract oil, using the acid leaching method to remove ash, sodium hydroxide solution to remove protein, sodium hypochlorite to decolorize samples, and NaOH solution to deacetylate the product. The effects of different extraction conditions on residual protein content, ash content, degree of deacetylation and viscosity of chitin and chitosan were systematically analyzed. The optimum conditions were obtained.

Key words: Tenebrio molitor, chitin, chitosan, extraction conditions, FT-IR spectra

中图分类号:

TS201.2

窦珍伟,刘宝,孟宪武,于丽丽,公绪春 . 黄粉虫中甲壳素和壳聚糖的提取工艺研究[J]. 山东大学学报(工学版), 2008, 38(5): 107-112 .

DOU Zhen-wei,LIU Bao*,MENG Xian-wu . Study on extraction technology of chitin and chitosan from Tenebrio molitor[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2008, 38(5): 107-112 .

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