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Study on the Efficient Extraction Technology of Sugarcane Tops Hemicellulose
Received:July 03, 2024  Revised:August 19, 2024
DOI：10.11981/j.issn.1000-6842.2026.01.01
Key Words:sugarcane tops;hemicellulose;multi-component decrystallizing depolymerization agent;extraction
Fund Project:国家自然科学基金（21766004）。
Author NameAffiliationPostcode
FU Yulu* 1School of Chemistry and Chemical Engineering， Guangxi Key Lab for Polysaccharide Materials and Modification， Guangxi Minzu University， Nanning， Guangxi Zhuang Autonomous Region， 530006 530006
ZHAGN Jian 1School of Chemistry and Chemical Engineering， Guangxi Key Lab for Polysaccharide Materials and Modification， Guangxi Minzu University， Nanning， Guangxi Zhuang Autonomous Region， 530006
2Office of Development Planning， Guangxi University of Chinese Medicine， Nanning， Guangxi Zhuang Autonomous Region， 530200 		530200
LIN Rihui* 1School of Chemistry and Chemical Engineering， Guangxi Key Lab for Polysaccharide Materials and Modification， Guangxi Minzu University， Nanning， Guangxi Zhuang Autonomous Region， 530006 530006
YAO Xianchao* 1School of Chemistry and Chemical Engineering， Guangxi Key Lab for Polysaccharide Materials and Modification， Guangxi Minzu University， Nanning， Guangxi Zhuang Autonomous Region， 530006 530006
LIU Rumeng 1School of Chemistry and Chemical Engineering， Guangxi Key Lab for Polysaccharide Materials and Modification， Guangxi Minzu University， Nanning， Guangxi Zhuang Autonomous Region， 530006 530006
LIU Xiaoxia 1School of Chemistry and Chemical Engineering， Guangxi Key Lab for Polysaccharide Materials and Modification， Guangxi Minzu University， Nanning， Guangxi Zhuang Autonomous Region， 530006 530006
LI Xiangyi 1School of Chemistry and Chemical Engineering， Guangxi Key Lab for Polysaccharide Materials and Modification， Guangxi Minzu University， Nanning， Guangxi Zhuang Autonomous Region， 530006 530006
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Abstract:
      Utilizing sugarcane tops as raw material， a major agricultural waste product in Guangxi， the multi-component decrystallizing depolymerization agent pretreatment effectively disrupted the stable and compact structure of the lignocellulose components in sugarcane tops. Subsequently， the hemicellulose component of sugarcane tops was efficiently separated and extracted via water extraction/alcohol precipitation method. The pretreatment conditions for extracting hemicellulose in the sugarcane tops were optimized through single-factor and orthogonal experiments. The results showed that the optimum extraction process conditions were 200 μL for multi-component decrystallizing depolymerization agent dosage， 35% for sugarcane tops moisture content， 120 ℃ for pretreatment reaction temperature， and 3 h for reaction time. Under the optimized conditions， the extraction yield of hemicellulose from the sugarcane tops reached (14.0±0.5)%. The Fourier Transform Infrared Spectroscopy， Scanning Electron Microscopy， and Thermogravimetric Analysis indicated that the main chemical structure of the extracted hemicellulose from the sugarcane tops was nearly undamaged after multi-component decrystallizing depolymerization agent pretreatment and it exhibited good thermal stability.
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