文章摘要
Research on Extraction Process of Eucommia Ulmoides Gum Based on Natural Deep Eutectic Solvents Pretreatment
Received:March 20, 2024  Revised:March 20, 2024
DOI：10.12136/j.issn.1000-890X.2025.12.0946
Key Words: Eucommia ulmoides gum；NADES；pretreatment；extraction process
Author NameAffiliationE-mail
QU Pengkun* Plant Conservation Technology Center,Guizhou Key Laboratory of Agricultural Biotechnology,Guizhou Academy of Agricultural Sciences 1392149961@qq.com 
ZHAO Degang Plant Conservation Technology Center,Guizhou Key Laboratory of Agricultural Biotechnology,Guizhou Academy of Agricultural Sciences  
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Abstract:
      The extraction process conditions of Eucommia ulmoides gum using natural deep eutectic solvents（NADES） pretreatment were investigated.Based on single-factor test，orthogonal test and response surface test were employed to optimize the process.The results indicated that when NADES was composed by choline chloride/glucose with molar ratio of 1/2，the pretreatment temperature had the greatest effect on extraction rate of Eucommia ulmoides gum，followed by the material-to-liquid ratio and pretreatment time.The optimal pretreatment temperature obtained from the response surface test was 103 ℃，the material-to-liquid ratio was 1/22 g·mL-1，and the pretreatment time was 2.3 h，and the extraction rate of Eucommia ulmoides gum was 13.73% in verification test.On this basis，reflux extraction process was further optimized，and the best extraction time was 4 h，the extraction cycle was 1，and the solid-to-liquid ratio was 1/25 g·mL-1.Under the combined optimized conditions，the overall extraction rate of Eucommia ulmoides gum reached 14.85%.NADES pretreatment coupled with reflux extraction could significantly enhance the extraction efficiency of Eucommia ulmoides gum，providing reference for its efficient development and utilization.
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