超声辅助DES提取人参皂苷Rb1与Rd的工艺优化及抗氧化活性研究
周立稳 , 彭效明 , 付伟凭 , 居瑞军 , 杨思敏 , 严晓强 , 管洁
现代化工 ›› 2026, Vol. 46 ›› Issue (5) : 93 -101.
超声辅助DES提取人参皂苷Rb1与Rd的工艺优化及抗氧化活性研究
Optimization of ultrasound-assisted DES extraction process for ginsenoside Rb1 and Rd and study on their antioxidant activities
采用深共熔溶剂(DES)辅助超声技术优化三七中人参皂苷Rb1和Rd的提取工艺。通过单因素实验和响应面法优化得到最优条件:甜菜碱/尿素DES(摩尔比1∶2),添加量9.3%(体积分数),含水量30%,超声功率500 W,温度61.2℃,时间9.8 min,料液比1∶20 g/mL。在此条件下,人参皂苷Rb1和Rd的提取率分别为(36.07±0.16) mg/g和(8.93±0.05) mg/g,较传统乙醇回流法分别提高41.75%和55.69%。体外抗氧化实验表明,4 g/L提取物对DPPH和ABTS+自由基的清除率分别为79.21%和95.59%,总还原能力(0.759)接近维生素C对照组(0.972)。分子模拟显示,人参皂苷Rd与DES的氢键作用更强(结合能-265 kJ/mol),为高效绿色提取人参皂苷及其后续开发提供了理论和实践基础。
The extraction process of ginsenosides Rb1 and Rd from Panax notoginseng was optimized using deep eutectic solvent (DES) assisted ultrasonic technology.The optimal conditions were obtained through single factor experiments and response surface methodology∶betaine/urea DES (molar ratio 1∶2),addition amount of 9.3% (v/v),water content 30%,ultrasonic power 500 W,temperature of 61.2℃,time 9.8 min,and solid-to-liquid ratio 1∶20 g/mL.Under these conditions,the yields of ginsenosides Rb1 and Rd were 36.07±0.16 mg/g and 8.93±0.05 mg/g,respectively,which were 41.75% and 55.69% higher than those obtained using the traditional ethanol reflux method.In vitro antioxidant experiments showed that the scavenging rates of 4 g/L extract on DPPH and ABTS+ radicals were 79.21% and 95.59%,respectively,and the total reducing power (0.759) was close to that of the vitamin C control group (0.972).Molecular simulation revealed that ginsenoside Rd had a stronger hydrogen bonding interaction with DES (binding energy -265 kJ/mol).This study provides a theoretical and practical basis for the efficient and green extraction of ginsenosides and their subsequent development.
人参皂苷Rb1 / 分子模拟 / 抗氧化活性 / 提取工艺优化 / 深共熔溶剂 / 人参皂苷Rd
ginsenoside Rb1 / molecular simulation / antioxidant activity / optimization of extraction process / deep eutectic solvent / ginsenoside Rd
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国家自然科学基金项目(21406015)
北京市教委科技计划一般项目(KM202210017011)
北京市教委科技计划一般项目(KM202310017009)
北京石油化工学院校内学科平台建设项目(2019XK006)
北京石油化工学院交叉科研探索项目(BIPTCSF-2023008)
北京石油化工学院致远科研基金(2023013)
北京石油化工学院致远科研基金(2024105)
北京石油化工学院致远科研基金(2025103)
北京市科协青年人才托举工程项目(BYESS2023259)
大学生创新创业训练计划项目(2022X00150)
大学生创新创业训练计划项目(2024J00293)
大学生创新创业训练计划项目(2024J00276)
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