北京工商大学学报:自然科学版
北京工商大學學報:自然科學版
북경공상대학학보:자연과학판
Journal of Beijing Technology and Business University:Natural Science Edition
2012年
2期
17-21
,共5页
莲子%低聚糖%超声波辅助提取%响应面分析
蓮子%低聚糖%超聲波輔助提取%響應麵分析
련자%저취당%초성파보조제취%향응면분석
lotus seed%oligosaccharides%ultrasonic-assisted extraction%response surface methodology
采用响应面分析法对超声辅助提取莲子低聚糖工艺参数进行优化.研究了超声波功率(300-500 W)、料液比(g/mL)1∶15-1∶25和提取时间(30-50 min)对超声辅助提取莲子低聚糖得率的影响,对实验数据进行回归分析,优化工艺参数.结果表明:超声辅助提取各试验因素对莲子低聚糖得率的影响次序为料液比〉超声波功率〉提取时间.优化所得莲子低聚糖超声波辅助提取较佳工艺参数为:超声波功率320 W,液料比1∶25,提取时间48 min,在该条件下,低聚糖得率为1.13%.与热回流提取法和微波辅助提取法相比,超声辅助提取法使莲子低聚糖得率分别提高66.18%和29.88%.
採用響應麵分析法對超聲輔助提取蓮子低聚糖工藝參數進行優化.研究瞭超聲波功率(300-500 W)、料液比(g/mL)1∶15-1∶25和提取時間(30-50 min)對超聲輔助提取蓮子低聚糖得率的影響,對實驗數據進行迴歸分析,優化工藝參數.結果錶明:超聲輔助提取各試驗因素對蓮子低聚糖得率的影響次序為料液比〉超聲波功率〉提取時間.優化所得蓮子低聚糖超聲波輔助提取較佳工藝參數為:超聲波功率320 W,液料比1∶25,提取時間48 min,在該條件下,低聚糖得率為1.13%.與熱迴流提取法和微波輔助提取法相比,超聲輔助提取法使蓮子低聚糖得率分彆提高66.18%和29.88%.
채용향응면분석법대초성보조제취련자저취당공예삼수진행우화.연구료초성파공솔(300-500 W)、료액비(g/mL)1∶15-1∶25화제취시간(30-50 min)대초성보조제취련자저취당득솔적영향,대실험수거진행회귀분석,우화공예삼수.결과표명:초성보조제취각시험인소대련자저취당득솔적영향차서위료액비〉초성파공솔〉제취시간.우화소득련자저취당초성파보조제취교가공예삼수위:초성파공솔320 W,액료비1∶25,제취시간48 min,재해조건하,저취당득솔위1.13%.여열회류제취법화미파보조제취법상비,초성보조제취법사련자저취당득솔분별제고66.18%화29.88%.
Ultrasonic-assisted extraction(UAE) of oligosaccharides from lotus(Nelumbo nucifera Gaertn.) seeds(LSO) was studied in this paper.The three parameters,ultrasonic power(300~500 W),solid to liquid ratio(g/mL) 1∶15~1∶25,and extraction time(30~50 min),were optimized using the Box-Behnkens Design(BBD) with a quadratic regression model built by Response Surface Methodology(RSM).The order of three parameters on the LSO yield was as follows: solid to liquid ratioultrasonic powerextraction time.The highest oil yield,1.13%(w/w),was obtained under optimal conditions for ultrasonic power,solid to liquid ratio,and extraction time at 320 W,1∶25,and 48 min,respectively.The LSO yield extracted by UAE was significantly higher than that by using hot water extraction(HWE: 68.18%) and microwave-assisted extraction(MAE: 29.88%).