粮食与油脂
糧食與油脂
양식여유지
CEREALS & OILS
2013年
6期
46-49
,共4页
荞麦壳%黄酮类化合物%表面活性剂―超声波辅助提取
蕎麥殼%黃酮類化閤物%錶麵活性劑―超聲波輔助提取
교맥각%황동류화합물%표면활성제―초성파보조제취
buckwheat hull%flavonoid%surfactant assisted ultrasonic extraction
研究表面活性剂―超声波协同提取荞麦壳黄酮类化合物,以黄酮得率为指标,采用正交实验优化超声波辅助提取荞麦壳黄酮工艺;在此基础上,考察表面活性剂SDS、Tween–20和Tween–80对黄酮得率影响.结果表明,在超声温度80℃、乙醇体积分数40%、超声时间70 min、料液比1∶50、超声功率200 W条件下,黄酮得率为5.176%;添加浓度为1.5 g/L至SDS后,黄酮得率提高至5.445%,表明表面活性剂对超声波提取荞麦壳黄酮具有一定增效作用.
研究錶麵活性劑―超聲波協同提取蕎麥殼黃酮類化閤物,以黃酮得率為指標,採用正交實驗優化超聲波輔助提取蕎麥殼黃酮工藝;在此基礎上,攷察錶麵活性劑SDS、Tween–20和Tween–80對黃酮得率影響.結果錶明,在超聲溫度80℃、乙醇體積分數40%、超聲時間70 min、料液比1∶50、超聲功率200 W條件下,黃酮得率為5.176%;添加濃度為1.5 g/L至SDS後,黃酮得率提高至5.445%,錶明錶麵活性劑對超聲波提取蕎麥殼黃酮具有一定增效作用.
연구표면활성제―초성파협동제취교맥각황동류화합물,이황동득솔위지표,채용정교실험우화초성파보조제취교맥각황동공예;재차기출상,고찰표면활성제SDS、Tween–20화Tween–80대황동득솔영향.결과표명,재초성온도80℃、을순체적분수40%、초성시간70 min、료액비1∶50、초성공솔200 W조건하,황동득솔위5.176%;첨가농도위1.5 g/L지SDS후,황동득솔제고지5.445%,표명표면활성제대초성파제취교맥각황동구유일정증효작용.
Surfactant assisted ultrasonic extraction of flavonoids from buckwheat hull was studied. With the yield of flavonoids as index,ultrasonic extraction of flavonoids from buckwheat hull was optimized by the orthogonal experiments. Under the best conditions,the influences of surfactants of SDS,Tween–20 and Tween–80 on the yield rate of flavonoids were illustrated. The results showed that under the best conditions of extraction temperature 80℃,ethanol volume fraction 40%,ultrasonic time 70 min,solid–liquid 1∶50,ultrasonic power 200 W,the yield of flavonoids was 5.176%,add the concentration of SDS 1.5 g/L,the yield of flavonoids was up to 5.445%. surfactant could improve the yield of ultrasonic extraction of flavonoids from buckwheat hull.
