CAJ | 학술논문

采用乙醇提取法提取通关藤中的总黄酮，利用正交试验研究提取温度、料液比、提取时间、乙醇体积分数对通关藤中总黄酮提取率的影响。结果表明，影响总黄酮提取率的因素依次为乙醇体积分数＞料液比＞提取时间＞提取温度，最佳工艺为乙醇体积分数70％，料液比1∶20，提取时间3 h ，提取温度70℃，在最佳提取工艺条件下提取率为40.22 m g/g。
채용을순제취법제취통관등중적총황동，이용정교시험연구제취온도、료액비、제취시간、을순체적분수대통관등중총황동제취솔적영향。결과표명，영향총황동제취솔적인소의차위을순체적분수＞료액비＞제취시간＞제취온도，최가공예위을순체적분수70％，료액비1∶20，제취시간3 h ，제취온도70℃，재최가제취공예조건하제취솔위40.22 m g/g。
In this paper ,ethanol extraction was used to obtain total Marsdenia tenacissima fla-vonoids ,with rutin as control sample .The experiment used the orthogonal experimental design method to analyze the optimal extraction process of flavonoids from M .tenacissima .There were four factors affecting extraction efficiency ,i .e .,the material ratio ,extracting time ,extraction tem-perature and mass fraction of ethanol .The results showed that the order of the four factors was :mass fraction of ethanol ,material liquid ratio ,extraction time ,and extraction temperature .The op-timum technology was :the extraction temperature of 70 ℃ ,material liquid ratio of 1∶20 ,mass fraction of ethanol 70% ,and extracting time 3 h .The extraction rate reached 40.22 mg/g in the best extraction conditions .