HUANG Xiao-ling, ZHENG Zhao-guang, FENG Liang, et al. Optimization of Extraction Process for Total Alkaloids in by Orthogonal Design[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(9): 66-68.
HUANG Xiao-ling, ZHENG Zhao-guang, FENG Liang, et al. Optimization of Extraction Process for Total Alkaloids in by Orthogonal Design[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(9): 66-68. DOI: 10.11653/syfj2013090066.
Objective: To optimize ultrasonic extraction process of total alkaloids in Isatis indigotica. Method: With extraction amount of total alkaloids as index
effects of ethanol concentration
liquid-solid ratio
ultrasonic time on extraction technology was investigated by by L9(34) orthogonal test. Result: The influencing order of each factors on ultrasonic-assistant extraction process of total alkaloids was ethanol concentration>extraction time>liquid-solid ratio. Optimum extraction process was as following:extracted 20 min with 10 times the amount of 80% ethanol. Conclusion: This optimized technology was stable and feasible with high extraction rate.