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Extraction of colchicine from Gloriosa superba tubers: a comparison of conventional and microwave-assisted extraction
Journal of Microwave Power and Electromagnetic Energy ( IF 1.5 ) Pub Date : 2019-01-02 , DOI: 10.1080/08327823.2019.1570450
Poonam Agrawal 1 , Kirti Laddha 1
Affiliation  

Abstract The present work envisages assessment of microwave assisted extraction (MAE) followed by comparison with that of conventional methods for effective extraction of colchicine from Gloriosa superba tubers. Subsequently, optimum conditions for MAE were determined using response surface methodology by employing Box-Behnken design. The observed optimal conditions for efficient extraction of colchicine using microwave were 15 min, 245 W and 100% methanol which showed 0.64% colchicine as compared to conventional with 0.48% by heat reflux extraction. Assessment of extraction techniques revealed that significant amount of time and energy could be saved using MAE, whilst lesser amount of organic solvent consumption showed an eco-friendly nature.

中文翻译:

从嘉兰块茎中提取秋水仙碱:传统和微波辅助提取的比较

摘要 目前的工作设想对微波辅助提取 (MAE) 进行评估,然后与从 Gloriosa 马铃薯块茎中有效提取秋水仙碱的常规方法进行比较。随后,通过采用 Box-Behnken 设计,使用响应面方法确定 MAE 的最佳条件。观察到的使用微波有效提取秋水仙碱的最佳条件是 15 分钟、245 W 和 100% 甲醇,与传统的 0.48% 的热回流提取相比,显示 0.64% 的秋水仙碱。对提取技术的评估表明,使用 MAE 可以节省大量的时间和能源,而较少量的有机溶剂消耗则显示出生态友好的性质。
更新日期:2019-01-02
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