栀子花香精成分的超声提取工艺研究

目的优选栀子花香精成分的超声提取工艺。方法采用超声波提取栀子花挥发油,使用正交试验设计优选提取工艺方案,以具有代表性的近7.7 min的共有色谱峰的化学成分含量为指标,采用L_9(4~3)正交试验表对提取溶剂用量、浸泡时间、超声提取时间、提取次数4个影响因素进行考察,通过气相色谱仪进行提取物分析,选取具有代表性的接近7.7 min的共有色谱峰进行对比。结果其最佳工艺为:采用无水乙醇提取,栀子花与溶剂比为1:15,浸泡时间60 min,超声提取时间为60 min,提取2次。结论该方法操作简便,重复性好,栀子花提取物气味芳香,可用于栀子花香精成分日化用品的提取制备。

EXTRACTION PROCESS OF THE ESSENCE COMPONENTS FROM GARDENIA JASMINOIDES FLOWERS

Objective: To optimize the extraction process of Gardenia jasminoides flowers by ultrasonic extraction. Methods: Using the ultrasonic extraction with the extraction components as index, the extracting process of G. jasminoides flowers was optimized by the orthogonal design. The following four factors were considered: amount of solvent, soaking time, extracting time and extraction times, and the essence contents of G. jasminoides flowers were determined by the common and characteristic chromatographic peak of GC around 7.787min. Results: The optimized extraction process of G. jasminoides flowers is using 15 times solvent of the flowers, soaking 60 min, extracting 60 min, and extracting twice. Conclusion: The extracting method is stable and easy to operate. The extraction is fragrant, and the solvent (alcohol) is harmless to human body. So it can be used for preparation of the daily cosmetic products of G. jasminoides flowers.