Objective To investigate the spraying dry process of Licorice extract. Methods The effects of inlet temperature,outlet temperature and specific gravity of the extract on the spraying dry process of Licorice extract were inspected by L9(34) orthogonal experiment with powder amount,Iiquiritin and Glycyrrhizic acid contents as well as moisture content as the indexes. Results The optimal spraying dry process was: inlet temperature as 180℃,outlet temperature as 90℃ and specific gravity as 1.15. Conclusion The optimal spraying dry process is rational,stable and provided experiment base for industrial production.%目的 研究甘草浸膏的喷雾干燥工艺.方法 采用L9(34)正交设计法,以喷雾粉出粉量、甘草苷和甘草酸的含量以及水分为检测指标,考察进风口温度、出风口温度、浸膏比重对甘草浸膏喷雾干燥的影响.结果 优选喷雾干燥工艺为:进风口温度150℃、出风口温度90℃、浸膏比重1.15.结论 该工艺合理、稳定,为工业化生产提供了实验依据.
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