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目的 :改进柳珊瑚酸的提取工艺。方法 :用 1%NaHCO3 溶液提取 ,苯萃取除杂后酸化 ,再用石油醚 -乙酸乙酯混合液萃取、精制的方法提取柳珊瑚酸。结果 :改进后的工艺得率为 0 36 %。结论 :新工艺提高了得率 ,简化了流程 ,降低了提取成本。
Objective: To improve the extraction process of yogic acid. Methods : Extraction with 1% NaHCO3 solution, acidification after benzene extraction and impurity removal, and extraction and refining of oleuthylic acid with petroleum ether-ethyl acetate mixture. Results: The improved process yield was 0 36%. Conclusion: The new process improves the yield, simplifies the process and reduces the extraction costs.