一种维A酸高效精制方法
本申请公开了一种维A酸高效精制方法,包括以下步骤:S1:将维A酸粗品、去氧胆酸及栀子苷溶于第一溶剂中,加入不良溶剂,降温析晶,过滤,得到维A酸‑去氧胆酸复合物;S2:将所述维A酸‑去氧胆酸复合物溶于水中,加入活性炭进行脱色处理,过滤,调节pH至5.0‑5.5,使维A酸析出;S3:将析出的维A酸溶于第二溶剂中,加入不良溶剂,降温析晶,洗涤,干燥,得到精制维A酸;由此方法对维A酸进行精制能够同时实现高收率与高纯度。
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