By solvent extraction, column chromatography, and crystallization, fexofenadine (96.3% purity) was obtained with yield 63.5%.

通过对发酵液进行溶媒抽提、柱层析、重结晶，得到纯品，收率达到63.5%，纯度96.3%。

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After column chromatographic separation, re-crystallization treatment and supercritical fluid precipitation treatment, the purity of lutein is improved.

粗提物经柱层析分离，重结晶，再经过超临界流体沉淀处理后，可提高叶黄素的纯度。

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Conclusion: Silica gel column chromatography and crystallization are simple and rapid methods to isolate gardenoside.

结论：柱层析和重结晶方法是简单、速分离栀子苷的有效办法。

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