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