葡萄籽经有机溶剂梯度法及酶法提取，大孔树脂初步纯化，薄层色谱法分离纯化得到原花青素单体和二聚体。
The monomer and dimer of proanthocyanidins in grape seeds were obtained by gradient and enzymatic extraction, isolation with macroporous adsorption resin, and purification by TLC.
方法：用薄层色谱法进行了雌三醇梯度试验，雌三醇栓的破坏试验及稳定性检查。
Method: Gradient test of estriol, destroying test and examining stability of estriol suppository were carried out by using thin-layer chromatography.
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