Now we are slowly draining this liquid through filter paper in the pavilion and we almost have our precious indigo pigment.
现在在观心亭里，我们用滤纸过滤液体，就要得到我们珍贵的靛蓝染料了！
I had been expecting it to be greener because indigo is not supposed to turn blue until it comes in contact with oxygen, however, perhaps oxygen was already diffusing into the liquid of the dye bath.
我本来觉得它应该要更绿一点，因为靛蓝在接触氧之前是不会变蓝色的。也许在“染色浴”中的液体已经混进来一些氧了。
OBJECTIVE: To study the optimal extraction method of indigo naturalis in liquid compound preparation.
前言： 目的：优选青黛复方液体制剂的最佳提取方法。
METHODS Contrasting with Indigo Blue and Indirubin, Radix Isatidis Herbs and Radix Isatidis Oral Liquid were identified by TLC.
方法采用薄层色谱法，以靛蓝、靛玉红为对照品，对制剂投料用板蓝根饮片及成品板蓝根口服液进行薄层鉴别。
METHODS Contrasting with Indigo Blue and Indirubin, Radix Isatidis Herbs and Radix Isatidis Oral Liquid were identified by TLC.
方法采用薄层色谱法，以靛蓝、靛玉红为对照品，对制剂投料用板蓝根饮片及成品板蓝根口服液进行薄层鉴别。
应用推荐