Pao Zhi - Methods of Preparation

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Your patient complains of heavy periods that last for seven days. You decide to give her Pu Huang (typhae pollen) to stop the bleeding. How could you prepare Pu Huang in order to enhance its ability to stop bleeding?
There are many herbs with the action of stopping bleeding, and charring these herbs is common a way to enhance this property.

Source: Bensky, D. (2004). Chinese Herbal Medicine: Materia Medica. Seattle, WA: Eastland Press. pp. 564 [Q513]