White jade cake is a kind of medicine.

1 qian for white aconite, 1 qian for Nanxing, 1 qian for talc, 1 qian for light powder, and 19 pills of Ba Shuang.

Excerpt from Volume 8 of "Introduction to Medicine"

The medicinal composition of white jade pancakes: 2 taels of cold stone noodles, 1 tael of white talc, 12 crotons (with oil removed), and 12 pinellia pinellia ( Soak 7 times). Source of prescription: Volume 10 of "The Wonderful Prescriptions for Preserving Health". Indications of the prescription: vomiting and diarrhea in children. Preparation method: Make powder on top, boil water to form pills, as big as mung beans, and make cakes. Usage and dosage: Take 1 and a half cakes per year, along with dried ginger soup, at any time. Do not take it for those over 5 years old.

Ingredients of Chinese medicinal materials

There are many types of Chinese medicinal materials with a wide range of sources. Various medicinal materials have a variety of chemical components. According to their pharmacological effects and composition properties, the components of Chinese medicinal materials can be summarized. It is divided into the following aspects:

Active ingredients: substances that have biological activity and exert main medicinal effects, such as alkaloids, glycosides, and volatile oils.

Auxiliary ingredients: Substances that have no special therapeutic effects themselves, but can enhance or moderate the efficacy of active ingredients. For example, the saponins in digitalis can help digitalis glycosides dissolve or promote their absorption.

Invalid ingredients: refers to substances that are ineffective or even harmful in themselves, and often affect the leaching effect, preparation stability, efficacy, etc.

Tissue material: insoluble matter that makes up cells, such as fiber, cork, etc.

Most traditional Chinese medicine preparations are compound prescriptions. The clinical efficacy of traditional Chinese medicine compound prescriptions is usually reflected in the comprehensive effect of the compatibility of the compound prescriptions. The composition of the prescriptions ranges from a few to dozens of herbs, and the ingredients are complex. Leaching is to try to extract ingredients that exert medicinal effects and try to avoid leaching too many ineffective or even harmful substances. However, with the development of traditional Chinese medicine science, the boundaries between "ineffective" and "effective" are not static. In different prescriptions, Subject to change.

Reference for the above content: Baidu Encyclopedia-Chinese Medicinal Materials