The efficacy and function of Lanshi

I wonder if you have heard of Lanshi. Lanshi is very beneficial for regulating our body and can also play a good role in treating some diseases. Today let us look at the relevant knowledge about Lanshi.

[Other name] Lanzi (Collected Notes on the Classic of Materia Medica)

[Source] It is the fruit of the Polygonum tinctorium of the Polygonaceae family. The fruits are harvested in autumn when they are ripe and sun-dried.

[Original form] Polygonum tinctorium (Tang Materia Medica), also known as: indigo (Ben Jing).

[Habitat distribution] Growing wild beside ditches in the wilderness. Distributed in Liaoning, Hebei, Shandong, Shaanxi and other places. It is now cultivated from Northeast China to Guangdong.

[Properties] Dry achenes, wrapped in persistent perianth, ovate, about 2 mm long, with three ridges, brown and shiny surface.

【Nature and flavor】 Sweet, cold.

【Entry into meridians】 "Ben Jing Feng Yuan": "enters the liver."

【Functions and indications】 Clears away heat and detoxifies. It is used to treat sore throat caused by fever, rashes, malnutrition, swelling, and furunculosis.

[Usage and Dosage] For oral use: decoct in water, 1 to 3 qian. For external use: grind into powder and apply on skin.

【Note】 "Compendium of Materia Medica" states: "People with cold deficiency, chronic diarrhea, fear of cold, and feeling cold in the abdomen should not take this medicine."

【Discussions by various scholars】 "Ben Jing Feng Yuan": "Ben Jing uses indigo fruit, which is the seed of Daqing, which is the so-called indigo plant. It is extremely yin in nature, bitter and cold in taste, so it can enter the liver. It is specialized in clearing away warm and hot evils, and is a must-have medicine for yang poison, rash and sore throat. The stems and leaves have the same nature and taste, and their main treatments are the same.

[Remarks] The leaves or whole herb (Daqing) of this plant and its processed products (Qingdai, Landigo) are also used for medicinal purposes, please refer to the separate articles for details.

【Excerpt】 《*Dictionary》

[Source] From "Shennong's Herbal Classic"; 1. "Bielu": Indigo, its stems and leaves can be dyed blue, grows in Pingze, Henei.

This is all we have to say about the effects of Lanshi. I hope it will be helpful to you. Although the value of blueberry is very high, we must be cautious when eating it.