Introduction of Hua Shi:Talc or Talcumn.

TCM Herbalism:Medicinals and Classifications. ✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.

Classifications of Herbs:Diuretics and Hydragogues Herbs:Herbs Diuretics.

 TCM Herbs Icon09 Introduction: Herbs Diuretics: also known as damp-draining diuretic herbs,an agent or substance herbs that increases urine excretion and water discharge for treating internal retention of dampness.

 
Talcumn(Talc).

Talcumn Pin Yin Name: Huá Shí.
 English Name: Talc.
 Latin Name: Talcumn.
 Property and flavor: cold, tasteless, sweet.

 Brief introduction: The herb Talcumn is a very soft mineral composed mainly of hydrous magnesium silicate, used to induce diuresis, clear summer-heat and dispel damp in the treatment of summer afflictions, watery diarrhea, oliguria, and urinary infection, and also externally for treating eczema and miliaria. The herb is commonly known as Talcumn, Talc, Huá Shí.

 Mineral source: Official herbal classics and other famous herbal classics defined the herb Talcumn(Talc) as the blocks of the (1).talc. It is a kind of mineral composed mainly of hydrous magnesium silicate. It is introduced as:

 (1).Talc.:
 Mineral description: It is also known as Talc powder, Huá Shí. Monoclinic system. The crystals are hexagonal or rhomboid, but intact crystals are rare, usually granular and scaly dense masses. Light green, white, or gray. Streaks of white or light green. Glossy fat shape, cleavage surface shows pearl shape. Translucent to opaque. Cleavage is complete along the bottom. Hardness is 1, specific gravity is 2.7~2.8. Property is soft, has a slippery and greasy feeling. A piece of talc can be sawn into any shape, and the sheet is flexible but inelastic.

 Talcumn Ecological environment: The mineral is found mainly in metamorphic rocks, limestone, dolomite, magnesite, and shale. Resources distribution: It distributes in the Zhujiang river area, the lower reaches area of the Yangtze River, north and northwest area, and other areas of China.

 Characters of herbs: (1).Talc: For dense block, scale-like aggregation, irregular block or flat block. White, yellow-white or light gray to light blue. Translucent or opaque. Wax-like luster, some pearl luster. Soft and delicate, can be written on hard paper, the hand feels smooth. No hygroscopic, no collapse in water. Without smell, no taste, have a slight cool feeling. The herb clean, white, smooth, no mixed stone is better. (2).Talc powder is a fine, sandless powder, white or quasi-white. The hand feels greasy. Odorless, tasteless. Fine powder, white color, no impurity is preferred.

 Pharmacological actions: Antimicrobial effect: in vitro, 10% talc powder has an inhibitory effect on Bacillus typhi and Bacillus paratyphosus A.

 Medicinal efficacy: Diuresis and treating stranguria, clearing heat and relieving summer heat, excreting dampness, promoting defecation and urination, clearing damp convergence sores. It is indicated for pyretic stranguria(heat stranguria), urolithic stranguria, urine heat and astringent pain, hygropyrexia of bladder(dampness-heat of bladder), summer-heat and damp, polydipsia, dampness-heat and watery diarrhea, dysuria(difficulty in micturition), diarrhea, heat dysentery, gonorrhea, jaundice, edema, epistasis, beriberi, externally treatment of eczema, wet sores, prickly heat(heat rash), wet skin and rotten, etc.

 Administration of Talcumn(Huá Shí): 
 
Reference: Administration Guide of Talcumn(Huá Shí)
TCM Books: Internally:10~20 grams.Externally:proper amount(CP),Internally:water decoction,wrapped to decoct,3~4 qian(about 9~12 grams),or prepare to pill,powder.Externally:grinded into fine powder,smear or apply stick(DCTM),Internally:water decoction,9~24 grams, wrapped to decoct,or prepare to pill,powder.Externally:proper amount,grinded into fine powder,smear or apply stick(CHMM).

 
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References:
  • 1.Introduction of Hua Shi:Talc or Talcumn.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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