Przewalskia, Thang phrom dkar po ཐང་ཕྲོམ་དཀར་པོ་Thang phrom dkar po (Tibet)Ma Niao Pao, Ma Sui Pao (TCM) |
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Botanical name:
Przewalskia tangutica (syn. P. roborowskii, Mandragora shebbearei)
Various types of Thang phrom are used in Tibetan Medicine:
- Thang phrom dkar po (‘White’): Przewalskia tangutica
- Thang phrom: Datura stramonium
- Thang phrom nag po (‘Black’): Anisodus tanguiticus
- Thang phrom lang thang rtse: Hyoscymaus niger (Henbane)
Parts used:
Prepared Seed, Root; sometimes the whole plant
Temperature & Taste:
Cool, dry. Bitter, Sweet
Constituents:
Tropane alkaloids (2–4%), principally hyoscyamine
Classification:
Uses:
1. Clears Heat, Relieves Spasms, Eases Pain:
-Stomachache
-Gastrointestinal pain and spasm
-Cholecystitis,
-Acute and Chronic Gastroenteritis
-topically and internally for various types of pain
-also Mania
2. Clears Heat and Toxin, Disperses Swellings:
-Diphtheria
-Toxic Sore and Swellings (TCM, Tibet)
-itchy and inflamed skin
3. Benefits the Kidneys:
-restores virility
-Aphrodisiac (seed, Tibet)
4. Externally:
-topically to inflammations, swellings, toxic sores, carbuncles, furuncles
-Toothache
Dose:
1. Doses are similar to Henbane
2. Seed or Root can be used in similar doses
Powdered Prepared Seed: 150–350mg
Powdered Root: 100–250mg
Used externally in fomentations, plasters etc.
Substitute:
1. Henbane
2. Physochlaina physaloides (Buryat and Mongolia)
Preparation:
The seeds are stir-fried until yellowish which helps to reduce toxicity. (Tibet)
Main Combinations:
1. Gastrointestinal pain and spasm, Przewalskia with Cotus, Coptis
2. To warm the Kidney Yang and as an Aphrodisiac Przewalskia seed, Mirabilis himalaica, Gymnadenia, Cynomorium songaricum
Major Formulas:
Przewalskia 11 (Thang phrom bcu gchig)
Cautions:
Toxic in overdose. Contains tropane alkaloids. The roots have the highest alkaloid content.