Medicina China HoyTraditional Chinese Medicine
Medicinal herb · Heat Clearing

Tiān Huā Fěn · Trichosanthes Root

Tiān Huā Fěn (天花粉, Trichosanthes Root) is a herb of Cool nature and Bitter, Sweet flavor, in the “Heat Clearing” category. Tradition uses it to clear heat and generate fluids, Reducir el fuego y destoxificar, Expel pus and reduce swelling.

天花粉 · Tiān Huā FěnUpdated on

Energetic profile

Pinyin name
Tiān Huā Fěn
Characters
天花粉
Botanical name
Trichosanthes kirilowii Maxim.
Family
Cucurbitaceae
Part used
Root
Nature
Cool
Flavor
Bitter, Sweet
Meridians
Lung, Stomach
Category
Heat Clearing
Toxicity
Non-toxic
Pregnancy
Avoid
Origin
China, Japan

Actions according to tradition

  • Clear heat and generate fluids
  • Reducir el fuego y destoxificar
  • Expel pus and reduce swelling

Traditional uses

  • Intense thirst with high fever and dry throat (Qi level)
  • Thirst and wasting disorder (Xiao Ke/diabetes)
  • Lung abscess with cough productive of pus
  • Carbuncles and boils with heat-toxin
  • Constipation due to dry fluids

Studied effects and current applications

  • Generates fluids to relieve intense thirst due to heat
  • Reduces fever and cools the heat of the Lung and Stomach
  • Expels pus from lung abscesses and carbuncles
  • Propiedades hipoglucemiantes
  • Anti-inflammatory and anti-tumor (modern research)

Applications under investigation

  • Diabetes mellitus (Xiao Ke)
  • Lung infections with abscess
  • Fever in infectious diseases
  • Cancer (trichosanthin research)
  • Artritis reumatoide

An effect being investigated does not mean it has been proven in humans.

Contraindications and adverse effects

Absolute contraindications

  • Pregnancy (absolute contraindication)
  • Spleen deficiency with diarrhea due to cold
  • cold pattern

Relative contraindications

  • Hypotension
  • Allergy to melon or pumpkin proteins (possible cross-reactivity)
Pregnancy
Absolutely CONTRAINDICATED in pregnancy. Trichosanthin can induce abortion (medical use as an abortifacient in China).
Breastfeeding
Avoid during breastfeeding.
Children
Safe for children in febrile infections with intense thirst. Reduce dose.
Older adults
Useful for elderly people with chronic thirst and fever. Caution with cold Spleen.

Possible adverse effects

  • Diarrhea due to cold nature
  • Allergic reactions (trichosanthin protein)

When to stop

  • Confirmed pregnancy
  • Diarrhea appears
  • allergic reaction

Interactions with medications

GroupDrugsSeverityEffect and recommendation
Hypoglycemic agentsInsulin, Metformin, GlipizidaModerateSignificant additive hypoglycemic effect Monitorizar glucemia de cerca.
InmunosupresoresCiclosporina, TacrolimusMildTrichosanthin may have immunological effects Use with medical supervision.

Reference dose

Decoction
9-15 g daily
Powder
3-6 g daily
Acute use
1-2 weeks for fever
Chronic use
2-4 weeks for diabetes
Maximum
Prolonged use with supervision
Children
Safe for children with fever and infections with intense thirst.

Forms of preparation

Decoction

Boil 9-15g in 3 cups of water for 30-40 min. Drink at room temperature for heat conditions.

Fever with thirst, abscesses, diabetes

Powder

Take 3-6g in cold or warm water.

Conveniencia

Approximate doses from the literature; they are not a prescription. Consult a professional.

Active compounds

Ribosome-inactivating protein (tricosanthin) and triterpenes

Trichosanthin (TCS)

Ribosome-inactivating protein (RIP) · Antiviral, abortifacient, fluid generator

28S rRNA (N-glycosidase) ribosome inactivation, protein synthesis inhibition · 0.1-0.5% in root

Trichosanthes polysaccharides (TPI)

Heteropolysaccharides · Hypoglycemic, immunomodulatory

AMPK activation, insulin modulation · 10-25%

Triterpenes (multiflorin)

Pentacyclic triterpenes · Anti-inflammatory, abortifacient (trace)

NF-κB inhibition, uterine contraction stimulation · 0.1-0.3%

Quilic acid and phytosterols

Triterpenes and sterols · Anti-inflammatory, hypolipidemic

COX-2 inhibition, cholesterol modulation · 0.2-0.8%

Harvesting and processing

Harvest
Autumn-winter (October-February), roots of 2-3 years

Trichosanthes kirilowii roots harvested in autumn-winter. They are washed, peeled, cut into slices and dried. The powder (天花粉粉) is obtained by grinding.

Raw (天花粉 Tiān Huā Fēn)

Root peeled, sliced and dried, or finely powdered.

Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.