Medicina China HoyTraditional Chinese Medicine
Medicinal herb · Heat Clearing (Exterior)

Jú Huā · Chrysanthemum Flower

Jú Huā (菊花, Chrysanthemum Flower) is a herb of Cool nature and Sweet, Bitter flavor, in the “Heat Clearing (Exterior)” category. Tradition uses it to disperse Wind-Heat, Clear Liver Heat, Brighten Eyes.

菊花 · Jú HuāUpdated on

Energetic profile

Pinyin name
Jú Huā
Characters
菊花
Botanical name
Chrysanthemum morifolium Ramat.
Family
Asteraceae
Part used
Flower
Nature
Cool
Flavor
Sweet, Bitter
Meridians
Liver, Lung
Category
Heat Clearing (Exterior)
Toxicity
Non-toxic
Pregnancy
No contraindication described (always consult)
Origin
China

Actions according to tradition

  • Disperse Wind-Heat
  • Clear Liver Heat
  • Brighten Eyes
  • Calm Liver

Traditional uses

  • Wind-heat affecting head and eyes
  • Red, painful, swollen eyes
  • Dizziness and headache
  • Blurred vision
  • Liver Yang rising

Studied effects and current applications

  • Relieves headaches
  • Reduces eye strain
  • Lowers blood pressure
  • Clears vision
  • Reduces fever
  • Calms irritability

Applications under investigation

  • Migraine and tension headaches
  • Eye strain from screens
  • Hypertension
  • Allergic conjunctivitis
  • Anxiety and irritability
  • Fever and infections

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

Contraindications and adverse effects

Absolute contraindications

  • Ragweed allergy (cross-reactivity)
  • Yang deficiency with cold signs

Relative contraindications

  • Spleen and Stomach deficiency cold
  • Diarrhea
Pregnancy
Generally safe in normal tea amounts.
Breastfeeding
Safe as tea.
Children
Safe for children as tea.
Older adults
Generally safe

Possible adverse effects

  • Allergic reactions (in sensitive individuals)
  • Photosensitivity
  • Digestive upset (cold nature)

When to stop

  • Allergic reactions
  • Signs of cold (cold limbs, diarrhea)
  • Digestive upset

Interactions with medications

GroupDrugsSeverityEffect and recommendation
AntihypertensivesBeta-blockers, ACE inhibitorsMildComplementary blood pressure lowering Monitor blood pressure

With other herbs

  • goji Classic vision-brightening tea combination

Reference dose

Infusion
5-15 grams per cup, 1-3 times daily
Decoction
5-15 grams daily
Extract
As per label
Acute use
1-2 weeks
Chronic use
2-4 weeks
Maximum
Use with breaks
Children
Gentle, safe for children.

Forms of preparation

Infusion

Steep 5-15g in hot water 5-10 min. Do not boil.

Wind-heat, eye health, tea

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

Active compounds

Flavonoids (luteolin, apigenin) and phenolic acids

Chlorogenic acid

Phenolic acid (caffeic-quinic ester) · Antioxidant, anti-inflammatory, hypoglycemic

α-glucosidase and α-amylase inhibition, radical scavenging, NF-κB inhibition · 0.5-2.0%

Luteolin and luteolin-7-glucoside

Flavone · Anti-inflammatory, neuroprotective, anti-allergic, anti-cancer

NF-κB, COX-2 inhibition; blockage of mast cell granulation; PI3K inhibition · 0.1-0.5%

Apigenin

Flavone · Anxiolytic, anti-inflammatory, antitumor

Binding to GABA-A (benzodiazepine) receptors, CDK2 inhibition · 0.05-0.3%

Camphor (essential oil)

Bicyclic ketone monoterpene · Antiseptic, local analgesic, decongestant

TRPV1 and TRPM8 activation, Na+ channel inhibition · 5-30% of essential oil

Quercetin and rutin

Flavonols · Antioxidant, anti-inflammatory, antihistamine

Histidine decarboxylase inhibition, radical scavenging, COX blockade · Traces at 0.1%

Harvesting and processing

Harvest
Autumn (October-November) when the flowers are fully open

Flowers collected in the morning when the dew has evaporated. They are taken individually or in small groups. There are four main varieties: Hangju (杭菊, Zhejiang), Huaju (滁菊, Anhui), Gongju (贡菊) and Chuanju (川菊, Sichuan).

Sun drying (白菊花 Bái Jú Huā)

White flowers spread in thin layers, dried in the sun or with gentle heat (40-50°C). The yellow flowers (黄菊花 Huáng Jú Huā) have more powerful action to cleanse heat and detoxify.

Steamed and dried (蒸菊花 Zhēng Jú Huā)

Fresh flowers steamed for 5-10 minutes to fix the color and aroma, then dried. Better preserves flavonoids such as apigenin and luteolin.

Formulas it appears in

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.