Katsumada Galangal Seed

Chinese
草豆蔻
Pinyin
Cao Dou Kou
Latin
Semen Alpiniae Katsumadai
Botanical illustration of Seed of Katsumada Galangal, Alpinia katsumadai, showing Cao Dou Kou seed material and diagnostic source details.
Botanical plate by Kodi .

Known in TCM as Cao Dou Kou (草豆蔻), this pungent, warm herb enters the Spleen and Stomach. Traditionally, it dries dampness and awakens the Spleen ... Cao Dou Kou is used for a heavy, obstructed middle burner with poor appetite, loose stool, and greasy damp stagnation, most often applied for nausea, abdominal distension, and poor appetite. Modern research has identified Volatile among its active constituents.

Part used: Seed

Also Known As

Cao Kou Alpinia katsumadai seed Seed of Katsumada Galangal

Latin: Semen Alpiniae Katsumadai | Pinyin: Cao Dou Kou | Chinese: 草豆蔻

TCM Properties

Taste
pungent
Temperature
warm
Channels
Spleen, Stomach

Traditional Use

Primary Actions

  • Dries dampness and awakens the Spleen ... Cao Dou Kou is used for a heavy, obstructed middle burner with poor appetite, loose stool, and greasy damp stagnation.
  • Moves Qi and relieves fullness ... it helps when abdominal distension, epigastric oppression, and stagnant dampness create a blocked, swollen feeling.
  • Warms the middle and stops nausea or vomiting ... the aromatic seed is chosen when cold-damp digestive upset rises upward instead of descending normally.

Secondary Actions

  • This page follows the whole-seed medicinal lane and should stay linked to the `seed-of-katsumada-galangal-2` sibling rather than being treated as a different herb family.
  • Cao Dou Kou overlaps in naming with Dou Kou and Cao Kou, but it should still be kept distinct from Bai Dou Kou, Hong Dou Kou, and Cao Guo in content and indexing.

Classic Formulas

  • Digestive damp-obstruction combinations with Hou Po, Chen Pi, and Mu Xiang ... classic aromatic strategy for fullness, nausea, and stagnant middle-burner Qi.
  • Cold-damp vomiting pairings with Gan Jiang and Ban Xia ... used when the Stomach is cold, heavy, and prone to retching.
  • Loose-stool and poor-appetite combinations with Bai Zhu or Cang Zhu ... traditional approach when dampness and weak transformation coexist.

Classical References

  • TCM teaching describes Cao Dou Kou as pungent and warm, entering the Spleen and Stomach to dry dampness, move Qi, warm the middle, and stop vomiting.
  • Later materia medica discussions separate Cao Dou Kou more clearly from other cardamom-like aromatics, even though older texts sometimes used overlapping names.

Modern Research

Active Compounds

  • Volatile oils rich in monoterpenes and sesquiterpenes ... core aromatic constituents behind the herb's fragrance and digestive activity
  • Flavonoids and diarylheptanoid-related compounds ... part of the broader chemical profile discussed in recent reviews
  • Seed lipids and pungent aromatic fractions ... important to both culinary and medicinal identity

Studied Effects

  • A 2026 review traced Alpinia katsumadai seed from condiment use to ethnomedicine and nutraceutical interest, summarizing its chemistry and health-related research base (PMID 41696736).
  • A 2026 comparative review looked at Semen Alpiniae Katsumadai alongside other aromatic digestive medicinals, which is especially useful for keeping Cao Dou Kou distinct from overlapping spice-herb names (PMID 41176135).
  • Most modern evidence still clusters around chemistry, experimental pharmacology, and quality comparison rather than around large human clinical trials.

PubMed References

Safety & Interactions

Contraindications

  • Yin deficiency or dryness-heat without damp obstruction
  • Vomiting from clear excess heat rather than cold-damp or middle-burner weakness

Cautions

  • As an aromatic seed, Cao Dou Kou loses strength with excessive simmering and is often crushed or added later in decoction.
  • Culinary spice use and concentrated medicinal use are related but not interchangeable.

Conditions

Frequently Asked Questions

What is Katsumada Galangal Seed used for?

Katsumada Galangal Seed is traditionally used to Dries dampness and awakens the Spleen ... Cao Dou Kou is used for a heavy, obstructed middle burner with poor appetite, loose stool, and greasy damp stagnation., Moves Qi and relieves fullness ... it helps when abdominal distension, epigastric oppression, and stagnant dampness create a blocked, swollen feeling., Warms the middle and stops nausea or vomiting ... the aromatic seed is chosen when cold-damp digestive upset rises upward instead of descending normally.. Research has investigated its effects on: A 2026 review traced Alpinia katsumadai seed from condiment use to ethnomedicine and nutraceutical interest, summarizing its chemistry and health-related research base (PMID 41696736).; A 2026 comparative review looked at Semen Alpiniae Katsumadai alongside other aromatic digestive medicinals, which is especially useful for keeping Cao Dou Kou distinct from overlapping spice-herb names (PMID 41176135)..

What are other names for Katsumada Galangal Seed?

Katsumada Galangal Seed is also known as Cao Kou, Alpinia katsumadai seed, Seed of Katsumada Galangal. In TCM: 草豆蔻 (Cao Dou Kou); Semen Alpiniae Katsumadai.

Is Katsumada Galangal Seed safe during pregnancy?

The safety of Katsumada Galangal Seed during pregnancy has not been established. Consult a qualified healthcare provider before use.

What are the contraindications for Katsumada Galangal Seed?

Katsumada Galangal Seed should not be used in: Yin deficiency or dryness-heat without damp obstruction; Vomiting from clear excess heat rather than cold-damp or middle-burner weakness. Consult a qualified practitioner before use.