Feather Cockscomb Seed

Chinese
青葙子
Pinyin
Qing Xiang Zi
Latin
Semen Celosiae

TCM Properties

Taste
sweet, bitter
Temperature
slightly cold
Channels
Liver

Traditional Use

Primary Actions

  • Clears Liver fire and improves vision - Qing Xiang Zi is classically used for red, swollen, painful eyes and visual disturbance caused by excess heat in the Liver channel.
  • Dispels wind-heat from the eyes - it is especially valued when superficial ocular inflammation, headache, and photophobia accompany wind-heat or Liver fire patterns.
  • Directs hyperactive Liver yang downward - traditional use extends to headache and hypertension patterns associated with rising Liver fire.

Secondary Actions

  • Qing Xiang Zi is strongest for excess heat eye disorders and is less appropriate than Jue Ming Zi when constipation, yin deficiency, or deficiency-type visual problems are central.
  • Traditional sources note that it can dilate the pupils, which is part of why it is used cautiously in certain eye-pressure conditions.

Classic Formulas

  • Eye-fire combinations often pair Qing Xiang Zi with Ju Hua, Long Dan Cao, or Huang Qin for red painful eyes.
  • Vision-support formulas may combine it with Mi Meng Hua, Mu Zei, or Jue Ming Zi when blurred vision and superficial visual obstruction are present.
  • Liver-fire hypertension and headache patterns may combine Qing Xiang Zi with Xia Ku Cao, Gou Teng, or Shi Jue Ming.

Classical References

  • American Dragon and related TCM sources emphasize Qing Xiang Zi's best effect on excess Liver fire with red inflamed eyes.
  • Traditional notes distinguish it from Jue Ming Zi by stressing its stronger fire-draining action and narrower suitability for excess conditions.
  • Use is cautious in glaucoma or dilated-pupil states because of its documented pupil-dilating tendency in traditional literature.

Modern Research

Active Compounds

  • Celosian polysaccharides - the most cited immunomodulatory fraction
  • Flavonoids and phenolic compounds - likely contributors to anti-inflammatory and antioxidant effects
  • Saponin and alkaloid-related constituents - part of the broader pharmacologic profile of Celosia argentea
  • Vasodilator-active plant fractions - described in ethnopharmacologic work on the species

Studied Effects

  • Celosian, a polysaccharide isolated from Celosia argentea, showed immunostimulating and antihepatotoxic activity in experimental work (PMID 9225602).
  • A 2016 study characterized anticancer principles of Celosia argentea, reinforcing modern interest in the species beyond its classical eye indications (PMID 27034599).
  • An ethnopharmacological report described vasodilator activity in Celosia argentea, which may help explain why some traditional sources extend its use to hypertension patterns (PMID 30248350).

PubMed References

Safety & Interactions

Contraindications

  • Glaucoma or elevated eye pressure
  • Dilated pupils not clearly due to an excess heat pattern
  • Marked Spleen-Stomach deficiency cold

Cautions

  • Qing Xiang Zi is best matched to excess Liver fire and wind-heat rather than deficiency-type eye complaints.
  • Use cautiously in weak, deficient, or elderly patients who do not tolerate cold downward-directing herbs well.
  • MSK page not found - drug interaction data not available from Memorial Sloan Kettering integrative medicine database

Conditions