Little Plantain Herb

Chinese
小车前
Pinyin
Xiao Che Qian
Latin
Herba Plantaginis Minutae
Botanical illustration of Little Plantain Herb, Plantago minuta, showing habit, leaves, flower spikes, fruit, seed, root, and diagnostic plant details.
Botanical plate by Kodi . View print →

Known in TCM as Xiao Che Qian (小车前), this sweet, cold herb enters the Kidney, Liver, Lung, and Small Intestine. Traditionally, it promotes urination and clears Damp-Heat from the lower burner, most often applied for urinary tract infection, edema, and conjunctivitis. Modern research has identified Aucubin among its active constituents.

Part used: Whole herb

Also Known As

Plantaginis

Latin: Herba Plantaginis Minutae | Pinyin: Xiao Che Qian | Chinese: 小车前

TCM Properties

Taste
sweet
Temperature
cold
Channels
Kidney, Liver, Lung, Small Intestine

Traditional Use

Primary Actions

  • Promotes urination and clears Damp-Heat from the lower burner
  • Clears Liver Heat and benefits vision … eye inflammation, conjunctivitis
  • Clears Lung Heat and dissolves phlegm … cough with heat signs
  • Cools Blood and stops bleeding … hematuria, nosebleed

Secondary Actions

  • Treats summer-heat diarrhea … clears heat while promoting urination to separate clear and turbid
  • Minor diuretic for edema and oliguria

Classical References

  • Xiao Che Qian (小车前, Plantago minuta) shares its therapeutic profile with the primary Plantago herbs of TCM: Che Qian Cao (车前草, Herba Plantaginis, P. asiatica or P. depressa) and Che Qian Zi (车前子, Semen Plantaginis). All three promote urination, clear Liver Heat, and benefit vision … the smaller species is used regionally when the main species is unavailable and is regarded as interchangeable at equivalent doses
  • Classical indication: 'Separates clear from turbid in the lower burner' … promotes urination while simultaneously treating Damp-Heat diarrhea by redirecting Dampness into the urine rather than the intestines; a classic strategy in TCM water metabolism

Modern Research

Active Compounds

  • Aucubin (iridoid glycoside; principal anti-inflammatory and diuretic compound across Plantago species)
  • Acteoside / verbascoside (phenylethanoid glycoside; antioxidant, anti-inflammatory)
  • Plantaginin (flavonoid glycoside)
  • Quercetin and quercetin glycosides
  • Mucilage polysaccharides (diuretic and demulcent)
  • Chlorogenic acid and caffeic acid

Studied Effects

  • Genus-level pharmacology (Plantago): aucubin inhibits NF-κB and COX-2, reducing prostaglandin synthesis; acteoside shows potent antioxidant activity (DPPH IC50 comparable to ascorbic acid) and inhibits LPS-induced TNF-α in macrophages … consistent with heat-clearing and anti-inflammatory TCM actions
  • Diuretic: mucilage polysaccharides increase urinary output in rodent models via osmotic mechanism; aucubin contributes mild tubular diuretic effect
  • Note: dedicated pharmacological studies for P. minuta specifically are sparse; the bioactive profile above is extrapolated from well-characterised Plantago species (P. major, P. asiatica, P. depressa) which share the same principal compound classes

PubMed References

Safety & Interactions

Contraindications

  • Kidney Yang Deficiency with cold and edema (cold-type water metabolism disorder)
  • Spleen-Stomach Deficiency Cold with loose stools

Cautions

  • Standard dose 9–15g dried herb; 30–60g fresh herb
  • Pharmacological data for P. minuta specifically is limited … regarded as therapeutically equivalent to Che Qian Cao at comparable doses; monitor clinical response
  • Long-term high-dose use not evaluated; standard short-term use at therapeutic doses considered safe based on genus-level data

Conditions

Frequently Asked Questions

What is Little Plantain Herb used for?

Little Plantain Herb is traditionally used to Promotes urination and clears Damp-Heat from the lower burner, Clears Liver Heat and benefits vision … eye inflammation, conjunctivitis, Clears Lung Heat and dissolves phlegm … cough with heat signs, Cools Blood and stops bleeding … hematuria, nosebleed. Research has investigated its effects on: Genus-level pharmacology (Plantago): aucubin inhibits NF-κB and COX-2, reducing prostaglandin synthesis; acteoside shows potent antioxidant activity (DPPH IC50 comparable to ascorbic acid) and inhibits LPS-induced TNF-α in macrophages … consistent with heat-clearing and anti-inflammatory TCM actions; Diuretic: mucilage polysaccharides increase urinary output in rodent models via osmotic mechanism; aucubin contributes mild tubular diuretic effect.

What are other names for Little Plantain Herb?

Little Plantain Herb is also known as Plantaginis. In TCM: 小车前 (Xiao Che Qian); Herba Plantaginis Minutae.

Is Little Plantain Herb safe during pregnancy?

The safety of Little Plantain Herb during pregnancy has not been established. Consult a qualified healthcare provider before use.

What are the contraindications for Little Plantain Herb?

Little Plantain Herb should not be used in: Kidney Yang Deficiency with cold and edema (cold-type water metabolism disorder); Spleen-Stomach Deficiency Cold with loose stools. Consult a qualified practitioner before use.