Abrus Herb

Chinese
鸡骨草
Pinyin
Ji Gu Cao
Latin
Herba Abri

TCM Properties

Taste
sweet, bitter
Temperature
cool
Channels
Liver, Stomach

Traditional Use

Primary Actions

  • Clears Liver and Gallbladder Damp-Heat - classically used for jaundice, hepatitis, cholecystitis, and hypochondriac fullness in Lingnan medicine.
  • Soothes the Liver and relieves pain - helpful for epigastric or flank discomfort when constrained Liver Qi and some heat disturb the Stomach.
  • Resolves toxicity and reduces swelling - used internally or topically for mastitis, abscesses, and hot inflammatory swellings.

Secondary Actions

  • Ji Gu Cao is one of the best-known Lingnan food-medicine herbs and is often cooked in soups or teas for gentler long-course damp-heat support.
  • The medicinal drug is the aerial herb with toxic seed pods removed; the toxic seed issue is central to safe sourcing and identification.

Classic Formulas

  • Ji Gu Cao with Yin Chen, Zhi Zi, and Jin Qian Cao - damp-heat jaundice combination pattern widely used in southern Chinese practice.
  • Ji Gu Cao with Chai Hu, Xiang Fu, and Bai Shao - liver-soothing strategy for hypochondriac or stomach pain with constraint and mild heat.
  • Fresh Ji Gu Cao leaves mashed externally - folk application for mastitis, abscesses, and localized heat-toxin swelling.

Classical References

  • Me & Qi identifies Ji Gu Cao as a cool, sweet-bitter herb entering the Liver and Stomach channels, with modern focus on hepatitis, jaundice, liver-stomach pain, and toxic swelling.
  • Regional classical references quoted by Me & Qi describe Ji Gu Cao as reducing inflammation and treating infectious hepatitis, traumatic injury, and breast abscesses.
  • SAFETY NOTE: authentic Ji Gu Cao uses the aerial herb with all seed pods removed. The seeds of Abrus species contain highly toxic proteins and are not the medicinal part of this record.

Modern Research

Active Compounds

  • Triterpenoid saponins - a major bioactive cluster linked with anti-HBV and hepatoprotective research
  • Flavonoids such as vicenin-2 and schaftoside - antioxidant and anti-inflammatory constituents highlighted in review literature
  • Alkaloids including abrine and hypaphorine - characteristic nitrogenous compounds discussed in modern phytochemistry reviews
  • Polysaccharide and phenolic fractions - supportive components in broader hepatoprotective and anti-inflammatory research

Studied Effects

  • A broad 2025 review of medicinal Abrus species summarized hepatoprotective, anti-inflammatory, antioxidant, antimicrobial, antiparasitic, and antitumor potential while also emphasizing species-specific toxicity concerns (PMID 40658812).
  • Total saponins extracted from Abrus cantoniensis suppressed hepatitis B virus replication in vitro and in a mouse model, giving a modern pharmacologic basis for Ji Gu Cao's hepatitis reputation (PMID 31678415).
  • Recent experimental work cited by Me & Qi also supports liver-protective and anti-fibrotic effects for Abrus cantoniensis in chemically induced injury models, though high-quality human clinical trials remain limited.

PubMed References

Safety & Interactions

Contraindications

  • Cold or markedly deficient constitutions with loose stools and weak digestion
  • Use of material that still contains seed pods

Cautions

  • The herb itself is classically considered non-toxic, but the seeds are toxic and must be completely removed before medicinal use
  • Regional substitutes such as Abrus mollis are common in trade, so botanical identity matters
  • Because Ji Gu Cao is used in liver conditions, authenticated sourcing is especially important to avoid confusing it with toxic Abrus materials
  • MSK page not found - drug interaction data not available from Memorial Sloan Kettering integrative medicine database

Conditions