Phytochemical Composition and Pharmacological Activities of Momordica charantia (Bitter Gourd)

By Purva Patil1, Neha Jaiswal1, Vishakha Sonawane1, Vajid Shah1, Hemant P. Suryawanshi2*, R. A. Ahirrao3

1P. G. College of Pharmaceutical Science and Research, Nandurbar (MS), India
2Professor, Same Institution
3Principal, P. G. College of Pharmaceutical Science and Research

Published: June 2025 | DOI: — | Download PDF

Abstract

Momordica charantia (bitter gourd) is a tropical medicinal plant rich in bioactive compounds including cucurbitane-type triterpenoids, flavonoids, phenolic acids, saponins, and proteins. These compounds contribute to various pharmacological activities such as antidiabetic, anticancer, antioxidant, anti-inflammatory, antimicrobial, and hepatoprotective effects. Recent studies demonstrate its ability to modulate insulin signaling, induce apoptosis in cancer cells, and reduce oxidative stress, highlighting its therapeutic potential.

Keywords:

Momordica charantia, cucurbitacins, charantin, flavonoids, antidiabetic, anticancer, antioxidant

Introduction

Momordica charantia, commonly known as bitter gourd, is a tropical vine widely cultivated in Asia, Africa, and South America. It is used both as a food and traditional medicine. The plant contains numerous bioactive compounds that contribute to its medicinal properties, particularly in diabetes and cancer treatment.

Phytochemical Composition

The plant contains cucurbitane-type triterpenoids, steroidal glycosides (charantin), flavonoids, phenolic acids, saponins, polysaccharides, and proteins such as α-momorcharin and MAP30. These compounds are responsible for antioxidant, anticancer, and metabolic effects.

Pharmacological Activities

Antidiabetic Activity

Bitter gourd improves glucose metabolism by enhancing GLUT4 translocation and activating AMPK pathways. Studies show reduced blood glucose levels in diabetic models.

Anticancer Activity

Extracts and compounds such as momordicine I induce apoptosis and inhibit proliferation in cancer cells. Animal studies confirm tumor growth suppression.

Antioxidant Activity

High flavonoid and phenolic content provide strong free radical scavenging ability, protecting cells from oxidative damage.

Anti-inflammatory Activity

Compounds inhibit NF-κB signaling and reduce inflammatory cytokines such as TNF-α and IL-6.

Antimicrobial Activity

Extracts show activity against bacteria, fungi, and viruses including inhibition of HIV reverse transcriptase.

Hepatoprotective Activity

Studies show reduced liver damage markers (ALT, AST) and decreased fibrosis in animal models.

Discussion

The diverse phytochemical composition of Momordica charantia explains its wide range of pharmacological effects. Synergistic interactions among compounds enhance its therapeutic potential, though clinical validation remains limited.

Conclusion

Momordica charantia is a potent medicinal plant with significant pharmacological properties. Further clinical studies are required to validate its efficacy and develop standardized therapeutic formulations.

References

  1. Upadhyay A. et al. (2015). Pharmacological features of Momordica charantia.
  2. Liu H. et al. (2023). Herbal nanofibers research.
  3. Jia S. et al. (2017). Functional components of bitter gourd.
  4. Additional references as per original article.