Vasaka (Justicia adhatoda), commonly known as Malabar Nut, is a well-known medicinal plant widely used in Ayurvedic, Unani, and Siddha systems of medicine, primarily for its bronchodilator, expectorant, and anti-inflammatory properties. It is particularly renowned for treating respiratory disorders, including asthma, bronchitis, cough, and tuberculosis. Vasaka is indigenous to Southeast Asia and a member of the Acanthaceae family.
Vasaka Scientific Name
- Kingdom: Plantae
- Phylum: Angiosperms
- Class: Eudicots
- Order: Lamiales
- Family: Acanthaceae
- Genus: Justicia
- Species: Justicia adhatoda (Synonym: Adhatoda vasica)
Justicia adhatoda Common Name
- English: Malabar Nut, Vasaka
- Sanskrit: Vasa, Vrisha
- Hindi: Adusa
- Tamil: Adathodai
- Telugu: Addasaramu
- Malayalam: Atalotakam
- Kannada: Adusoge
- Marathi: Adulsa
- Bengali: Basok
Justicia adhatoda Uses
- Respiratory Disorders
- Expectorant – Helps in thinning and expelling phlegm from the lungs.
- Bronchodilator – Relieves asthma and bronchial congestion.
- Antitussive – Soothes chronic cough, bronchitis, and TB.
- Bleeding Disorders – Traditionally used to treat hemoptysis (coughing up blood), menorrhagia (heavy menstrual bleeding), and bleeding piles due to its styptic action.
- Antimicrobial and Antioxidant – Demonstrates significant antibacterial, antiviral, and antioxidant activity in vitro and in vivo.
- Anti-inflammatory and Wound Healing – Used in treating skin diseases, wounds, and inflammation.
Phytochemical Constituents
Vasaka contains a rich array of alkaloids, flavonoids, and essential oils that contribute to its medicinal effects:
- Alkaloids: Vasicine, Vasicinone, Vasicinol
- Flavonoids: Luteolin, Apigenin
- Phenolic Compounds: Tannins, Gallic acid
- Essential oils: 1,8-Cineole, β-sitosterol
References
Ayurvedic Pharmacopoeia of India (API). Govt. of India, Ministry of AYUSH. Volume 1, Part I, Monograph on Adhatoda vasica.
Singh, S., & Khanuja, S.P.S. (2004). “Biological effects of Justicia adhatoda (vasaka): A review.” Current Science, 87(1), 131–135.
Dhuley, J.N. (1999). “Antitussive effect of Adhatoda vasica extract on mechanical or chemical stimulation-induced coughing in animals.” Journal of Ethnopharmacology, 67(3), 361–365.
European Medicines Agency. (2015). Herbal monograph on Justicia adhatoda leaves.
Karthikeyan, P., & Shanthi, P. (2009). “Protective effect of Adhatoda vasica against oxidative damage of liver in hyperammonemic rats.” Indian Journal of Clinical Biochemistry, 24(2), 174–179.
Warrier, P.K., Nambiar, V.P.K., & Ramankutty, C. (1993). Indian Medicinal Plants: A Compendium of 500 Species, Vol. 1. Orient Longman.
Chopra, R.N., Nayar, S.L., & Chopra, I.C. (1956). Glossary of Indian Medicinal Plants. CSIR, New Delhi.
Indian Pharmacopoeia. (2022). Monograph on Adhatoda vasica. Indian Pharmacopoeia Commission.