ADHATODA VASICA (VASAKA)
Filed under: Tags: Acanthaceae, Adatodai, Adulsa, Arusa, Bakas, Malabar Nut Tree
Plant Family : Acanthaceae
Common name : Adatodai, Arusa, Adulsa, Bakas, Malabar Nut Tree
Origin : A small evergreen, sub-herbacious bush which grows commonly in open plains, especially in the lower Himalayas (up to 1300 meters above sea level).
Botanical Identification :
Vasaka is a dense perennial shrub.
Leaves are of dark green colour above and pale yellow below. Flowers are typical, white arranged in pendunculated spike.
History : Adhatoda leaves have been used extensively in Ayurvedic Medicine for more than over 2000 years primarily for respiratory disorders
Tradition : It was used by traditional midwives at the time of delivery
Medicinal Parts Used : Leaves, roots, flowers and stem bark
• Quinazoline Alkaloids
- Vasicine – 45-95% (the mucolytic drug bromhexine was developed from this alkaloid)
- N-oxides of vasicine – Vasicinone
- Deoxyvasicine – Oxyvasicinine
• Essential oil
• b-sitosterol-D-glucoside • Kaempferol
• Glycosides of kaempferol • Queretin
• Vasicinolone • Vasicol • Peganine
• Hydroxy oxychalcone • Glucosyl oxychalcone
• Odorous volatile principle • Organic adhatodic acid
Petroleum ether extract. Expectorant, and bronchodilator
Alcoholic extract : weakly antibacterial.
The alkaloids vasicine and vasicinone are potent bronchodilators.
In large doses vasicine is abortifacine.
Expectorant action is due to volatile oil. (In animal studies, it has been found that bronchodilator activity of vasicine is increased after administration of atropine. It has no marked action on alimentary canal and cardiovascular system).
Vasicinone, oxidation product of vasicine is more potent bronchodilator besides having anti-anaphylactic activity.
Vasakin, a non-nitrogenous principle obtained from alcoholic extract is antidiabetic.
Taste (Rasa) : Bitter, Astringent.
Quality (Guna) : Light, Unctous.
Post Digestion Effect (Vipak) : Pungent
Potency (Virya) : Cold
Therapeutics : In respiratory disorders like bronchial asthma and chronic bronchitis.
• Anti-asthmatic • Antispasmodic • Antitussive
• Bronchodilator • Expectorant • Febrifuge • Mucolytic
• Oxytocic • Uterotonic
Adhatoda vasica is used for :
Bleeding Disorders :
• bleeding due to idiopathic (unknown) thrombocytopenic (blood does not have enough platelets) purpura (excessive bruising)
• moderate hypotensive activity (lowers blood pressure
• pulmonary diseases
• assists uterine involution (rolling or turning inward)
• menorrhagia (excessive menstrual bleeding)
• Postpartum (after childbrith) hemorrhage
• uterine stimulant activity
• local bleeding due to peptic ulcer and/or piles
Respiratory Tract Conditions
• acute and chronic bronchitis often combined with the herbs Licorice and Marshmallow for soothing the respiratory tract
• allergic asthma, often combined with the herbs Tylophora, etc.
• antihistamine effects (the leaves may be dried and smoked to relieve asthma)
• broncho-dilation effects
• obstructive airway disease (chronic)
• phthisis (wasting of the ssues as in tuberculosis)
• relieves cough and breathlessness
• Bleeding gums (applied locally) • Diphtheria • pyorrhea, a gum disease (applied locally) • Fever • Tuberculosis • Typhus fever
Toxicology Caution :
• The leaf extract, is considered safe and the oil has low toxicity
• Contraindicated in pregnancy except at birth. Large doses can cause Diarrhoea, Vomiting, Irritation of the alimentary canal
• 1-3 g/day of dried leaves.
• 0.5-1.5 g/day dried root