Kalinda (Kalinda (Krishna-bija, Kalinga))
Kalinda, known scientifically as Citrullus vulgaris and commonly as watermelon, is valued in Ayurveda for its cooling and refreshing properties. It is used for various therapeutic purposes, including managing blood pressure and providing hydration. The seeds and pulp are utilized for their antioxidant, anti-inflammatory, and diuretic effects.
Botanical name: Citrullus vulgaris. Also known as: Watermelon, Tarbuj, Tarbuja, Tarbuch, Kommatti, Puchhkaya, Tarmuj, Kalinda, Kalinga, Krushnabija, Suvartula, Kalindaka.
Properties
Nitric oxide production, Antioxidant activity, Anti-inflammatory activity, Hypoglycemic activity
Dosage
Seed Powder: 1-3 grams; Juice: 30-50 ml
Classical attributes
- Rasa: Madhura (Sweet)
- Virya: ["Sheeta (Cooling)"]
- Vipaka: ["Madhura (Sweet)"]
Benefits
- Hridya (Good for the heart)
- Shukrala (Increases semen)
- Pittahara (Reduces Pitta)
- Vatahara(reduces vata)
Traditional uses
- তৃষ্ণা (Trishna) - Excessive thirst
- দাহ (Daha) - Burning sensation
- মূত্রকৃচ্ছ (Mutrakrichchra) - Dysuria
- রক্তপিত্ত (Raktapitta) - Bleeding disorders
Dosha effects
- vata: increasing
- kapha: increasing
- pitta: decreasing
Preparation methods
- Fruit: Can be consumed raw or cooked. It can be made into savory dishes or sweet/sour pickles.
- Seed: Seeds can be eaten raw. They can be dried, roasted, or ground into flour. For use as a vermifuge (to expel tapeworms), the whole seed (with coat) is ground into a fine flour, emulsified with water, and ingested, followed by a purge.
- Seed Oil: The seed yields a yellow-colored oil.
- Decoction: A decoction can be made by boiling the raw fruit rind.
- Topical: The fruit pulp can be made into pastes for skin application.
- Seed Powder: Dry roast watermelon seeds lightly, then grind to a fine powder. Typical dosage is 3-6 g mixed into buttermilk or warm water once daily.
- Rind Extract and Candied Rind: Rind decoction (10 g dried rind boiled in 200 mL water down to 100 mL) can be taken twice daily for digestive cooling. Candied rind pieces serve more as a supportive snack (5–10 pieces after meals) to promote Kapha balance.
Contraindications
- High doses of related plants like Citrullus colocynthis may cause intense cramping, diarrhea, and dehydration.
- Generally not advised for pregnant or lactating women.
- Citrullus colocynthis should be avoided in children under 12 unless prescribed by a specialist.
- May interact adversely with diuretics and anticoagulant drugs.
- Rare allergic reactions can occur, especially in those sensitive to the Cucurbitaceae family.
- Long-term use can damage the intestinal lining.
- Should not be combined with other Tikshna Dravyas (strong purgative drugs) without supervision.
- Citrullus colocynthis demands caution: correct dosage, proper sourcing, and professional guidance are non-negotiable.
Side effects
- High doses or prolonged use may lead to side effects.
- Side effects could include abdominal discomfort, diarrhea, nausea, vomiting, loose motions, and allergic rashes.
Interactions
- Some Ayurvedic herbs can interact with modern medicine. It is generally advised to take allopathic medicine first, wait 30 minutes, and then take the Ayurvedic medicine.
- If you are taking other medications, consult your doctor before using Ayurvedic herbs.
Clinical evidence
Meta-analyses of up to 15 RCTs and databases tracking 20+ RCTs show that watermelon consumption can lower blood pressure, improve endothelial function, and have anti-atherosclerotic effects. Studies also suggest potential benefits in managing diabetes and diarrhea.
Ayurvedic karmas
- Hridya (Good for the heart)
- Shukrala (Increases semen)
- Pittahara (Reduces Pitta)
- Vatahara(reduces vata)
Classical clinical indications
- তৃষ্ণা (Trishna) - Excessive thirst
- দাহ (Daha) - Burning sensation
- মূত্রকৃচ্ছ (Mutrakrichchra) - Dysuria
- রক্তপিত্ত (Raktapitta) - Bleeding disorders