Nadisaka (Nadi (Nadika, Nadishaka, Pattasaka))
Nadisaka, scientifically known as Corchorus olitorius, is a nutritious leafy vegetable used in traditional medicine and as a food source. It is valued for its potential antidiabetic, anti-inflammatory, and antioxidant properties.
Botanical name: Corchorus olitorius. Also known as: Jute, Nalta Jute, Jew's Mallow, Tossa Jute, Sani, Punaku Peratti, Mahachanchu, Bush Okra, Wild Okra, Long Fruited Jute, Meloukia, Moroheia, Moroheiya, Mulukhiyah, Nalta Jute, Tasso, Ewedu (Yoruba), Ahihara (Igbo), Oyoyo (Hausa), Ikpeikpe (Edo).
Properties
Stimulation of insulin secretion, Increase in β-cell proliferation, Antioxidant activity, Anti-inflammatory activity
Dosage
Information on Nadisaka dosage is limited in the provided search results. For *Corchorus fascicularis*, a related species, general guidelines include: Leaf Powder: 3–6 g per day, mixed with warm water or honey, after meals. For children (ages 6–12), 1–2 g of leaf powder once daily. Decoction: Simmer 10 g fresh leaves in 200 mL water for 10 minutes, strain and drink 2–3 times daily. Fluid Extract: 1–2 mL, thrice daily. It's essential to consult an Ayurvedic practitioner or qualified healthcare professional for appropriate Nadisaka dosage recommendations.
Classical attributes
- Rasa: Madhura (Sweet)
- Virya: ["শীতল (Cooling)"]
- Vipaka: ["Madhura (Sweet)"]
Benefits
- Deepana (Appetizer)
- Pachana (Digestive)
- Rasayana (Rejuvenative)
Traditional uses
- Kshudhamandya (Loss of appetite)
- Agnimandya (Digestive impairment)
- Dourbalya (Weakness)
Dosha effects
- vata: balancing
- kapha: balancing
- pitta: balancing
Preparation methods
- Vegetable: The leaves and young fruits are commonly consumed as a vegetable in many tropical countries.
- Soup Thickener: Dried leaves can be used to thicken soups.
- Herbal Tea: Dried leaves can be used to make herbal tea.
- Extracts: Extracts using methanol, ethanol, or water can be prepared.
- Decoction: Boil fresh or dried leaves in water. For *Corchorus aestuans*, a related species, a decoction is prepared by boiling 10–15 g of fresh leaves (or 5–7 g dried) in 250 ml water for 10 minutes, then straining.
- Poultice: Fresh leaves can be crushed and applied directly to the skin.
Contraindications
- Excessive use: As it has purgative properties, excessive consumption may lead to diarrhea or digestive upset.
- Vata Imbalance: People with a Vata imbalance should use it cautiously, as it has cooling properties.
- Pregnancy and Lactation: As a general precaution, pregnant and breastfeeding women should exercise caution and consult their healthcare provider before using Nadisaka.
Side effects
- Generally considered safe when consumed in moderation as food.
- High doses of *Corchorus aestuans* may cause bloating or loose stools in sensitive individuals. High iron intake can also pose overload risks.
- Rare reports of contact dermatitis with poultice use.
- Very high doses of *Corchorus olitorius* extract led to some adverse effects on the liver and kidneys in rats.
- Pregnant women should limit use to leaf decoctions under professional guidance.
Interactions
- May enhance the effects of hypoglycemic drugs, so blood sugar should be monitored closely if taken with diabetes medication.
- Possible interactions with anticoagulants have been reported.
- It's always best to consult with a healthcare professional before combining Nadisaka with other herbal supplements or medications to avoid potential interactions.
Clinical evidence
Preclinical studies (mostly in rodent models) suggest potential benefits of *Corchorus olitorius* extracts in managing diabetes and obesity. Research also indicates antioxidant and anti-inflammatory properties. Growing scientific evidence supports some traditional uses.
Ayurvedic karmas
- Deepana (Appetizer)
- Pachana (Digestive)
- Rasayana (Rejuvenative)
Classical clinical indications
- Kshudhamandya (Loss of appetite)
- Agnimandya (Digestive impairment)
- Dourbalya (Weakness)