Nitrogen Fixing Trees | Narra | Health Benefits | Herbal Tea | Diabetes Management
Pterocarpus indicus, commonly known as Narra, is not only the national tree of the Philippines but also a plant with notable medicinal and health-promoting properties, especially in its leaves.
1. Anti-Diabetic Activity
- Use: Traditional medicine uses decoctions of narra leaves to help lower blood sugar.
- Scientific Basis: Leaf extracts have shown alpha-glucosidase inhibitory activity, which can help reduce post-meal glucose spikes.
- Application: Herbal tea or water decoction for managing blood sugar levels (under medical supervision).
2. Anti-Inflammatory and Analgesic Effects
- Use: Folk healers use boiled leaves for treating swelling and body pain.
- Scientific Basis: Contains flavonoids and phenolic compounds that suppress inflammatory responses.
- Application: Decoction for oral intake or topical wash for inflamed skin or joints.
3. Antibacterial Properties
- Use: Used as a natural antiseptic wash for wounds and skin infections.
- Scientific Basis: Leaf extracts have shown activity against gram-positive and gram-negative bacteria.
- Application: Topical application of cooled decoction or infusion for wound cleaning.
4. Antioxidant Activity
- Use: Believed to promote longevity and protect against cellular aging.
- Scientific Basis: Rich in polyphenols, which combat oxidative stress and reduce risk of chronic diseases.
- Application: Regular consumption of leaf-based tea (unsweetened) for wellness.
5. Anti-Allergic and Respiratory Relief
- Use: Traditional remedy for asthma, cough, and other bronchial irritations.
- Scientific Basis: Anti-inflammatory compounds may reduce airway inflammation.
- Application: Steamed leaves or decoction used as a mild expectorant or respiratory aid.
6. Supports Liver Health
- Use: Used traditionally to detoxify the body.
- Scientific Basis: Some studies suggest hepatoprotective effects due to antioxidant content.
- Application: Supplementary herbal regimen (consult health professional for chronic conditions).
Suggested Herbal Tea Preparation:
- Boil 1–2 cups of fresh Narra leaves in 4 cups of water for 10–15 minutes. Let cool, strain, and drink 1–2 cups daily.
- Best consumed without sugar; lemon or ginger may be added for taste.
Caution & Considerations
- Pregnant or breastfeeding women should avoid use unless cleared by a doctor.
- Should not replace prescribed medications for diabetes or infections.
- Always consult with a licensed herbalist or medical professional before long-term use.