# Vidari

> Vidari (Pueraria tuberosa) is a plant used in Ayurveda. Tuberosin shows moderate absorption. Daidzein and genistein (isoflavones) undergo extensive gut microbial metabolism to equol and other metabolites with prolonged half-lives. Milk as vehicle (traditional Ksheera Paka) enhances absorption of lipophilic isoflavonoids through casein micelle solubilization.

## Key facts

- **Botanical name:** Pueraria tuberosa

## Names and identification

| Language | Name |
|----------|------|
| English | Vidari |

## Ayurvedic pharmacology (Dravyaguna)

| Property | Value | Description |
|----------|-------|-------------|
| **Rasa** (Taste) | Madhura | Primary taste |
| **Guna** (Quality) | Guru, Snigdha | Physical quality |
| **Virya** (Potency) | Sheeta | Heating/Cooling effect |
| **Vipaka** (Post-digestive) | Madhura | Post-digestive effect |

## Dosage forms and preparation

**Dosage Forms:** Churna (powder), Kwatha (decoction), Capsule, Tablet, Lehyam (confection), [Ksheera](/herb/ksheera/) Paka (milk decoction), Granules

**Standard Dosage:** 3-6 g powder twice daily with milk; 50-100 mL decoction twice daily; 10-20 g lehyam daily

**Bioavailability:** [Puerarin](/glossary/compounds-o-q/#puerarin) (major isoflavonoid in Pueraria species) has moderate oral bioavailability (~25-35%) limited by poor aqueous solubility and P-glycoprotein efflux. Tuberosin shows moderate absorption. [Daidzein](/glossary/compounds-c-d/#daidzein) and [genistein](/glossary/compounds-d-g/#genistein) ([isoflavones](/glossary/compounds-g-l/#isoflavones)) undergo extensive gut microbial metabolism to equol and other metabolites with prolonged half-lives. Milk as vehicle (traditional [Ksheera](/herb/ksheera/) Paka) enhances absorption of lipophilic [isoflavonoids](/glossary/compounds-g-l/#isoflavonoids) through casein micelle solubilization.

**Optimal Timing:** After meals with warm milk for [Rasayana](/reference/rasayana/) (rejuvenative) effect; morning and evening; Ksheera Paka at bedtime

**Standardized Extract:** Tuber extract standardized to >5% puerarin by HPLC; >1% total isoflavones (daidzein + genistein); [starch](/glossary/compounds-q-t/#starch) content characterization for excipient use

**Shelf Life:** Dried tuber slices: 18-24 months; Powder: 12-18 months; Capsules/Tablets: 24-36 months; Lehyam: 18-24 months; Ksheera Paka: prepare fresh

**Storage:** Dried material in airtight, moisture-proof containers at 15-25 deg C. Protect from insects (starchy material attracts pests). Include desiccant sachets in packaging.

**Marker Compounds:** Puerarin, Daidzein, Genistein, Tuberosin, beta-[Sitosterol](/glossary/compounds-q-t/#sitosterol), [Stigmasterol](/reference/stigmasterol/), Pterocarpan, 4'-Methoxypuerarin

### Extraction Methods

- Aqueous decoction
- Hydroethanolic extraction (60-70% ethanol)
- Milk decoction (Ksheera Paka - traditional)
- Supercritical CO2 extraction for isoflavone-rich fraction
- Spray drying for standardized powder

### Synergistic Combinations

- [Ashwagandha](/herb/ashwagandha/) - Balya (strength-giving) and Rasayana synergy
- [Shatavari](/herb/shatavari/) - female reproductive tonic combination
- [Bala](/herb/bala/) (Sida cordifolia) - muscle-building and strength-giving synergy
- [Ghrita](/herb/ghrita/)/milk as vehicle - enhanced absorption and Vata-pacifying action
- Musali (Chlorophytum borivilianum) - vitality combination

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Canonical version of this page: https://nighantu.ageayurveda.com/herb/vidari/

## Sources

- Amidha Ayurveda Herb Database (700+ herbs, CC-BY-4.0)
- Ayurvedic Pharmacopoeia of India

Published by Age Ayurveda in the Nighantu. Educational reference only, not medical advice.
Incorporates material from the Amidha Ayurveda Herb Database under CC BY 4.0.