Hrivera
Hrivera is a substance used in the Ayurvedic materia medica. Essential oil components are well absorbed transdermally. Oral bioavailability of sesquiterpenes is moderate; lipid-based formulations may enhance absorption. Essential oil in amber glass containers.
Names and identification
| Language | Name |
|---|---|
| English | Hrivera |
Ayurvedic pharmacology (Dravyaguna)
| Property | Value | Description |
|---|---|---|
| Rasa (Taste) | Tikta | Primary taste |
| Guna (Quality) | Laghu, Ruksha | Physical quality |
| Virya (Potency) | Sheeta | Heating/Cooling effect |
| Vipaka (Post-digestive) | Katu | Post-digestive effect |
What is it made of?
Mineral/Elemental Profile
- Primary component: Mineral-derived preparation
- Note: Composition varies by specific preparation method
Analytical Methods: XRD, ICP-OES, SEM-EDS
Dosage forms and preparation
Dosage Forms: Churna (powder), Kashayam (decoction), Capsule, Taila (medicated oil)
Standard Dosage: 3-6g powder twice daily; 50-100ml decoction; external oil as needed
Bioavailability: Coleus vettiveroides (Vetiveria zizanioides, Khus) root contains sesquiterpenes (vetiverol, vetivone) with moderate lipophilic absorption. Essential oil components are well absorbed transdermally. Oral bioavailability of sesquiterpenes is moderate; lipid-based formulations may enhance absorption.
Optimal Timing: Between meals with cool water or coconut water for Pitta disorders; externally as needed
Standardized Extract: Essential oil standardized to vetiverol content (>15%); hydroalcoholic extract with characteristic HPTLC fingerprint
Shelf Life: 2 years (powder); 3 years (essential oil, sealed); 2 years (capsule)
Storage: Cool, dry place below 25°C. Essential oil in amber glass containers. Root powder in airtight containers.
Marker Compounds: Vetiverol, Vetivone (alpha and beta), Khusimol, Isovalencenol, Zizanal
Extraction Methods
- Steam distillation (essential oil)
- Hydroalcoholic extraction (70:30)
- Aqueous decoction for internal use
- Cold maceration in sesame oil for Taila preparation
Synergistic Combinations
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