Riddhi
Habenaria intermedia D. Don
Riddhi (Habenaria intermedia D. Don) is a plant used in Ayurveda, from the Orchidaceae family. Not listed in WHO monographs; classified as rare and endangered under Indian wildlife protection guidelines; a member of the Ashtavarga group in Ayurvedic Pharmacopoeia.
| Botanical name | Habenaria intermedia D. Don |
|---|---|
| Family | Orchidaceae |
| Order | Asparagales |
| Pharmacopoeia status | Not listed in WHO monographs; classified as rare and endangered under Indian wildlife protection guidelines; a member of the Ashtavarga group in Ayurvedic Pharmacopoeia |
| Taxon identifiers | GBIF 2828690 · Wikidata Q10937539 · NCBI Taxonomy 1097203 |
Names and identification
| Language | Name |
|---|---|
| English | Riddhi |
| Latin/Botanical | Habenaria intermedia D. Don |
Key Phytochemical Constituents
- Scopoletin (coumarin)
- Gallic acid
- Total phenols (high content)
- Thiamins
- Tannins
- Calcium (high mineral content)
- Flavonoids
- Alkaloids
- Glycosides
How does it work?
- Potent antioxidant mechanism through free radical scavenging and nitric oxide inhibition, primarily mediated by scopoletin and gallic acid synergistic activity
- Immunomodulatory action through stimulation of both humoral and cell-mediated immune responses, supporting its traditional Rasayana (rejuvenation) role
- Neuroprotective potential through antioxidant-mediated protection against oxidative neuronal damage, supporting traditional use as a memory enhancer
Which traditional uses are supported by research?
- Antioxidant and free radical scavenging activity experimentally validated, confirming its traditional Rasayana (rejuvenation) role
- Aphrodisiac and general tonic properties partially supported by nutritional profiling showing high calcium and mineral content
- Immune-boosting activity supported by preliminary immunological studies, confirming traditional use as a vitality-enhancing herb
What do recent clinical trials show?
3 further claims previously listed here could not be traced to a published paper and have been removed. An absence here means we could not identify the source, not that no work exists.
Recent safety updates
- No documented toxicity at traditional Ayurvedic doses; used safely as part of Ashtavarga and Chyawanprash formulations for centuries
- Critically endangered orchid species; authenticity of commercial samples is a major concern, with frequent adulteration by unrelated species posing potential safety risks
Dosage forms and preparation
Dosage Forms: Churna (tuber powder), Capsule, Tablet, Avaleha (confection), Ghrita (medicated ghee), Milk decoction (Ksheerapaka)
Standard Dosage: 3-6 g tuber powder daily; 500 mg - 1 g standardized extract twice daily; Ghrita: 5-10 g with warm milk
Bioavailability: Riddhi (Habenaria intermedia/Habenaria edgeworthii - terrestrial orchid) contains mucilaginous polysaccharides, glucomannans, and saponins. Polysaccharides act as prebiotics and immunomodulators locally in the GI tract without requiring systemic absorption. Steroidal saponins show limited oral bioavailability (10-25%) but are partially converted to sapogenins by gut bacteria. Traditional administration with milk or ghee enhances lipophilic compound absorption. Limited modern pharmacokinetic data available.
Optimal Timing: With warm milk at bedtime for Rasayana (rejuvenation) effects. Morning with ghee on empty stomach for strength and vitality. As part of Chyawanprash: 1-2 teaspoons morning and evening.
Standardized Extract: Riddhi tuber extract (4:1) standardized to total saponins >5%, total polysaccharides (as glucomannan) >20%. Authentication by DNA barcoding mandatory. If substitute used, clearly labeled with substitute species and standardization parameters.
Shelf Life: Dried tuber: 18-24 months; Tuber powder: 12-18 months; Extract: 24 months; Ghrita: 24-36 months; Avaleha: 18-24 months
Storage: Dried tubers: cool, dry, pest-proof, below 25 deg C, RH <50%. Powder: airtight containers, moisture-barrier packaging (highly hygroscopic due to polysaccharides). Ghrita: clean, dry glass containers, below 30 deg C. Store CITES documentation with inventory records.
Marker Compounds: Glucomannan, Steroidal saponins, Diosgenin (if Dioscorea substitute), Beta-sitosterol, Stigmasterol, Phenanthrene derivatives (orchid-specific), Mucilage polysaccharides
Extraction Methods
- Aqueous extraction for polysaccharide-rich fraction
- Hydroalcoholic extraction (50-60% ethanol) for saponin fraction
- Traditional Ghrita Paka in ghee
- Milk decoction (Ksheerapaka method)
- Hot water extraction with ethanol precipitation for glucomannan isolation
Synergistic Combinations
Published research
Literature indexed in PubMed that concerns this subject, grouped by study type. A paper appearing here is a record of what has been published, not evidence that the subject works, and laboratory or animal results do not transfer to people. Study titles link to PubMed so you can read the source rather than take our word.
Laboratory and animal studies3
- 2023. Discovery of Anti-NRLP3 Inflammasome, Immunomodulatory Phytochemicals from the Extract of Habenaria intermediaD. Don: An Unexplored Plant SpeciesACS omega. PMID 37663462 · doi:10.1021/acsomega.3c03071
- 2016. Anti-oxidant and anti-microbial properties of some ethno-therapeutically important medicinal plants of Indian Himalayan Region3 Biotech. PMID 28330226 · doi:10.1007/s13205-016-0470-2
- 2015. New ethnomedicinal claims from Gujjar and Bakerwals tribes of Rajouri and Poonch districts of Jammu and Kashmir, IndiaJournal of ethnopharmacology. PMID 25680841 · doi:10.1016/j.jep.2015.01.056
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