Research Gist
This study is notable because it examined Valeriana wallichii specifically — the species used as Tagara in Ayurveda — rather than the more commonly studied European valerian. Researchers isolated valeric acid, one of the plant's active constituents, and tested it in a rat model of induced neurodegeneration. The compound demonstrated GABA-like activity alongside NMDA antagonist properties. GABA is the nervous system's main inhibitory neurotransmitter, while NMDA receptors are involved in excitatory signalling. Treated animals showed reduced markers of neurodegeneration compared with untreated controls.
Key Learnings
- The study used Valeriana wallichii specifically — the species used as Tagara.
- Valeric acid showed GABA-like activity in the model.
- NMDA antagonist properties were also identified.
- Markers of neurodegeneration were reduced in treated animals.
- This was a rat study examining an isolated constituent, not the whole herb in people.