Ancient Herbal Remedy Shows Promise for Brain Health and Aging
A traditional Chinese medicine called Zizyphi spinosi semen (ZSS) could change how we approach brain aging and neurodegenerative diseases, according to new research published in eLife.

A traditional Chinese medicine called Zizyphi spinosi semen (ZSS) could change how we approach brain aging and neurodegenerative diseases, according to new research published in eLife. The study found that simply crushing these seeds produced better results than traditional extraction methods.
Key Findings:
- ZSS powder improved memory and motor function in multiple mouse models of brain diseases
- It reduced toxic protein buildups linked to Alzheimer's, Parkinson's and other conditions
- The treatment boosted the brain's natural repair processes and reduced cellular aging
- Simple crushing worked better than traditional hot water extraction methods
- Effects were seen in both diseased and normal aged mice
What Makes This Special:
"We were surprised to find that simply crushing the seeds worked better than traditional extraction," notes the research team from Osaka Metropolitan University. "The powder helped restore brain function to youthful levels in aged mice."
The researchers tested three preparations: hot water extract, extraction residue, and crushed powder. The crushed powder showed the strongest effects, suggesting valuable compounds may be lost in traditional extraction processes.
A Natural Multi-Target Approach: Rather than targeting just one aspect of brain aging, ZSS appears to work through multiple mechanisms:
- Clears toxic protein buildup
- Promotes neurogenesis (creation of new brain cells)
- Reduces oxidative stress and cellular aging
- Increases brain repair factors like BDNF
- Improves synapse function between neurons
Safety and Accessibility: ZSS is already used safely in traditional medicine and is classified as a food supplement in Japan. This suggests it could be a practical option for long-term use to support brain health.
While more research is needed to understand exactly how ZSS works, this study opens an exciting pathway for developing natural approaches to prevent and treat neurodegenerative diseases. The research appears in eLife: https://doi.org/10.7554/eLife.100737.1
*Note: This research was in mice. Human studies are still needed to confirm benefits and optimal usage.