Aging & Longevity

Fermented Pomegranate Juice with Lactiplantibacillus plantarum CCFM1286 Attenuates Brain Aging in Association with PINK1/Parkin Activation.

Zhang M, Tang X, et al. • Journal of agricultural and food chemistry • 2026

PubMed 42915805 DOI 10.1021/acs.jafc.6c08050
TL;DR

These results indicate that CCFM1286FPJ counteracts brain aging, potentially through multiple mechanisms involving fermentation-derived bioactives.

Key Findings

Results

Pomegranate juice fermented with L. plantarum CCFM1286 (CCFM1286FPJ) improved aging-related anxiety-like behavior in mice with D-galactose-induced brain aging.

  • Model: mice with D-galactose-induced brain aging.
  • The abstract reports a significant improvement in aging-related anxiety-like behaviors after CCFM1286FPJ intervention.
  • Specific behavioral test values, group sizes, and p-values are not given in the abstract.
Results

CCFM1286FPJ attenuated hippocampal neuronal damage and lowered systemic inflammation in the aging mice.

  • The abstract reports reduced hippocampal neuronal damage.
  • Systemic inflammation was lowered.
  • Quantitative effect sizes are not given in the abstract.
Results

CCFM1286FPJ suppressed glial activation and inhibited the p53/p21 and p16 senescence-associated pathways.

  • Suppression of glial activation was described as the route to inhibiting the senescence pathways.
  • The affected pathways were p53/p21 and p16.
Results

CCFM1286FPJ restored the BAX/Bcl-2 balance and suppressed caspase-3-dependent apoptosis.

  • The abstract describes restoration of BAX/Bcl-2 balance.
  • This was linked to suppression of caspase-3-dependent apoptosis.
Results

CCFM1286FPJ promoted autophagy and induced PINK1/Parkin-mediated mitophagy.

  • The abstract reports both promotion of autophagy and induction of PINK1/Parkin-mediated mitophagy.
  • The title links the attenuation of brain aging to PINK1/Parkin activation.
Results

Serum metabolomics showed enrichment of pomegranate-specific metabolites, including punicic acid and urolithins, after CCFM1286FPJ intervention.

  • The enriched metabolites named were punicic acid and urolithins.
  • Urolithins are gut microbiota-derived metabolites of ellagic acid.
Results

Serum metabolomics identified modulation of tryptophan metabolism and the tricarboxylic acid cycle.

  • The authors implicate these pathways in the amelioration of neuroinflammation and the restoration of energy homeostasis.
  • This is an association from metabolomics; the abstract does not report causal testing.

What This Means

This study in mice tested whether pomegranate juice fermented with a probiotic bacterium, Lactiplantibacillus plantarum CCFM1286, could slow signs of brain aging. The mice were given D-galactose to induce an accelerated brain-aging state. Mice given the fermented juice showed less aging-related anxiety-like behavior, less damage to nerve cells in the hippocampus (a memory-related brain region), and lower inflammation throughout the body. The researchers also looked at the underlying biology. The fermented juice reduced activation of the brain's support cells (glia), dampened cellular aging pathways (p53/p21 and p16), and reduced programmed cell death. It also appeared to boost the cell's cleanup processes, including removal of damaged mitochondria through the PINK1/Parkin pathway. Blood analyses showed higher levels of pomegranate-derived compounds such as punicic acid and urolithins, along with changes in tryptophan metabolism and energy-production (TCA cycle) pathways. This research suggests that fermenting pomegranate juice with specific probiotic bacteria may produce bioactive compounds that help protect the aging brain in mice. These findings come from an animal model and do not show the same effect in people. The abstract also does not give detailed numbers, so the size of the effects is unclear. Human studies would be needed to know whether the results apply to people.

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Citation

Zhang M, Tang X, Mao B, Zhang Q, Zhao J, Chen W, et al.. (2026). Fermented Pomegranate Juice with Lactiplantibacillus plantarum CCFM1286 Attenuates Brain Aging in Association with PINK1/Parkin Activation.. Journal of agricultural and food chemistry. https://doi.org/10.1021/acs.jafc.6c08050