Fermented Camel Milk Peptides Reduce Inflammation, ROS, and Apoptosis in LPS-Stimulated Macrophages
Background
Functional foods, particularly fermented dairy, are gaining traction for their health benefits, often attributed to bioactive peptides. While camel milk is recognized for its nutritional value, the specific bioactive peptides generated through fermentation and their anti-inflammatory potential remain underexplored. This study addresses the gap by investigating how fermentation enhances the bioactivity of camel milk, specifically targeting inflammation, oxidative stress, and diabetes-related enzyme inhibition, which are crucial for developing novel therapeutic strategies.
Study Design
Researchers fermented camel milk using Lacticaseibacillus rhamnosus M9 and Saccharomyces cerevisiae WBS2A, optimizing conditions for proteolytic activity and peptide formation over varying times and inoculum concentrations. Antidiabetic activity was assessed via α-amylase and α-glucosidase inhibition assays, while antioxidant potential was measured using the ABTS assay. Peptide profiles were characterized by RP-HPLC, SDS-PAGE, and 2D electrophoresis. Anti-inflammatory effects were evaluated in LPS-stimulated RAW 264.7 macrophages, measuring intracellular ROS, pro-inflammatory cytokines, and apoptosis.
Results
Fermentation significantly boosted proteolytic activity, yielding low-molecular-weight peptides (between 3-10 kDa) linked to enhanced bioactivity. Fermented camel milk samples demonstrated substantial α-amylase inhibition of 70.68% and α-glucosidase inhibition of 59.18%. Maximum antioxidant activity reached 54.97% after 48 hours of fermentation. Critically, in LPS-stimulated RAW 264.7 macrophages, fermented camel milk effectively reduced intracellular ROS levels, suppressed the release of pro-inflammatory cytokines, and mitigated apoptosis. Molecular docking analysis further supported potential interactions between identified peptides and target enzymes. These findings collectively highlight the multifunctional properties of fermentation-derived peptides.
Fermented camel milk reduced intracellular ROS, pro-inflammatory cytokines, and apoptosis in LPS-stimulated RAW 264.7 macrophages.
Key Findings
- Fermented camel milk peptides significantly inhibited
α-amylaseby 70.68% andα-glucosidaseby 59.18%. - Maximum antioxidant activity reached 54.97% after 48 hours of fermentation.
- Fermented camel milk reduced intracellular
ROSin LPS-stimulated RAW 264.7 macrophages. - Pro-inflammatory
cytokinesandapoptosiswere reduced in LPS-stimulated RAW 264.7 macrophages by fermented camel milk. - Fermentation increased proteolytic activity, releasing low-molecular-weight peptides (3-10 kDa) linked to enhanced bioactivity.
Why It Matters
This research highlights the significant potential of fermented camel milk as a functional food for managing inflammatory conditions and metabolic disorders. For biohackers and those interested in natural health solutions, this suggests a novel dietary intervention that could contribute to reducing systemic inflammation and oxidative stress. While the study provides strong in vitro evidence, the practical application of a specific 'dose' or 'protocol' for human consumption is not yet defined. Future in vivo studies are crucial to confirm bioavailability and translate these findings into usable therapeutic or dietary guidelines, potentially leading to new functional food products or supplements targeting inflammation and metabolic health.
fermented-camel-milk
anti-inflammatory
antioxidant
antidiabetic
macrophages
functional-food