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Valorization of broiler edible byproducts: a chicken-liver hydrolysate with hepatoprotection against binge drinking.

Yi-Ling LinKuan-Chen ChengYi-Feng KaoKang WuJr-Wei ChenSasitorn NakthongYi-Chen Chen
Published in: Poultry science (2024)
Over 10,000 metric-ton broiler livers are produced annually in Taiwan. Concerning unpleasant odor and healthy issue, broiler livers are not attractive to consumers. Although the patented chicken-liver hydrolysates (CLHs) through pepsin digestion possess several biofunctionalities, there is no study on hepatoprotection of CLH-based formula capsule (GBHP01) against binge drinking (Whiskey, 50% Alc./Vol.). GBHP01 led to an accelerated blood-alcohol clearance in rats, as evidenced by lowering blood-alcohol increment within 0 to 4 h, increasing blood-alcohol decrement within 4 to 8 h, and smaller blood alcohol concentration areas under the curve (BAC AUC) in the 8-h period (p < 0.05). The ameliorative effects of GBHP01 against binge drinking in rats over 6 wk were attributed to accelerated alcohol metabolism by further increasing alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH) activities while downregulating cytochrome P450 2E1 (CYP2E1) protein expression, elevating antioxidant capacity, decreasing zonula occludens-1 (ZO-1) protein decrement and serum endotoxin, and reducing inflammation related protein levels, that is, toll-like receptor 4 (TLR4) and mitogen-activated protein kinase (MAPK), and proinflammatory cytokines. The development of CLH supplements could not only enhance the added value of broiler livers through nutraceutical development but also offer a strategy to maximize the utilization of poultry processing residues, as shown in this study.
Keyphrases
  • alcohol consumption
  • toll like receptor
  • heat stress
  • inflammatory response
  • oxidative stress
  • immune response
  • tyrosine kinase
  • preterm infants
  • anaerobic digestion
  • low birth weight