Effects of nicotinamide riboside on stressed/fatigued barrow carcass characteristics and loin chop color stability

IF 7.1 1区农林科学 Q1 Agricultural and Biological Sciences Meat Science Pub Date : 2025-02-10 DOI:10.1016/j.meatsci.2025.109772

Morgan E. Gravely, Hanna M. Hennesy, Daniela A. Alambarrio, Olivia G. Ellis, Xiaoxing Xu, Alexander M. Stelzleni, John M. Gonzalez

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Abstract

The objective of this study was to determine the effects of nicotinamide riboside (NR) supplementation on the color and color stability of fresh pork chops from barrows subjected to extreme stress/fatigue. One hundred barrows were supplemented 0, 15, 30, or 45 mg•hd⁻¹•kg body weight⁻¹ NR in feed, or 45 mg•hd⁻¹•kg body weight⁻¹ NR in an oral drench (DRE) 11 d prior to a stress/fatigue-inducing event and immediate harvest. Loins were collected, aged 10 days in vacuum bags, and chops were fabricated and used for an 8-day simulated retail display color-stability study. There were no treatment by day of display or treatment main effects for all color-related measures. There were day of display main effects for all color measures which indicated chops discolored in a typical manner. pH values indicated the current study's muscles were in an accelerated state of pH decline due to the extreme preharvest stress/fatigue-inducing event; however, NR supplementation was unable to elicit positive effects on color-stability measures.

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来源期刊

Meat Science 工程技术-食品科技

CiteScore

12.60

自引率

9.90%

发文量

282

审稿时长

60 days

期刊介绍： The aim of Meat Science is to serve as a suitable platform for the dissemination of interdisciplinary and international knowledge on all factors influencing the properties of meat. While the journal primarily focuses on the flesh of mammals, contributions related to poultry will be considered if they enhance the overall understanding of the relationship between muscle nature and meat quality post mortem. Additionally, papers on large birds (e.g., emus, ostriches) as well as wild-captured mammals and crocodiles will be welcomed.