储存导致大豆粉的蛋白质氧化,并影响牛肉的抗氧化状态,消化性能和肉质
Peng Wang1, Juanjuan Song1, Mingfang Du1
1College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
Animal bioscience
|August 30, 2024
概括
在室温下储存45天的大豆粉 (SBM) 经历了蛋白质氧化,降低了其消化能力. 食肉这种氧化SBM会对它们的生长,抗氧化能力和肉质产生负面影响.
科学领域:
- 动物营养 动物营养
- 食品科学 食品科学 食品科学
- 生物化学 生物化学
背景情况:
- 大豆粉 (SBM) 是 brojiler 食中至关重要的蛋白质来源.
- 不适当的储存条件可能导致SBM降解,影响其营养价值.
- 了解SBM中蛋白质氧化的影响对于优化肉生产至关重要.
研究的目的:
- 研究储存大豆粉 (RSBM) 中的蛋白质氧化对 brojler 的性能的影响.
- 评估RSBM对肉抗氧化状态,消化功能和肠道形态的影响.
- 评估RSBM对 brojiler乳肉质量的影响.
主要方法:
- 两组Arbor Acres Plus肉被养在-20°C (FSBM) 储存的SBM或在室温下储存45天 (RSBM) 的SBM.
- 测量了生长性能,抗氧化剂状况 (血清和组织标志物),消化参数 (素活性,体外消化能力),肠道形态 (维卢斯高度与密室深度的比率) 和乳腺肌肉质量.
- 测量是在21岁和42天时进行的.
主要成果:
- 与FSBM相比,RSBM表现出蛋白质碳酸的增加和硫醇水平的降低以及体外蛋白质消化能力.
- 被RSBM养的肉显示血清谷氨 (GSH) 和肝/肠道抗氧化酶活性 (T-SOD,CAT) 降低.
- 消费RSBM导致素活性降低,小肠形态变化,乳腺肉质量降低 (滴滴损失增加,剪切力,损失).
结论:
- 在室温下储存45天的SBM会导致蛋白质氧化,并降低体外消化能力.
- 养肉RSBM会损害生长性能,损害抗氧化剂状况,并对肠道健康和肉质产生负面影响.
- 这些发现强调了适当的SBM储存的重要性,以保持营养质量和肉生产率.
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