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相关概念视频

Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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相关实验视频

Updated: Jun 6, 2025

Author Spotlight: Improving Beef Cattle Nutrition and Production with a Focus on Feed Efficiency and Meat Quality Traits Through Advanced Biochemical and Molecular Assays
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老化增加了草牛肉的轻度.

Jordan C Wicks1, Alexis L Wivell1, Mariane Beline1

  • 1School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.

Translational animal science
|November 25, 2024
PubMed
概括

干燥老化显著改善了草牛肉的颜色,使其与谷物养牛肉相比较. 这一过程增强了轻度和红色,解决了消费者对草产品的关键担忧.

关键词:
牛肉质量 牛肉质量颜色 颜色 颜色 颜色 颜色黑色的牛肉牛肉.干燥老化 干燥老化他们是草养的.肌肉类型 肌肉类型 肌肉类型

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科学领域:

  • 食品科学 食品科学 食品科学
  • 动物科学动物科学
  • 肉类科学 肉科学

背景情况:

  • 草牛肉是一个不断增长的市场,但通常的外观比谷物养牛肉更暗.
  • 已知老化可以改善黑色牛肉的颜色,但对草牛肉的影响较少研究.

研究的目的:

  • 为了评估干燥老化对草食牛肉瘦肌颜色的影响.
  • 为了比较干燥老化的草牛肉与不同养时间的谷物养牛肉的颜色发展.

主要方法:

  • 三十只安格斯杂交牛被分配到牧场完成 (CON),短 (SF) 或长 (LF) 计划中.
  • 尸体经过21天的干燥老化,采集了longissimus lumborum样本,并在收获后的多次间隔 (1-21天) 进行客观色彩 (L*,a*,b*) 的分析.

主要成果:

  • 干燥老化改善了所有牛肉处理中的客观色彩参数 (L*,a*,b*).
  • 草 (CON) 牛肉在轻度 (L*) 和红度 (a*) 中表现出最显著的改善.
  • 到老化的第21天,草牛肉的颜色与谷物养牛肉的颜色相似.

结论:

  • 干燥老化是一种有效的方法来增强草牛肉的颜色.
  • 通过干燥老化实现的颜色改进使草牛肉在视觉上与谷物养替代品相提并论.
  • 这一发现支持干燥老化的草牛肉有可能满足消费者对外观的期望.