植物和肉类汉堡之间蛋白质质量和消化能力的比较
Sara Cutroneo1, Barbara Prandi1, Andrea Faccini2
1Food and Drug Department, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
Food research international (Ottawa, Ont.)
|September 10, 2023
概括
植物性汉堡显示出良好的蛋白质消化能力,与牛肉相比. 关键的区别在于原材料的质量,而不是蛋白质来源. 消费者应该检查成分清单以获得最佳选择.
科学领域:
- 食品科学 食品科学 食品科学
- 营养生物化学 营养生物化学
- 可持续的粮食系统可持续的粮食系统
背景情况:
- 由于粮食安全,安全和可持续性问题,消费者对植物性肉类类别的需求日益增加.
- 市场提供各种植物性选择,但蛋白质质量和消化能力仍未得到充分探索.
- 以前的研究表明,商业产品中的蛋白质来源和营养成分含量存在差异.
研究的目的:
- 为了比较商业植物汉堡 (大豆和豆) 与牛肉汉堡的蛋白质质量和消化能力.
- 确定影响肉类类别蛋白质质量和消化能力的因素.
- 为消费者提供信息,以便他们做出明智的选择.
主要方法:
- 商业植物性 (大豆,豆) 和牛肉汉堡的选择.
- 与粮农组织/世卫组织标准相比,对必需氨基酸概况的分析.
- 评估最初的蛋白质完整性 (水解,D-反体).
- 使用INFOGEST模型进行体外消化性研究.
- 消化剂的化物分量分析.
主要成果:
- 所有汉堡,包括牛肉,在必需氨基酸档案中都显示出氨酸缺乏.
- 在所有样本中观察到良好的初始蛋白质完整性.
- 植物性汉堡在体外表现出良好的消化能力 (40-55%),与牛肉汉堡 (61-63%) 相比.
- 在所有样本中,高水解度表明蛋白质可以很好地接触到消化酶.
- 类分析显示牛肉中的原蛋白和植物汉堡中的储备蛋白.
结论:
- 蛋白质质量和消化能力的差异主要是由原材料质量驱动的,而不是蛋白质来源 (植物与动物).
- 消费者应该仔细检查成分清单,以选择高质量的植物性肉类类别.
- 进一步的研究可以专注于优化原材料选择以获得增强的植物性蛋白质产品.
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