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度依赖CO2注射调节植物蛋白质肉类类型的多孔结构和物理化学特性
1College of Food Science, Northeast Agricultural University, Harbin 150030, China.
Food research international (Ottawa, Ont.)
|February 18, 2026
概括
将二氧化碳 (CO2) 注入肉类类似物中可以改善其质地和结构. 较高的二氧化碳度创造了与熟肉相似的特性,为提高肉类质量提供了一种有希望的替代方法.
科学领域:
- 食品科学 食品科学 食品科学
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 肉类类似物是基于植物或培养的肉类替代品,旨在复制传统肉类的感觉和结构特性.
- 调节肉类类的质地特性对于消费者接受和市场透至关重要.
- 二氧化碳 (CO2) 是一种气体,由于其物理特性,在食品加工中具有潜在的应用.
研究的目的:
- 调查二氧化碳 (CO2) 注射对肉类类型的结构和质感特征的影响.
- 为了确定最佳的二氧化碳度,以在类似物中实现理想的类似肉的特性.
- 了解二氧化碳度,孔隙形成和分子结构之间的关系.
主要方法:
- 系统检查可变的二氧化碳注射度 (0.1至0.5 wt%).
- 肉类模拟配方的挤出加工.
- 分析物理性质,包括膨胀比率,多孔性,吸水性和硬度.
- 微观结构分析观察毛孔分布和大小.
主要成果:
- 二氧化碳注入显著提高了膨胀比率,多孔性和吸水能力.
- 随着二氧化碳度的增加,观察到硬度降低,二氧化碳的0.4重%产生牛肉硬度,0.5%产生肉硬度.
- 低于0.2%重量的二氧化碳度会产生小而均的孔隙,而较高度 (>0.2%重量%) 会产生更大的孔隙,影响质量流速和分子结构.
结论:
- 二氧化碳注入是一种有效的策略,用于量身定制肉类类型的结构和纹理特性.
- 可以使用特定的二氧化碳度来模仿各种肉的硬度.
- 这种技术为改善肉类替代品的质量和消费者吸引力提供了一个有希望的途径.
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