基于元材料的注塑成型,用于成本效益高的整体切片的生产
Mohammad Ghosheh1,2, Avner Ehrlich1,2, Amit Fischer3
1Alexander Grass Center for Bioengineering, The Hebrew University of Jerusalem, Jerusalem, Israel.
Nature communications
|December 31, 2024
概括
研究人员开发了可注射的植物性超材料,以模仿整个肉片. 这种可扩展的注射成型技术为传统的肉类生产提供了经济高效,可持续的替代方案.
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
- 可持续制造 可持续制造 可持续制造
背景情况:
- 全球不断增长的肉类需求引发了生态问题,需要可持续的替代品.
- 目前的植物性选择主要模仿碎肉,使整个切片服务不足.
- 可扩展的制造技术对于生产全切肉类相似品至关重要.
研究的目的:
- 开发可扩展,具有成本效益的植物性超材料,以模仿整个肉片.
- 适应注射成型技术,以创建现实的肉类类型.
- 评估新的肉类替代品的经济可行性和消费者接受度.
主要方法:
- 使用豆蛋白开发了一种热不可逆转的脂肪复合物 (proteoleogel).
- 使用低温挤出来制造具有微/中等尺度结构的多尺度肉类类型.
- 采用注塑成型来塑造元材料成各种全切成型 (例如切片,T骨).
主要成果:
- 豆蛋白有效地稳定了oleogel结构,模仿脂肪组织机制.
- 低温挤出产生了微尺度的同otropic 纤维和 mesoscale 异otropic 结构,类似肌肉和筋膜.
- 注塑成型成功生产了各种各样的全切肉类类型.
- 盲目品味测试显示,43%的人更喜欢植物性牛排类型.
- 技术经济分析显示,注塑成型价格为9美元/千克,比3D打印价格为38美元/千克更具成本效益.
结论:
- 可注射元材料和注射成型为全切肉模拟生产提供了可扩展的解决方案.
- 这项技术为整个肉类市场提供了具有成本效益和可持续性的替代方案.
- 开发的植物性牛排模拟体现了有希望的消费者接受.
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