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来自新鲜蛋白的冷凝,用于益生菌的输送和在内使用
Yu-Cheng Liu1, Yen-Po Chen2, Hsin-Ni Chen1
1Department of Animal Science and Technology, National Taiwan University, Taipei 106, Taiwan.
Poultry science
|November 27, 2025
概括
蛋白 (DEW) 蛋白质凝可以有效地将益生菌输送到五月中. 这些可食用矩阵保护诸如Bifidobacterium longum之类的有益细菌,提供一种可持续的方式来使用家禽副产品.
科学领域:
- 食品科学 食品科学 食品科学
- 蛋白质化学 蛋白质化学
- 微生物学 微生物学
背景情况:
- 剩余的蛋白 (DEW) 是一种家禽副产品,由于质量问题而经常被丢弃.
- 开发DEW的增值应用程序可以提高家禽行业的可持续性.
- 益生菌输送系统需要稳定的矩阵来保护食品中的细菌.
研究的目的:
- 从DEW开发冷蛋白质凝,用于益生菌的输送.
- 为了优化凝特性,以增强纹理和益生菌活力.
- 评估DEW凝在保护内益生菌方面的有效性.
主要方法:
- 经过预热和pH调整,DEW混合物被加工成可溶性蛋白质聚合物.
- 通过在4°C时使用葡萄糖-δ-乳 (GDL) 诱导的酸化,形成冷凝.
- Bifidobacterium longum被封装,并在凝和储存在内时评估其生存能力.
主要成果:
- 在70°C (SA70) 进行预热,可产生最佳的凝蛋白聚合物.
- 用0.75%的GDL形成的凝表现出平衡的纹理和保持水分的能力.
- 封装B. longum在4°C下14天保持活力超过6log CFU/g,在内21天保持活力超过4log CFU/g.
结论:
- 可以将DEW转化为功能性的冷蛋白质凝.
- 这些凝作为有效的可食用基质来提供益生菌,增强了像五子这样的酸性食物的稳定性.
- 这种方法提供了一种可持续的方法,可以将家禽副产品再循环转化为功能性食品成分.
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