用 phycoerythrin 增强 Kope 奶酪:微生物,物理化学,感官和抗氧化剂的见解
Bahareh Nowruzi1, Rambod Norouzi2, Romina Norouzi3
1Department of Biology, SR.C., Islamic Azad University, Tehran, Iran. baharehnowruzi77@iau.ac.ir.
NPJ science of food
|February 13, 2026
概括
来自Desmonostoc alborizicum的物理 (PE) 作为Kope奶酪中的天然防腐剂. 它有效地减少了微生物,增强了抗氧化和物理化学性质,而不会改变感官质量.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 自然产品化学 自然产品化学
背景情况:
- 传统的乳制品,如科普奶酪,通常依赖于化学防腐剂.
- 在食品保存方面,对自然,可持续的替代品的需求越来越大.
- 来自藻类的颜料 - - 菲科氨酸 (PE) 具有生物活性特性.
研究的目的:
- 为了评估来自Desmonostoc alborizicum的 phycoerythrin (PE) 作为科佩奶酪的天然防腐剂.
- 调查PE对微生物负载,抗氧化能力,物理化学属性和感官概况的影响.
- 评估PE作为合成食品防腐剂的可持续替代品.
主要方法:
- 物理 (PE) 是从Desmonostoc alborizicum中提取和半净化.
- 在Kope奶酪中加入了PE,其度为1%,1.5%和2% (w/w).
- 奶酪在4°C保存60天,并进行微生物,物理化学,抗氧化剂和感官分析.
主要成果:
- 与对照组相比,PE显著降低了总板数 (TPC),其中2%的PE显示了最高的疗效.
- 观察到改善的物理化学特性,包括增强的颜色 (a *,b *) 和保持水的容量 (WHC).
- 抗氧化剂活性增加,由更高的FRAP值,DPPH清理和减少的氧化证明;感官属性没有受到影响.
结论:
- 菲科埃里 (PE) 显示出作为科佩奶酪天然,生物基防腐剂的巨大潜力.
- PE有效地抑制微生物生长,增强抗氧化和物理化学性质.
- 这种天然防腐剂为乳制品中的化学添加剂提供了一个可持续的替代品.
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