通过高水静压来保存白葡萄酒残渣
Rosario Ramírez1, Jonathan Delgado1, Javier Rocha-Pimienta1
1Technological Agri-Food Institute (INTAEX). Centro de Investigaciones Científicas y Tecnológicas de Extremadura (CICYTEX). 06071 Badajoz, Spain.
Heliyon
|November 9, 2023
概括
高水压 (HHP) 处理白葡萄酒残渣可以确保微生物的安全性,并保留化合物. 制冷和优化HHP处理可以延长保质期,但酶活性需要进一步控制.
科学领域:
- 食品科学与技术 食品科学与技术
- 生物技术是生物技术.
- 农业副产品价值化 农业副产品价值化
背景情况:
- 白葡萄酒的葡萄汁是生物活性化合物的丰富来源.
- 葡萄酒副产品的价值化对于可持续的食品系统至关重要.
- 微生物破坏和酶降解限制了果汁成分的保质期.
研究的目的:
- 为了评估高水压 (HHP) 处理白葡萄酒残渣的有效性.
- 评估HHP在储存期间对微生物负载,酶活性和化合物的影响.
- 为了确定最佳的加工和储存条件,以延长食品保存的果的保质期.
主要方法:
- 白葡萄酒残渣经过400和600MPa的HHP处理,持续时间为1分钟和6分钟.
- 在4°C和20°C的温度下保存了270天.
- 在处理后和储存期间分析了微生物学,酶学 (多氧化酶) 和物理化学参数 (化合物).
主要成果:
- HHP处理显著降低了微生物的数量,使得麦片在4°C和20°C都具有延长的保质期,在微生物学上是安全的.
- 化合物最初是通过HHP保存的,但由于残留的多氧化酶活性,在储存期间发生了显著的损失.
- 与20°C相比,4°C的化合物降解速度较慢.
- 在最佳条件下 (600 MPa/6 分钟HHP和4°C储存) 产生了安全的90天高含量.
结论:
- 高性葡萄酒有效地确保了微生物安全性,并延长了白葡萄酒残渣的保质期.
- 控制多氧化酶活性对于在储存期间最大限度地保留有价值的化合物至关重要.
- 进一步的研究应该集中在酶非活性化方法上,以提高HHP处理的果作为食品成分的稳定性和保质期.
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