环真空浸的优化和建模以及与透脱水的比较
Binuja Thomas1, Sudheer Kundukulangara Pulissery2, K B Sankalpa3
1Kerala State Council for Science, Technology & Environment (KSCSTE), Sasthra Bhavan, Thiruvananthapuram, Kerala, India.
Journal of food science
|December 21, 2023
概括
真空浸 (VI) 通过调整真空压力,温度和糖度来优化的保存. 这种方法提高了固体的增加,并减少了与透脱水相比的干燥时间,为延长的保质期提供了一个有希望的替代方案.
科学领域:
- 食品科学与技术 食品科学与技术
- 收获后工程 收获后工程
- 保存技术 保存技术
背景情况:
- 是一种易腐烂的水果,需要有效的加工才能延长保质期.
- 传统的保存方法,如透脱水 (OD) 有局限性.
- 真空浸 (VI) 是一种潜在的替代水果保存方法.
研究的目的:
- 为了优化戒指的真空浸 (VI) 过程参数.
- 为了评估VI的有效性与透脱水 (OD) 相比.
- 为了确定最大限度地提高戒指的理想属性和最大限度地减少不理想属性的最佳条件.
主要方法:
- 使用响应表面方法 (RSM) 和人工神经网络 (ANN) 来建模VI参数与特征之间的关系.
- 关键反应变量包括水分含量 (MC),水损失 (WL),固体增加 (SG),黄色指数 (YI) 和总溶性固体 (TSS).
- VI的有效性通过扫描电子显微镜 (SEM) 和光谱分析与OD进行了比较.
主要成果:
- 确定最佳的VI条件: 31.78kPa真空压力, 50.44°C溶液温度, 60°Brix糖度和 20.07分钟的加工时间.
- 与OD相比,VI导致对细胞破裂较少,毛孔更多,固体增加较高.
- 与OD相比,VI减少了35%的干燥时间,从而提高了整体可接受性和降低了微生物负载.
结论:
- 真空浸是一种有效的保存环的方法,与透脱水相比,它具有显著的优势.
- 优化的VI参数增强了关键的质量属性,并提高了保质期的潜力.
- VI显示承诺作为一种优越的替代品,用于加工易腐烂的水果,如.
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