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家庭干燥操作对水分含量,电能消耗,酸,聚醇总含量和切片"富士"果的颜色的影响
Jeanethe Monsalves1, Erick Scheuermann2
1Undergraduate Program Industrial Civil Engineering mention in Bioprocesses, Faculty of Engineering and Sciences, Universidad de La Frontera, Temuco, Chile.
International journal of food science
|December 4, 2023
概括
在家用脱水器中以50°C的温度干燥富士果,可以保持亚酸和多,而70°C可以保持更好的颜色. 家庭脱水器可以生产优质的干果.
科学领域:
- 食品科学 食品科学 食品科学
- 农业工程 农业工程
背景情况:
- 家庭脱水器提供了一种方便的方法来保存诸如果之类的水果.
- 脱水过程可以显著影响果的营养和感官质量.
研究的目的:
- 为了研究干燥温度和质量负荷对家庭脱水的富士果质量的影响.
- 为了评估水分含量,能源消耗,酸,总多含量和颜色变化.
主要方法:
- 切片的富士果 (厚度4毫米) 在50°C和70°C的标称温度下在家庭脱水机中干燥.
- 测试了两种质量负荷 (250g和500g),在五个托盘上均分布.
- 托盘每小时旋转一次,除了中间托盘,在7小时的干燥期间.
主要成果:
- 实际水果温度低于名义设置,旋转托盘和固定托盘之间没有显著差异.
- 较低的质量负载和较高的温度导致最终水分含量较低.
- 在50°C的温度下干燥保留了更高水平的亚酸和总聚醇.
- 在70°C的温度下干燥,与新鲜果相比,颜色变化较小.
结论:
- 家庭脱水器可以生产干燥的富士果,保留营养和感官质量.
- 最佳的干燥温度取决于所需的质量属性,50°C有利于营养物质,70°C保留颜色.
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