烯胺在空气炸条中的分布特征和形成机制
Jing Li1, Niansi Zhao2, Xiaotian Huang3
1State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, People's Republic of China; FoShan ShunDe Midea Electrical Heating Appliances Manufacturing Co., Ltd, Foshan, Guangdong 528311, People's Republic of China.
在高空气流速下炸土豆条带会增加烯胺的形成,特别是在边缘. 降低空气流可以帮助减少土豆产品中的烯胺.
科学领域:
- 食品科学 食品科学 食品科学
- 化学工程是化学工程的重要组成部分.
- 营养科学 营养科学
背景情况:
- 烯胺是一种潜在的致癌物质,在高温制粉类食品时形成.
- 了解土豆产品中的烯胺形成对于食品安全至关重要.
- 空气炸是一种流行的方法,具有可变的过程参数.
研究的目的:
- 为了研究在空气炸期间在土豆条中烯胺的分布.
- 为了将烯胺的形成与水的特性和微观结构相关联.
- 为了确定空气流速和处理时间对烯胺生成的影响.
主要方法:
- 条在180°C下加工,使用不同的空气流速 (1.85.0 m/s) 和时间.
- 在不同的土豆部位 (边缘,表面,核心) 中分析了烯胺含量,水分特性和微观结构.
- 追踪了变化,以了解形成机制.
主要成果:
- 烯胺度在边缘 (456.22 μg/kg) 在3.4 m/s的空气流量中最高,明显超过核心 (85.33 μg/kg).
- 湿度含量在边缘 (8.91%) 最低,在核心 (55.78%) 最高.
- 表面的固定水迅速迁移和蒸发,随着空气流量增加和处理时间增加.
结论:
- 空气流速和加工时间显著影响马条中的烯胺分布.
- 边缘区域最容易受到高烯胺的形成,这是由于迅速的水分损失.
- 这些发现支持优化空气参数,以最大限度地减少土豆产品中的烯胺.
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