干燥大麻茎的化学和热处理:优化,微观结构和脱水动力学
Ellyas Alga Nainggolan1,2, Jan Banout1, Klara Urbanova1
1Department of Sustainable Technologies, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamýcká 129, 16500 Prague, Czech Republic.
Life (Basel, Switzerland)
|December 23, 2023
概括
用酸,甲基硫酸和漂白优化木的预处理,提高了干燥效率. 这项研究确定了最佳条件,并验证了脱水动力学的对数模型.
科学领域:
- 食品科学与技术 食品科学与技术
- 农业工程 农业工程
- 化学工程是化学工程的重要组成部分.
背景情况:
- 菜的保存对于工业应用至关重要,因为它很容易腐烂.
- 优化预处理和了解干燥动力学对于有效的收获后管理至关重要.
- 响应表面方法有助于优化复杂的食品加工参数.
研究的目的:
- 通过响应表面方法来优化麻的预处理.
- 评估化学和热预处理对麻的质量属性的影响.
- 模拟和分析预处理的脱水动力学.
主要方法:
- 响应表面方法的中央复合设计 (CCD).
- 研究的甲基硫酸盐 (0-4%),酸 (0-4%) 和白化时间 (0-4分钟).
- 评估的水分含量,白度指数,激活能量 (E) 和有效的水分扩散率 (D).
- 应用了五种干燥模型来评估脱水动力学.
主要成果:
- 最佳预处理:1.31%的酸,1.03%的甲基硫酸盐,1.01分钟的漂白.
- 含水量:5.82-9.42%db; 白度指数:87.16-94.23.23. 含水量:5.82-9.42%db; 白度指数:87.16-94.23. 含水量:5.82-9.42%db; 白度指数:87.16-94.23. 含水量:5.82-9.42%db; 白度指数:87.16-94.23.
- 有效扩散率 (D):5.06 × 10−9 到 6.71 × 10−9 m2/s; 激活能量 (E): 29.65-33.28 kJ/mol.
- 逻辑模型最好地描述了脱水动力学 (R2=0.9859).
结论:
- 优化的预处理显著影响麻的微观结构和干燥特性.
- 在最佳条件下,对数模型准确地预测麻脱水.
- 这项研究为高效的麻豆加工和保存提供了一个框架.
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