预处理对流态化干燥机中土耳其莓干燥的影响

IF 1 4区工程技术 Q4 CHEMISTRY, APPLIED

Chemical Industry & Chemical Engineering Quarterly Pub Date : 2021-01-01 DOI:10.2298/ciceq201120028b

R. Barathiraja, P. Thirumal, G. Saraswathy, I. Rahamathullah

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引用次数: 1

摘要

由于去除了果皮上的蜡层，因此评估了物理、化学、物理组合和杂交处理等预处理方法对土耳其浆果果实干燥过程中水分扩散的影响。预处理和未处理的样品在70℃下干燥。C和4米/秒的气流在流化床干燥器。磨耗和烫漂联合处理的果实干燥时间最短，维生素c含量保持率为36%。最高干燥速率为0.396 kg水/kg db min?1、物理预处理与干燥相结合的水果，其最大有效水分扩散系数为6.002 × 10-10 m2/s，体积收缩率为0.68。未处理样品的最大颜色变化E = 14.75，色度C = - 10.53。

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Effects of pretreatments on drying of Turkey berry in fluidized bed dryer

The influence of pre-treatment methods like physical, chemical, combined physical, and hybrid treatments on the Turkey berry fruits to enhance the water diffusion during drying was assessed due to the removal of a waxy layer on the peel. Pre-treated and untreated samples were dried at 70?C and 4 m/s of air flow in a fluidized bed dryer. Fruits pre-treated with combined abrasion and blanching have the lowest drying time, and favorable Vitamin-C content retention of 36%. The highest drying rate of 0.396 kg water/kg db min?1, maximum effective moisture diffusivity of 6.002 x 10-10 m2/s, and volumetric shrinkage ratio of 0.68 were obtained for fruits which undergone combined physical pre-treatment along with drying. The maximum change in color ?E = 14.75 and Chroma ?C = - 10.53 were obtained for the un-treated samples.

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来源期刊

Chemical Industry & Chemical Engineering Quarterly CHEMISTRY, APPLIED-ENGINEERING, CHEMICAL

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

3.3 months

期刊介绍： The Journal invites contributions to the following two main areas: • Applied Chemistry dealing with the application of basic chemical sciences to industry • Chemical Engineering dealing with the chemical and biochemical conversion of raw materials into different products as well as the design and operation of plants and equipment. The Journal welcomes contributions focused on: Chemical and Biochemical Engineering [...] Process Systems Engineering[...] Environmental Chemical and Process Engineering[...] Materials Synthesis and Processing[...] Food and Bioproducts Processing[...] Process Technology[...]