Production of Tomato Powder by Refractance Window Drying

被引：68

作者：

Castoldi, M. ^{[1
]}

Zotarelli, M. F. ^{[1
]}

Durigon, A. ^{[1
]}

Carciofi, B. A. M. ^{[1
]}

Laurindo, J. B. ^{[1
]}

机构：

[1] Univ Fed Santa Catarina, Dept Chem & Food Engn, BR-88040900 Florianopolis, SC, Brazil

来源：

DRYING TECHNOLOGY | 2015年 / 33卷 / 12期

关键词：

Food drying; Powder; Refractance window; Thermography; Tomato; GLASS-TRANSITION TEMPERATURE; WATER SORPTION; DEHUMIDIFIED AIR; LYCOPENE DEGRADATION; PULP; MALTODEXTRIN;

D O I：

10.1080/07373937.2014.989327

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The aims of this work were to investigate the drying of tomato pulp by refractance window (RW) and the effects of process conditions on the drying rates and characteristics of the dry powder. Different heating water temperatures (65, 75, 85, and 95 degrees C) and pulp thickness (2 and 3mm) were studied for drying 4.8-5.2 degrees Brix pulps. The powder characteristics were assessed from its solubility, dispersion time, water sorption isotherm, and color. Shorter drying time (17 minutes) was observed to the lower pulp thickness and higher drying temperature. The solubility of tomato powders was approximately 80%, and the dispersion time was lower than one minute. The color change (E) of rehydrated powder showed an increase with increasing process temperature. These results indicate that RW is an adequate procedure for the production of tomato powder.

引用

页码：1463 / 1473

页数：11

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