期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 42, 期 2, 页码 641-645出版社
ELSEVIER
DOI: 10.1016/j.lwt.2008.07.008
关键词
Cashew tree gum; Maltodextrin; Spray drying; Barbados cherry
资金
- CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico, Brazil)
The objective of this study was to assess the impact of some processing parameters on moisture content, flowability, hygroscopicity and water solubility of spray dried acerola pomace extract using maltodextrin and cashew tree gum as drying aids. The experiment was conducted according to Response Surface Methodology, with the independent variables being: inlet temperature (170-200 degrees C), drying aid/acerola ratio (2:1-5:1), and percent replacement of maltodextrin by cashew tree gum (0-100%). Higher inlet temperatures favored the desired physical properties of the powders. decreasing their moisture contents and hygroscopicity, and increasing flowability. The drying aids decreased the powder hygroscopicity, especially cashew tree gum (CTG), which also enhanced the powder flowability. The best processing conditions to obtain a free-flowing and least hygroscopic acerola pomace extract powder by spray drying were: inlet temperature above 194 degrees C; drying aid/acerola solid ratio, 4:1; percent replacement of maltodextrin by CrG, at least 80%. (C) 2008 Swiss Society of Food Science and Technology. Published by Elsevier Ltd. All rights reserved.
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