期刊
POWDER TECHNOLOGY
卷 385, 期 -, 页码 455-465出版社
ELSEVIER
DOI: 10.1016/j.powtec.2021.03.014
关键词
Citrulline; Watermelon; Rind; Spray drying; Encapsulation; Optimization
资金
- Vicerrectoria de Investigacion y Extension from Universidad Popular del Cesar [059/2016]
This study focused on encapsulating citrulline extract from watermelon rind using spray drying, with commercial pectin concentration playing a significant role in improving drying yield and encapsulation efficiency. Optimal spray drying conditions were identified for stable powder production, showing potential for use as a food additive to create functional products for human consumption.
The aim of this work was to encapsulate of citrulline extract from watermelon rind (by-product) by spray drying. Two different pectins were probed as wall materials in addition to maltodextrin. A Box-Behnken design was ap-plied and three different parameters were evaluated as factors: commercial pectin (CP) concentration, orange produced pectin (OPP) concentration, and inlet air temperature. Different powder properties were evaluated as response variables including drying yield and encapsulation efficiency. The spray drying process was opti-mized by the desirability function. Higher drying yields, moisture contents and encapsulation efficiencies were reached at higher commercial pectin concentration. The optimal spray drying conditions were also determined. The obtained powder at the optimal conditions was characterized using Modulated differential scanning calorim-etry and thermogravimetric analysis. In conclusion, citrulline extract spray-dried powders showed that could be stable during storage, so it might be used as an additive in foods to obtain functional products for human consumption. (c) 2021 Elsevier B.V. All rights reserved.
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