期刊
POWDER TECHNOLOGY
卷 258, 期 -, 页码 209-215出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.powtec.2014.03.038
关键词
Spray drying; Powders: Satureja montana; Hygroscopicity; Essential oil; Sensor properties
资金
- Serbian Ministry of Education and Science [TR 31013]
In this study, the spray drying process of S. montana liquid extract was investigated. The influence of maltodextrin (as a carrier and drying agent) in concentrations of 10%, 30% and 50% on the following parameters was analyzed: production yield, obtained powder properties (hygroscopicity, bulk density, WSI and WAI), sensory properties and the content of beneficial health compounds. In all powders, moisture content was similar and lower than 5%. Powder obtained using 50% of maltodextrin showed the highest bulk density (138.0 mg/ml), the highest WSI (90.55%) and the lowest hygroscopicity. Dry powder, obtained using 10% of maltodextrin, showed the highest content of total phenols (153.61 mg/g), total flavonoids (118.69 mg/g), essential oil (1.2%) and carvacrol (902.52 mg/100 g), as well as the highest antioxidant activity (IC50 = 5.2394 mu g/ml), while ACE inhibition was similar to the other two powders. Sensory properties of S. montana powders were evaluated using two different tests. (C) 2014 Elsevier B.V. All rights reserved.
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