期刊
FOOD RESEARCH INTERNATIONAL
卷 84, 期 -, 页码 143-149出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.foodres.2016.03.030
关键词
Sodium chloride; Dissolution; Fast evaporation; Microcrystals; Particle size
资金
- CONICYT doctoral fellowship [21110317]
Excessive salt (NaCl) intake has been related to several diseases. Small salt crystals that rapidly dissolve in the oral cavity may decrease swallowing of untasted salt. The aim of this research was to evaluate the crystallization of salt as microcrystals by fast water evaporation from droplets of saline solutions within a hot oil phase. The effects of the oil temperature (150; 165 and 180 degrees C), droplet volume (17 and 42 mu L) and brine concentration (15 and 26% w/v) were studied. Crystalline particles with mean sizes between 9 and 23 mu m, and containing about 2% of remaining oil were obtained. The crystal size decreased by increasing the oil temperature, solution concentration and volume of the droplets. The dissolution rate of these microcrystals was more than 2 times faster than that of the original crystals. The microcrystals obtained could be added in surface-salted foods (snacks, salads) to optimize or reduce the sodium intake while maintaining saltiness perception. (C) 2016 Elsevier Ltd. All rights reserved.
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