02150naa a2200325 a 450000100080000000500110000800800410001910000230006024501100008326000090019352011450020265000230134765000200137065000170139065000120140765000270141965300340144665300290148065300140150965300220152365300190154565300310156465300270159565300270162265300310164970000210168070000190170170000200172077300840174021117412019-10-01       2019    bl uuuu     u00u1 u    #d1 aJAMES, N. K. da S.  aIncreasing energy efficiency in microencapsulation of soybean oil by spray drying.h[electronic resource]  c2019  aThe aim of this study was to evaluate the influence of inlet air temperature of spray drying on microparticles properties and heat loss on drying chamber in sense to select the conditions that promote the preservation of functional compounds and improve energy efficiency. The energy efficiency of the process was evaluated varying inlet air temperature (T) from 110 to 150 °C and airflow (AF) from 20 to 40kg/h, being the energy efficiency, the response variable. The microspheres presented a continuous surface and no cracking, which hinders the diffusion of air and reduces the probability of triglycerides oxidation in the nucleus. The heat loss curves were plotted considering the principles of mass and energy conservation applied to both input and output currents. Further, the thermodynamic parameters were continuously monitored during the spray dryer. So, the selected operational conditions (T = 130 °C, AF = 20 kg.h1) allowed to achieve high encapsulation efficiency (95%) and saving energy compared to conventional processes using inlet air temperatures above 180 °C, a significant improvement to thermo-sensitive compounds.  aDrying temperature  aFood technology  aSpray drying  aSecagem  aTecnologia de Alimento  aEficiência de encapsulamento  aEncapsulation efficiency  aHeat loss  aLower temperature  aPerda de calor  aSecagem por pulverização  aTemperatura de secagem  aTemperatura mais baixa  aThermo-sensitive compounds1 aCASTRO, L. P. S.1 aFREITAS, S. P.1 aNOGUEIRA, R. I.  tBrazilian Journal of Development, Curitibagv. 5, n. 7, p. 8082-8095 jul. 2019.