EFFECT OF SPRAY DRYING PARAMETERS ON ROSEMARY AROMA MICROENCAPSULATION

Results of rosemary oil microcapsulation process are shown in the presented work. The microcapsulation process has taken place in a spray dryer. The core of the microcapsules was maltodextrin. The two mass concentrations of maltodextrin in emulsion, i.e. 25% and 30%, one spray disc speed, inlet air temperature of 200^oC and three feed fluid fluxes were used. Efficiency of closing rosemary aroma in the capsule was estimated by the amount of aroma compounds in the initial emulsion, powders and emulsions received from the powder. The best aroma closure was received in the case of 30% carrier concentration and at the medium flux (64.2 mL/min). It was found that higher powders apparent density and lower bed porosity were responsible for quantity increase of the closed aroma compounds.

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eISSN:	2083-6007
ISSN:	1230-0322

W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.