List of Articles Spray Dryer Open Access Article Abstract Page Full-Text 1 - Optimization of Spray Drying Process to Produce Microencapsulated Powders of Functional Extract Obtained from Red-Beet Sh. Yousefi Open Access Article Abstract Page Full-Text 2 - Investigation on the Effect of Arabic Gum Concentration and Spray Dryer Temperature on the Physicochemical Properties of Aloe Vera Powder M. Nouhi Sh. Shabani F. Zamani-Hargalani