Iranian Research Organization for Science and Technology (IROST) Innovative Food Technologies 2783-350X 4 1 2016 10 22 Investigation of infrared radiation on drying kinetics and color indexes of Anaryjeh (Froriepia subpinnata) leaf Investigation of infrared radiation on drying kinetics and color indexes of Anaryjeh (Froriepia subpinnata) leaf 45 57 339 10.22104/jift.2016.339 FA Mohammad Mehdi Seyyed Abadi PhD Student, Faculty of Food Science & Technology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran Alireza Asadi Amirabadi PhD Student, Faculty of Food Science & Technology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran Afsaneh Taheri PhD Student, Faculty of Food Science & Technology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran Mehdi Kashaninezhad Professor, Faculty of Food Science & Technology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran Journal Article 2016 06 19 Drying is one of the conventional methods for storing of agricultural products. In this study, double ended infrared lamp as a new heat source was used for drying of Anaryjeh (Froriepia subpinnata) leaf. This study was performed to achieve the minimum drying time and high protection quality of dried product, as well as selection of best model for drying. Anaryjeh leaves were dried in the range of radiation intensity (115, 202.5 and 290 watt) and distance of IR lamps to surface of sample (5, 7.5 and 10 cm). The time of Drying for Anaryjeh leaves to reach of constant moisture (wet based) was measured. Drying behavior of Anaryjeh leaves in IR dryer was evaluated with mathematical model; consist of Page, Wang & Singh, Parabolic and Logarithmic. The results showed an increase in power (intensity); drying time decreased. Also with increasing in distance of IR lamps to sample surface, enhanced drying time. An increase in distance of samples from the radiation source; L * of Anaryjeh leaves reduced and enhanced, respectively. Moreover, the result of fitting by 4 model showed that the page model with the highest R² and lowest RMSE and SSE, was the best model to predict the drying behavior of Anaryjeh leaves in experiment conditions. Drying is one of the conventional methods for storing of agricultural products. In this study, double ended infrared lamp as a new heat source was used for drying of Anaryjeh (Froriepia subpinnata) leaf. This study was performed to achieve the minimum drying time and high protection quality of dried product, as well as selection of best model for drying. Anaryjeh leaves were dried in the range of radiation intensity (115, 202.5 and 290 watt) and distance of IR lamps to surface of sample (5, 7.5 and 10 cm). The time of Drying for Anaryjeh leaves to reach of constant moisture (wet based) was measured. Drying behavior of Anaryjeh leaves in IR dryer was evaluated with mathematical model; consist of Page, Wang & Singh, Parabolic and Logarithmic. The results showed an increase in power (intensity); drying time decreased. Also with increasing in distance of IR lamps to sample surface, enhanced drying time. An increase in distance of samples from the radiation source; L * of Anaryjeh leaves reduced and enhanced, respectively. Moreover, the result of fitting by 4 model showed that the page model with the highest R² and lowest RMSE and SSE, was the best model to predict the drying behavior of Anaryjeh leaves in experiment conditions. https://jift.irost.ir/article_339_87058f2f7fad2719ea33563bae5c6b97.pdf