Abstract
The aim of this study was to determine the technological mode of the infrared radiation drying of jackfruit product. The infrared radiation drying process of jackfruit product was carried out by the experimental plans. Results obtained were to build the multi-objective optimization problem of the infrared radiation drying process of jackfruit product. By the Utopian Point Method (UPM), solving the multi-objective optimization problem was found out the technological mode of the infrared radiation drying process of jackfruit product as follow: the optimal temperature of infrared radiation drying chamber was 63.43°C, the time of the infrared radiation drying of jackfruit product was 7.13h and the infrared radiation intensity in drying process was 6.40kW/m2. Corresponding to these optimal factors, the energy consumption for 1 kg final product reached the minimum value of 1.38kWh/kg, the residual water content in jackfruit product reached the minimum value of 5.13%, the loss of carbohydrate reached the minimum value of 7.72%.
Highlights
Jackfruit is the fruit plants that are grown popular in Southeast Asia, Sri Lanka, Madagascar and Brazil
They are grown popular in Vietnam and tropical countries, (Hossain and Haq, 2006)
In Vietnam, it is planted from north to south, from the coastal plain to the mountains
Summary
Jackfruit is the fruit plants that are grown popular in Southeast Asia (such as Malaysia, Indonesia, Laos, Cambodia, Thailand and Vietnam), Sri Lanka, Madagascar and Brazil. They are grown popular in Vietnam and tropical countries, (Hossain and Haq, 2006). Jackfruit is a natural product that contains a lot of important nutritional substances for human’s health such as protein, lipid, carbohydrate, mineral salts. According to analytical results of Lab room at HCMC University of Technology and Education, the basic chemical composition of jackfruit product in Viet Nam is presented in Table 1 to 3
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