Abstract
Infrared radiation (IR) heating has a promising potential to achieve high drying rate, energy saving, effective disinfestation, and disinfection of rough rice. It can also inactivate lipase and extend the storage lives of both rough and brown rice. Moreover, IR can effectively stabilize the rice bran and improve its utilization without affecting the quality of rice bran oil. Consequently, through the recent investigations about IR heating on rice, it has proven the feasibility of simultaneous drying, disinfestation, disinfection, and stabilization. This chapter summarizes the drying characteristics, milling quality, sensory quality, effectiveness of disinfestation and disinfection, rice bran stabilization, and storage stability of rough rice under IR heating. The outcomes of recent studies on rice drying by using IR heating have clearly revealed that a high heating rate, fast drying, good quality, and improved food safety can be achieved. IR drying provides a potential to store brown rice instead of rough rice to retain all benefits with reduced costs. Additionally, IR drying could effectively maintain the stability of physicochemical characteristics of rice during storage. It has been confirmed that IR heating followed by natural cooling should be an effective approach for designing IR rough rice dryers.
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Khir, R., Venkitasamy, C., Pan, Z. (2019). Infrared Heating for Improved Drying Efficiency, Food Safety, and Quality of Rice. In: Jia, J., Liu, D., Ma, H. (eds) Advances in Food Processing Technology. Springer, Singapore. https://doi.org/10.1007/978-981-13-6451-8_10
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