Comparative study demonstrates graphene far-infrared drying accelerates moisture loss and lowers energy use in chicken jerky, highlighting its industrial food processing potential.
Graphene exhibits excellent infrared emissivity and an electrothermal conversion rate, rendering it a suitable candidate for use as an infrared heating element. In this study, a far-infrared drying system was established using graphene heating plates as infrared emitters, and the effects of graphene far-infrared drying (GFD), hot air drying (HAD), and infrared drying (IRD) on the drying characteristics, energy consumption, drying kinetics, and physicochemical properties of chicken jerky were investigated. The results showed that graphene infrared radiation promoted the conversion of internal water to free water in the samples, which resulted in the highest water diffusion efficiency in the samples treated with GFD. Compared to HAD and IRD, GFD significantly reduced drying time and energy consumption. The MRI results showed that the GFD treated samples had the most homogeneous internal moisture distribution, and thus the chicken jerky maintained the minimum shear force and hardness. Inconclusion, GFD demonstrates significant advantages in drying efficiency, energy consumption and meat quality, presenting considerable potential for application in the industrial production of jerky. • A far infrared drying system based on graphene was designed. • Graphene far infrared drying (GFD) significantly reduces energy consumption. • GFD enhances moisture flowability and shortens drying time. • GFD exhibits high drying uniformity and improved texture.
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Miao et al. (2025) studied this question.
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