Translate 
Abstract
In order to improve heat pump drying efficiency and quality attributes of scallop adductors (SA), they were pretreated with 100% ethanol for different time, viz., 30, 60, 90, 120 and 150 min (coded as E-30, E-60, E-90, E-120 and E-150, respectively). Compared to the E-30, the drying time required to reach a moisture ratio of 0.25 decreased by 8.57, 14.68, 18.99 and 23.24% for the E-60, E-90, E-120 and E-150, respectively. The Weibull model effectively described the drying behaviors of SA. The effective moisture diffusivity coefficient calculated using Fick′s diffusion model and Weibull model ranged from 1.859 to 2.258 × 10−9 and 1.649 to 2.005 × 10−10 m2·s−1, respectively. The dominant water component in the SA was the immobilized water (T 22), which decreased during drying and with longer ethanol pretreatment time. The proportion of T 22 dropped from 86.52 − 91.31% to 37.42 − 44.56%, indicating its instability during drying. The total color difference, shrinkage rate, hardness, springiness and chewiness decreased with increasing ethanol pretreatment time, while the rehydration ratio improved. Overall, E-150 was recommended to achieve high-quality dried SA with enhanced drying efficiency.
Published Version
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
