Figures (7)  Tables (1)
    • Figure 1. 

      Drying kinetics of pre-cooked mung bean during (a) hot air and (b) microwave drying. Note: H50, H70, and H90 represent hot air drying at 50, 70, and 90 °C, respectively; M60, M300, and M600 represent microwave treatment at 60, 300, and 600 W, respectively.

    • Figure 2. 

      Energy consumption during hot air and microwave drying of pre-cooked mung bean. Note: Same as Fig. 1.

    • Figure 3. 

      Effects of hot air and microwave drying on (a) appearance and (b) color of pre-cooked mung bean. Note: Control-1/Control represents native mung bean; Control-2 represents pre-cooked mung bean; H50, H70, H90, M60, M300, and M600 were same as Fig. 1.

    • Figure 4. 

      (a) Hardness and (b) in vitro digestibility of native and pre-cooked mung bean dried by hot air and microwave. Note: Same as Fig. 3.

    • Figure 5. 

      SEM images of pre-cooked mung bean after hot air and microwave drying. Note: Same as Fig. 3.

    • Figure 6. 

      (a) FT-IR spectra, (b) XRD patterns, (c) relative crystallinity, and (d) RVA curves of native and pre-cooked mung bean dried by hot air and microwave. Note: Same as Fig. 3.

    • Figure 7. 

      Drying process of pre-cooked mung bean during hot air and microwave treatment.

    • TreatmentPeak viscosity
      (cP)
      Trough viscosity (cP)Breakdown
      (cP)
      Final viscosity (cP)Setback
      (cP)
      Control560 ± 24a496 ± 24a64 ± 2a1,011 ± 35a515 ± 18a
      H50348 ± 6b295 ± 5b53 ± 1bc705 ± 6b410 ± 1b
      H70319 ± 20c263 ± 18c55 ± 3b683 ± 7b420 ± 24b
      H90267 ± 3d216 ± 2d51 ± 1c599 ± 7c382 ± 6c
      M6019 ± 1e14 ± 0.6e4 ± 1d39 ± 1d25 ± 1d
      M3009 ± 3e6 ± 3e3 ± 1d22 ± 3de16 ± 1d
      M6002 ± 0e0 ± 0e2 ± 0d10 ± 1e10 ± 1d
      Different letters within same column represents significant difference (p < 0.05). Control represents native mung bean; H50, H70, and H90 represent hot air drying at 50, 70, and 90 ºC, respectively; M60, M300, and M600 represent microwave treatment at 60, 300, and 600 W, respectively.

      Table 1. 

      RVA parameters of pre-cooked mung bean treated by hot air and microwave.