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Table 1 Regression equations and correlation coefficients of dielectric properties for five edible fungi powders (R2)

From: Dielectric properties of edible fungi powder related to radio-frequency and microwave drying

Frequency (MHz) Dielectric constant (ε’) Dielectric loss factor (ε”)
Pleurotus eryngii
 27 ε’ = −74.9158 + 0.8672 T + 297.5579 W(R2 = 0.9495) ε” = − 392.792 + 4.4708 T + 1266.036 W(R2 = 0.9424)
 40 ε’ = − 56.9852 + 0.6875 T + 231.8879 W(R2 = 0.9457) ε” = −266.215 + 3.03976 T + 859.9247 W(R2 = 0.9454)
 915 ε’ = −22.9905 + 0.3017 T + 99.70858 W(R2 = 0.9684) ε” = −20.0743 + 0.23216 T + 72.4287 W(R2 = 0.9869)
 2450 ε’ = −18.6761 + 0.2496 T + 81.7795 W(R2 = 0.9546) ε” = −12.3889 + 0.14357 T + 48.7449 W(R2 = 0.9627)
Flammulina velutipes
 27 ε’ = −60.3683 + 0.8701 T + 235.3554 W(R2 = 0.944) ε” = − 299.52 + 3.7894 T + 970.2958 W(R2 = 0.919)
 40 ε’ = −47.1171 + 0.6826 T + 193.8688 W(R2 = 0.949) ε” = − 205.114 + 2.6039 T + 667.2806 W(R2 = 0.9318)
 915 ε’ = −17.0753 + 0.2668 T + 80.9498 W(R2 = 0.9276) ε” = −16.6038 + 0.2195 T + 60.9836 W(R2 = 0.9024)
 2450 ε’ = −12.971 + 0.2077 T + 63.0395 W(R2 = 0.9203) ε” = −10.2345 + 0.1329 T + 40.946 W(R2 = 0.9868)
Agaricus bisporus
 27 ε’ = −65.3171 + 0.9818 T + 235.9902 W(R2 = 0.9362) ε” = − 416.175 + 6.2894 T + 1112.254 W(R2 = 0.9791)
 40 ε’ = −52.1488 + 0.7962 T + 193.9608 W(R2 = 0.9434) ε” = − 283.77 + 4.2883 T + 763.7767 W(R2 = 0.9337)
 915 ε’ = −18.3079 + 0.2903 T + 76.3639 W(R2 = 0.9556) ε” = −21.1307 + 0.3157 T + 65.1009 W(R2 = 0.978)
 2450 ε’ = − 13.6822 + 0.2265 T + 58.1319 W(R2 = 0.9489) ε” = −11.8995 + 0.1744 T + 39.834 W(R2 = 0.9119)
Velvet mushroom
 27 ε’ = −55.9134 + 0.8158 T + 201.5411 W(R2 = 0.9171) ε” = − 261.638 + 3.5709 T + 712.8062 W(R2 = 0.9673)
 40 ε’ = −42.0661 + 0.6263 T + 158.5781 W(R2 = 0.9338) ε” = −179.433 + 2.4546 T + 532.6113 W(R2 = 0.9732)
 915 ε’ = − 13.4923 + 0.2249 T + 58.3516 W(R2 = 0.944) ε” = − 14.1945 + 0.1977 T + 47.0965 W(R2 = 0.9736)
 2450 ε’ = −10.0243 + 0.1784 T + 44.9965 W(R2 = 0.9335) ε” = − 8.1648 + 0.1133 T + 29.5383 W(R2 = 0.9134)
Straw mushroom
 27 ε’ = −64.6363 + 0.8826 T + 253.2708 W(R2 = 0.9162) ε” = − 349.441 + 4.6281 T + 1092.099 W(R2 = 0.9693)
 40 ε’ = −53.3488 + 0.7265 T + 216.0695 W(R2 = 0.9272) ε” = −239.195 + 3.1689 T + 752.551 W(R2 = 0.9749)
 915 ε’ = −19.4398 + 0.2747 T + 87.3258 W(R2 = 0.9462) ε” = −19.2365 + 0.2528 T + 68.4678 W(R2 = 0.9654)
 2450 ε’ = −14.9895 + 0.2196 T + 68.7421 W(R2 = 0.9373) ε” = −11.175 + 0.1469 T + 42.8537 W(R2 = 0.907)