Microwave Heating as an Alternative Quarantine Method for Disinfestation of Stored Food Grains

Table 1

Dielectric properties of insects at 20–25°C ([32] cited by [33]).

	Frequency (GHz)
Adult insect species	0.2		2.4		9.4		20
	𝜀^′	𝜀^′′	𝜀^′	𝜀^′′	𝜀^′	𝜀^′′	𝜀^′	𝜀^′′
S. oryzae	28	12	17	3	17	3	—	—
L. decemlineata	53	81	38	12	30	16	19	17
S. oryzae	42	28	32	9	25	12	18	13
S. oryzae	55	48	42	13	31	16	23	16
T. castaneum	61	56	47	15	34	19	25	19
O. surinamensis	70	68	53	17	40	21	28	22
R. dominica	63	55	43	15	34	19	25	18

𝜀^′: dielectric constant, 𝜀^′′: dielectric loss.