The study aimed at the determination of the power absorbed by a potato tuber during its microwave-heating with regard to its electrical properties and biometric characteristics. Seed-potatoes, put in the microwave cavity with the capacity of 15.7 dm³, were irradiated for 10 seconds with microwaves at frequencies of 2.45 GHz generated by a 100 W magnetron. The results showed that the method adopted in the experiment allowed for the estimation of microwave energy absorbed by the irradiated potato tuber and for its expression as the amount of absorbed power.

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