Sample Jerusalem artichoke (Helianthus tuberosus)
№1Vacuum IR drying:-drying is the temperature - 65°C;-vacuum - (-0.8 atm). №2IR drying:- the drying temperature - 9C;- without vacuum - (1 atm).
Relative humidity, % Sorption, % Desorption, % Sorption, % Desorption, %
10 0,20 0,50 0,45 0,60
30 0,50 1,40 1,40 2,10
50 2,40 3,40 3,60 4,70
65 6,20 6,90 7,50 11,20
80 14,70 32,50 18,20 26,50
90 31,50 40,20 34,20 41,50
100 44,00 44,00 49,00 49,00
The value of water vapor sorption samples №1 artichoke tubers at 65% relativehumidity of 6.2% and samples of tubers of Jerusalem artichoke №2, different dryingmethod, the sorption of water vapor at the same relative humidity is 7.5%.
Table 1: Sorption and desorption of water vapor samples of tubers of Jerusalem artichoke (Helianthus tuberosus).