DSC thermogram of the inulin samples showed an endothermic
shift due to glass transition, and Tg value was evaluated from
the onset point of the shift (data not shown). Some glassy samples
(Tg > 298 K) showed the recovery of enthalpy relaxation depending
on the thermal history. In order to cancel the effect of the thermal
history on Tg, the samples were re-scanned after cooling, and Tg
was evaluated from the DSC thermogram obtained from the second
scanning (Haque, Kawai, & Suzuki, 2006; Kawai et al., 2005). The