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KMID : 0352719940180030196
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Journal of Ginseng Research
1994 Volume.18 No. 3 p.196 ~ p.199
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Sorption Characteristics of Binary Mixture of Red Ginseng Powder and Maltodextrin or Lactose
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Abstract
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A study was designed to investigate the sorption characteristics of binary mixture of red ginseng powder and maltodextrin(DE-17) or lactose stored at various relative humidities ranging from 52% to 93%. At low relative humidities below RH 67%,
the
sorption equilibrium was easily achieved, whereas at higher relative humidity values over 75%, all of the mixtures tended to absorb moisture continously with an increase in storage time. A linear equation of log(dw/dt)=a log(t)+log b was found to
be
valid between the sorption rate and storage time with respect to storage humidities. A linearity was also found between log(1-Aw) and the amount of water absorbed over the Aw range of 0.52~0.93 and the slope was affected by the kind of sugar
added
with
that of red ginseng powder and maltodextrin mixture being the smallest.
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