Freezing Point Depression of Polyol-Aqueous Solutions in the High Concentration Range.
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概要
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Freezing points of polyol-aqueous solutions (xylitol, sorbitol, maltitol, lactitol, and hydrogenated corn syrup) were measured in the high concentration (30-60%) range and compared with those of their corresponding reducing sugar-ones (xylose, glucose and corn syrup). The freezing point depression (<I>ΔT</I>) of the formers solutions except for the hydrogenated corn syrup tended to be smaller than those of the latter ones. These solutions were not subject to Raoult's law but successfully fitted to Weast's equation for <I>ΔT</I> in the non-ideal equation. Molecular weights or mean molecular weights of saccharides would generally be derived from the slope obtained by Weast's equation and those closely resembled the known chemical molecular ones. Also, <I>ΔT</I> was found to be proportional to the reciprocal of the mean dextrose polymerization.
- 社団法人 日本食品科学工学会の論文
著者
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SHIMOYAMADA Makoto
The United Graduate School of Agricultural Science, Gifu University
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Watanabe Kenji
The United Graduate School Of Agricultural Science Gifu University
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SHIMOYAMADA Makoto
The United Graduate School of Agriculture Science, Gifu University
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URAJI Tatsuya
Nikken Fine Chemical Co., Ltd.
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KOHNO Hiroyuki
Nikken Fine Chemical Co., Ltd.
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YOSHIMURA Hiroshi
Nikken Fine Chemical Co., Ltd.
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