書誌事項
- タイトル別名
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- A Study on the Situation of Water in Various Moist Starches by the Wide Line Method of Proton Magnetic Resonance (PMR)
- ヒロハバ カク ジキ キョウメイ ニヨル シツジュン デンプン ニカンスルケン
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抄録
A study on the situation of water in various starches which adsorbed and desorbed various moisture by means of the vapor pressure method, was undertaken by the wide line method of proton magnetic resonance (PMR). The results were as followed : 1. The half width of the PMR spectra of various starches was reduced by increasing of moisture contents, and especially, it became very narrower in the range of moisture contents more than 20%. 2. There were no significant differences between the half width in moisture adsorption and that in moisture desorption in the same moisture contents . 3. The relation between the half width and moisture contents gave two straight lines which intersected on half-logarithm graph. In the point of intersection of the graph, the moisture contents of various starches, such as tapioca, potato, corn, sweet potato, wheat and rice were 19. 1, 17. 3, 16. 2, 15. 7, 14.4 and 13.7%, respectively and the values of half width of potato, tapioca and other starches in the moisture content of 0% which were estimated by extrapolation were 45, 33 and 35 ppm, respectively.
収録刊行物
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- 澱粉科学
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澱粉科学 24 (4), 95-98, 1977
日本応用糖質科学会
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詳細情報 詳細情報について
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- CRID
- 1390282681268700416
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- NII論文ID
- 130003715479
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- NII書誌ID
- AN00154431
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- ISSN
- 1884488X
- 00215406
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- NDL書誌ID
- 1911065
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可