書誌事項
- タイトル別名
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- Studies on Monoglycerides by the Differential Scanning Calorimetry. I.
- ジキ サドウ ネツリョウケイ ニ ヨル モノグリセリド ニ カンスル ケンキュウ 1 1-モノパルミチン ノ ユウカイネツ ノ ソクテイ オヨビ 2-モノパルミチン ノ イセイカ ニ ツイテ
- The Determination of Heat of Fusion of 1-Monopalmitin and Isomerization of 2-Monopalmitin
- 1-モノパルミチンの融解熱の測定および2-モノパルミチンの異性化について
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説明
Heat of fusion of 1-monopalmitin was determined using Perkin-Elmer DSC-1 differential scanning calorimeter based on the heat of tin. The DSC analyses were done as follows; 510mg of the sample was placed in an aluminum pan which was placed in a sample holder. An empty pan was put in the reference holder. Heating rate and sensitivity were 10°C/min and range 16, respectively. 1-Monopal-mitin and 2-monopalmitin were prepared by the interesterification of methylpalmitate with glycerol or the acylation of 1, 3-benzylidene glycerol with palmitoyl chloride.<BR>The evident differences were observed between the initial melting curve and the repeated heating curves of pure 1-monopalmitin. The original melting curve shows the endotherm corresponding to the melting of β-form. The repeated heating curves had two endothermic peaks corresponding to sub-α-transformation and the melting of α-form.
収録刊行物
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- 油化学
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油化学 19 (1), 12-15, 1970
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390282680308693248
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- NII論文ID
- 130001021086
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- NII書誌ID
- AN00245435
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- ISSN
- 0513398X
- 18842003
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- NDL書誌ID
- 8467637
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可