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- Material Type
- 規格・テクニカルリポート類
- Author/Editor
- 中田, 忍
- Author Heading
- Publication Date
- 2010-06-01
- Publication Date (W3CDTF)
- 2010
- Alternative Title
- Structure and rheological properties of the seed-surfacemucilage of Karin (Chaenomelese sinensis).
- Target Audience
- 一般
- Note (General)
- 出版タイプ： NAtype:Working Paperカリン果実中の種子表層から分泌される粘性多糖の構造と物性についての検討を行い、以下のような結果を得た。カリン種子粘性多糖にはβ-1,4 結合のキシログルカンと側鎖にアラビノースを有するグルクロノキシランの2 種類の多糖分子鎖から構成され、粘性の発現にはおそらく水素結合により会合していると思われるこの2 種の多糖の存在、とりわけ側鎖の存在が重要であることが示唆された。また、安定した粘性とともに適度な保湿性も有することから、食品分野における嚥下補助材等などへの応用が期待される。The seeds of Karin (Chaenomelese sinensis), usually discarded, are surrounded with transparent mucilage, which appears readily extractable with water to give hydrocolloidal solution. We report the structural features of Karin seed-surfacemucilage and its colloidal characteristics. The structural feature of Karin seed-surface mucilage was assumed as O-2-bstituted D-glucurono-L-arabino-(1→4)-β-D-xylan. This unique seed-surface mucilage may be built up with the above acidic polysaccharide and D-xylo (1→4)-β-D-glucan, associated by intermolecular hydrogen bonding. Fibrous form cellulose was not found by hydrolysis of the Karin mucilage, not like quince. The thixotropic behavior and water-holding capabilities of the mucilage show Karin seed mucilage is appreciable to food additives and cosmetic utilization, such as lotion.