キラヤ (<i>Quillaja saponaria</i> Molina) サポニン水溶液の泡物性に対する多価アルコールおよび無機電解質の影響

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  • Effect of Polyols and Inorganic Salts on Foam Properties of the Saponins from <i>Quillaja saponaria</i> Molina in Aqueous Solution
  • キラヤ(Quillaja saponaria Molina)サポニン水溶液の泡物性に対する多価アルコールおよび無機電解質の影響
  • キラヤ(Quillaja saponaria Molina)サポニン スイヨウエキ ノ アワ ブッセイ ニ タイスル タカ アルコール オヨビ ムキ デンカイシツ ノ エイキョウ

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Effect of chemical structure of polyols and lyotropic series of inorganic salts on foam properties for saponins from Quillaja saponaria Molina (QSM) in aqueous solution was studied. Inorganic/organic balance (IOB), calculated by the organic conceptual diagram, was used as an index value for various polyols. The foam height of QSM in aqueous solution showed a maximum at the IOB value=2.5, while the foam height was decreased before and after IOB value=2.5. On the other hand, the foam height of SDS in aqueous solution was increased in the region of the IOB value=1.6–2.4, as the IOB value increases, and the foam height was kept constant above the IOB value=2.4. Lyotropic series were used on the characteristics of the inorganic salts. The foam height for QSM in aqueous solution was constant without being affected by lyotropic series of inorganic salts. On the other hand, the foam height of SDS in aqueous solution was reduced as the lyotropic series of inorganic salts becomes smaller. Furthermore, the foam stability of QSM and SDS in aqueous solution was discussed in terms of the reduction of surface tension in the presence of these additives.

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