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首页> 外文期刊>RSC Advances >Effect of water and methanol on the dissolution and gelatinization of corn starch in [MMIM][(MeO)HPO2]
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Effect of water and methanol on the dissolution and gelatinization of corn starch in [MMIM][(MeO)HPO2]

机译：水和甲醇对玉米淀粉在[MMIM] [（MeO）HPO2]中溶解和糊化的影响

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摘要

The effect of water and methanol on the dissolution and gelatinization of corn starch in [MMIM][(MeO)HPO2] was investigated by optical microscopy and differential scanning calorimetry. The presence of an appropriate amount of water can accelerate the dissolution while methanol has the opposite effect. A [MMIM][(MeO)HPO2]/water mass ratio of 7/3 is the best ratio for corn starch to disperse a [MMIM][(MeO) HPO2]-water mixture in, since it can dissolve starch at lower temperature. When methanol was added to the mixture of [MMIM][(MeO)HPO2]/water at a ratio of 8/2 (w/w), the methanol accelerated the dissolution process of the corn starch, since it can penetrate the starch granules and swell the outer layer of granules with water. It is demonstrated that [MMIM][(MeO)HPO2]/water/methanol at a ratio of 8/2/3 (w/w/w) is a good mixed solvent like [MMIM][(MeO) HPO2]/water 7/3 (w/w) for corn starch.
机译：通过光学显微镜和差示扫描量热法研究了水和甲醇对玉米淀粉在[MMIM] [（MeO）HPO2]中的溶解和糊化的影响。适量的水可以促进溶解，而甲醇则相反。 [MMIM] [（MeO）HPO2] /水的质量比为7/3是玉米淀粉分散[MMIM] [（MeO）HPO2]-水混合物的最佳比例，因为它可以在较低的温度下溶解淀粉。当将甲醇以8/2（w / w）的比例添加到[MMIM] [（MeO）HPO2] /水的混合物中时，甲醇会加速玉米淀粉的溶解过程，因为它可以穿透淀粉颗粒并用水将颗粒的外层溶胀。结果表明，[MMIM] [（MeO）HPO2] /水/甲醇的比例为8/2/3（w / w / w）是[MMIM] [（MeO）HPO2] /水的良好混合溶剂。玉米淀粉为7/3（w / w）。

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