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Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers
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| Zeitschriftentitel: | Crystal Research and Technology |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Crystal Research and Technology, 32, 1997, 8, S. 1057-1065 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Sgualdino, G. Vaccari, G. Mantovani, G. Aquilano, D. Sgualdino, G. Vaccari, G. Mantovani, G. Aquilano, D. |
|---|---|
| author |
Sgualdino, G. Vaccari, G. Mantovani, G. Aquilano, D. |
| spellingShingle |
Sgualdino, G. Vaccari, G. Mantovani, G. Aquilano, D. Crystal Research and Technology Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers Condensed Matter Physics General Materials Science General Chemistry |
| author_sort |
sgualdino, g. |
| spelling |
Sgualdino, G. Vaccari, G. Mantovani, G. Aquilano, D. 0232-1300 1521-4079 Wiley Condensed Matter Physics General Materials Science General Chemistry http://dx.doi.org/10.1002/crat.2170320807 <jats:title>Abstract</jats:title><jats:p>Experimental evidences show that α‐D‐glucose and β‐D‐fructose work as habit‐modifiers of sucrose crystals grown from aqueous solutions at high concentration only. Their ability to affect the sucrose habit is examined from structural point of view, through stereochemical analysis of both additive molecules and surface sites on some significant polar and non‐polar forms of sucrose crystal. We referred to the classical TLK (terraces, ledges, kinks) model and restricted the adsorption interactions to the H‐bondings only. Notwithstanding the simple qualitative model we adopted, our method of analysis appears satisfactory to interpret analogies and differences in selectivity between glucose and fructose. However, it is not able to explain why the additive concentrations, needed to induce macroscopic effects. are so high. To clear this aspect, we assumed a behaviour as “disruption tailor‐made additives” for both monosaccharides. Finally, sucrose crystals grown in the presence of equimolecular mixture of glucose and fructose (50 + 50 g/100 g H<jats:sub>2</jats:sub>O), examined by X‐ray powder diffractometry, show the systematic splitting of main diffraction peaks; the systematic effect reveals the influence of both impurities on the bulk structure of sucrose crystal.</jats:p> Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers Crystal Research and Technology |
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10.1002/crat.2170320807 |
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| title |
Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_unstemmed |
Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_full |
Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_fullStr |
Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_full_unstemmed |
Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_short |
Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_sort |
glucose and fructose adsorption on sucrose crystals. their role as habit‐modifiers |
| topic |
Condensed Matter Physics General Materials Science General Chemistry |
| url |
http://dx.doi.org/10.1002/crat.2170320807 |
| publishDate |
1997 |
| physical |
1057-1065 |
| description |
<jats:title>Abstract</jats:title><jats:p>Experimental evidences show that α‐D‐glucose and β‐D‐fructose work as habit‐modifiers of sucrose crystals grown from aqueous solutions at high concentration only. Their ability to affect the sucrose habit is examined from structural point of view, through stereochemical analysis of both additive molecules and surface sites on some significant polar and non‐polar forms of sucrose crystal. We referred to the classical TLK (terraces, ledges, kinks) model and restricted the adsorption interactions to the H‐bondings only. Notwithstanding the simple qualitative model we adopted, our method of analysis appears satisfactory to interpret analogies and differences in selectivity between glucose and fructose. However, it is not able to explain why the additive concentrations, needed to induce macroscopic effects. are so high. To clear this aspect, we assumed a behaviour as “disruption tailor‐made additives” for both monosaccharides. Finally, sucrose crystals grown in the presence of equimolecular mixture of glucose and fructose (50 + 50 g/100 g H<jats:sub>2</jats:sub>O), examined by X‐ray powder diffractometry, show the systematic splitting of main diffraction peaks; the systematic effect reveals the influence of both impurities on the bulk structure of sucrose crystal.</jats:p> |
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| author | Sgualdino, G., Vaccari, G., Mantovani, G., Aquilano, D. |
| author_facet | Sgualdino, G., Vaccari, G., Mantovani, G., Aquilano, D., Sgualdino, G., Vaccari, G., Mantovani, G., Aquilano, D. |
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| description | <jats:title>Abstract</jats:title><jats:p>Experimental evidences show that α‐D‐glucose and β‐D‐fructose work as habit‐modifiers of sucrose crystals grown from aqueous solutions at high concentration only. Their ability to affect the sucrose habit is examined from structural point of view, through stereochemical analysis of both additive molecules and surface sites on some significant polar and non‐polar forms of sucrose crystal. We referred to the classical TLK (terraces, ledges, kinks) model and restricted the adsorption interactions to the H‐bondings only. Notwithstanding the simple qualitative model we adopted, our method of analysis appears satisfactory to interpret analogies and differences in selectivity between glucose and fructose. However, it is not able to explain why the additive concentrations, needed to induce macroscopic effects. are so high. To clear this aspect, we assumed a behaviour as “disruption tailor‐made additives” for both monosaccharides. Finally, sucrose crystals grown in the presence of equimolecular mixture of glucose and fructose (50 + 50 g/100 g H<jats:sub>2</jats:sub>O), examined by X‐ray powder diffractometry, show the systematic splitting of main diffraction peaks; the systematic effect reveals the influence of both impurities on the bulk structure of sucrose crystal.</jats:p> |
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| imprint | Wiley, 1997 |
| imprint_str_mv | Wiley, 1997 |
| institution | DE-Gla1, DE-Zi4, DE-15, DE-Rs1, DE-Pl11, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161 |
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| physical | 1057-1065 |
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| series | Crystal Research and Technology |
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| spelling | Sgualdino, G. Vaccari, G. Mantovani, G. Aquilano, D. 0232-1300 1521-4079 Wiley Condensed Matter Physics General Materials Science General Chemistry http://dx.doi.org/10.1002/crat.2170320807 <jats:title>Abstract</jats:title><jats:p>Experimental evidences show that α‐D‐glucose and β‐D‐fructose work as habit‐modifiers of sucrose crystals grown from aqueous solutions at high concentration only. Their ability to affect the sucrose habit is examined from structural point of view, through stereochemical analysis of both additive molecules and surface sites on some significant polar and non‐polar forms of sucrose crystal. We referred to the classical TLK (terraces, ledges, kinks) model and restricted the adsorption interactions to the H‐bondings only. Notwithstanding the simple qualitative model we adopted, our method of analysis appears satisfactory to interpret analogies and differences in selectivity between glucose and fructose. However, it is not able to explain why the additive concentrations, needed to induce macroscopic effects. are so high. To clear this aspect, we assumed a behaviour as “disruption tailor‐made additives” for both monosaccharides. Finally, sucrose crystals grown in the presence of equimolecular mixture of glucose and fructose (50 + 50 g/100 g H<jats:sub>2</jats:sub>O), examined by X‐ray powder diffractometry, show the systematic splitting of main diffraction peaks; the systematic effect reveals the influence of both impurities on the bulk structure of sucrose crystal.</jats:p> Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers Crystal Research and Technology |
| spellingShingle | Sgualdino, G., Vaccari, G., Mantovani, G., Aquilano, D., Crystal Research and Technology, Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers, Condensed Matter Physics, General Materials Science, General Chemistry |
| title | Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_full | Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_fullStr | Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_full_unstemmed | Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_short | Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| title_sort | glucose and fructose adsorption on sucrose crystals. their role as habit‐modifiers |
| title_unstemmed | Glucose and Fructose Adsorption on Sucrose Crystals. Their Role as Habit‐Modifiers |
| topic | Condensed Matter Physics, General Materials Science, General Chemistry |
| url | http://dx.doi.org/10.1002/crat.2170320807 |