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GLUCOSE ISOMERIZATION [2 records]
Record 1 - internal organization data 1990-01-10
Record 1, English
Record 1, Subject field(s)
- Biological Sciences
Record 1, Main entry term, English
- enzymatic isomerization
1, record 1, English, enzymatic%20isomerization
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
In recent years, there has been increasing interest in glucose syrups due to the development of large scale processes for the enzymatic isomerization of glucose. Starch is now the cheapest and the most available material for the production of glucose; and this process, using soluble amyloglucosidase, has been studied well and has been used in industry for a long time in many countries. 1, record 1, English, - enzymatic%20isomerization
Record 1, French
Record 1, Domaine(s)
- Sciences biologiques
Record 1, Main entry term, French
- isomérisation enzymatique
1, record 1, French, isom%C3%A9risation%20enzymatique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La fluctuation des cours mondiaux du sucre de canne ou de betterave a entraîné le développement de la fabrication des sirops de glucose à partir d'amidon de céréales. L'isomérisation enzymatique d'une fraction du glucose conduit à des sirops à 42 % de fructose (exprimés en matière sèche) dont le pouvoir sucrant est comparable à celui du saccharose. Or la glucose isomérase fixée présente des caractéristiques intéressantes : son utilisation sur de longues périodes compense son prix de production élevé, elle est stable à 60 ° et son taux de conversion de glucose en fructose est bon. 1, record 1, French, - isom%C3%A9risation%20enzymatique
Record number: 1, Textual support number: 1 OBS
Voir "isomère", "isomérase". 2, record 1, French, - isom%C3%A9risation%20enzymatique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1985-03-25
Record 2, English
Record 2, Subject field(s)
- Biochemistry
Record 2, Main entry term, English
- catalytic half-life 1, record 2, English, catalytic%20half%2Dlife
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
It should be kept in mind that the catalysts used in many chemical processes has half lives of months or years, often at very high temperatures and pressures. The catalytic half lives of several immobilized cell systems also are very respectable : 120 days(aspartic acid production), more than 50 days(malic acid production), more than 270 days(malic acid degradation), and 60 days(glucose isomerization). 1, record 2, English, - catalytic%20half%2Dlife
Record 2, French
Record 2, Domaine(s)
- Biochimie
Record 2, Main entry term, French
- demi-vie catalytique
1, record 2, French, demi%2Dvie%20catalytique
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Il ne faut pas perdre de vue que les catalyseurs utilisés dans de nombreux procédés chimiques ont des demi-vies qui se comptent en mois ou en années, souvent à des températures et à des pressions très élevées. Les demi-vies catalytiques de plusieurs systèmes à cellules immobilisées sont également très respectable : 120 jours (production d'acide aspartique), plus de 50 jours (production d'acide malique), plus de 270 jours (dégradation de l'acide malique) et 60 jours (isomérisation du glucose). 1, record 2, French, - demi%2Dvie%20catalytique
Record 2, Spanish
Record 2, Textual support, Spanish
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