VERFAHREN ZUR HERSTELLUNG VON ASCORBINSÄURE-2- PHOSPHATSALZEN

A process for producing an ascorbic acid-2-phosphoric ester salt, where an ascorbic acid-2-phosphoric ester salt solution reduced in the content of excess phosphoric acid or a salt thereof mingled in the solution can be obtained from a solution containing an ascorbic acid-2-phosphoric ester or a sal...

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Main Authors KOBAYASHI, YUJI, FUJIWARA, YOSHIO, SAITO, MAKOTO
Format Patent
LanguageGerman
Published 15.05.2003
Edition7
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Abstract A process for producing an ascorbic acid-2-phosphoric ester salt, where an ascorbic acid-2-phosphoric ester salt solution reduced in the content of excess phosphoric acid or a salt thereof mingled in the solution can be obtained from a solution containing an ascorbic acid-2-phosphoric ester or a salt thereof and a phosphoric acid or a salt thereof, with industrially high efficiency. A process for producing an alkaline earth metal salt of an ascorbic acid-2-phosphoric ester, comprising adding an alkaline earth metal compound to a crude solution containing an ascorbic acid-2-phosphoric ester or a salt thereof and a phosphoric acid or a salt thereof, at a liquid temperature of 0 to 30 DEG C to adjust the pH to 8.5 to 10.5.
AbstractList A process for producing an ascorbic acid-2-phosphoric ester salt, where an ascorbic acid-2-phosphoric ester salt solution reduced in the content of excess phosphoric acid or a salt thereof mingled in the solution can be obtained from a solution containing an ascorbic acid-2-phosphoric ester or a salt thereof and a phosphoric acid or a salt thereof, with industrially high efficiency. A process for producing an alkaline earth metal salt of an ascorbic acid-2-phosphoric ester, comprising adding an alkaline earth metal compound to a crude solution containing an ascorbic acid-2-phosphoric ester or a salt thereof and a phosphoric acid or a salt thereof, at a liquid temperature of 0 to 30 DEG C to adjust the pH to 8.5 to 10.5.
Author SAITO, MAKOTO
KOBAYASHI, YUJI
FUJIWARA, YOSHIO
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Snippet A process for producing an ascorbic acid-2-phosphoric ester salt, where an ascorbic acid-2-phosphoric ester salt solution reduced in the content of excess...
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SubjectTerms ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
Title VERFAHREN ZUR HERSTELLUNG VON ASCORBINSÄURE-2- PHOSPHATSALZEN
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