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AT279036B - Process for the stabilization of ascorbic acid and its derivatives - Google Patents

Process for the stabilization of ascorbic acid and its derivatives

Info

Publication number
AT279036B
AT279036B AT476168A AT476168A AT279036B AT 279036 B AT279036 B AT 279036B AT 476168 A AT476168 A AT 476168A AT 476168 A AT476168 A AT 476168A AT 279036 B AT279036 B AT 279036B
Authority
AT
Austria
Prior art keywords
stabilization
derivatives
ascorbic acid
ascorbic
acid
Prior art date
Application number
AT476168A
Other languages
German (de)
Original Assignee
Hoffmann La Roche
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Application granted granted Critical
Publication of AT279036B publication Critical patent/AT279036B/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/365—Lactones
    • A61K31/375—Ascorbic acid, i.e. vitamin C; Salts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/06—Preparatory processes

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Fodder In General (AREA)
  • Paints Or Removers (AREA)
AT476168A 1967-06-30 1968-05-17 Process for the stabilization of ascorbic acid and its derivatives AT279036B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH935967A CH509302A (en) 1967-06-30 1967-06-30 Process for the formation of a protective coating on individual particles of ascorbic acid or isoascorbic acid

Publications (1)

Publication Number Publication Date
AT279036B true AT279036B (en) 1970-02-25

Family

ID=4351152

Family Applications (1)

Application Number Title Priority Date Filing Date
AT476168A AT279036B (en) 1967-06-30 1968-05-17 Process for the stabilization of ascorbic acid and its derivatives

Country Status (11)

Country Link
AT (1) AT279036B (en)
BE (1) BE717214A (en)
CH (1) CH509302A (en)
DE (2) DE1793234B1 (en)
DK (1) DK120503B (en)
ES (1) ES355628A1 (en)
FR (1) FR1600826A (en)
GB (1) GB1161289A (en)
IT (1) IT954021B (en)
NL (1) NL150792B (en)
SE (1) SE354185B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA971943B (en) * 1996-06-28 1998-09-07 Unilever Plc Vitamin C delivery system
US5750123A (en) * 1996-06-28 1998-05-12 Chesebrough-Pond's Co., Division Of Conopco, Inc. Vitamin C delivery system
US6087393A (en) * 1999-06-10 2000-07-11 Igen, Inc. Stabilized vitamin C formulations
FR3088345B1 (en) 2018-11-08 2023-09-29 Max Sardou METHOD FOR MANUFACTURING HIGH TEMPERATURE TERMOSTABLE FIBERS
FR3105735B1 (en) 2019-12-26 2023-07-07 Oreal Composition comprising ascorbic acid
FR3117847B1 (en) 2020-12-18 2023-11-24 Oreal Composition comprising aqueous gelling agents, surfactants and ascorbic acid
FR3117803B1 (en) 2020-12-18 2022-12-09 Oreal Composition comprising aqueous gelling agents, surfactant and ascorbic acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051848B (en) * 1956-10-20 1959-03-05 Merck Ag E Process to increase the stability of solid ascorbic acid
NL296020A (en) * 1962-08-16

Also Published As

Publication number Publication date
DK120503B (en) 1971-06-07
IT954021B (en) 1973-08-30
NL150792B (en) 1976-09-15
DE1793234B1 (en) 1972-05-25
ES355628A1 (en) 1969-12-16
GB1161289A (en) 1969-08-13
BE717214A (en) 1968-12-27
SE354185B (en) 1973-03-05
FR1600826A (en) 1970-08-03
NL6808139A (en) 1968-12-31
CH509302A (en) 1971-06-30
DE1300555B (en) 1969-08-07

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time