ATA161590A - Verfahren zur isolierung eines reinen, weissen koffeins - Google Patents

Verfahren zur isolierung eines reinen, weissen koffeins

Info

Publication number
ATA161590A
ATA161590A AT0161590A AT161590A ATA161590A AT A161590 A ATA161590 A AT A161590A AT 0161590 A AT0161590 A AT 0161590A AT 161590 A AT161590 A AT 161590A AT A161590 A ATA161590 A AT A161590A
Authority
AT
Austria
Prior art keywords
pure
insulating
caffeine
white
white caffeine
Prior art date
Application number
AT0161590A
Other languages
English (en)
Other versions
AT398763B (de
Original Assignee
Mannesmann Ag
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 Mannesmann Ag filed Critical Mannesmann Ag
Publication of ATA161590A publication Critical patent/ATA161590A/de
Application granted granted Critical
Publication of AT398763B publication Critical patent/AT398763B/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • C07D473/12—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1, 3, and 7, e.g. caffeine
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A23F5/20—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
    • A23F5/206—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof by extraction of the beans with selective solvents other than water or aqueous bean extracts, including supercritical gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Tea And Coffee (AREA)
AT0161590A 1989-10-13 1990-07-31 Verfahren zur isolierung eines reinen, weissen koffeins AT398763B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3934655 1989-10-13
DE4019559A DE4019559A1 (de) 1989-10-13 1990-06-15 Verfahren zur isolierung eines reinen, weissen koffeins

Publications (2)

Publication Number Publication Date
ATA161590A true ATA161590A (de) 1994-06-15
AT398763B AT398763B (de) 1995-01-25

Family

ID=25886193

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0161590A AT398763B (de) 1989-10-13 1990-07-31 Verfahren zur isolierung eines reinen, weissen koffeins

Country Status (2)

Country Link
AT (1) AT398763B (de)
DE (1) DE4019559A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4316654A1 (de) * 1993-05-12 1995-01-12 Inst Technologie Und Umweltsch Verfahren zur Abreicherung von Coffein und Chlorogensäuren aus Rohkaffee
DE4400096C2 (de) * 1994-01-04 1997-06-12 Barth Raiser Hopfenextraktion Verfahren zur Entcoffeinierung von schwarzem Tee

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495210A (en) * 1980-05-28 1985-01-22 Societe D'assistance Technique Pour Produits Nestle S.A. Caffeine adsorption
ATE26718T1 (de) * 1983-06-22 1987-05-15 Hag Ag Wiedergewinnung von auf aktivkohle adsorbiertem coffein.
DE3443390A1 (de) * 1984-11-28 1986-05-28 Hopfenextraktion HVG Barth, Raiser & Co, 8069 Wolnzach Verfahren zur abtrennung von coffein aus verfluessigten oder ueberkritischen gasen
DE3806372A1 (de) * 1988-02-24 1989-08-31 Code Kaffee Handel Verfahren zur abtrennung und gewinnung von coffein aus rohkaffee und zur gewinnung von entcoffeiniertem kaffee

Also Published As

Publication number Publication date
AT398763B (de) 1995-01-25
DE4019559A1 (de) 1991-04-18
DE4019559C2 (de) 1992-08-27

Similar Documents

Publication Publication Date Title
DE59000200D1 (de) Verfahren zur gewinnung von erdgas.
DE69002755D1 (de) Verfahren zur herstellung eines geloeteten gegenstandes.
DE3868128D1 (de) Verfahren zur herstellung eines supraleitenden gegenstandes.
DE69002680D1 (de) Verfahren zur herstellung von fluoralkylvinylverbindungen.
DE69022963D1 (de) Verfahren zur herstellung von d-pantolacton.
DE58901598D1 (de) Verfahren zur gewinnung von rohargon.
DE69129908T2 (de) Verfahren zur helligkeitsverbesserung
ATE118498T1 (de) Verfahren zur reinigung von n- phosphonmethylglyzin.
DE69001877D1 (de) Verfahren zur beschichtung.
DE3881474D1 (de) Verfahren zur metallisierung eines lumineszenten schirmes.
DE59001842D1 (de) Verfahren zur herstellung von telomeralkoholen.
DE3687954D1 (de) Verfahren zur herstellung eines tetraalkoxysilans.
DE58903571D1 (de) Verfahren zur dimerisierung von hexafluorpropenoxid.
DE69016460D1 (de) Verfahren zur herstellung von 2-ethylhexyl-para-methoxycinnamat.
DE69032575T2 (de) Verfahren zur herstellung von ferrocenoylderivaten
DE68905595D1 (de) Verfahren zur katalytischen hydrierung von aromatischen halogennitroverbindungen.
DE69023328D1 (de) Verfahren zur herstellung von glycin.
DE69001160D1 (de) Verfahren zur methanolspaltung.
KR910014338A (ko) 알파-불포화 아민의 제조방법
DE59001534D1 (de) Verfahren zur herstellung von aminen.
DE69033758T2 (de) Verfahren zur herstellung von norcamphandikarbonitrilen
DE59002735D1 (de) Verfahren zur herstellung von implantaten.
DE3852542D1 (de) Verfahren zur verbesserung eines profils.
ATA161590A (de) Verfahren zur isolierung eines reinen, weissen koffeins
ATA93190A (de) Verfahren zur herstellung von chinazolinderivaten

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee