DE69322761T2 - Wiedergewinnung von mit Kaffein beladener Aktivkohle unter Verwendung von organischen Solventen - Google Patents

Wiedergewinnung von mit Kaffein beladener Aktivkohle unter Verwendung von organischen Solventen

Info

Publication number
DE69322761T2
DE69322761T2 DE1993622761 DE69322761T DE69322761T2 DE 69322761 T2 DE69322761 T2 DE 69322761T2 DE 1993622761 DE1993622761 DE 1993622761 DE 69322761 T DE69322761 T DE 69322761T DE 69322761 T2 DE69322761 T2 DE 69322761T2
Authority
DE
Germany
Prior art keywords
caffeine
recovery
activated carbon
organic solvents
carbon loaded
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE1993622761
Other languages
English (en)
Other versions
DE69322761D1 (de
Inventor
Pieter Jan Noomen
Putten Corstiaan Van
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sara Lee DE NV
Original Assignee
Sara Lee DE NV
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 Sara Lee DE NV filed Critical Sara Lee DE NV
Publication of DE69322761D1 publication Critical patent/DE69322761D1/de
Application granted granted Critical
Publication of DE69322761T2 publication Critical patent/DE69322761T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A23F5/22—Reducing or removing alkaloid content from coffee extract
    • A23F5/223—Reducing or removing alkaloid content from coffee extract using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers

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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
DE1993622761 1993-02-24 1993-02-24 Wiedergewinnung von mit Kaffein beladener Aktivkohle unter Verwendung von organischen Solventen Expired - Fee Related DE69322761T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19930200524 EP0612744B1 (de) 1993-02-24 1993-02-24 Wiedergewinnung von mit Kaffein beladener Aktivkohle unter Verwendung von organischen Solventen

Publications (2)

Publication Number Publication Date
DE69322761D1 DE69322761D1 (de) 1999-02-04
DE69322761T2 true DE69322761T2 (de) 1999-05-20

Family

ID=8213663

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993622761 Expired - Fee Related DE69322761T2 (de) 1993-02-24 1993-02-24 Wiedergewinnung von mit Kaffein beladener Aktivkohle unter Verwendung von organischen Solventen

Country Status (4)

Country Link
EP (1) EP0612744B1 (de)
CA (1) CA2113384A1 (de)
DE (1) DE69322761T2 (de)
ES (1) ES2127784T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106216A1 (de) * 2001-02-10 2002-08-22 Doehler Euro Citrus Natural Be Grünteeextrakt, Verfahren zur Herstellung desselben und seine Verwendung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4327666A1 (de) 2022-08-26 2024-02-28 ANKA Angewandte Kaffeetechnologie GmbH Verfahren und vorrichtung zur herstellung entkoffeinierter rohkaffeebohnen und koffein unter einsatz von adsorberharzen sowie entsprechende verwendungen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298736A (en) * 1980-06-16 1981-11-03 General Foods Corporation Carbon-caffeine separation
ES8304572A2 (es) * 1981-09-28 1983-03-01 Gen Foods Corp "mejoras introducidas en el objeto de la patente principal n 503.050, solicitada el 15 de junio de 1981, por:un procedimiento para recuperar cafeina desde carbono activado".
US4443601A (en) * 1982-09-20 1984-04-17 General Foods Corporation Recovery of caffeine from caffeine adsorbents
ATE26981T1 (de) * 1983-06-22 1987-05-15 Hag Ag Wiedergewinnung von mit koffein beladener aktivkohle mit heissem wasser.
ATE26718T1 (de) * 1983-06-22 1987-05-15 Hag Ag Wiedergewinnung von auf aktivkohle adsorbiertem coffein.
CA1301754C (en) * 1986-05-30 1992-05-26 Louris Kaper Process for recovering caffeine absorbed in activated carbon, and a process for decaffeinating coffee
CA1318811C (en) * 1986-05-30 1993-06-08 Louris Kaper Process for decaffeinating green coffee
NL8602012A (nl) * 1986-08-06 1988-03-01 Douwe Egberts Tabaksfab Werkwijze voor het winnen van caffeine geadsorbeerd aan actieve kool.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106216A1 (de) * 2001-02-10 2002-08-22 Doehler Euro Citrus Natural Be Grünteeextrakt, Verfahren zur Herstellung desselben und seine Verwendung

Also Published As

Publication number Publication date
EP0612744A1 (de) 1994-08-31
EP0612744B1 (de) 1998-12-23
CA2113384A1 (en) 1994-08-25
DE69322761D1 (de) 1999-02-04
ES2127784T3 (es) 1999-05-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee