GB1584199A - Process for separating caffeine from supercritical solutions - Google Patents

Process for separating caffeine from supercritical solutions Download PDF

Info

Publication number
GB1584199A
GB1584199A GB34415/77A GB3441577A GB1584199A GB 1584199 A GB1584199 A GB 1584199A GB 34415/77 A GB34415/77 A GB 34415/77A GB 3441577 A GB3441577 A GB 3441577A GB 1584199 A GB1584199 A GB 1584199A
Authority
GB
United Kingdom
Prior art keywords
caffeine
process according
ion
effected
aqueous
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
Application number
GB34415/77A
Other languages
English (en)
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.)
Hag AG
Original Assignee
Hag 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 Hag AG filed Critical Hag AG
Publication of GB1584199A publication Critical patent/GB1584199A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0203—Solvent extraction of solids with a supercritical fluid
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00—Tea; Tea substitutes; Preparations thereof
    • A23F3/36—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
    • A23F3/366—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof by extraction of the leaves with selective solvents
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0292—Treatment of the solvent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Tea And Coffee (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
GB34415/77A 1976-08-18 1977-08-16 Process for separating caffeine from supercritical solutions Expired GB1584199A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2637197A DE2637197C2 (de) 1976-08-18 1976-08-18 Verfahren zum Entzug von Coffein aus coffeinhaltigen Naturstoffen mit einem überkritischen Extraktionsmittel

Publications (1)

Publication Number Publication Date
GB1584199A true GB1584199A (en) 1981-02-11

Family

ID=5985753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34415/77A Expired GB1584199A (en) 1976-08-18 1977-08-16 Process for separating caffeine from supercritical solutions

Country Status (8)

Country Link
US (1) US4411923A (https=)
BE (1) BE857905A (https=)
CH (1) CH629653A5 (https=)
DE (1) DE2637197C2 (https=)
FR (1) FR2361824A1 (https=)
GB (1) GB1584199A (https=)
IT (1) IT1080797B (https=)
NL (1) NL178649C (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050482A1 (en) * 1980-10-16 1982-04-28 A.G. (Patents) Limited A method for the production of decaffeinated tea

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL187665C (nl) * 1977-08-05 1991-12-16 D E J Int Research Werkwijze voor het verwijderen van cafeine uit een waterige koffie- of thee-extract en werkwijze voor het verwijderen van cafeine uit groene koffiebonen.
NL7712503A (nl) * 1977-11-14 1979-05-16 D E J Int Research Werkwijze voor het decaffeineren van groene koffiebonen.
US4255461A (en) * 1979-11-13 1981-03-10 General Foods Corporation Preparation of a decaffeinated roasted coffee blend
DE3303679A1 (de) * 1983-02-03 1984-08-16 HAG GF AG, 2800 Bremen Verfahren zur entcoffeinierung von roestkaffee
DE3313339A1 (de) * 1983-04-13 1984-10-18 Kord Beteiligungsgesellschaft mbH & Co KG, 2000 Hamburg Verfahren zur herstellung von entcoffeinierten genussmitteln
DE3331906A1 (de) * 1983-09-03 1985-03-21 Kohlensäure-Werke Rud. Buse GmbH & Co, 5462 Bad Hönningen Verfahren zur trennung von organische bestandteile enthaltenden stoffgemischen
DE3339181A1 (de) * 1983-10-28 1985-05-09 Uhde Gmbh, 4600 Dortmund Verfahren und vorrichtung zur entkoffeinierung von teeblaettern
DE3445502A1 (de) * 1983-12-13 1985-06-20 Cafe Toro Ltda., Bogota Verfahren und einrichtung zur entcoffeinierung von gruenem kaffee
US4728525A (en) * 1983-12-13 1988-03-01 Pablo Toro Process for the decaffeination of green coffee
DE3413869A1 (de) * 1984-04-12 1985-10-17 Hopfenextraktion HVG Barth, Raiser & Co, 8069 Wolnzach Verfahren zur entcoffeinierung von schwarzem tee
DE3414767A1 (de) * 1984-04-18 1985-11-07 Hopfenextraktion HVG Barth, Raiser & Co, 8069 Wolnzach Verfahren zur herstellung von entcoffeiniertem schwarzen oder gruenen tee
DE3415844C2 (de) * 1984-04-27 1994-02-03 Sueddeutsche Kalkstickstoff Verfahren zur Herstellung von entkoffeiniertem Tee
EP0167399A3 (en) * 1984-07-06 1987-08-26 General Foods Corporation Decaffeination of fermented unfired tea
DE3515740A1 (de) * 1985-05-02 1986-11-06 Skw Trostberg Ag, 8223 Trostberg Verfahren zur entcoffeinierung von tee
US4598006A (en) * 1985-05-02 1986-07-01 Hercules Incorporated Method for impregnating a thermoplastic polymer
DE3632401A1 (de) * 1986-09-24 1988-04-07 Barth Raiser Hopfenextraktion Verfahren zur extraktion unpolarer inhaltsstoffe aus hopfen
DE3640333C3 (de) * 1986-11-26 1994-08-11 Barth Raiser Hopfenextraktion Verfahren und Vorrichtung zur Herstellung von aromatisiertem, entcoffeiniertem Tee
US4820537A (en) * 1987-03-13 1989-04-11 General Foods Corporation Method for decaffeinating coffee with a supercritical fluid
DE3719991A1 (de) * 1987-06-15 1988-12-29 Barth Raiser Hopfenextraktion Verfahren zur wiedergewinnung von als loesungsmittel fuer coffein verwendetem kohlendioxid
US5497792A (en) * 1987-11-19 1996-03-12 Philip Morris Incorporated Process and apparatus for the semicontinuous extraction of nicotine from tobacco
US5266342A (en) * 1988-08-05 1993-11-30 Kraft General Foods, Inc. Method for decaffeinating coffee materials including a reverse osmosis permeate recycle
US4911941A (en) * 1988-08-05 1990-03-27 General Foods Corporation Method for decaffeinating coffee with a supercritical fluid
DE4400096C2 (de) * 1994-01-04 1997-06-12 Barth Raiser Hopfenextraktion Verfahren zur Entcoffeinierung von schwarzem Tee
IT1275905B1 (it) * 1995-03-14 1997-10-24 Indena Spa Frazioni polifenoliche di te', loro uso e formulazioni che le contengono
DE19524481C2 (de) * 1995-07-05 2000-03-02 Hopfenextraktion Hvg Barth, Raiser & Co Verfahren zur Entcoffeinierung von schwarzem Tee
EA012049B1 (ru) * 2003-11-19 2009-08-28 Скф Технолоджис А/С Способ и процесс контроля профилей температуры, давления и плотности в процессах с плотными текучими средами
EP2253223A1 (en) * 2003-12-02 2010-11-24 Kao Corporation Package drink
WO2006005537A1 (de) 2004-07-09 2006-01-19 Nateco2 Gmbh + Co. Kg Verfahren zur entcoffeinierung von tee
BR112013009056A2 (pt) 2010-10-13 2019-09-24 Kraft Foods Global Brands Llc extratos de café como ingredientes de alimentos, fármacos, cosméticos, suplementos dietéticos e produtos biológicos
EP2876203A1 (en) 2013-11-25 2015-05-27 CEPI aisbl Supercritical CO2
BR112017011758B1 (pt) * 2014-12-02 2022-07-05 Kao Corporation Método de produzir grãos de café torrados, grãos de café torrados e bebida de café
WO2017019556A1 (en) * 2015-07-24 2017-02-02 Solix Algredients, Inc. Methods and systems for extracting products from biological materials using supercritical fluid extraction
WO2021224093A1 (en) * 2020-05-07 2021-11-11 Amorim Cork, S.A. Process and system for decontaminating cork material
EP3906981A1 (en) * 2020-05-07 2021-11-10 Feyecon Development & Implementation B.V. Method for extraction using carbon dioxide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108876A (en) * 1961-05-09 1963-10-29 Duncan Coffee Company Manufacture of decaffeinated instant coffee
CH535543A (de) * 1970-02-05 1973-04-15 Studiengesellschaft Kohle Mbh Verfahren zur Entcoffeinierung von Rohkaffee
DE2005293C3 (de) * 1970-02-05 1974-01-10 Studiengesellschaft Kohle Mbh, 4330 Muelheim Verfahren zur Entcoffeinierung von Rohkaffee
DE2119678C3 (de) * 1971-04-22 1975-10-30 Studiengesellschaft Kohle Mbh, 4330 Muelheim Verfahren zur Herstellung von coffeinfreiem Kaffee-Extrakt
AT313039B (de) * 1971-05-07 1974-01-25 Studiengesellschaft Kohle Mbh Verfahren zur Gewinnung von Coffein aus Rohkaffee
DE2357590C3 (de) * 1973-11-19 1983-02-03 Hag Ag, 2800 Bremen Verfahren zur Entcoffeinierung von Rohkaffee
US4031251A (en) * 1975-01-08 1977-06-21 Societe D'assistance Technique Pour Produits Nestle S.A. Decaffeination of vegetable material
DE2634535C3 (de) 1976-07-31 1982-04-22 Kaffee-Veredelungs-Werk Koffeinfrei Kaffee Gmbh & Co, 2000 Hamburg Verfahren zur Entcoffeinierung von Rohkaffee

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050482A1 (en) * 1980-10-16 1982-04-28 A.G. (Patents) Limited A method for the production of decaffeinated tea

Also Published As

Publication number Publication date
FR2361824B1 (https=) 1982-09-17
DE2637197A1 (de) 1978-02-23
BE857905A (fr) 1978-02-20
FR2361824A1 (fr) 1978-03-17
IT1080797B (it) 1985-05-16
NL7708986A (nl) 1978-02-21
CH629653A5 (de) 1982-05-14
DE2637197C2 (de) 1983-01-27
US4411923A (en) 1983-10-25
NL178649C (nl) 1986-05-01

Similar Documents

Publication Publication Date Title
US4411923A (en) Process for the extraction of caffeine from super-critical solutions
SU615839A3 (ru) Способ получени декофеинизированных кофейных и чайных экстрактов
US3879569A (en) Process for the decaffeination of raw coffee
EP0424579B1 (en) Decaffeination of coffee
US4976979A (en) Process for the decaffeination of tea
GB1603683A (en) Process for treating an aqueous extract of a vegetable material and the products obtained by this process
GB1596364A (en) Process for the selective exraction of caffeine from plant materials
EP0040712B1 (en) Process for the removal of caffeine from green coffee and process for the recovery of caffeine
EP0042295B2 (en) Carbon-caffeine separation
US4364964A (en) Process of the decaffeination of green coffee beans
CA2032025A1 (en) Decaffeination of liquid medium
US4390698A (en) Detheobromination of cocoa
US4322445A (en) Process for decaffeinating coffee
JPS5927352B2 (ja) カフエインの抽出法
US4407834A (en) Recovery of xanthine stimulants from aqueous media
US4938977A (en) Process for the production of decaffeinated tea
EP0072895A2 (en) Coffee extraction process
CA2033760C (en) Process for the quasi-continuous decaffeination of raw coffee
US4364965A (en) Process for extracting caffeine from solutions thereof in carbon dioxide under high pressure
EP0076620B2 (en) Process for recovering caffeine from activated carbon
DE3413869A1 (de) Verfahren zur entcoffeinierung von schwarzem tee
AU592466B2 (en) A process for recovering caffeine adsorbed to activated carbon
EP0612744B1 (en) Regeneration of caffeine laden active carbon, using organic solvents
EP0079242A2 (en) Process for obtaining coffee grinder gas-like aroma frost
US5266342A (en) Method for decaffeinating coffee materials including a reverse osmosis permeate recycle

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee