FR2408607A1 - Procede d'extraction de cafeine de ses solutions dans du dioxyde de carbone sous pression - Google Patents

Procede d'extraction de cafeine de ses solutions dans du dioxyde de carbone sous pression

Info

Publication number
FR2408607A1
FR2408607A1 FR7831962A FR7831962A FR2408607A1 FR 2408607 A1 FR2408607 A1 FR 2408607A1 FR 7831962 A FR7831962 A FR 7831962A FR 7831962 A FR7831962 A FR 7831962A FR 2408607 A1 FR2408607 A1 FR 2408607A1
Authority
FR
France
Prior art keywords
cafeine
carbon dioxide
extracting
solutions
pressurized carbon
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.)
Granted
Application number
FR7831962A
Other languages
English (en)
Other versions
FR2408607B1 (fr
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.)
DEJ INT RESEARCH CO BV
Original Assignee
DEJ INT RESEARCH CO BV
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 DEJ INT RESEARCH CO BV filed Critical DEJ INT RESEARCH CO BV
Publication of FR2408607A1 publication Critical patent/FR2408607A1/fr
Application granted granted Critical
Publication of FR2408607B1 publication Critical patent/FR2408607B1/fr
Granted 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
    • 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
    • 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
    • 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
    • A23F5/226—Reducing or removing alkaloid content from coffee extract by extraction with selective solvents
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Tea And Coffee (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDE D'EXTRACTION DE LA CAFEINE DE SES SOLUTIONS DANS DU DIOXYDE DE CARBONE SOUS HAUTE PRESSION. DANS CE PROCEDE, LA CAFEINE EST EXTRAITE DE LA SOLUTION AU MOYEN DE CORPS ADSORBANTS SYNTHETIQUES QUI ASSOCIENT UN HAUT POUVOIR ADSORBANT POUR LA CAFEINE A DES CARACTERISTIQUES HYDROPHILES TELLES QUE L'ADSORBANT CHARGE DE CAFEINE PUISSE ETRE REGENERE UNIQUEMENT AVEC DE L'EAU. APPLICATION A L'ELIMINATION DE LA CAFEINE DU CAFE VERT APRES QUE LA CAFEINE A ETE ABSORBEE DANS DU DIOXYDE DE CARBONE SOUS HAUTE PRESSION.
FR7831962A 1977-11-14 1978-11-13 Procede d'extraction de cafeine de ses solutions dans du dioxyde de carbone sous pression Granted FR2408607A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7712503A NL7712503A (nl) 1977-11-14 1977-11-14 Werkwijze voor het decaffeineren van groene koffiebonen.

Publications (2)

Publication Number Publication Date
FR2408607A1 true FR2408607A1 (fr) 1979-06-08
FR2408607B1 FR2408607B1 (fr) 1983-04-29

Family

ID=19829529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7831962A Granted FR2408607A1 (fr) 1977-11-14 1978-11-13 Procede d'extraction de cafeine de ses solutions dans du dioxyde de carbone sous pression

Country Status (10)

Country Link
US (1) US4364965A (fr)
AT (1) AT362655B (fr)
BE (1) BE871939A (fr)
CA (1) CA1115594A (fr)
CH (1) CH638380A5 (fr)
DE (1) DE2848582A1 (fr)
FR (1) FR2408607A1 (fr)
GB (1) GB2008921B (fr)
IT (1) IT1101416B (fr)
NL (2) NL7712503A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2456483A1 (fr) * 1979-05-17 1980-12-12 Nestle Sa Procede pour enlever la cafeine d'une solution de cette substance dans un milieu gras
EP0029684A1 (fr) * 1979-11-13 1981-06-03 General Foods Corporation Procédé pour la préparation d'un produit de café décaféiné
EP0118019A1 (fr) * 1983-02-03 1984-09-12 Hag Gf Aktiengesellschaft Procédé pour décaféiner le café torréfié
EP0129610A1 (fr) * 1983-06-22 1985-01-02 Hag Gf Aktiengesellschaft Régénération simultanée de la caféine et charbon actif auquel elle était adsorbée au moyen d'eau chaude
EP0200150A2 (fr) * 1985-05-02 1986-11-05 SKW Trostberg Aktiengesellschaft Procédé pour décaféiner du thé

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4820537A (en) * 1987-03-13 1989-04-11 General Foods Corporation Method for decaffeinating coffee with a supercritical fluid
US4911941A (en) * 1988-08-05 1990-03-27 General Foods Corporation Method for decaffeinating coffee with a supercritical fluid

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2357590A1 (de) * 1973-11-19 1975-05-28 Hag Ag Verfahren zur entcoffeinierung von rohkaffee
FR2297004A1 (fr) * 1975-01-08 1976-08-06 Nestle Sa Procede de decafeination d'un extrait aqueux d'une matiere vegetale et produit obtenu
GB1488340A (en) * 1975-06-24 1977-10-12 Gen Foods Corp Decaffeination of green coffee
DE2637197A1 (de) * 1976-08-18 1978-02-23 Hag Ag Verfahren zur abtrennung von coffein aus ueberkritischen loesungen
FR2360261A1 (fr) * 1976-07-31 1978-03-03 Koffeinfrei Kaffee Gmbh Procede perfectionne pour decafeiner le cafe brut

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2212281C3 (de) * 1972-03-14 1978-11-18 Hag Ag Verfahren zur entcoffeinierung von rohkaffee

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2357590A1 (de) * 1973-11-19 1975-05-28 Hag Ag Verfahren zur entcoffeinierung von rohkaffee
FR2297004A1 (fr) * 1975-01-08 1976-08-06 Nestle Sa Procede de decafeination d'un extrait aqueux d'une matiere vegetale et produit obtenu
GB1488340A (en) * 1975-06-24 1977-10-12 Gen Foods Corp Decaffeination of green coffee
FR2360261A1 (fr) * 1976-07-31 1978-03-03 Koffeinfrei Kaffee Gmbh Procede perfectionne pour decafeiner le cafe brut
DE2637197A1 (de) * 1976-08-18 1978-02-23 Hag Ag Verfahren zur abtrennung von coffein aus ueberkritischen loesungen
FR2361824A1 (fr) * 1976-08-18 1978-03-17 Hag Ag Procede de separation de la cafeine a partir des solutions se trouvant dans un etat supercritique

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2456483A1 (fr) * 1979-05-17 1980-12-12 Nestle Sa Procede pour enlever la cafeine d'une solution de cette substance dans un milieu gras
EP0029684A1 (fr) * 1979-11-13 1981-06-03 General Foods Corporation Procédé pour la préparation d'un produit de café décaféiné
EP0118019A1 (fr) * 1983-02-03 1984-09-12 Hag Gf Aktiengesellschaft Procédé pour décaféiner le café torréfié
EP0129610A1 (fr) * 1983-06-22 1985-01-02 Hag Gf Aktiengesellschaft Régénération simultanée de la caféine et charbon actif auquel elle était adsorbée au moyen d'eau chaude
EP0200150A2 (fr) * 1985-05-02 1986-11-05 SKW Trostberg Aktiengesellschaft Procédé pour décaféiner du thé
EP0200150A3 (en) * 1985-05-02 1988-01-20 Skw Trostberg Aktiengesellschaft Tea decaffeination process
US4976979A (en) * 1985-05-02 1990-12-11 Skw Trostberg Aktiengesellschaft Process for the decaffeination of tea

Also Published As

Publication number Publication date
CA1115594A (fr) 1982-01-05
CH638380A5 (de) 1983-09-30
AT362655B (de) 1981-06-10
ATA791578A (de) 1980-10-15
US4364965A (en) 1982-12-21
NL7712503A (nl) 1979-05-16
FR2408607B1 (fr) 1983-04-29
DE2848582A1 (de) 1979-05-17
BE871939A (nl) 1979-05-14
NL7811102A (nl) 1979-05-16
IT1101416B (it) 1985-09-28
GB2008921B (en) 1982-04-07
IT7829756A0 (it) 1978-11-14
GB2008921A (en) 1979-06-13

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse