NL7907861A - Werkwijze voor het coffeinevrijmaken van ruwe koffie. - Google Patents

Werkwijze voor het coffeinevrijmaken van ruwe koffie. Download PDF

Info

Publication number
NL7907861A
NL7907861A NL7907861A NL7907861A NL7907861A NL 7907861 A NL7907861 A NL 7907861A NL 7907861 A NL7907861 A NL 7907861A NL 7907861 A NL7907861 A NL 7907861A NL 7907861 A NL7907861 A NL 7907861A
Authority
NL
Netherlands
Prior art keywords
raw coffee
caffeine
propane
extraction
temperature
Prior art date
Application number
NL7907861A
Other languages
English (en)
Dutch (nl)
Original Assignee
Krupp Gmbh
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 Krupp Gmbh filed Critical Krupp Gmbh
Publication of NL7907861A publication Critical patent/NL7907861A/nl

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Tea And Coffee (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL7907861A 1978-10-28 1979-10-25 Werkwijze voor het coffeinevrijmaken van ruwe koffie. NL7907861A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2846976 1978-10-28
DE2846976A DE2846976C3 (de) 1978-10-28 1978-10-28 Verfahren zur Entcoffeinierung von Rohkaffee

Publications (1)

Publication Number Publication Date
NL7907861A true NL7907861A (nl) 1980-05-01

Family

ID=6053359

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7907861A NL7907861A (nl) 1978-10-28 1979-10-25 Werkwijze voor het coffeinevrijmaken van ruwe koffie.

Country Status (7)

Country Link
AT (1) AT364231B (de)
BE (1) BE879512A (de)
CH (1) CH641934A5 (de)
DE (1) DE2846976C3 (de)
FR (1) FR2439553A1 (de)
IT (1) IT1125509B (de)
NL (1) NL7907861A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255461A (en) * 1979-11-13 1981-03-10 General Foods Corporation Preparation of a decaffeinated roasted coffee blend
DE3744988C2 (en) * 1986-06-20 1993-06-03 Kohlensaeure-Werke Rud. Buse Gmbh & Co, 5462 Bad Hoenningen, De Decaffeination of raw coffee beans
DE3713953A1 (de) * 1986-06-20 1987-12-23 Krupp Gmbh Verfahren zur entcoffeinierung von rohkaffee
DE4003483A1 (de) * 1989-02-09 1990-08-16 Schoeller Bleckmann Stahlwerke Verfahren zum entkoffeinieren von rohkaffee
DE4000474A1 (de) * 1990-01-10 1990-11-15 Ben Nasr Hedi Dr Verfahren zur quasikontinuierlichen entcoffeinierung von rohkaffee

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1493190C3 (de) * 1963-04-16 1980-10-16 Studiengesellschaft Kohle Mbh, 4330 Muelheim Verfahren zur Trennung von Stoffgemischen
DE2005293C3 (de) * 1970-02-05 1974-01-10 Studiengesellschaft Kohle Mbh, 4330 Muelheim Verfahren zur Entcoffeinierung von Rohkaffee
AT313039B (de) * 1971-05-07 1974-01-25 Studiengesellschaft Kohle Mbh Verfahren zur Gewinnung von Coffein aus Rohkaffee
DE2127642C3 (de) * 1971-06-03 1975-10-16 Studiengesellschaft Kohle Mbh, 4330 Muelheim Verfahren zur Herstellung von coffeinfreiem schwarzem Tee mit vollem Aromagehalt
DE2634535C3 (de) * 1976-07-31 1982-04-22 Kaffee-Veredelungs-Werk Koffeinfrei Kaffee Gmbh & Co, 2000 Hamburg Verfahren zur Entcoffeinierung von Rohkaffee
DE2639066A1 (de) * 1976-08-30 1978-03-02 Hag Ag Verfahren zur entfernung von reizstoffen aus kaffee
DE2727191B2 (de) * 1977-06-16 1980-07-03 Hag Ag, 2800 Bremen Verfahren zur selektiven Extraktion von Coffein aus pflanzlichen Materialien

Also Published As

Publication number Publication date
FR2439553B1 (de) 1984-09-14
AT364231B (de) 1981-10-12
BE879512A (fr) 1980-02-15
ATA677179A (de) 1981-02-15
CH641934A5 (en) 1984-03-30
DE2846976B2 (de) 1981-08-06
DE2846976C3 (de) 1982-05-06
FR2439553A1 (fr) 1980-05-23
IT7926635A0 (it) 1979-10-19
DE2846976A1 (de) 1980-04-30
IT1125509B (it) 1986-05-14

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed