FR2432881A1 - Preferential removal of caffeine from aq. coffee extracts - using resins in countercurrent systems - Google Patents

Preferential removal of caffeine from aq. coffee extracts - using resins in countercurrent systems

Info

Publication number
FR2432881A1
FR2432881A1 FR7823804A FR7823804A FR2432881A1 FR 2432881 A1 FR2432881 A1 FR 2432881A1 FR 7823804 A FR7823804 A FR 7823804A FR 7823804 A FR7823804 A FR 7823804A FR 2432881 A1 FR2432881 A1 FR 2432881A1
Authority
FR
France
Prior art keywords
soln
solids
adsorbent
passed
component
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
FR7823804A
Other languages
French (fr)
Other versions
FR2432881B1 (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.)
General Foods Corp
Original Assignee
General Foods Corp
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 General Foods Corp filed Critical General Foods Corp
Priority to FR7823804A priority Critical patent/FR2432881A1/en
Publication of FR2432881A1 publication Critical patent/FR2432881A1/en
Application granted granted Critical
Publication of FR2432881B1 publication Critical patent/FR2432881B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • 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)
  • Analytical Chemistry (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)

Abstract

Countercurrent adsorption process for separating a preferentially adsorbed component (I) from an aq. multicomponent soln. which contains other cpds. which are also adsorbed comprises (a) multi-component soln. is passed to the most spent section of a countercurrent multi-section adsorption system, and a soln. is withdrawn from the least spent section until the required amt. of (I) is adsorbed on the most loaded adsorbent; An aq. soln. of solids (higher concn. of (I) but lower total solids concn than in the multi-component soln. in step (a); solids desorbed during prior adsorbent regeneration steps) is (b) passed through the most loaded adsorbent to give an effluent. Fresh adsorbent is (c) added to the least spent section of the system; (d) effluent from (b) is passed to the most spent sections of the system together with a portion of the multi-component soln. (amt. of effluent sufficient to give reflux ratios for (I) of 0.01-5:1); (e) desorbent is passed through the step (b) adsorbent to remove adsorbed solids which contain a relatively high concn. of (I). Process is partic. suitable for decaffeinating aq. extracts of green or roasted coffee, while minimising the loss of non-caffeine solids.
FR7823804A 1978-08-11 1978-08-11 Preferential removal of caffeine from aq. coffee extracts - using resins in countercurrent systems Granted FR2432881A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7823804A FR2432881A1 (en) 1978-08-11 1978-08-11 Preferential removal of caffeine from aq. coffee extracts - using resins in countercurrent systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7823804A FR2432881A1 (en) 1978-08-11 1978-08-11 Preferential removal of caffeine from aq. coffee extracts - using resins in countercurrent systems

Publications (2)

Publication Number Publication Date
FR2432881A1 true FR2432881A1 (en) 1980-03-07
FR2432881B1 FR2432881B1 (en) 1981-01-02

Family

ID=9211807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7823804A Granted FR2432881A1 (en) 1978-08-11 1978-08-11 Preferential removal of caffeine from aq. coffee extracts - using resins in countercurrent systems

Country Status (1)

Country Link
FR (1) FR2432881A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078088A1 (en) * 1981-10-27 1983-05-04 Douwe Egberts Koninklijke Tabaksfabriek- Koffiebranderijen-Theehandel N.V. A process for the decaffeination of green coffee beans
FR2661802A1 (en) * 1990-04-04 1991-11-15 Jacobs Suchard Ag PROCESS AND APPARATUS FOR EXTRACTING COFFEE COFFEE, ESPECIALLY RAW COFFEE.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR978176A (en) * 1947-12-26 1951-04-10 California Research Corp Cyclic adsorption process
FR2277612A1 (en) * 1974-07-12 1976-02-06 Rohm & Haas IMPROVEMENTS IN ADSORPTION PROCESSES TO SEPARATE A DISSOLVED COMPONENT FROM A LIQUID CURRENT
FR2297004A1 (en) * 1975-01-08 1976-08-06 Nestle Sa PROCESS FOR DECAFEINATION OF AN AQUEOUS EXTRACT OF A PLANT MATERIAL AND PRODUCT OBTAINED

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR978176A (en) * 1947-12-26 1951-04-10 California Research Corp Cyclic adsorption process
FR2277612A1 (en) * 1974-07-12 1976-02-06 Rohm & Haas IMPROVEMENTS IN ADSORPTION PROCESSES TO SEPARATE A DISSOLVED COMPONENT FROM A LIQUID CURRENT
FR2297004A1 (en) * 1975-01-08 1976-08-06 Nestle Sa PROCESS FOR DECAFEINATION OF AN AQUEOUS EXTRACT OF A PLANT MATERIAL AND PRODUCT OBTAINED

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078088A1 (en) * 1981-10-27 1983-05-04 Douwe Egberts Koninklijke Tabaksfabriek- Koffiebranderijen-Theehandel N.V. A process for the decaffeination of green coffee beans
FR2661802A1 (en) * 1990-04-04 1991-11-15 Jacobs Suchard Ag PROCESS AND APPARATUS FOR EXTRACTING COFFEE COFFEE, ESPECIALLY RAW COFFEE.

Also Published As

Publication number Publication date
FR2432881B1 (en) 1981-01-02

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