CA1333671C - Process suitable for the decaffeination of raw coffee - Google Patents
Process suitable for the decaffeination of raw coffeeInfo
- Publication number
- CA1333671C CA1333671C CA000583041A CA583041A CA1333671C CA 1333671 C CA1333671 C CA 1333671C CA 000583041 A CA000583041 A CA 000583041A CA 583041 A CA583041 A CA 583041A CA 1333671 C CA1333671 C CA 1333671C
- Authority
- CA
- Canada
- Prior art keywords
- carbon dioxide
- process according
- extraction
- caffeine
- raw coffee
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 64
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 50
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229960001948 caffeine Drugs 0.000 claims abstract description 30
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 30
- 238000000605 extraction Methods 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 11
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 238000000658 coextraction Methods 0.000 abstract description 2
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000000622 liquid--liquid extraction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000194 supercritical-fluid extraction Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
- General Preparation And Processing Of Foods (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fats And Perfumes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873738783 DE3738783A1 (de) | 1987-11-14 | 1987-11-14 | Verfahren zur rohkaffee-entcoffeinierung |
| DEP3738783.9-41 | 1987-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1333671C true CA1333671C (en) | 1994-12-27 |
Family
ID=6340543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000583041A Expired - Lifetime CA1333671C (en) | 1987-11-14 | 1988-11-14 | Process suitable for the decaffeination of raw coffee |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0316694B1 (enrdf_load_stackoverflow) |
| JP (1) | JP2728132B2 (enrdf_load_stackoverflow) |
| AT (1) | ATE72620T1 (enrdf_load_stackoverflow) |
| BR (1) | BR8805920A (enrdf_load_stackoverflow) |
| CA (1) | CA1333671C (enrdf_load_stackoverflow) |
| DE (2) | DE3738783A1 (enrdf_load_stackoverflow) |
| ES (1) | ES2032518T3 (enrdf_load_stackoverflow) |
| MX (1) | MX171464B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4003483A1 (de) * | 1989-02-09 | 1990-08-16 | Schoeller Bleckmann Stahlwerke | Verfahren zum entkoffeinieren von rohkaffee |
| DE4335321C2 (de) * | 1993-10-15 | 1996-08-01 | Joachim Brimmer Ingenieurbuero | Verfahren zum Extrahieren von Aromabestandteile enthaltendem Kaffeeöl |
| JP5106843B2 (ja) * | 2005-12-28 | 2012-12-26 | 豊和株式会社 | 紫根エキスの抽出方法及び皮膚外用剤の製造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1692284A1 (de) * | 1966-07-25 | 1971-11-11 | Weiss Geb Schotte Irmgard | Verfahren zur Veredlung von rohen Kaffeebohnen,ohne Chemikalienzusatz mittels CO2 mit oder ohne H2O |
| CH535543A (de) * | 1970-02-05 | 1973-04-15 | Studiengesellschaft Kohle Mbh | Verfahren zur Entcoffeinierung von Rohkaffee |
| DE2212281C3 (de) * | 1972-03-14 | 1978-11-18 | Hag Ag | Verfahren zur entcoffeinierung von rohkaffee |
| DE2357590C3 (de) * | 1973-11-19 | 1983-02-03 | Hag Ag, 2800 Bremen | Verfahren zur Entcoffeinierung von Rohkaffee |
| DE2638383A1 (de) * | 1975-08-27 | 1977-03-03 | D E J Int Research | Verfahren zum entfernen des coffeins aus kaffee |
| DE2737793A1 (de) * | 1977-08-22 | 1979-03-08 | Peter Siegfried | Verfahren zur entcoffeinierung von rohkaffee |
| US4472442A (en) * | 1980-09-26 | 1984-09-18 | General Foods Corporation | Decaffeination process |
-
1987
- 1987-11-14 DE DE19873738783 patent/DE3738783A1/de active Granted
-
1988
- 1988-11-05 EP EP88118484A patent/EP0316694B1/de not_active Expired - Lifetime
- 1988-11-05 ES ES198888118484T patent/ES2032518T3/es not_active Expired - Lifetime
- 1988-11-05 DE DE8888118484T patent/DE3868486D1/de not_active Expired - Lifetime
- 1988-11-05 AT AT88118484T patent/ATE72620T1/de not_active IP Right Cessation
- 1988-11-11 MX MX013767A patent/MX171464B/es unknown
- 1988-11-11 BR BR888805920A patent/BR8805920A/pt unknown
- 1988-11-14 JP JP63288688A patent/JP2728132B2/ja not_active Expired - Lifetime
- 1988-11-14 CA CA000583041A patent/CA1333671C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| MX171464B (es) | 1993-10-28 |
| DE3868486D1 (de) | 1992-03-26 |
| DE3738783A1 (de) | 1989-05-24 |
| DE3738783C2 (enrdf_load_stackoverflow) | 1990-02-08 |
| ES2032518T3 (es) | 1993-02-16 |
| JP2728132B2 (ja) | 1998-03-18 |
| EP0316694B1 (de) | 1992-02-19 |
| EP0316694A3 (en) | 1989-08-30 |
| JPH01240146A (ja) | 1989-09-25 |
| ATE72620T1 (de) | 1992-03-15 |
| EP0316694A2 (de) | 1989-05-24 |
| BR8805920A (pt) | 1989-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |