NO131815B - - Google Patents
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- Publication number
- NO131815B NO131815B NO0399/71A NO39971A NO131815B NO 131815 B NO131815 B NO 131815B NO 0399/71 A NO0399/71 A NO 0399/71A NO 39971 A NO39971 A NO 39971A NO 131815 B NO131815 B NO 131815B
- Authority
- NO
- Norway
- Prior art keywords
- carbon dioxide
- caffeine
- water
- coffee
- pressure
- Prior art date
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 58
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims description 54
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 31
- 239000001569 carbon dioxide Substances 0.000 claims description 29
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims description 27
- 229960001948 caffeine Drugs 0.000 claims description 27
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- 239000007789 gas Substances 0.000 description 13
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 8
- 244000046052 Phaseolus vulgaris Species 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 241000533293 Sesbania emerus Species 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- -1 chloro- Chemical class 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002168 ethanoic acid esters Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702005293 DE2005293C3 (de) | 1970-02-05 | 1970-02-05 | Verfahren zur Entcoffeinierung von Rohkaffee |
| AT129870A AT290962B (de) | 1970-02-12 | 1970-02-12 | Verfahren zur Entcoffeinierung von Kaffee |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO131815B true NO131815B (da) | 1975-05-05 |
| NO131815C NO131815C (da) | 1975-08-13 |
Family
ID=25595461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO0399/71A NO131815C (da) | 1970-02-05 | 1971-02-03 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4260639A (da) |
| JP (1) | JPS5136344B1 (da) |
| BE (1) | BE762382A (da) |
| CA (1) | CA926693A (da) |
| CH (1) | CH535543A (da) |
| DK (1) | DK131081B (da) |
| FR (1) | FR2079261B1 (da) |
| GB (1) | GB1290117A (da) |
| IT (1) | IT1030521B (da) |
| NL (1) | NL159265B (da) |
| NO (1) | NO131815C (da) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH535543A (de) * | 1970-02-05 | 1973-04-15 | Studiengesellschaft Kohle Mbh | 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 |
| DE2127642C3 (de) * | 1971-06-03 | 1975-10-16 | Studiengesellschaft Kohle Mbh, 4330 Muelheim | Verfahren zur Herstellung von coffeinfreiem schwarzem Tee mit vollem Aromagehalt |
| US4247570A (en) * | 1976-08-04 | 1981-01-27 | Studiengesellschaft Kohle Mbh | Process for the decaffeination of coffee |
| DE2637197C2 (de) * | 1976-08-18 | 1983-01-27 | Hag Ag, 2800 Bremen | Verfahren zum Entzug von Coffein aus coffeinhaltigen Naturstoffen mit einem überkritischen Extraktionsmittel |
| DE2639066A1 (de) * | 1976-08-30 | 1978-03-02 | Hag Ag | Verfahren zur entfernung von reizstoffen aus kaffee |
| GB1557123A (en) * | 1977-04-29 | 1979-12-05 | Distillers Co Carbon Dioxide | Method and apparatus for reparing extracts of hops and other materials |
| DE2727191B2 (de) * | 1977-06-16 | 1980-07-03 | Hag Ag, 2800 Bremen | Verfahren zur selektiven Extraktion von Coffein aus pflanzlichen Materialien |
| US4348422A (en) * | 1978-02-13 | 1982-09-07 | Studiengesellschaft Kohle M.B.H. | Process for the direct decaffeination of aqueous coffee extract solutions |
| US4255461A (en) * | 1979-11-13 | 1981-03-10 | General Foods Corporation | Preparation of a decaffeinated roasted coffee blend |
| US4861607A (en) * | 1981-03-20 | 1989-08-29 | Nestec S. A. | Removal of xanthine stimulants from cocoa |
| GB2095091B (en) * | 1981-03-20 | 1984-08-22 | Nestle Sa | Removal of xanthine stimulants from cocoa |
| US4816275A (en) * | 1983-03-28 | 1989-03-28 | Chock Full O'nuts Corp. | Decaffeination of aqueous extracts |
| DE3424614A1 (de) * | 1983-07-05 | 1985-01-17 | Kuraray Co., Ltd., Kurashiki, Okayama | Verfahren zur herstellung eines extraktes |
| DE3415844C2 (de) * | 1984-04-27 | 1994-02-03 | Sueddeutsche Kalkstickstoff | Verfahren zur Herstellung von entkoffeiniertem Tee |
| DE3632401A1 (de) * | 1986-09-24 | 1988-04-07 | Barth Raiser Hopfenextraktion | Verfahren zur extraktion unpolarer inhaltsstoffe aus hopfen |
| US4820537A (en) * | 1987-03-13 | 1989-04-11 | General Foods Corporation | Method for decaffeinating coffee with a supercritical fluid |
| DE3738783A1 (de) * | 1987-11-14 | 1989-05-24 | Hermsen M Cr3 Kaffeeveredelung | Verfahren zur rohkaffee-entcoffeinierung |
| US4911941A (en) * | 1988-08-05 | 1990-03-27 | General Foods Corporation | Method for decaffeinating coffee with a supercritical fluid |
| US5266342A (en) * | 1988-08-05 | 1993-11-30 | Kraft General Foods, Inc. | Method for decaffeinating coffee materials including a reverse osmosis permeate recycle |
| JP2839276B2 (ja) * | 1989-01-23 | 1998-12-16 | 日本分光工業株式会社 | 超臨界流体抽出・分離方法及び装置 |
| DE4003483A1 (de) * | 1989-02-09 | 1990-08-16 | Schoeller Bleckmann Stahlwerke | Verfahren zum entkoffeinieren von rohkaffee |
| US4956176A (en) * | 1989-06-20 | 1990-09-11 | Kraft General Foods, Inc. | Solids-fluid contacting apparatus with screen at fluid outlet |
| DE4237115C2 (de) * | 1992-11-03 | 1999-03-18 | Hohenester Hermann | Verfahren und Vorrichtung zur Trennung von Lebensmittelgemengen |
| DE4316654A1 (de) * | 1993-05-12 | 1995-01-12 | Inst Technologie Und Umweltsch | Verfahren zur Abreicherung von Coffein und Chlorogensäuren aus Rohkaffee |
| EP0666033B1 (en) * | 1994-02-03 | 1997-10-22 | Kraft Foods, Inc. | Process for decaffeinating aqueous caffeine-containing green coffee extracts |
| US5759549A (en) * | 1994-11-25 | 1998-06-02 | Helsinki University Licensing, Ltd. | Processes for the separatin of lipids |
| WO2006005537A1 (de) * | 2004-07-09 | 2006-01-19 | Nateco2 Gmbh + Co. Kg | Verfahren zur entcoffeinierung von tee |
| EP3687300A1 (en) | 2017-09-29 | 2020-08-05 | Société des Produits Nestlé S.A. | Caffeine production method |
| CN110934216A (zh) * | 2018-09-21 | 2020-03-31 | 黄钰庭 | 咖啡生豆的处理方法 |
| EP3906981A1 (en) | 2020-05-07 | 2021-11-10 | Feyecon Development & Implementation B.V. | Method for extraction using carbon dioxide |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1640648A (en) * | 1925-11-02 | 1927-08-30 | Cross Roy | Method of treating coffee |
| DE553800C (de) * | 1928-02-10 | 1932-06-29 | Willy Stelkens | Verfahren zur Herstellung koffein- bzw. teinarmer, von geschmackswidrigen Anteilen freier Kaffee- bzw. Teeaufguesse |
| FR37854E (fr) * | 1929-12-23 | 1931-02-04 | Procédé et appareil pour préparer des infusions de café libres de caféine et desubstances toxiques produites par torréfaction | |
| FR779451A (fr) * | 1933-09-08 | 1935-04-05 | Coffex A G Soc | Procédé et appareil pour la décaféinisation et l'amélioration du café vert |
| DE1493190C3 (de) * | 1963-04-16 | 1980-10-16 | Studiengesellschaft Kohle Mbh, 4330 Muelheim | Verfahren zur Trennung von Stoffgemischen |
| US3418134A (en) * | 1964-12-17 | 1968-12-24 | William A. Rooker | Aromatizing food concentrates |
| CH535543A (de) * | 1970-02-05 | 1973-04-15 | Studiengesellschaft Kohle Mbh | 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 |
-
1971
- 1971-01-13 CH CH47171A patent/CH535543A/de not_active IP Right Cessation
- 1971-01-15 GB GB1290117D patent/GB1290117A/en not_active Expired
- 1971-01-25 CA CA103563A patent/CA926693A/en not_active Expired
- 1971-02-01 BE BE762382A patent/BE762382A/xx not_active IP Right Cessation
- 1971-02-03 NL NL7101421.A patent/NL159265B/xx not_active IP Right Cessation
- 1971-02-03 NO NO0399/71A patent/NO131815C/no unknown
- 1971-02-04 DK DK49271AA patent/DK131081B/da unknown
- 1971-02-04 FR FR7103774A patent/FR2079261B1/fr not_active Expired
- 1971-02-05 JP JP46004623A patent/JPS5136344B1/ja active Pending
- 1971-02-05 IT IT20195/71A patent/IT1030521B/it active
-
1973
- 1973-05-25 US US05/364,190 patent/US4260639A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DK131081B (da) | 1975-05-26 |
| GB1290117A (da) | 1972-09-20 |
| NL159265B (nl) | 1979-02-15 |
| CA926693A (en) | 1973-05-22 |
| NL7101421A (da) | 1971-08-09 |
| DK131081C (da) | 1975-10-27 |
| FR2079261B1 (da) | 1974-09-06 |
| IT1030521B (it) | 1979-04-10 |
| BE762382A (fr) | 1971-08-02 |
| NO131815C (da) | 1975-08-13 |
| CH535543A (de) | 1973-04-15 |
| FR2079261A1 (da) | 1971-11-12 |
| US4260639A (en) | 1981-04-07 |
| JPS5136344B1 (da) | 1976-10-07 |
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