DE2641146A1 - Verfahren zum entfernen von koffein aus kaffee - Google Patents
Verfahren zum entfernen von koffein aus kaffeeInfo
- Publication number
- DE2641146A1 DE2641146A1 DE19762641146 DE2641146A DE2641146A1 DE 2641146 A1 DE2641146 A1 DE 2641146A1 DE 19762641146 DE19762641146 DE 19762641146 DE 2641146 A DE2641146 A DE 2641146A DE 2641146 A1 DE2641146 A1 DE 2641146A1
- Authority
- DE
- Germany
- Prior art keywords
- caffeine
- coffee
- green
- extraction
- solvent
- 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.)
- Withdrawn
Links
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 title claims description 146
- 235000013353 coffee beverage Nutrition 0.000 title claims description 87
- 229960001948 caffeine Drugs 0.000 title claims description 75
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 title claims description 73
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 title claims description 73
- 238000000034 method Methods 0.000 title claims description 28
- 239000002904 solvent Substances 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 22
- 239000006286 aqueous extract Substances 0.000 claims description 8
- 235000005911 diet Nutrition 0.000 claims 5
- 230000000378 dietary effect Effects 0.000 claims 5
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims 5
- 238000000605 extraction Methods 0.000 description 51
- 239000000284 extract Substances 0.000 description 25
- DKMROQRQHGEIOW-UHFFFAOYSA-N Diethyl succinate Chemical compound CCOC(=O)CCC(=O)OCC DKMROQRQHGEIOW-UHFFFAOYSA-N 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 241000533293 Sesbania emerus Species 0.000 description 14
- 239000007787 solid Substances 0.000 description 9
- 235000021028 berry Nutrition 0.000 description 7
- 238000000638 solvent extraction Methods 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000003809 water extraction Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 3
- 244000046052 Phaseolus vulgaris Species 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 235000021539 instant coffee Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000622 liquid--liquid extraction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001256 steam distillation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 238000000108 ultra-filtration 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
-
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/614,398 US4087562A (en) | 1975-09-18 | 1975-09-18 | Decaffeination of green coffee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2641146A1 true DE2641146A1 (de) | 1977-03-31 |
Family
ID=24461082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762641146 Withdrawn DE2641146A1 (de) | 1975-09-18 | 1976-09-13 | Verfahren zum entfernen von koffein aus kaffee |
Country Status (7)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2720203C3 (de) * | 1977-05-05 | 1986-04-17 | decofa Kaffee-Bearbeitungs-GmbH, 2800 Bremen | Verfahren zum Entcoffeinieren von Rohkaffeebohnen |
| US4562083A (en) * | 1980-07-07 | 1985-12-31 | General Foods Corporation | Decaffeination of green coffee with n-butyl acetate |
| WO2012090326A1 (ja) * | 2010-12-28 | 2012-07-05 | 日本精線株式会社 | 触媒構造物及びそれを用いた水素反応用モジュール |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US953643A (en) * | 1909-11-01 | 1910-03-29 | Ludwig Seisser | Process of treating coffee. |
| US1629512A (en) * | 1924-05-06 | 1927-05-24 | Kundig Fritz | Process for the production of coffee free from caffeine |
| FR597392A (fr) * | 1924-05-06 | 1925-11-19 | Kundig Jun & Cie F | Procédé de préparation de café décaféiné |
| GB366305A (en) * | 1930-09-26 | 1932-02-04 | Theodor Grethe | Method of producing caffeine-free coffee and theine-free tea |
| US2016634A (en) * | 1933-11-13 | 1935-10-08 | Grethe Theodor | Method of producing coffee free from caffeine |
| US2309092A (en) * | 1941-05-09 | 1943-01-26 | Gen Foods Corp | Process of decaffeinating coffee |
| US2817588A (en) * | 1954-01-07 | 1957-12-24 | Standard Brands Inc | Decaffeination of coffee |
| US3682648A (en) * | 1970-05-27 | 1972-08-08 | Gen Foods Corp | Green coffee decaffeination using edible ester solutions |
| US3671263A (en) * | 1971-02-23 | 1972-06-20 | Procter & Gamble | Semi-continuous countercurrent decaffeination process |
-
1975
- 1975-09-18 US US05/614,398 patent/US4087562A/en not_active Expired - Lifetime
-
1976
- 1976-08-31 CA CA260,215A patent/CA1049318A/en not_active Expired
- 1976-09-01 SE SE7609672A patent/SE429919B/xx unknown
- 1976-09-07 GB GB37023/76A patent/GB1494989A/en not_active Expired
- 1976-09-13 DE DE19762641146 patent/DE2641146A1/de not_active Withdrawn
- 1976-09-17 ES ES451618A patent/ES451618A1/es not_active Expired
- 1976-09-17 FR FR7628052A patent/FR2324241A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1049318A (en) | 1979-02-27 |
| FR2324241B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-09-05 |
| SE429919B (sv) | 1983-10-10 |
| FR2324241A1 (fr) | 1977-04-15 |
| ES451618A1 (es) | 1977-08-01 |
| US4087562A (en) | 1978-05-02 |
| SE7609672L (sv) | 1977-03-19 |
| GB1494989A (en) | 1977-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |