DE1807308A1 - Verfahren zur Entfernung von Koffein - Google Patents
Verfahren zur Entfernung von KoffeinInfo
- Publication number
- DE1807308A1 DE1807308A1 DE19681807308 DE1807308A DE1807308A1 DE 1807308 A1 DE1807308 A1 DE 1807308A1 DE 19681807308 DE19681807308 DE 19681807308 DE 1807308 A DE1807308 A DE 1807308A DE 1807308 A1 DE1807308 A1 DE 1807308A1
- Authority
- DE
- Germany
- Prior art keywords
- solvent
- extract
- caffeine
- decaffeinated
- aqueous
- 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.)
- Pending
Links
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 title claims description 122
- 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 61
- 229960001948 caffeine Drugs 0.000 title claims description 61
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 title claims description 61
- 238000000034 method Methods 0.000 title claims description 32
- 239000002904 solvent Substances 0.000 claims description 80
- 239000000284 extract Substances 0.000 claims description 57
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 35
- 239000007787 solid Substances 0.000 claims description 28
- 235000013353 coffee beverage Nutrition 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 241001122767 Theaceae Species 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 15
- 239000000796 flavoring agent Substances 0.000 claims description 14
- 235000019634 flavors Nutrition 0.000 claims description 14
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 10
- 235000021539 instant coffee Nutrition 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 239000006286 aqueous extract Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims 1
- 239000005418 vegetable material Substances 0.000 claims 1
- 239000012071 phase Substances 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 238000001694 spray drying Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 241000533293 Sesbania emerus Species 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 2
- 239000002024 ethyl acetate extract Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 1
- 235000019568 aromas Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000002036 drum drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000021251 pulses Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 235000012773 waffles Nutrition 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
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/36—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
- A23F3/38—Reducing or removing alkaloid content from tea extract
-
- 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)
- Extraction Or Liquid Replacement (AREA)
- Seasonings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68264367A | 1967-11-13 | 1967-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1807308A1 true DE1807308A1 (de) | 1969-07-24 |
Family
ID=24740554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681807308 Pending DE1807308A1 (de) | 1967-11-13 | 1968-11-06 | Verfahren zur Entfernung von Koffein |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH480807A (enrdf_load_stackoverflow) |
| DE (1) | DE1807308A1 (enrdf_load_stackoverflow) |
| ES (1) | ES360149A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1591756A (enrdf_load_stackoverflow) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1261126B (de) * | 1963-02-22 | 1968-02-15 | Basf Ag | Thermisch gesteuerter Kondensatableiter |
| DE1297428B (de) * | 1966-11-11 | 1969-06-12 | Sauter Ag Fabrik Elektr App | Sequenzventil fuer Vierleiter-Systeme |
| DE2651758A1 (de) * | 1975-11-12 | 1977-05-18 | Rockwell International Corp | Druckausgeglichenes ventil |
| DE2721705A1 (de) * | 1976-05-13 | 1977-11-24 | Rockwell International Corp | Druckausgeglichenes ventil mit druckfuehleinrichtung |
| DE2853169A1 (de) * | 1978-12-08 | 1980-06-26 | Hag Ag | Verfahren zum entcoffeinieren von rohkaffee |
| US4659577A (en) * | 1984-09-27 | 1987-04-21 | General Foods Corporation | Method for the decaffeination of roasted coffee extracts |
| DE19505165A1 (de) * | 1995-02-16 | 1996-08-29 | Mertik Maxitrol Gmbh & Co Kg | Regelventil |
| US6564827B1 (en) * | 1998-11-20 | 2003-05-20 | Messer Griesheim Gmbh | Shut-off device for the filling device of a pressure tank |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315036A (en) * | 1978-01-12 | 1982-02-09 | Societe D'assistance Technique Pour Produits Nestle S.A. | Process for decaffeinating tea |
| US4505940A (en) * | 1984-03-29 | 1985-03-19 | General Foods Corporation | Non-caffeine solids recovery process |
-
1968
- 1968-10-31 CH CH1626368A patent/CH480807A/de not_active IP Right Cessation
- 1968-11-06 DE DE19681807308 patent/DE1807308A1/de active Pending
- 1968-11-12 ES ES360149A patent/ES360149A1/es not_active Expired
- 1968-11-13 FR FR1591756D patent/FR1591756A/fr not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1261126B (de) * | 1963-02-22 | 1968-02-15 | Basf Ag | Thermisch gesteuerter Kondensatableiter |
| DE1297428B (de) * | 1966-11-11 | 1969-06-12 | Sauter Ag Fabrik Elektr App | Sequenzventil fuer Vierleiter-Systeme |
| DE2651758A1 (de) * | 1975-11-12 | 1977-05-18 | Rockwell International Corp | Druckausgeglichenes ventil |
| DE2721705A1 (de) * | 1976-05-13 | 1977-11-24 | Rockwell International Corp | Druckausgeglichenes ventil mit druckfuehleinrichtung |
| DE2853169A1 (de) * | 1978-12-08 | 1980-06-26 | Hag Ag | Verfahren zum entcoffeinieren von rohkaffee |
| US4659577A (en) * | 1984-09-27 | 1987-04-21 | General Foods Corporation | Method for the decaffeination of roasted coffee extracts |
| DE19505165A1 (de) * | 1995-02-16 | 1996-08-29 | Mertik Maxitrol Gmbh & Co Kg | Regelventil |
| DE19505165C2 (de) * | 1995-02-16 | 1998-07-02 | Mertik Maxitrol Gmbh & Co Kg | Regelventil |
| US6564827B1 (en) * | 1998-11-20 | 2003-05-20 | Messer Griesheim Gmbh | Shut-off device for the filling device of a pressure tank |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1591756A (enrdf_load_stackoverflow) | 1970-05-04 |
| ES360149A1 (es) | 1970-07-01 |
| CH480807A (de) | 1969-11-15 |
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