DE237810C - - Google Patents
Info
- Publication number
- DE237810C DE237810C DE1906237810D DE237810DA DE237810C DE 237810 C DE237810 C DE 237810C DE 1906237810 D DE1906237810 D DE 1906237810D DE 237810D A DE237810D A DE 237810DA DE 237810 C DE237810 C DE 237810C
- Authority
- DE
- Germany
- Prior art keywords
- alkaloid
- coffee
- liquid
- ammonia
- 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims description 19
- 229930013930 alkaloid Natural products 0.000 claims description 15
- 150000003797 alkaloid derivatives Chemical class 0.000 claims description 14
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims description 7
- 229960001948 caffeine Drugs 0.000 claims description 7
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims description 7
- 241000533293 Sesbania emerus Species 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 235000013305 food Nutrition 0.000 claims description 4
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims 1
- 244000046052 Phaseolus vulgaris Species 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000189705 Dunedin group Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000006286 aqueous extract Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 239000000052 vinegar Substances 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)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT55849D AT55849B (de) | 1906-10-18 | 1909-03-29 | Verfahren zum Ausziehan von Kaffein aus ganzen Kaffeebohnen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE237810C true DE237810C (enrdf_load_stackoverflow) |
Family
ID=497383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1906237810D Expired - Lifetime DE237810C (enrdf_load_stackoverflow) | 1906-10-18 | 1906-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE237810C (enrdf_load_stackoverflow) |
-
1906
- 1906-10-18 DE DE1906237810D patent/DE237810C/de not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2212281C3 (de) | Verfahren zur entcoffeinierung von rohkaffee | |
| DE2826466C2 (de) | Verfahren zur Behandlung eines wäßrigen Extrakts eines pflanzlichen Stoffs zwecks Verringerung des Gehalts an Kaffein und/oder Chlorogensäure | |
| DE2200926C3 (de) | Verfahren zur Gewinnung von Athylenoxid aus einem Reaktionsgemisch, das durch Umsetzung von Äthylen mit molekularem Sauerstoff hergestellt worden ist | |
| CH622682A5 (enrdf_load_stackoverflow) | ||
| DE2905078A1 (de) | Verfahren zur entcoffeinierung von kaffee | |
| DE237810C (enrdf_load_stackoverflow) | ||
| DE2254635C2 (de) | Verfahren zur Herstellung eines Aromaprodukts aus Teeblättern | |
| DE2357590B2 (de) | Verfahren z<ir Entcoffeinierung von Rohkaffee | |
| DE635624C (de) | Verfahren zur Herstellung von Hopfenextrakten | |
| DE567098C (de) | Verfahren zur Verbesserung der Glimmfaehigkeit von Tabak | |
| DE719704C (de) | Verfahren zur Herstellung von Furfuerol | |
| DE445567C (de) | Verfahren zur Gewinnung von Alkaloiden | |
| DE624047C (de) | Verfahren zur Wasserdampfdestillation fluechtiger Stoffe | |
| DE523938C (de) | Verfahren zum Reinigen und Entfaerben von Kolophonium | |
| AT130445B (de) | Verfahren zum Imprägnieren von nach bekannten Verfahren entcoffeinisierten Rohkaffeebohnen für die Herstellung coffeinfreien bzw. coffeinarmen Kaffees. | |
| DE598379C (de) | Verfahren zur Herstellung von coffeinfreiem Kaffee | |
| DE69322761T2 (de) | Wiedergewinnung von mit Kaffein beladener Aktivkohle unter Verwendung von organischen Solventen | |
| DE509869C (de) | Verfahren zum Entbittern von Lupinen | |
| DE254667C (enrdf_load_stackoverflow) | ||
| DE553255C (de) | Verfahren zur Herstellung von nikotinfreien Tabaken | |
| DE2641146A1 (de) | Verfahren zum entfernen von koffein aus kaffee | |
| AT106231B (de) | Verfahren zur Gewinnung von konzentrierter Essigsäure aus verdünnter Essigsäure. | |
| DE497630C (de) | Verfahren zur Gewinnung von mit Wasserdampf fluechtigen Alkaloiden, insbesondere Nicotin | |
| DE301439C (enrdf_load_stackoverflow) | ||
| DE136150C (enrdf_load_stackoverflow) |