DE3640333C2 - - Google Patents
Info
- Publication number
- DE3640333C2 DE3640333C2 DE3640333A DE3640333A DE3640333C2 DE 3640333 C2 DE3640333 C2 DE 3640333C2 DE 3640333 A DE3640333 A DE 3640333A DE 3640333 A DE3640333 A DE 3640333A DE 3640333 C2 DE3640333 C2 DE 3640333C2
- Authority
- DE
- Germany
- Prior art keywords
- tea
- pressure
- aroma
- fraction
- decaffeinated
- 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 - Fee Related
Links
- 244000269722 Thea sinensis Species 0.000 claims description 48
- 235000013616 tea Nutrition 0.000 claims description 47
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 36
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 239000000796 flavoring agent Substances 0.000 claims description 12
- 235000019634 flavors Nutrition 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000003463 adsorbent Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 235000006468 Thea sinensis Nutrition 0.000 claims description 5
- 235000020279 black tea Nutrition 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims 1
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 30
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 description 15
- 229960001948 caffeine Drugs 0.000 description 15
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 description 15
- 239000002904 solvent Substances 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical class CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 235000015092 herbal tea Nutrition 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229920001864 tannin Polymers 0.000 description 2
- 239000001648 tannin Substances 0.000 description 2
- 235000018553 tannin Nutrition 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000005899 aromatization reaction Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 235000013353 coffee beverage Nutrition 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- DEZRYPDIMOWBDS-UHFFFAOYSA-N dcm dichloromethane Chemical compound ClCCl.ClCCl DEZRYPDIMOWBDS-UHFFFAOYSA-N 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 244000013123 dwarf bean Species 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 150000002211 flavins Chemical class 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 235000021331 green beans Nutrition 0.000 description 1
- 235000009569 green tea Nutrition 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000021539 instant coffee Nutrition 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 239000000725 suspension 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
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/40—Tea flavour; Tea oil; Flavouring of tea or tea extract
- A23F3/42—Isolation or recuperation of tea flavour or tea oil
- A23F3/423—Isolation or recuperation of tea flavour or tea oil by solvent extraction; Tea flavour from tea oil
-
- 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
- A23F3/366—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof by extraction of the leaves with selective solvents
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Tea And Coffee (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3640333A DE3640333C3 (de) | 1986-11-26 | 1986-11-26 | Verfahren und Vorrichtung zur Herstellung von aromatisiertem, entcoffeiniertem Tee |
CA000552667A CA1318174C (en) | 1986-11-26 | 1987-11-24 | Process and apparatus for the production of decaffeinated tea |
EP19870117478 EP0269104B1 (de) | 1986-11-26 | 1987-11-26 | Verfahren und Vorrichtung zur Herstellung von entcoffeiniertem Tee |
DE3817736A DE3817736C2 (de) | 1986-11-26 | 1988-05-25 | Aromatisierung von entcoffeiniertem Tee |
US07/350,228 US4938977A (en) | 1986-11-26 | 1989-05-11 | Process for the production of decaffeinated tea |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3640333A DE3640333C3 (de) | 1986-11-26 | 1986-11-26 | Verfahren und Vorrichtung zur Herstellung von aromatisiertem, entcoffeiniertem Tee |
DE3817736A DE3817736C2 (de) | 1986-11-26 | 1988-05-25 | Aromatisierung von entcoffeiniertem Tee |
Publications (3)
Publication Number | Publication Date |
---|---|
DE3640333A1 DE3640333A1 (de) | 1988-06-09 |
DE3640333C3 DE3640333C3 (de) | 1994-08-11 |
DE3640333C2 true DE3640333C2 (en, 2012) | 1994-08-11 |
Family
ID=25849730
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3640333A Expired - Fee Related DE3640333C3 (de) | 1986-11-26 | 1986-11-26 | Verfahren und Vorrichtung zur Herstellung von aromatisiertem, entcoffeiniertem Tee |
DE3817736A Expired - Fee Related DE3817736C2 (de) | 1986-11-26 | 1988-05-25 | Aromatisierung von entcoffeiniertem Tee |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3817736A Expired - Fee Related DE3817736C2 (de) | 1986-11-26 | 1988-05-25 | Aromatisierung von entcoffeiniertem Tee |
Country Status (2)
Country | Link |
---|---|
US (1) | US4938977A (en, 2012) |
DE (2) | DE3640333C3 (en, 2012) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4400096A1 (de) * | 1994-01-04 | 1995-07-06 | Barth Raiser Hopfenextraktion | Verfahren zur Entcoffeinierung von schwarzem Tee |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3838952A1 (de) * | 1988-11-17 | 1990-05-23 | Barth Raiser Hopfenextraktion | Verfahren zur aromatisierung von behandeltem tee |
DE19524481C2 (de) * | 1995-07-05 | 2000-03-02 | Hopfenextraktion Hvg Barth, Raiser & Co | Verfahren zur Entcoffeinierung von schwarzem Tee |
US6063428A (en) | 1996-02-26 | 2000-05-16 | The Procter & Gamble Company | Green tea extract subjected to cation exchange treatment and nanofiltration to improve clarity and color |
AU2003275679A1 (en) | 2002-10-28 | 2004-05-13 | Kao Corporation | Method of removing caffeine from caffeine-containing catechin compound composition |
DE602004016561D1 (de) * | 2003-11-19 | 2008-10-23 | Scf Technologies As | Verfahren und prozess zur steuerung der temperaturen fluiden und vorrichtung dafür |
DE502005010720D1 (de) | 2004-07-09 | 2011-02-03 | Nateco2 Gmbh & Co Kg | Verfahren zur entcoffeinierung von tee |
CN103431088B (zh) * | 2013-09-06 | 2015-09-30 | 江苏丘陵地区镇江农业科学研究所 | 一种脱咖啡因红茶的加工工艺 |
CA2927138A1 (en) * | 2013-10-21 | 2015-04-30 | Demus S.P.A. | Process for removing caffeine from green coffee and plant for implementing the process |
CN104757220B (zh) * | 2015-05-06 | 2016-05-25 | 美町宝植物科技(中国)有限公司 | 脱咖啡因乌龙茶生产工艺 |
CN106172918A (zh) * | 2016-07-21 | 2016-12-07 | 蒋丽红 | 一种增香花香型红螺春的加工方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3065077A (en) * | 1960-02-02 | 1962-11-20 | Afico Sa | Method of making a soluble tea product |
CH458905A (fr) * | 1966-02-15 | 1968-06-30 | Nestle Sa | Procédé de préparation d'extraits de matières végétales |
US3689278A (en) * | 1970-10-21 | 1972-09-05 | Standard Brands Inc | Tea process |
DE2127642C3 (de) * | 1971-06-03 | 1975-10-16 | Studiengesellschaft Kohle Mbh, 4330 Muelheim | Verfahren zur Herstellung von coffeinfreiem schwarzem Tee mit vollem Aromagehalt |
US4167589A (en) * | 1971-06-03 | 1979-09-11 | Otto Vitzthum | Method for the manufacture of caffeine free black tea |
US3997685A (en) * | 1971-06-30 | 1976-12-14 | The Procter & Gamble Company | Stable aroma, flavor and aroma and flavor products from aroma- and flavor-bearing substrates |
CH537706A (fr) * | 1971-11-15 | 1973-06-15 | Nestle Sa | Procédé de préparation d'un produit aromatisant contenant des constituants aromatiques du thé |
US4069351A (en) * | 1976-02-05 | 1978-01-17 | Asahi Kasei Kogyo Kabushiki Kaisha | Extracting foods with a dimethyl ether-water mixture |
DE2637197C2 (de) * | 1976-08-18 | 1983-01-27 | Hag Ag, 2800 Bremen | Verfahren zum Entzug von Coffein aus coffeinhaltigen Naturstoffen mit einem überkritischen Extraktionsmittel |
US4092436A (en) * | 1976-12-06 | 1978-05-30 | The Procter & Gamble Company | Method of steam-stripping roast and ground coffee or tea |
US4130669A (en) * | 1977-06-22 | 1978-12-19 | The Procter & Gamble Company | Method of making an improved tea volatiles concentrate |
DE3339181A1 (de) * | 1983-10-28 | 1985-05-09 | Uhde Gmbh, 4600 Dortmund | Verfahren und vorrichtung zur entkoffeinierung von teeblaettern |
DE3445502A1 (de) * | 1983-12-13 | 1985-06-20 | Cafe Toro Ltda., Bogota | Verfahren und einrichtung zur entcoffeinierung von gruenem kaffee |
DE3413869A1 (de) * | 1984-04-12 | 1985-10-17 | Hopfenextraktion HVG Barth, Raiser & Co, 8069 Wolnzach | Verfahren zur entcoffeinierung von schwarzem tee |
DE3414767A1 (de) * | 1984-04-18 | 1985-11-07 | Hopfenextraktion HVG Barth, Raiser & Co, 8069 Wolnzach | Verfahren zur herstellung von entcoffeiniertem schwarzen oder gruenen tee |
DE3415844C2 (de) * | 1984-04-27 | 1994-02-03 | Sueddeutsche Kalkstickstoff | Verfahren zur Herstellung von entkoffeiniertem Tee |
EP0167399A3 (en) * | 1984-07-06 | 1987-08-26 | General Foods Corporation | Decaffeination of fermented unfired tea |
-
1986
- 1986-11-26 DE DE3640333A patent/DE3640333C3/de not_active Expired - Fee Related
-
1988
- 1988-05-25 DE DE3817736A patent/DE3817736C2/de not_active Expired - Fee Related
-
1989
- 1989-05-11 US US07/350,228 patent/US4938977A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4400096A1 (de) * | 1994-01-04 | 1995-07-06 | Barth Raiser Hopfenextraktion | Verfahren zur Entcoffeinierung von schwarzem Tee |
Also Published As
Publication number | Publication date |
---|---|
DE3640333A1 (de) | 1988-06-09 |
DE3640333C3 (de) | 1994-08-11 |
DE3817736A1 (de) | 1989-11-30 |
DE3817736C2 (de) | 1997-03-13 |
US4938977A (en) | 1990-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
OP8 | Request for examination as to paragraph 44 patent law | ||
AG | Has addition no. |
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D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8305 | Restricted maintenance of patent after opposition | ||
AG | Has addition no. |
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D4 | Patent maintained restricted | ||
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8339 | Ceased/non-payment of the annual fee |