CA1103983A - Process for decaffeinating tea and resulting tea product - Google Patents
Process for decaffeinating tea and resulting tea productInfo
- Publication number
- CA1103983A CA1103983A CA316,782A CA316782A CA1103983A CA 1103983 A CA1103983 A CA 1103983A CA 316782 A CA316782 A CA 316782A CA 1103983 A CA1103983 A CA 1103983A
- Authority
- CA
- Canada
- Prior art keywords
- tannins
- caffeine
- extract
- phase
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000008569 process Effects 0.000 title claims abstract description 36
- 241001122767 Theaceae Species 0.000 title claims abstract 9
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims abstract description 156
- 239000000284 extract Substances 0.000 claims abstract description 117
- 239000001648 tannin Substances 0.000 claims abstract description 116
- 229920001864 tannin Polymers 0.000 claims abstract description 114
- 235000018553 tannin Nutrition 0.000 claims abstract description 113
- 229960001948 caffeine Drugs 0.000 claims abstract description 102
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims abstract description 78
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims abstract description 78
- 235000013616 tea Nutrition 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 235000015092 herbal tea Nutrition 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims description 32
- 239000002244 precipitate Substances 0.000 claims description 22
- 239000006228 supernatant Substances 0.000 claims description 19
- 239000003039 volatile agent Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 230000000536 complexating effect Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000006286 aqueous extract Substances 0.000 abstract description 5
- 241001523386 Verticordia pennigera Species 0.000 abstract description 2
- 244000269722 Thea sinensis Species 0.000 description 66
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 18
- 239000000047 product Substances 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 238000005119 centrifugation Methods 0.000 description 7
- 239000000470 constituent Substances 0.000 description 7
- 235000013361 beverage Nutrition 0.000 description 6
- 239000000796 flavoring agent Substances 0.000 description 6
- 235000019634 flavors Nutrition 0.000 description 6
- 239000000306 component Substances 0.000 description 4
- 235000019225 fermented tea Nutrition 0.000 description 4
- 235000009569 green tea Nutrition 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000004075 alteration Effects 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 241000237074 Centris Species 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000002285 corn oil Substances 0.000 description 2
- 235000005687 corn oil Nutrition 0.000 description 2
- 239000013557 residual solvent Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000001263 FEMA 3042 Substances 0.000 description 1
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000019606 astringent taste Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 229940094952 green tea extract Drugs 0.000 description 1
- 235000020688 green tea extract Nutrition 0.000 description 1
- 238000002506 high-vacuum sublimation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- -1 l.e. Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229920002258 tannic acid Polymers 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
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/868,938 US4315036A (en) | 1978-01-12 | 1978-01-12 | Process for decaffeinating tea |
| US868,938 | 1978-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1103983A true CA1103983A (en) | 1981-06-30 |
Family
ID=25352601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA316,782A Expired CA1103983A (en) | 1978-01-12 | 1978-11-23 | Process for decaffeinating tea and resulting tea product |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4315036A (en, 2012) |
| JP (1) | JPS54101496A (en, 2012) |
| AR (1) | AR220550A1 (en, 2012) |
| BE (1) | BE872945A (en, 2012) |
| CA (1) | CA1103983A (en, 2012) |
| CH (1) | CH639826A5 (en, 2012) |
| DE (1) | DE2851493A1 (en, 2012) |
| FR (1) | FR2414302A1 (en, 2012) |
| GB (1) | GB2012544B (en, 2012) |
| IN (1) | IN150435B (en, 2012) |
| IT (1) | IT1158187B (en, 2012) |
| KE (1) | KE3256A (en, 2012) |
| LU (1) | LU80776A1 (en, 2012) |
| NL (1) | NL190948C (en, 2012) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4521438A (en) * | 1983-09-29 | 1985-06-04 | General Foods Corporation | Coffee extract decaffeination method |
| US4552769A (en) * | 1985-04-01 | 1985-11-12 | Nestec S.A. | Cold soluble tea |
| US4797293A (en) * | 1987-06-09 | 1989-01-10 | General Foods Corporation | Process for a non-clouding, concentrated tea extract |
| GB9014756D0 (en) * | 1990-07-03 | 1990-08-22 | Unilever Plc | Tea process |
| IT1275905B1 (it) * | 1995-03-14 | 1997-10-24 | Indena Spa | Frazioni polifenoliche di te', loro uso e formulazioni che le contengono |
| WO2003101215A1 (en) * | 2002-05-30 | 2003-12-11 | Goodricke Group Limited | Hot water soluble instant tea |
| US20040097432A1 (en) * | 2002-11-04 | 2004-05-20 | Access Business Group International Llc. | Method of reducing cholesterol |
| US7022367B2 (en) * | 2004-07-28 | 2006-04-04 | Ito En, Ltd. | Oolong tea beverage and process of producing the same |
| JP5228229B2 (ja) * | 2008-09-03 | 2013-07-03 | 高砂香料工業株式会社 | 低カフェイン茶類抽出物の製造方法 |
| EP2369939B1 (en) | 2008-12-29 | 2015-02-18 | Unilever PLC | Food products enriched with methylxanthines |
| ES2381426T3 (es) * | 2008-12-29 | 2012-05-28 | Unilever N.V. | Productos de confitura congelados y bebidas que comprenden teobromina y cafeína |
| EP2571502B1 (en) | 2010-05-19 | 2016-04-27 | Unilever N.V. | Theobromine for increasing hdl-cholesterol |
| CN115486503A (zh) * | 2021-06-17 | 2022-12-20 | 百事可乐公司 | 提供咖啡因的缓慢释放的组合物 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1350092A (en) * | 1919-10-17 | 1920-08-17 | Datta Rasik Lal | Manufacture of caffein |
| GB397323A (en) * | 1932-10-15 | 1933-08-24 | Cornelius Massatsch | A process for decaffeinising coffee and detheinishing tea extracts |
| US2181549A (en) * | 1937-04-05 | 1939-11-28 | Grethe Theodor | Process for the improvement of tea free from or poor in caffeine and improved decaffeinized tea |
| US2863775A (en) * | 1954-09-09 | 1958-12-09 | Transcontinental Dev Company | Method of production of tea concentrate directly from tea leaves when the leaves arein a green state, and product of said method |
| US2963368A (en) * | 1958-05-28 | 1960-12-06 | Kwik Kafe Coffee Processors Of | Method of producing a tea concentrate |
| US3065077A (en) * | 1960-02-02 | 1962-11-20 | Afico Sa | Method of making a soluble tea product |
| US3163539A (en) * | 1961-09-07 | 1964-12-29 | Standard Brands Inc | Instant tea |
| CH401654A (fr) * | 1961-10-18 | 1965-10-31 | Nestle Sa | Procédé de préparation d'un extrait de thé soluble |
| CH480807A (de) * | 1967-11-13 | 1969-11-15 | Nestle Sa | Procédé de fabrication d'extraits de café ou de thé décaféinés |
| US3959497A (en) * | 1970-07-30 | 1976-05-25 | The Coca-Cola Co. | Enzymatic solubilization of tea cream |
| US3787590A (en) * | 1971-01-27 | 1974-01-22 | Tetley Inc | Method for solubilizing tea cream |
| IN142605B (en, 2012) * | 1973-10-12 | 1977-07-30 | Silva Uswatte Liyanage Lakshma | |
| IN142082B (en, 2012) * | 1973-10-12 | 1977-05-28 | R L Wickremasinghe | |
| US3950553A (en) * | 1974-06-10 | 1976-04-13 | Societe D'assistance Technique Pour Produits Nestle S.A. | Process for preparing a soluble tea product |
| AR204886A1 (es) * | 1974-11-27 | 1976-03-05 | Nestle Sa | Procedimiento para la descafeinacion de materias vegetale |
| US4031251A (en) * | 1975-01-08 | 1977-06-21 | Societe D'assistance Technique Pour Produits Nestle S.A. | Decaffeination of vegetable material |
| GB1535472A (en) * | 1976-03-17 | 1978-12-13 | Nestle Sa | Process for preparing a soluble tea product |
-
1978
- 1978-01-12 US US05/868,938 patent/US4315036A/en not_active Expired - Lifetime
- 1978-11-22 GB GB7845557A patent/GB2012544B/en not_active Expired
- 1978-11-23 CA CA316,782A patent/CA1103983A/en not_active Expired
- 1978-11-28 DE DE19782851493 patent/DE2851493A1/de active Granted
- 1978-11-28 IN IN1279/CAL/78A patent/IN150435B/en unknown
- 1978-12-18 NL NL7812279A patent/NL190948C/xx not_active IP Right Cessation
- 1978-12-19 CH CH1286378A patent/CH639826A5/fr not_active IP Right Cessation
- 1978-12-21 BE BE192460A patent/BE872945A/xx not_active IP Right Cessation
- 1978-12-22 IT IT52423/78A patent/IT1158187B/it active
-
1979
- 1979-01-10 LU LU80776A patent/LU80776A1/xx unknown
- 1979-01-10 JP JP175879A patent/JPS54101496A/ja active Granted
- 1979-01-11 FR FR7900618A patent/FR2414302A1/fr active Granted
- 1979-01-12 AR AR275151A patent/AR220550A1/es active
-
1983
- 1983-01-21 KE KE3256A patent/KE3256A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4315036A (en) | 1982-02-09 |
| LU80776A1 (fr) | 1979-05-16 |
| NL190948B (nl) | 1994-06-16 |
| NL7812279A (nl) | 1979-07-16 |
| GB2012544A (en) | 1979-08-01 |
| DE2851493A1 (de) | 1979-07-19 |
| FR2414302B1 (en, 2012) | 1982-10-08 |
| GB2012544B (en) | 1982-09-02 |
| KE3256A (en) | 1983-03-04 |
| JPS6151849B2 (en, 2012) | 1986-11-11 |
| FR2414302A1 (fr) | 1979-08-10 |
| JPS54101496A (en) | 1979-08-10 |
| BE872945A (fr) | 1979-06-21 |
| IT7852423A0 (it) | 1978-12-22 |
| NL190948C (nl) | 1994-11-16 |
| AR220550A1 (es) | 1980-11-14 |
| CH639826A5 (fr) | 1983-12-15 |
| IN150435B (en, 2012) | 1982-10-09 |
| DE2851493C2 (en, 2012) | 1990-06-07 |
| IT1158187B (it) | 1987-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |