GB1333362A - Method of producing caffeine-free black tea - Google Patents

Method of producing caffeine-free black tea

Info

Publication number
GB1333362A
GB1333362A GB2593972A GB2593972A GB1333362A GB 1333362 A GB1333362 A GB 1333362A GB 2593972 A GB2593972 A GB 2593972A GB 2593972 A GB2593972 A GB 2593972A GB 1333362 A GB1333362 A GB 1333362A
Authority
GB
United Kingdom
Prior art keywords
tea
black tea
free black
extracted
caffeine
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
Application number
GB2593972A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hag AG
Original Assignee
Hag AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hag AG filed Critical Hag AG
Publication of GB1333362A publication Critical patent/GB1333362A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0203—Solvent extraction of solids with a supercritical fluid
    • 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
    • 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

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Tea And Coffee (AREA)
GB2593972A 1971-06-03 1972-06-02 Method of producing caffeine-free black tea Expired GB1333362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712127642 DE2127642C3 (de) 1971-06-03 1971-06-03 Verfahren zur Herstellung von coffeinfreiem schwarzem Tee mit vollem Aromagehalt

Publications (1)

Publication Number Publication Date
GB1333362A true GB1333362A (en) 1973-10-10

Family

ID=5809756

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2593972A Expired GB1333362A (en) 1971-06-03 1972-06-02 Method of producing caffeine-free black tea

Country Status (8)

Country Link
JP (1) JPS5910775B1 (no)
BE (1) BE784226A (no)
CH (1) CH570773A5 (no)
DE (1) DE2127642C3 (no)
FR (1) FR2140098B1 (no)
GB (1) GB1333362A (no)
IT (1) IT1048925B (no)
NL (1) NL179334C (no)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7410319A (nl) * 1973-08-10 1975-02-12 Siegfried Peter Prof Dr Werkwijze voor het scheiden van mengsels van stoffen door een extraherende destillatie.
FR2505868A1 (fr) * 1981-05-14 1982-11-19 Rhone Poulenc Sa Procede de modification de la composition de boissons alcoolisees obtenues par fermentation de fruits par utilisation de gaz en etat supercritique
FR2505616A1 (fr) * 1981-05-14 1982-11-19 Rhone Poulenc Sa Procede d'extraction de l'arome de boissons alcoolisees obtenues a partir de fruits ou de produits assimiles
EP0280934A2 (de) * 1987-02-28 1988-09-07 Messer Griesheim Gmbh Verfahren zur Extraktion organischer Bestandteile aus Feststoffen
WO2007039018A1 (en) * 2005-09-19 2007-04-12 Unilever Plc Improved process for tea manufacture
US7799364B2 (en) 2006-01-12 2010-09-21 Conopco Inc. Method for the manufacture of a green tea product
WO2019154554A1 (en) 2018-02-08 2019-08-15 Unilever Plc Decaffeinated beverage precursor
CN113068752A (zh) * 2021-05-05 2021-07-06 深圳市花密鸟生物科技有限公司 茶粉、茶粉冻干片制备方法及其速溶茶粉、茶粉冻干片

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR204886A1 (es) * 1974-11-27 1976-03-05 Nestle Sa Procedimiento para la descafeinacion de materias vegetale
DE2634535C3 (de) * 1976-07-31 1982-04-22 Kaffee-Veredelungs-Werk Koffeinfrei Kaffee Gmbh & Co, 2000 Hamburg Verfahren zur Entcoffeinierung von Rohkaffee
DE2846976C3 (de) * 1978-10-28 1982-05-06 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Entcoffeinierung von Rohkaffee
US4251559A (en) * 1978-11-06 1981-02-17 Societe D'assistance Technique Pour Produits Nestle S.A. Decaffeination process
US4276315A (en) 1979-02-12 1981-06-30 General Foods Corporation Method for decaffeinating coffee
ATE8325T1 (de) * 1980-10-16 1984-07-15 A.G. (Patents) Limited Verfahren zur herstellung von entkoffeiniertem tee.
EP0151202A1 (de) * 1984-02-08 1985-08-14 Hag Gf Aktiengesellschaft Verfahren zur Herstellung von coffeinfreiem löslichem Kaffee- oder Tee-Extrakt-Pulver
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
DE3515740A1 (de) * 1985-05-02 1986-11-06 Skw Trostberg Ag, 8223 Trostberg Verfahren zur entcoffeinierung von tee
DE3665407D1 (en) * 1986-10-23 1989-10-12 Koffeinfrei Kaffee Gmbh Process for the decaffeination of coffee
EP0264484B1 (de) * 1986-10-23 1990-01-24 Kaffee-Veredelungs-Werk Koffeinfrei Kaffee G.m.b.H. & Co. Verfahren zum Entcoffeinieren von Naturstoffen, insbesondere Rohkaffee oder Tee
DE3640333C3 (de) * 1986-11-26 1994-08-11 Barth Raiser Hopfenextraktion Verfahren und Vorrichtung zur Herstellung von aromatisiertem, entcoffeiniertem Tee
DE3640967A1 (de) * 1986-11-29 1988-06-09 Sueddeutsche Kalkstickstoff Verfahren zur entaromatisierung und anschliessenden rearomatisierung von tee
JPS63183979U (no) * 1987-05-15 1988-11-28
DE3719991A1 (de) * 1987-06-15 1988-12-29 Barth Raiser Hopfenextraktion Verfahren zur wiedergewinnung von als loesungsmittel fuer coffein verwendetem kohlendioxid
DE3838952A1 (de) * 1988-11-17 1990-05-23 Barth Raiser Hopfenextraktion Verfahren zur aromatisierung von behandeltem tee
DE4400096C2 (de) * 1994-01-04 1997-06-12 Barth Raiser Hopfenextraktion Verfahren zur Entcoffeinierung von schwarzem Tee
DE19524481C2 (de) * 1995-07-05 2000-03-02 Hopfenextraktion Hvg Barth, Raiser & Co Verfahren zur Entcoffeinierung von schwarzem Tee
DE10018606A1 (de) * 2000-04-14 2001-10-25 Sueddeutsche Kalkstickstoff Verfahren zur Herstellung von Nahrungsmitteln und/oder Futtermitteln
WO2006005537A1 (de) 2004-07-09 2006-01-19 Nateco2 Gmbh + Co. Kg Verfahren zur entcoffeinierung von tee
EP2515665B1 (en) * 2009-12-22 2013-08-14 Unilever NV A process for preparing a tea product
CN109077149B (zh) * 2018-04-23 2021-10-29 江西师范大学 一种纯速溶茶及其制备方法
CN112471277A (zh) * 2020-12-17 2021-03-12 江西阳际峰茶业有限公司 一种低咖啡碱茶叶的制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3477856A (en) * 1965-11-10 1969-11-11 Us Agriculture Process for extraction of flavors
CH535543A (de) * 1970-02-05 1973-04-15 Studiengesellschaft Kohle Mbh Verfahren zur Entcoffeinierung von Rohkaffee

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7410319A (nl) * 1973-08-10 1975-02-12 Siegfried Peter Prof Dr Werkwijze voor het scheiden van mengsels van stoffen door een extraherende destillatie.
FR2505868A1 (fr) * 1981-05-14 1982-11-19 Rhone Poulenc Sa Procede de modification de la composition de boissons alcoolisees obtenues par fermentation de fruits par utilisation de gaz en etat supercritique
FR2505616A1 (fr) * 1981-05-14 1982-11-19 Rhone Poulenc Sa Procede d'extraction de l'arome de boissons alcoolisees obtenues a partir de fruits ou de produits assimiles
EP0280934A2 (de) * 1987-02-28 1988-09-07 Messer Griesheim Gmbh Verfahren zur Extraktion organischer Bestandteile aus Feststoffen
EP0280934A3 (de) * 1987-02-28 1989-03-29 Messer Griesheim Gmbh Verfahren zur Extraktion organischer Bestandteile aus Feststoffen
WO2007039018A1 (en) * 2005-09-19 2007-04-12 Unilever Plc Improved process for tea manufacture
AU2006299268B2 (en) * 2005-09-19 2010-07-22 Ekaterra Research and Development UK Limited Improved process for tea manufacture
US7799364B2 (en) 2006-01-12 2010-09-21 Conopco Inc. Method for the manufacture of a green tea product
WO2019154554A1 (en) 2018-02-08 2019-08-15 Unilever Plc Decaffeinated beverage precursor
CN113068752A (zh) * 2021-05-05 2021-07-06 深圳市花密鸟生物科技有限公司 茶粉、茶粉冻干片制备方法及其速溶茶粉、茶粉冻干片

Also Published As

Publication number Publication date
NL179334B (nl) 1986-04-01
BE784226A (fr) 1972-11-30
FR2140098B1 (no) 1977-12-23
CH570773A5 (no) 1975-12-31
NL179334C (nl) 1986-09-01
DE2127642B2 (de) 1975-03-13
IT1048925B (it) 1980-12-20
DE2127642A1 (de) 1973-01-04
FR2140098A1 (no) 1973-01-12
DE2127642C3 (de) 1975-10-16
JPS5910775B1 (no) 1984-03-12
NL7207534A (no) 1972-12-05

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PE20 Patent expired after termination of 20 years