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NL179334B - PROCESS FOR PREPARING COFFEINE-FREE BLACK TEA, RESPECTIVE, AND A COFFEINE-FREE TEA EXTRACT WITH A FULL CONTENT OF AROMA. - Google Patents

PROCESS FOR PREPARING COFFEINE-FREE BLACK TEA, RESPECTIVE, AND A COFFEINE-FREE TEA EXTRACT WITH A FULL CONTENT OF AROMA.

Info

Publication number
NL179334B
NL179334B NL7207534A NL7207534A NL179334B NL 179334 B NL179334 B NL 179334B NL 7207534 A NL7207534 A NL 7207534A NL 7207534 A NL7207534 A NL 7207534A NL 179334 B NL179334 B NL 179334B
Authority
NL
Netherlands
Prior art keywords
coffeine
free
aroma
preparing
full content
Prior art date
Application number
NL7207534A
Other languages
Dutch (nl)
Other versions
NL179334C (en
NL7207534A (en
Inventor
Otto Dr Rer Nat Vitzthum
Peter Chem Ing Hubert
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 NL7207534A publication Critical patent/NL7207534A/xx
Publication of NL179334B publication Critical patent/NL179334B/en
Application granted granted Critical
Publication of NL179334C publication Critical patent/NL179334C/en

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Tea And Coffee (AREA)
NL7207534A 1971-06-03 1972-06-02 PROCESS FOR PREPARING COFFEINE-FREE BLACK TEA, RESPECTIVE, AND A COFFEINE-FREE TEA EXTRACT WITH A FULL CONTENT OF AROMA. NL179334C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712127642 DE2127642C3 (en) 1971-06-03 1971-06-03 Process for making caffeine-free, full-flavored black tea

Publications (3)

Publication Number Publication Date
NL7207534A NL7207534A (en) 1972-12-05
NL179334B true NL179334B (en) 1986-04-01
NL179334C NL179334C (en) 1986-09-01

Family

ID=5809756

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7207534A NL179334C (en) 1971-06-03 1972-06-02 PROCESS FOR PREPARING COFFEINE-FREE BLACK TEA, RESPECTIVE, AND A COFFEINE-FREE TEA EXTRACT WITH A FULL CONTENT OF AROMA.

Country Status (8)

Country Link
JP (1) JPS5910775B1 (en)
BE (1) BE784226A (en)
CH (1) CH570773A5 (en)
DE (1) DE2127642C3 (en)
FR (1) FR2140098B1 (en)
GB (1) GB1333362A (en)
IT (1) IT1048925B (en)
NL (1) NL179334C (en)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2340566C2 (en) * 1973-08-10 1985-11-07 Peter, Siegfried, Prof.Dr., 8520 Erlangen Process for the separation of components from mixtures of substances with low vapor pressure with the aid of a compressed gas under supercritical conditions and another substance that influences the separation effect
AR204886A1 (en) * 1974-11-27 1976-03-05 Nestle Sa PROCEDURE FOR THE DECAFFEINATION OF VEGETABLE MATTERS
DE2634535C3 (en) * 1976-07-31 1982-04-22 Kaffee-Veredelungs-Werk Koffeinfrei Kaffee Gmbh & Co, 2000 Hamburg Process for decaffeinating green coffee
DE2846976C3 (en) * 1978-10-28 1982-05-06 Fried. Krupp Gmbh, 4300 Essen Process for decaffeinating green coffee
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
AU530961B2 (en) * 1980-10-16 1983-08-04 A.G. (Patents) Limited Production of decaffinated tea
FR2505616B1 (en) * 1981-05-14 1985-06-14 Rhone Poulenc Sa PROCESS FOR EXTRACTING THE FLAVOR OF ALCOHOLIC BEVERAGES OBTAINED FROM FRUITS OR THE LIKE
FR2505868B1 (en) * 1981-05-14 1985-12-13 Rhone Poulenc Sa PROCESS FOR MODIFYING THE COMPOSITION OF ALCOHOLIC BEVERAGES OBTAINED BY FERMENTATION OF FRUITS USING GAS IN SUPERCRITICAL CONDITION
EP0151202A1 (en) * 1984-02-08 1985-08-14 Hag Gf Aktiengesellschaft Process for preparing decaffeinated and soluble coffee or tea extract powder
DE3413869A1 (en) * 1984-04-12 1985-10-17 Hopfenextraktion HVG Barth, Raiser & Co, 8069 Wolnzach Process for the decaffeination of black tea
DE3414767A1 (en) * 1984-04-18 1985-11-07 Hopfenextraktion HVG Barth, Raiser & Co, 8069 Wolnzach Process for producing decaffeinated black or green tea
DE3415844C2 (en) * 1984-04-27 1994-02-03 Sueddeutsche Kalkstickstoff Process for the production of decaffeinated tea
DE3515740A1 (en) * 1985-05-02 1986-11-06 Skw Trostberg Ag, 8223 Trostberg METHOD FOR DECAFFINATING TEA
ATE49697T1 (en) * 1986-10-23 1990-02-15 Koffeinfrei Kaffee Gmbh PROCESS FOR DECAFEINERING NATURAL PRODUCTS, ESPECIALLY RAW COFFEE OR TEA.
ATE46086T1 (en) * 1986-10-23 1989-09-15 Koffeinfrei Kaffee Gmbh METHOD OF DECAFEINERING COFFEE.
DE3640333C3 (en) * 1986-11-26 1994-08-11 Barth Raiser Hopfenextraktion Process and apparatus for the preparation of flavored, decaffeinated tea
DE3640967A1 (en) * 1986-11-29 1988-06-09 Sueddeutsche Kalkstickstoff METHOD FOR DEAROMATIZING AND THEN REAROMATIZING TEA
DE3706595A1 (en) * 1987-02-28 1988-09-08 Messer Griesheim Gmbh METHOD FOR THE EXTRACTION OF ORGANIC COMPONENTS FROM SOLIDS
JPS63183979U (en) * 1987-05-15 1988-11-28
DE3719991A1 (en) * 1987-06-15 1988-12-29 Barth Raiser Hopfenextraktion Process for the recovery of carbon dioxide used as solvent for caffeine
DE3838952A1 (en) * 1988-11-17 1990-05-23 Barth Raiser Hopfenextraktion Process for aromatising (flavouring) treated tea
DE4400096C2 (en) * 1994-01-04 1997-06-12 Barth Raiser Hopfenextraktion Process for decaffeinating black tea
DE19524481C2 (en) * 1995-07-05 2000-03-02 Hopfenextraktion Hvg Barth, Raiser & Co Procedure for decaffeinating black tea
DE10018606A1 (en) * 2000-04-14 2001-10-25 Sueddeutsche Kalkstickstoff Production of food or animal feed, especially cereal, cocoa or egg yolk product, involves extracting and separating lipids and mixing lipophilic constituents with extracted matrix using supercritical and compressed carbon dioxide
EP1778018B1 (en) 2004-07-09 2010-12-22 NATECO2 GmbH & Co. KG Method for decaffinating tea
ATE468754T1 (en) * 2005-09-19 2010-06-15 Unilever Nv IMPROVED METHOD FOR PRODUCING TEA
RU2413421C2 (en) 2006-01-12 2011-03-10 Унилевер Нв Method for production of green tea
EP2515665B1 (en) * 2009-12-22 2013-08-14 Unilever NV A process for preparing a tea product
WO2019154554A1 (en) 2018-02-08 2019-08-15 Unilever Plc Decaffeinated beverage precursor
CN109077149B (en) * 2018-04-23 2021-10-29 江西师范大学 A kind of pure instant tea and preparation method thereof
CN112471277A (en) * 2020-12-17 2021-03-12 江西阳际峰茶业有限公司 Preparation method of tea with low caffeine
CN113068752A (en) * 2021-05-05 2021-07-06 深圳市花密鸟生物科技有限公司 Preparation method of tea powder and tea powder freeze-dried tablets and instant tea powder and tea powder freeze-dried tablets

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 (en) * 1970-02-05 1973-04-15 Studiengesellschaft Kohle Mbh Process for decaffeinating green coffee

Also Published As

Publication number Publication date
FR2140098A1 (en) 1973-01-12
NL179334C (en) 1986-09-01
DE2127642C3 (en) 1975-10-16
CH570773A5 (en) 1975-12-31
DE2127642B2 (en) 1975-03-13
GB1333362A (en) 1973-10-10
FR2140098B1 (en) 1977-12-23
NL7207534A (en) 1972-12-05
DE2127642A1 (en) 1973-01-04
BE784226A (en) 1972-11-30
JPS5910775B1 (en) 1984-03-12
IT1048925B (en) 1980-12-20

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: STUDIENGESELLSCHAFT KOHLE MBH

CNR Transfer of rights (patent application after its laying openfor public ins pection)

Free format text: KOHLE MBH. STUDIENGESELLSCHAFT -

V4 Lapsed because of reaching the maxim lifetime of a patent