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GB1469603A - Manufacture of soluble tea powders - Google Patents

Manufacture of soluble tea powders

Info

Publication number
GB1469603A
GB1469603A GB2809975A GB2809975A GB1469603A GB 1469603 A GB1469603 A GB 1469603A GB 2809975 A GB2809975 A GB 2809975A GB 2809975 A GB2809975 A GB 2809975A GB 1469603 A GB1469603 A GB 1469603A
Authority
GB
United Kingdom
Prior art keywords
liquor
tea
leaf
exceeding
manufacture
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
GB2809975A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2809975A priority Critical patent/GB1469603A/en
Publication of GB1469603A publication Critical patent/GB1469603A/en
Expired legal-status Critical Current

Links

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
    • A23F3/16—Tea extraction; Tea extracts; Treating tea extract; Making instant tea
    • A23F3/18—Extraction of water soluble tea constituents
    • 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
    • A23F3/16—Tea extraction; Tea extracts; Treating tea extract; Making instant tea
    • A23F3/22—Drying or concentrating tea extract
    • A23F3/225—Drying or concentrating tea extract by evaporation, e.g. drying in thin layers, foam drying

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)

Abstract

1469603 Extracting tea leaf M A V DEVANATHAN and G R ROBERTS 3 July 1975 28099/75 Heading A2B Tea leaf is extracted by contacting the leaf with approximately 10 times its dry weight of water at a temperature not exceeding 95‹C with the application of a pressure not exceeding 1 kg/cm<SP>2</SP> to yield a liquor of 3-5% total solids at an extraction efficiency of 25-28%. The liquor so obtained may be concentrated by distillation under reduced pressure and finally dried to a powder concentrate. The liquor may contain an antioxidant e.g. tocopherol or ascorbic acid and the evaporation carried out under an atmosphere of C0 2 or N 2 to prevent oxidation of the theaflavius present. Additional compounds having a tea aroma may be solvent extracted from the spent leaves and then adsorbed into the tea powder.
GB2809975A 1975-07-03 1975-07-03 Manufacture of soluble tea powders Expired GB1469603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2809975A GB1469603A (en) 1975-07-03 1975-07-03 Manufacture of soluble tea powders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2809975A GB1469603A (en) 1975-07-03 1975-07-03 Manufacture of soluble tea powders

Publications (1)

Publication Number Publication Date
GB1469603A true GB1469603A (en) 1977-04-06

Family

ID=10270254

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2809975A Expired GB1469603A (en) 1975-07-03 1975-07-03 Manufacture of soluble tea powders

Country Status (1)

Country Link
GB (1) GB1469603A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996004802A1 (en) * 1994-08-08 1996-02-22 The Procter & Gamble Company Process for making a stable green tea extract
US5780086A (en) * 1994-08-08 1998-07-14 The Procter & Gamble Company Color and shelf stable beverage compositions containing tea extract
WO2009023918A1 (en) * 2007-08-20 2009-02-26 Quinn Pharmaceuticals Method of producing plant extract formulations
CN113712095A (en) * 2021-08-30 2021-11-30 福建农林大学 Instant big yellow tea powder with high fragrance and original taste and preparation method thereof
CN115720946A (en) * 2022-12-08 2023-03-03 统一企业(中国)投资有限公司昆山研究开发中心 Tea juice of decocted tea, preparation method and application thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996004802A1 (en) * 1994-08-08 1996-02-22 The Procter & Gamble Company Process for making a stable green tea extract
US5780086A (en) * 1994-08-08 1998-07-14 The Procter & Gamble Company Color and shelf stable beverage compositions containing tea extract
WO2009023918A1 (en) * 2007-08-20 2009-02-26 Quinn Pharmaceuticals Method of producing plant extract formulations
CN113712095A (en) * 2021-08-30 2021-11-30 福建农林大学 Instant big yellow tea powder with high fragrance and original taste and preparation method thereof
CN115720946A (en) * 2022-12-08 2023-03-03 统一企业(中国)投资有限公司昆山研究开发中心 Tea juice of decocted tea, preparation method and application thereof

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee