GB1280633A - Improvements in and relating to the production of powdered or granular materials - Google Patents

Improvements in and relating to the production of powdered or granular materials

Info

Publication number
GB1280633A
GB1280633A GB5074168A GB5074168A GB1280633A GB 1280633 A GB1280633 A GB 1280633A GB 5074168 A GB5074168 A GB 5074168A GB 5074168 A GB5074168 A GB 5074168A GB 1280633 A GB1280633 A GB 1280633A
Authority
GB
United Kingdom
Prior art keywords
liquid
pressure
frozen
powdered
relating
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
GB5074168A
Inventor
Eric Ferdinand William Dux
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.)
J Lyons and Co Ltd
Original Assignee
J Lyons and Co Ltd
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 J Lyons and Co Ltd filed Critical J Lyons and Co Ltd
Priority to GB5074168A priority Critical patent/GB1280633A/en
Publication of GB1280633A publication Critical patent/GB1280633A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
    • A23L3/44—Freeze-drying
    • 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
    • A23F3/26—Drying or concentrating tea extract by lyophilisation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Tea And Coffee (AREA)

Abstract

1280633 Freeze drying J LYONS & CO Ltd 27 Oct 1969 [25 Oct 1968] 50741/68 Heading F4G Granular material is produced by subjecting a liquid containing the material to a gas under pressure, freezing the liquid, granulating the frozen liquid and drying the frozen granulate. Tea extract is subjected to carbon dioxide at high pressure and is cooled on the surface of a rotating drum. When the liquid is near its freezing point the pressure is removed and the freezing process completed. The frozen extract is then granulated and freeze dried. The final solids content is dependant upon the pressure of the carbon dioxide.
GB5074168A 1968-10-25 1968-10-25 Improvements in and relating to the production of powdered or granular materials Expired GB1280633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5074168A GB1280633A (en) 1968-10-25 1968-10-25 Improvements in and relating to the production of powdered or granular materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5074168A GB1280633A (en) 1968-10-25 1968-10-25 Improvements in and relating to the production of powdered or granular materials

Publications (1)

Publication Number Publication Date
GB1280633A true GB1280633A (en) 1972-07-05

Family

ID=10457160

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5074168A Expired GB1280633A (en) 1968-10-25 1968-10-25 Improvements in and relating to the production of powdered or granular materials

Country Status (1)

Country Link
GB (1) GB1280633A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256567A2 (en) * 1986-06-23 1988-02-24 Unilever N.V. Method of preparing a freeze-dried food product
WO1994028736A1 (en) * 1993-06-04 1994-12-22 Unilever Plc Hot soluble extractable food product and process for preparing same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256567A2 (en) * 1986-06-23 1988-02-24 Unilever N.V. Method of preparing a freeze-dried food product
EP0256567A3 (en) * 1986-06-23 1989-08-23 Unilever N.V. Method of preparing a freeze-dried food product
WO1994028736A1 (en) * 1993-06-04 1994-12-22 Unilever Plc Hot soluble extractable food product and process for preparing same

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Legal Events

Date Code Title Description
PS Patent sealed
CSNS Application of which complete specification have been accepted and published, but patent is not sealed