GB1164275A - Improvements in the Sterilization of Food Products. - Google Patents

Improvements in the Sterilization of Food Products.

Info

Publication number
GB1164275A
GB1164275A GB7981/66A GB798166A GB1164275A GB 1164275 A GB1164275 A GB 1164275A GB 7981/66 A GB7981/66 A GB 7981/66A GB 798166 A GB798166 A GB 798166A GB 1164275 A GB1164275 A GB 1164275A
Authority
GB
United Kingdom
Prior art keywords
cooled
streams
under pressure
dissolved oxygen
food product
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
GB7981/66A
Inventor
Thomas Richard Ashton
Victor Claude Herbert Cottle
David Jackson
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.)
Express Dairy Co London Ltd
Original Assignee
Express Dairy Co London 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 Express Dairy Co London Ltd filed Critical Express Dairy Co London Ltd
Priority to GB7981/66A priority Critical patent/GB1164275A/en
Priority to ES0332387A priority patent/ES332387A1/en
Priority to NL6614722A priority patent/NL6614722A/xx
Priority to BR183798/66A priority patent/BR6683798D0/en
Priority to FR80537A priority patent/FR1499522A/en
Publication of GB1164275A publication Critical patent/GB1164275A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C7/00—Other dairy technology
    • A23C7/04—Removing unwanted substances other than lactose or milk proteins from milk
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C3/00—Preservation of milk or milk preparations
    • A23C3/005—Storing or packaging in a vacuum or in inert or sterile gaseous atmosphere
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C3/00—Preservation of milk or milk preparations
    • A23C3/02—Preservation of milk or milk preparations by heating
    • A23C3/03—Preservation of milk or milk preparations by heating the materials being loose unpacked
    • A23C3/033—Preservation of milk or milk preparations by heating the materials being loose unpacked and progressively transported through the apparatus
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
    • A23C9/1524—Inert gases, noble gases, oxygen, aerosol gases; Processes for foaming

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Dairy Products (AREA)

Abstract

1,164,275. Removing cooked flavour from sterilized foods. EXPRESS DAIRY CO. (LONDON) Ltd. 14 Oct., 1966 [19 Oct., 1965; 2 Nov., 1965; 23 Feb., 1966], Nos. 44156/65, 46360/65 and 7981/66. Heading A2D. The removal of the initial cooked flavour produced in food products when sterilized by an ultra high temperature process is controlled by holding the product, after sterilization, under such conditions of temperature and/or pressure and controlled reduced dissolved oxygen content so as to support oxidation of the sulphydryl and other oxidizable compounds that contribute to the initial cooked flavour, the amounts of oxygen being so controlled that at the end of such oxidation little or substantially no dissolved oxygen remains, thus precluding subsequent long-term oxidative flavour deterioration of the product. The food products may be milk and milk products, creamed rice, soups, fruit juices and purees, alcoholic and non-alcoholic beverages, and baby foods containing cereals. In the examples: (1) a food product is sterilized at about 280‹F. for 1 to 2 seconds, divided into two streams one of which is cooled by indirect heat exchange under pressure to retain its dissolved oxygen and the other cooled by flash evaporation to substantially remove its dissolved oxygen, and the cooled streams are recombined for sterile packaging in gas impermeable containers; (2) separate streams of food product with (a) substantially no oxygen and (b) normal oxygen contents are heat treated and cooled by indirect heat exchange under pressure, the streams being combined before heating, between heating and cooling, or after cooling; (3 and 4) a food product is heated by indirect heat exchange and cooled partly by flash evaporation and partly under pressure; (5) a food product heated by steam injection is divided into two streams one of which is cooled by flash evaporation and then combined with the second stream, optionally after cooling the second stream under pressure.
GB7981/66A 1965-10-19 1966-02-23 Improvements in the Sterilization of Food Products. Expired GB1164275A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB7981/66A GB1164275A (en) 1965-10-19 1966-02-23 Improvements in the Sterilization of Food Products.
ES0332387A ES332387A1 (en) 1965-10-19 1966-10-18 A method for controlling the elimination of flavor to initial cooking in a sterilized food product at ultraelevated temperature. (Machine-translation by Google Translate, not legally binding)
NL6614722A NL6614722A (en) 1965-10-19 1966-10-19
BR183798/66A BR6683798D0 (en) 1965-10-19 1966-10-19 IMPROVEMENT IN STERILIZATION OF MILK OR MILK PRODUCTS
FR80537A FR1499522A (en) 1965-10-19 1966-10-19 Improvements to the process of sterilizing milk or milk-based products

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4415665 1965-10-19
GB4636065 1965-11-02
GB7981/66A GB1164275A (en) 1965-10-19 1966-02-23 Improvements in the Sterilization of Food Products.

Publications (1)

Publication Number Publication Date
GB1164275A true GB1164275A (en) 1969-09-17

Family

ID=27255095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7981/66A Expired GB1164275A (en) 1965-10-19 1966-02-23 Improvements in the Sterilization of Food Products.

Country Status (5)

Country Link
BR (1) BR6683798D0 (en)
ES (1) ES332387A1 (en)
FR (1) FR1499522A (en)
GB (1) GB1164275A (en)
NL (1) NL6614722A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4335298A1 (en) * 2022-09-08 2024-03-13 KRONES Aktiengesellschaft Method and apparatus for direct heating of liquid food products

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8422212D0 (en) * 1984-09-03 1984-10-10 Milk Marketing Board Heat treatment of liquid milk products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4335298A1 (en) * 2022-09-08 2024-03-13 KRONES Aktiengesellschaft Method and apparatus for direct heating of liquid food products

Also Published As

Publication number Publication date
ES332387A1 (en) 1967-08-01
BR6683798D0 (en) 1973-12-04
FR1499522A (en) 1967-10-27
NL6614722A (en) 1967-04-20

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414E Application relinquished (sect. 14/1949)
CSNS Application of which complete specification have been accepted and published, but patent is not sealed