GB629251A - Improvements in or relating to processes for pretreating vegetables or fruits - Google Patents
Improvements in or relating to processes for pretreating vegetables or fruitsInfo
- Publication number
- GB629251A GB629251A GB7812/46A GB781246A GB629251A GB 629251 A GB629251 A GB 629251A GB 7812/46 A GB7812/46 A GB 7812/46A GB 781246 A GB781246 A GB 781246A GB 629251 A GB629251 A GB 629251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fruits
- vegetables
- air
- wet bulb
- bulb temperature
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/06—Blanching
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/02—Dehydrating; Subsequent reconstitution
- A23B7/0205—Dehydrating; Subsequent reconstitution by contact of the material with fluids, e.g. drying gas or extracting liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
629,251. Blanching vegetables or fruits. CENTRAAL BUREAU VAN DE TUINBOUWVEILINGEN IN NEDERLAND. March 13, 1946, No. 7812. Convention date, May 30,1941. [Class 49] For blanching preparatory to freezing, drying, or canning, vegetables or fruits are subjected in a closed chamber to a stream of hot air or gas having a humidity such that its wet bulb temperature is between 65‹ and 100‹C. With the batch apparatus of Fig. 1a mixture containing 0.95 kg. of steam to 1 kg. of air, initially heated by a heater to 125‹C and so of wet bulb temperature 85‹C is circulated over sliced carrots spread on a tray 4 to the extent of 20 kg./m<SP>2</SP>. After 200 sec. the temperature of the carrots is 86‹C. With the continuous apparatus of Fig 2 peas are spread to the extent of 7 kg./m<SP>2</SP> on a travelling belt 13 and conveyed for 60 sec. through a chamber 17 and therein subjected to a steam-air mixture heated by a heater 11 to 95‹C and of wet bulb temperature 90‹C, air for maintenance of this humidity being introduced through an opening 20 provided with an adjustable flap 19.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL629251X | 1941-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB629251A true GB629251A (en) | 1949-09-15 |
Family
ID=19788678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7812/46A Expired GB629251A (en) | 1941-05-30 | 1946-03-13 | Improvements in or relating to processes for pretreating vegetables or fruits |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB629251A (en) |
-
1946
- 1946-03-13 GB GB7812/46A patent/GB629251A/en not_active Expired
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