BR9608740A - Dry product and drying process - Google Patents

Dry product and drying process

Info

Publication number
BR9608740A
BR9608740A BR9608740-4A BR9608740A BR9608740A BR 9608740 A BR9608740 A BR 9608740A BR 9608740 A BR9608740 A BR 9608740A BR 9608740 A BR9608740 A BR 9608740A
Authority
BR
Brazil
Prior art keywords
relative humidity
drying
air
drying process
allowed
Prior art date
Application number
BR9608740-4A
Other languages
Portuguese (pt)
Inventor
Paul Thomas Sikora
Wlodzimierz Ludwik Grocholski
Original Assignee
Dtl S A
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 Dtl S A filed Critical Dtl S A
Publication of BR9608740A publication Critical patent/BR9608740A/en

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
    • A23B7/02—Dehydrating; Subsequent reconstitution
    • A23B7/0205—Dehydrating; Subsequent reconstitution by contact of the material with fluids, e.g. drying gas or extracting liquids
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Drying Of Solid Materials (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Patente de Invenção: <B>"PRODUTO SECO E PROCESSO DE SECAGEM"<D>. Esta invenção refere-se a frutas e legumes secos que possuem um teor de água na faixa de 4% a 7% e uma atividade de água de 0,4. Substancialmente todas as células do produto seco não são danificadas. Um processo de secagem a ar é moderado e compreende quatro fases, durante as quais a temperatura do ar de secagem é mantida em 60°C. Numa primeira fase a umidade relativa do ar de secagem é deixada elevar até entre 50% e 55%, e é mantida substancialmente constante nesse valor durante a segunda fase mantendo-se substancialmente constante a troca do ar de secagem com ar novo. Numa terceira fase do processo a umidade relativa do meio de secagem é permitida decrescer de modo relativamene rápido até a quarta fase começar, em cujo estágio a umidade relativa é permitida aproximar-se assintoticamente de um valor predeterminado de umidade relativa. Durante o processo de secagem diferenças de temperatura e diferenças de umidade relatica excessivas entre a temperatura e umidade relativa, respectivamente do meio de secagem e do produto, são impedidas a fim de minimizar dano à estrutura celular do produto.Invention Patent: <B> "DRY PRODUCT AND DRYING PROCESS" <D>. This invention relates to dried fruits and vegetables that have a water content in the range of 4% to 7% and a water activity of 0.4. Substantially all cells of the dry product are not damaged. An air drying process is moderate and comprises four phases, during which the temperature of the drying air is maintained at 60 ° C. In a first phase, the relative humidity of the drying air is allowed to rise to between 50% and 55%, and is kept substantially constant at that value during the second phase, keeping the exchange of the drying air with fresh air substantially constant. In a third stage of the process the relative humidity of the drying medium is allowed to decrease relatively quickly until the fourth stage begins, at which stage the relative humidity is allowed to approach asymptotically a predetermined value of relative humidity. During the drying process, differences in temperature and excessive relative humidity differences between the temperature and relative humidity, respectively of the drying medium and the product, are prevented in order to minimize damage to the cellular structure of the product.

BR9608740-4A 1995-06-07 1996-06-07 Dry product and drying process BR9608740A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47281895A 1995-06-07 1995-06-07
PCT/IE1996/000037 WO1996039854A1 (en) 1995-06-07 1996-06-07 A dried product and a drying process

Publications (1)

Publication Number Publication Date
BR9608740A true BR9608740A (en) 1999-12-07

Family

ID=23877061

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9608740-4A BR9608740A (en) 1995-06-07 1996-06-07 Dry product and drying process

Country Status (9)

Country Link
EP (1) EP0841855A1 (en)
JP (1) JPH11504522A (en)
AU (1) AU720642B2 (en)
BR (1) BR9608740A (en)
CA (1) CA2222153A1 (en)
NZ (1) NZ309871A (en)
PL (1) PL184380B1 (en)
WO (1) WO1996039854A1 (en)
ZA (1) ZA964844B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6268012B1 (en) 1996-06-07 2001-07-31 Dtl S.A. Dried product and a drying process
WO1999004209A1 (en) 1997-07-18 1999-01-28 Dtl S.A. A mobile modular production system including a drying tunnel
FR2779912B1 (en) * 1998-06-19 2001-06-29 Vegafruits PROCESS FOR OBTAINING PARTIALLY DEHYDRATED AND PARTIALLY COOKED FRUITS
GB2424817B (en) * 2005-04-05 2009-10-28 Jane Kingsley Livestock feed succulent
WO2008054025A1 (en) * 2006-11-01 2008-05-08 Kracie Foods, Ltd. Method for preventing heat deteriorating smell of intermediate moisture food and method for producing intermediate moisture food packed in hermetically sealed container
ITPD20070020A1 (en) * 2007-01-23 2008-07-24 Sordato Srl PLANT FOR GRAPE SUITING AND FOLLOWING PROCEDURE
US20100196552A1 (en) * 2009-02-04 2010-08-05 Beau Giannini Method of preparing popped fruit
IT1400945B1 (en) * 2010-07-02 2013-07-02 Lanzillo PLANT FOR GRAPE GRAVING THROUGH DEHYDRATION PROCESS WITH HIGH OPERATIONAL EFFICIENCY.
CN109579473B (en) * 2018-11-15 2020-12-11 合肥职业技术学院 Heated air circulation oven that possesses automatic feeding mechanism

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973047A (en) * 1972-12-20 1976-08-03 General Foods Corporation Process of dehydrating vegetables
US3974301A (en) * 1973-06-25 1976-08-10 Massachusetts Institute Of Technology Dehydrated banana product
US4335150A (en) * 1979-06-19 1982-06-15 Chlorine Engineers Corp. Low temperature food drying process
AU532414B2 (en) * 1979-07-11 1983-09-29 Byron Agricultural Company Pty Ltd Dehydration of vegetables
JPH02119744A (en) * 1988-10-28 1990-05-07 Tohoku Electric Power Co Inc Drying method for 'shiitake' (mushroom)
FR2661224B1 (en) * 1990-04-23 1995-08-25 Deshydr Alp AIR DEHYDRATION PROCESS AND APPARATUS FOR ITS IMPLEMENTATION.
US5364643A (en) * 1993-09-27 1994-11-15 Kraft General Foods, Inc. Process for the infusion of dried fruits

Also Published As

Publication number Publication date
ZA964844B (en) 1997-03-12
CA2222153A1 (en) 1996-12-19
NZ309871A (en) 2000-01-28
JPH11504522A (en) 1999-04-27
WO1996039854A1 (en) 1996-12-19
PL184380B1 (en) 2002-10-31
PL323910A1 (en) 1998-04-27
EP0841855A1 (en) 1998-05-20
AU6014096A (en) 1996-12-30
AU720642B2 (en) 2000-06-08
MX9709524A (en) 1998-10-31

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
B09B Decision: refusal