MX9709524A - Un producto seco y un procedimiento de secado. - Google Patents
Un producto seco y un procedimiento de secado.Info
- Publication number
- MX9709524A MX9709524A MX9709524A MX9709524A MX9709524A MX 9709524 A MX9709524 A MX 9709524A MX 9709524 A MX9709524 A MX 9709524A MX 9709524 A MX9709524 A MX 9709524A MX 9709524 A MX9709524 A MX 9709524A
- Authority
- MX
- Mexico
- Prior art keywords
- relative humidity
- drying
- percent
- phase
- air
- Prior art date
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
Una fruta o vegetal seco, tiene un contenido de agua en el rango de 4% a 7%, y tiene una actividad de agua de 0.4. Sustancialmente, todas las células del producto seco no son dañadas. Un procedimiento de secado con aire es moderado y comprende cuatro fases, durante las cuales la temperatura del aire de secado se mantiene a 60 degree C. En la primera fase, la humedad relativa del aire de secado se permite que se incremente entre 50% y 55%, y se mantiene sustancialmente constante a este nivel durante la segunda fase manteniendo intercambio del aire de secado con el aire fresco sustancialmente constante. En una tercera fase del procedimiento, la humedad relativa del medio de secado se permite que se reduzca relativamente en forma rápida hasta que la cuarta fase comienza, en tal etapa, la humedad relativa se permite que se acerque asintoticamente a un valor de humedad relativa predeterminado. Durante el procedimiento de secado, las diferencias de temperatura excesiva y las diferencias de humedad relativa entre la temperatura y la humedad relativa, respectivamente del medio de secado y del producto, son evitadas con el fin de reducir al mínimo el daño a la estructura celular del producto.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47281895A | 1995-06-07 | 1995-06-07 | |
| US472818 | 1995-06-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX9709524A true MX9709524A (es) | 1998-10-31 |
| MXPA97009524A MXPA97009524A (es) | 1999-01-11 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| ZA964844B (en) | 1997-03-12 |
| CA2222153A1 (en) | 1996-12-19 |
| NZ309871A (en) | 2000-01-28 |
| JPH11504522A (ja) | 1999-04-27 |
| WO1996039854A1 (en) | 1996-12-19 |
| BR9608740A (pt) | 1999-12-07 |
| PL184380B1 (pl) | 2002-10-31 |
| PL323910A1 (en) | 1998-04-27 |
| EP0841855A1 (en) | 1998-05-20 |
| AU6014096A (en) | 1996-12-30 |
| AU720642B2 (en) | 2000-06-08 |
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