WO2009125041A1 - Procedimiento para la congelación de productos hortofrutícolas - Google Patents
Procedimiento para la congelación de productos hortofrutícolas Download PDFInfo
- Publication number
- WO2009125041A1 WO2009125041A1 PCT/ES2009/070088 ES2009070088W WO2009125041A1 WO 2009125041 A1 WO2009125041 A1 WO 2009125041A1 ES 2009070088 W ES2009070088 W ES 2009070088W WO 2009125041 A1 WO2009125041 A1 WO 2009125041A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fruit
- freezing
- water
- procedure
- 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
- A23B7/04—Freezing; Subsequent thawing; Cooling
- A23B7/05—Freezing; Subsequent thawing; Cooling with addition of chemicals or treatment with chemicals other than cryogenics, before or during cooling, e.g. in the form of an ice coating or frozen block
- A23B7/055—Freezing; Subsequent thawing; Cooling with addition of chemicals or treatment with chemicals other than cryogenics, before or during cooling, e.g. in the form of an ice coating or frozen block with direct contact between the food and the chemical, e.g. liquid nitrogen, at cryogenic temperature
-
- 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
- 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
- A23B7/0215—Post-treatment of dried fruits or vegetables
-
- 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
- A23B7/04—Freezing; Subsequent thawing; Cooling
Definitions
- the present invention relates to an industrial process specially designed for application in the agricultural products processing sector, in which whole or chopped fresh or harvested horticultural foods are frozen or taken from the tree or plant at the time of maturation optimal
- the object of the invention is to provide a freezing process in which the metabolic processes and the respiration of the fruits are reduced, allowing to prolong the storage time thereof, all without destroying their structure in said process, allowing to save the Frozen foods in the stages of greatest production to be supplied in the market in times of shortage, maintaining all its organoleptic qualities.
- the growth of a fruit generally comprises an initial period of cell multiplication, followed by a longer period of enlargement of cells that culminates in maturation.
- a fruit is physiologically mature when it has reached its last stage of growth and has developed the ability to ripen normally after harvesting. During ripening, the fruits undergo a succession of important biochemical and physiological changes that lead to the achievement of optimal sensory characteristics for consumption.
- the juices inside the cells of the fruit are composed of substances dissolved in water, such as acids, pigments, sugars, minerals, vitamins, etc. Some of these substances or compounds of small volume, such as water or certain acids, can leave with some ease through the micro holes of the membrane or cell wall.
- US 2004/096559 describes a method for freezing vegetables or fruits, in which the products are partially dehydrated to significantly reduce the original water content of the product.
- the products are dehydrated by hot air at a temperature greater than 90 °, preferably reducing the water content between 25% and 60%.
- they are subjected to an ultra-fast freezing treatment, immersing the products in a bath of liquid nitrogen or liquid carbon dioxide at a temperature close to -200 ° C.
- defrosting the products they maintain their flavor, but not appearance, which remains very wrinkled since they have removed a very important part of their water.
- the EP document 1525801 describes a process in which the fruit is subjected to a regime of temperature reduction in stages.
- the fruit is slowly cooled to 0 o C, then slowly frozen to a temperature between -8 o C and -12 ° C at a cooling rate of 10 ° C to more than 40 ° C per hour, so that the difference of temperature between the surface and the interior is 1, 5 ° C; and finally it is cooled further until ice formation occurs.
- this procedure manages to preserve the flavor of the fruit better than other alternative procedures, in which the fruit is sprayed with sugary fluids or powders, it is oriented to the fruits being ingested in their frozen state. In the event that the fruits are defrosted, they lose considerably their original texture.
- Patent documents FR 2878412, EP 0572745 and US6004607 describe a process in which the products are immersed in an aqueous solution for surface pre-freezing, before being cooled or frozen after using conventional methods. According to these documents, when the products are immersed in the aqueous solution, the freezing of the envelope of the fruit, of its outermost layer is produced, without the freezing of the core of the fruit occurring at the moment, which reduces the damage caused subsequently in the product envelope when the ice crystals formed inside. These procedures suffer, however, from the important disadvantages: a) that it is the change in taste that the products added to the aqueous solution to reduce the freezing point of the water confer on the submerged products.
- WO 2007/057888 describes a method for the preservation of fresh agricultural products, where they are manually manipulated and the moisture thereof is removed in an amount between 5% and 20%, which does not exceed a rate of 30 x 10 ⁇ 6 Kg. Per unit area of said product in square meters. Subsequently, the freezing of said products is carried out.
- the document P200701391 the light and slowly food is dehydrated by convention air with a preferably moisture between 60% and 70% at a temperature between 5 ° C and 10 ° C to partially remove the water content of the food, special of its envelope or its outermost layer, between approximately 2% and approximately 10% by weight.
- the fruit obtained from the above operations is vacuum packed with a tight, flexible and preferably transparent and shrink wrap.
- the packaged fruit is subjected to a rapid freezing treatment, by immersion in an aqueous solution of organic or inorganic salts under stirring ⁇ that keep the water in a liquid state even though its temperature is below -50 to C, for a time between 2 and 10 minutes depending on the type and size of the fruit.
- the method for the freezing of fruit and vegetable products that the invention proposes solves in a fully satisfactory way the problem previously exposed, allowing to obtain a high quality frozen product, without breaking the internal structure or the walls of the food cells, in a manner Once their appearance, taste, smell and texture are thawed, they are similar to those they had before freezing, all with significantly reduced process execution times.
- the procedure that is recommended is to reduce the water content of the fruit between 6 and 10%, forcing the perspiration of the fruit in a relatively rapid way when subjected to an osmosis treatment, or by means of a vacuum cooler (vacuum cooling), in both cases in order to reduce its water content between 6 and 10%.
- the fruit can also be subjected to a relatively dry air flow between 0 and 50% relative humidity, and a temperature between 10 and 30 0 C.
- the dry air could come from an industrial dehumidifier, leaving the air with some concentrations between 0 and 50% relative humidity, depending on whether the product to be dehydrated is a whole fruit, or cut and peeled.
- the dry air may consist of air cooled to a temperature of the order of 0 to 5 o C to remove most of the water contained, and then heat it up to about 15 ° to 30 ° leaving a humidity of the order of 20% at 50% RH, for which said heating can be obtained by passing the product through the radiator of the refrigeration unit that has been used to cool it; or by a heat source, if another source has been used to cool the air, such as the excess nitrogen from the tunnel or freezing chamber.
- the fruits are quickly frozen in a few minutes in a tunnel or a cabinet with liquid nitrogen, carbon dioxide or mechanical cold depending on the size and shape of the fruit and vegetable product, (whole or peeled and cut), in all cases at a temperature below -40 ° C.
- the procedure consists in perspiring the food for a certain time under certain conditions to make it lose a slight percentage of its water content.
- ripe fruits have their cells completely filled with water, so if the fruit is forced to perspire, and lose enough water, when the ice freezes, when it grows, it will not break the walls of the cells, so that when defrosting the fruit nothing will happen, since the water will be relocated without problem in the cell. In this way the molecular structure is prevented from breaking, but without changing its appearance.
- the forced perspiration Once the forced perspiration has been completed, it is passed either through a tunnel or continuous freezing chamber or through a special cabinet for freezing for cycles.
- the perspiration is forced by osmosis, submerging the whole or cut fruits in a suitable liquid or syrup, to force the water out until the desired level In whole fruits and with resistant skin, for example tomato, it will be necessary to apply a skin permeabilization treatment.
- the vacuum cooling technique can be used, widely used after harvests to quickly cool the food, which has the advantage of consuming little energy , but it has the disadvantage that the fruit transpires relatively little: 1% of water for every 5 o C cooled.
- the freezing system depends essentially on the size of the product to be frozen, although it is always convenient for the freezing to be very fast so that only very small crystals are formed, which do not harm food at all.
- the aforementioned fruit and vegetable products once they have left the tunnel, are deposited in bulk in tanks inside a frozen chamber at a temperature below -18 ° C. Where they can be stored for months.
- these frozen products can be packaged in the different commercial sizes requested by the customers, either of a single product or a mixture of several.
- the great advantage of this system is that the texture of the food measured with a penetrometer before and after defrosting hardly varies, both in whole pieces as peeled and cut.
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)
- Freezing, Cooling And Drying Of Foods (AREA)
- Storage Of Fruits Or Vegetables (AREA)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009801122592A CN102014642A (zh) | 2008-04-10 | 2009-04-02 | 用于冷冻果蔬产品的方法 |
EP09730046A EP2260715A4 (en) | 2008-04-10 | 2009-04-02 | PROCESS FOR FREEZING FRUIT AND VEGETABLE PRODUCTS |
US12/934,007 US20110027439A1 (en) | 2008-04-10 | 2009-04-02 | Method for freezing fruit and vegetable produce |
BRPI0906324-2A BRPI0906324A2 (pt) | 2008-04-10 | 2009-04-02 | Método para congelar produtos hortofrutícolas. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP200801021 | 2008-04-10 | ||
ES200801021A ES2328891B1 (es) | 2008-04-10 | 2008-04-10 | Metodo para la congelacion de productos hortofruticolas. |
ESP200801022 | 2008-04-10 | ||
ES200801022A ES2326510B1 (es) | 2008-04-10 | 2008-04-10 | Procedimiento para la congelacion de productos hortofruticolas. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009125041A1 true WO2009125041A1 (es) | 2009-10-15 |
Family
ID=41161575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2009/070088 WO2009125041A1 (es) | 2008-04-10 | 2009-04-02 | Procedimiento para la congelación de productos hortofrutícolas |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110027439A1 (es) |
EP (1) | EP2260715A4 (es) |
CN (1) | CN102014642A (es) |
BR (1) | BRPI0906324A2 (es) |
WO (1) | WO2009125041A1 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2308926B1 (es) * | 2007-05-22 | 2009-10-27 | Universitat Politecnica De Catalunya | Procedimiento para la produccion de alimentos congelados, particularmente vegetales o frutas. |
US9161105B2 (en) * | 2012-04-11 | 2015-10-13 | Hewlett-Packard Development Company, L.P. | Routing optical signals |
CN104839318A (zh) * | 2015-05-05 | 2015-08-19 | 暨南大学 | 一种液氮速冻结合冷冻贮存保鲜荔枝的方法 |
CN104886494A (zh) * | 2015-06-05 | 2015-09-09 | 贵州红赤水集团有限公司 | 速冻菜肴制品加工方法 |
CN104886231A (zh) * | 2015-06-05 | 2015-09-09 | 贵州红赤水集团有限公司 | 保鲜荔枝加工工艺 |
CN104957242A (zh) * | 2015-06-05 | 2015-10-07 | 贵州红赤水集团有限公司 | 保鲜竹笋加工工艺 |
CN105248614A (zh) * | 2015-10-09 | 2016-01-20 | 中国农业大学 | 一种鲜水果脱水冻藏保鲜方法 |
CN105901116A (zh) * | 2016-05-18 | 2016-08-31 | 丁志强 | 一种石榴快速冷冻长期保鲜方法 |
IT201700010868A1 (it) * | 2017-02-01 | 2018-08-01 | Maurizio Acampora | Metodo per il trattamento e la conservazione della carne di pesce |
US20190075836A1 (en) * | 2017-09-14 | 2019-03-14 | Premium Costa Rica Products LLC | System and method for the preservation of coconut products |
CN108041156A (zh) * | 2018-01-06 | 2018-05-18 | 宁波智慧角保鲜科技有限公司 | 一种杨梅微量脱水冷冻纯物理保鲜工艺方法 |
CN108719449B (zh) * | 2018-05-31 | 2021-07-20 | 华南理工大学 | 一种真空低温氮气快速均匀冷冻果蔬的方法和设备 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2703761A (en) * | 1954-02-08 | 1955-03-08 | Ventura Farms Frozen Foods Inc | Process for dehydrating and freezing pimientos and peppers |
CA1043160A (en) * | 1974-10-21 | 1978-11-28 | General Foods Corporation | Dehydro-frozen vegetable process and product |
EP0572745A1 (fr) | 1990-12-04 | 1993-12-08 | Alain Freyssin | Procédé pour la conservation par cryogénation de morceaux de melon frais et produit obtenu |
ES2057832T3 (es) * | 1990-08-07 | 1994-10-16 | Imit A C | Procedimiento para deshidratar tomates. |
US6004607A (en) | 1998-06-11 | 1999-12-21 | Krafts Foods, Inc. | Chilling of meat products |
US20040096559A1 (en) | 2002-11-18 | 2004-05-20 | Swanson Wade H | Method for production of frozen vegetables or fruits |
EP1525801A1 (en) | 2002-10-04 | 2005-04-27 | Unilever Plc | Process for freezing fruits |
FR2878412A1 (fr) | 2004-11-29 | 2006-06-02 | Bonduelle Sa Ets | Procede de traitement de produits, notamment alimentaires, tels que par exemple des legumes particulierement verts,en vue de leur conservation. |
WO2007013918A2 (en) | 2005-07-20 | 2007-02-01 | Sharon Thomas | Production of frozen sweet potatoes |
WO2007057888A2 (en) | 2005-11-16 | 2007-05-24 | Fresh Defrost Ltd. | Apparatus and techniques for freezing and thawing of agricultural produce |
ES2308926A1 (es) * | 2007-05-22 | 2008-12-01 | Universitat Politecnica De Catalunya | Procedimiento para la produccion de alimentos congelados, particularmente vegetales o frutas. |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB696049A (en) * | 1947-12-31 | 1953-08-19 | Eugene Joel Rivoche | Improvements in or relating to the preservation of foodstuffs |
JPS5840038A (ja) * | 1981-09-04 | 1983-03-08 | Iwatani & Co | 干椎葺の製造方法 |
IL111234A (en) * | 1994-10-11 | 1999-06-20 | Analyst Ltd | Method of preserving fresh fruit and vegetables |
US5501241A (en) * | 1994-10-27 | 1996-03-26 | Jacobson; Glenn R. | Vegetable aerating device |
JPH11346703A (ja) * | 1998-06-11 | 1999-12-21 | Yunimakku:Kk | さつま芋の乾燥方法並びにさつま芋の乾燥機 |
RU2287938C2 (ru) * | 2001-03-27 | 2006-11-27 | Трейд Десида, С.Л. | Замороженный картофельный продукт и способ его получения |
CN1331427C (zh) * | 2003-04-30 | 2007-08-15 | 量子高科(北京)研究院有限公司 | 一种蔬菜、水果和除矿物药以外的鲜品中药材的干燥品及其干燥工艺 |
-
2009
- 2009-04-02 CN CN2009801122592A patent/CN102014642A/zh active Pending
- 2009-04-02 US US12/934,007 patent/US20110027439A1/en not_active Abandoned
- 2009-04-02 BR BRPI0906324-2A patent/BRPI0906324A2/pt not_active IP Right Cessation
- 2009-04-02 EP EP09730046A patent/EP2260715A4/en not_active Ceased
- 2009-04-02 WO PCT/ES2009/070088 patent/WO2009125041A1/es active Application Filing
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2703761A (en) * | 1954-02-08 | 1955-03-08 | Ventura Farms Frozen Foods Inc | Process for dehydrating and freezing pimientos and peppers |
CA1043160A (en) * | 1974-10-21 | 1978-11-28 | General Foods Corporation | Dehydro-frozen vegetable process and product |
ES2057832T3 (es) * | 1990-08-07 | 1994-10-16 | Imit A C | Procedimiento para deshidratar tomates. |
EP0572745A1 (fr) | 1990-12-04 | 1993-12-08 | Alain Freyssin | Procédé pour la conservation par cryogénation de morceaux de melon frais et produit obtenu |
US6004607A (en) | 1998-06-11 | 1999-12-21 | Krafts Foods, Inc. | Chilling of meat products |
EP1525801A1 (en) | 2002-10-04 | 2005-04-27 | Unilever Plc | Process for freezing fruits |
US20040096559A1 (en) | 2002-11-18 | 2004-05-20 | Swanson Wade H | Method for production of frozen vegetables or fruits |
FR2878412A1 (fr) | 2004-11-29 | 2006-06-02 | Bonduelle Sa Ets | Procede de traitement de produits, notamment alimentaires, tels que par exemple des legumes particulierement verts,en vue de leur conservation. |
WO2007013918A2 (en) | 2005-07-20 | 2007-02-01 | Sharon Thomas | Production of frozen sweet potatoes |
WO2007057888A2 (en) | 2005-11-16 | 2007-05-24 | Fresh Defrost Ltd. | Apparatus and techniques for freezing and thawing of agricultural produce |
ES2308926A1 (es) * | 2007-05-22 | 2008-12-01 | Universitat Politecnica De Catalunya | Procedimiento para la produccion de alimentos congelados, particularmente vegetales o frutas. |
Non-Patent Citations (1)
Title |
---|
See also references of EP2260715A4 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0906324A2 (pt) | 2015-07-07 |
CN102014642A (zh) | 2011-04-13 |
US20110027439A1 (en) | 2011-02-03 |
EP2260715A4 (en) | 2012-05-02 |
EP2260715A1 (en) | 2010-12-15 |
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