WO2005016014A1 - Dispositif generateur d'anhydride sulfureux unidirectionnel pour la production et la conservation de fruits - Google Patents

Dispositif generateur d'anhydride sulfureux unidirectionnel pour la production et la conservation de fruits Download PDF

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Publication number
WO2005016014A1
WO2005016014A1 PCT/ES2003/000420 ES0300420W WO2005016014A1 WO 2005016014 A1 WO2005016014 A1 WO 2005016014A1 ES 0300420 W ES0300420 W ES 0300420W WO 2005016014 A1 WO2005016014 A1 WO 2005016014A1
Authority
WO
WIPO (PCT)
Prior art keywords
generating device
sulphurous anhydride
fruit
anhydride
sulphurous
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.)
Ceased
Application number
PCT/ES2003/000420
Other languages
English (en)
Spanish (es)
Inventor
Jesus Manuel MAS MENARGUÉS
Cristián Vladimir CORTES HERRERA
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU2003258740A priority Critical patent/AU2003258740A1/en
Priority to PCT/ES2003/000420 priority patent/WO2005016014A1/fr
Publication of WO2005016014A1 publication Critical patent/WO2005016014A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/70—Preservation of foods or foodstuffs, in general by treatment with chemicals
    • A23B2/704—Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/152—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases

Definitions

  • the present invention relates to a unidirectional sulfur dioxide anhydride generating device for protection and preservation of fruits.
  • the invention relates to packaging devices used to protect table grapes during transport and storage against the development of the fungus botri tis cinerea, which are made of waterproofed materials.
  • These devices known as sulphurous anhydride generators, are normally used by grape exporters and are installed at the time of packing inside the grape boxes destined for export markets, so the product must remain for long periods of time in sea, air or land transport containers and then in storage warehouses until the grapes are finally sold to the consumer.
  • the sulphurous anhydride generators allow the grapes to reach the consumer with a fresh appearance and in appropriate consumption conditions.
  • the sulphurous anhydride generators have been in use since the late 1960s.
  • SUBSTITUTE SHEET (RULE 26)
  • the sulphurous anhydride generators currently used are made up of two sheets of permeable material that contain sodium metabisulfite as the sulphurous anhydride generating substance.
  • these devices are basically manufactured according to the following methods: a) heat sealing: the sheets are joined by heat, creating alveoli or cells that contain sodium metabisulfite; and b) lamination: the sheets are bonded using an adhesive material in which the sodium metabisulfite is dispersed.
  • such a device is known as a laminate with two cover layers based on materials permeable to water vapor and sulfur dioxide between which a substrate is arranged as a generator of sulfur dioxide, so that moisture can penetrate through both layers to the substrate generating the said sulfur dioxide that is emitted to the outside through both layers of cover.
  • the substrate can be provided as an adhesive substance in which the sulfur dioxide generating product is dispersed.
  • SUBSTITUTE SHEET (RULE 26) substrate on both sides, as indicated by the incoming arrows, as well as the transfer abroad, also on both sides, as indicated by the outgoing arrows, of sulphurous anhydride that is produced by the chemical reaction of water with the substrate material. As indicated, the transfer of water vapor and sulphurous anhydride is carried out on both sides.
  • one of said sheets (210, 310, 410), intended to occupy the opposite side to the fruit to be preserved, is impervious to water vapor and sulfur dioxide by using materials that prevent the transfer of water vapor and sulphurous anhydride gas outwards; and the other sheet (211, 311, 411), the one designed to face the fruit to be preserved, is semipermeable to both water vapor and sulfur dioxide.
  • the impermeable nature of one of the generator blades proposed by this invention prevents the excessive generation of sulfur dioxide gas by increasing its efficiency, allowing a decrease in the amount of the active ingredient or alternatively a substantial increase in generation time.
  • the impermeable sheet is constituted from a metallized synthetic plastic material. According to a further aspect of the invention, it is preferred that the impermeable sheet be constituted from
  • the impermeable sheet is constituted from metallized aluminum polyester or metallized copper polyester.
  • said waterproof sheet may be made from polyethylene laminated with aluminum foil.
  • the adhesive used to adhere both sheets and in which the sodium metabisulfite is dispersed is a vinyl acryl alcohol polymer.
  • Figure 1 is a scheme showing the transfer of water vapor and sulphurous anhydride gas in generating devices with both permeable faces of the prior art.
  • Figure 2 schematically illustrates the transfer of water vapor and sulphurous anhydride in a generating device with an impermeable face according to the invention.
  • Figure 3 is a partially sectioned schematic view of a sulphurous anhydride generating device according to the thermo-sealed type invention.
  • Figure 4 is a partially sectioned schematic view of a sulphurous anhydride generating device, according to the invention of adhesive laminated type.
  • Figure 5 also shows schematically the placement of a generating device according to Figure 3 in the grape boxes.
  • Figure 6 illustrates analogously to Figure 5, a scheme showing the phenomenon of condensation and the humidity generated inside the container bag, adjacent to the upper face of a generating device according to Figure 4.
  • a generator according to the prior art designated in general with reference 11, which is constituted by permeable sheets 110, 111, is shown which enters a substrate 12 containing a sulphurous anhydride generating substance , such as sodium metabisulfite.
  • a sulphurous anhydride generating substance such as sodium metabisulfite.
  • a generating device contains sodium metasulfite crystals 32 between two heat-sealed sheets 310, 311 that make up the alveoli or cells by means of areas or bands of heat sealing 33.
  • the sheet 310 is impermeable to water vapor and sulfur dioxide, while the sheet 311 is impermeable to both gases.
  • FIG 5 a scheme of placement of the sulphurous anhydride generators of heat-sealed sheets in the grape boxes is shown.
  • the generating device 31 is placed in the upper part of the box in order to protect the fruit against fungal development, particularly the fungal botrytic fungus;
  • both the grape and the generator are wrapped by a plastic bag, which allows the formation of a highly humid environment for the operation of the generator.
  • the box has been assigned with the number 4, usually made of wood or cardboard; with the number 5 to the plastic bag container, high or low density; and with the number 6 the grape clusters.
  • the sulphurous anhydride generators laminated with adhesive 41, as shown in Figure 4, consist of sheets 410, 411 adhered together by an adhesive 42 in which the sodium metabisulfite crystals are dispersed.
  • sheet 410 is impermeable to water vapor and sulfur dioxide, sheet 411 being semipermeable to both gases.
  • An additional advantage of the unidirectional generator is the elimination of the risk of overexposure to sulfur dioxide gas. This overexposure is due to the humidity generated by the condensed water on the surface of the plastic bag very close to the upper face of the generator, opposite to the fruit.
  • the effect is a generator that is stable to dampening and does not raise the rate of generation of sulfur dioxide gas.
  • the waterproof sheets suggested by this invention can be used in any of the modalities set forth for the manufacture of generators, i.e. thermo-sealed.
  • SUBSTITUTE SHEET (RULE 26) leaving cells or cells between the sheets, or by laminating with adhesives.
  • the waterproof sheet materials of the generators proposed by this invention are of the "metallized plastic" type including, but not limited to, the following: aluminum or copper metallized polypropylene, aluminum or copper metallized polyester, aluminum foil laminated polyethylene.
  • the material recommended as an adhesive for the implementation of this invention are polymers of vinyl-acrylic alcohol.
  • most sulfur dioxide anhydride generators are manufactured with sheets of paper / polyethylene.
  • some generators are manufactured with wax-laminated polyester sheets or polypropylene and paper / polyethylene sheets laminated with polyvinyl-acrylic alcohol.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wrappers (AREA)
  • Packages (AREA)

Abstract

L'invention concerne un générateur d'anhydride sulfureux pour la protection du raisin de table pendant le transport et le stockage. Le dispositif générateur (21, 31, 41) présente une première face destinée à être placée du côté opposé au fruit à conserver, réalisée avec une feuille imperméable (210, 310, 410) à la vapeur d'eau et à l'anhydride sulfureux, l'autre face destinée à être tournée vers le fruit à conserver présentant une feuille (211, 311, 411) semi-perméable auxdits gaz. Sont utilisées comme feuilles imperméables des feuilles de matière plastique synthétisée métallisées telles que : du polypropylène métallisé (aluminium ou cuivre), ou dans un autre mode de réalisation du polyester métallisé (aluminium ou cuivre), ou dans un autre mode de réalisation du polyéthylène stratifié avec du papier aluminium ; du métabisulfite de sodium étant utilisé comme ingrédient actif pour la production d'anhydride sulfureux ; des polymères d'alcool vinyle-acrylique étant utilisés comme matière adhésive. Le générateur est dosé avec le principe actif pour générer de l'anhydride sulfureux afin de satisfaire les conditions de temps de transport et de stockage, il est fabriqué en tailles adaptées aux caisses utilisées dans l'emballage de raisins de table.
PCT/ES2003/000420 2003-08-12 2003-08-12 Dispositif generateur d'anhydride sulfureux unidirectionnel pour la production et la conservation de fruits Ceased WO2005016014A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003258740A AU2003258740A1 (en) 2003-08-12 2003-08-12 Unidirectional sulphurous anhydride-generating device for the protection and preservation of fruit
PCT/ES2003/000420 WO2005016014A1 (fr) 2003-08-12 2003-08-12 Dispositif generateur d'anhydride sulfureux unidirectionnel pour la production et la conservation de fruits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2003/000420 WO2005016014A1 (fr) 2003-08-12 2003-08-12 Dispositif generateur d'anhydride sulfureux unidirectionnel pour la production et la conservation de fruits

Publications (1)

Publication Number Publication Date
WO2005016014A1 true WO2005016014A1 (fr) 2005-02-24

Family

ID=34178753

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2003/000420 Ceased WO2005016014A1 (fr) 2003-08-12 2003-08-12 Dispositif generateur d'anhydride sulfureux unidirectionnel pour la production et la conservation de fruits

Country Status (2)

Country Link
AU (1) AU2003258740A1 (fr)
WO (1) WO2005016014A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018122426A1 (fr) * 2016-12-30 2018-07-05 Mas Menargues Jesus Manuel Système d'emballage biocide

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041209A (en) * 1975-01-27 1977-08-09 Scholle Corporation Multiple wall packaging material containing sulfite compound
ES8400961A1 (es) * 1982-11-15 1983-12-16 Gross Peter R Sistema para el tratamiento y preservacion de frutas envasadas.
ES8504440A1 (es) * 1982-12-15 1985-05-01 Benson George Un metodo para variar y controlar selectivamente la tasa de emanacion combinada de un gas preservador desde una pluralidad de bolsas.
ES2068852T3 (es) * 1988-07-04 1995-05-01 Dennis Charles Clemes Generador de dioxido de azufre.
WO2002091861A1 (fr) * 2001-05-17 2002-11-21 Quimetal Industrial S.A. Generateur de dioxyde de soufre pour la conservation de fruits frais et procede de preparation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041209A (en) * 1975-01-27 1977-08-09 Scholle Corporation Multiple wall packaging material containing sulfite compound
ES8400961A1 (es) * 1982-11-15 1983-12-16 Gross Peter R Sistema para el tratamiento y preservacion de frutas envasadas.
ES8504440A1 (es) * 1982-12-15 1985-05-01 Benson George Un metodo para variar y controlar selectivamente la tasa de emanacion combinada de un gas preservador desde una pluralidad de bolsas.
ES2068852T3 (es) * 1988-07-04 1995-05-01 Dennis Charles Clemes Generador de dioxido de azufre.
WO2002091861A1 (fr) * 2001-05-17 2002-11-21 Quimetal Industrial S.A. Generateur de dioxyde de soufre pour la conservation de fruits frais et procede de preparation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018122426A1 (fr) * 2016-12-30 2018-07-05 Mas Menargues Jesus Manuel Système d'emballage biocide

Also Published As

Publication number Publication date
AU2003258740A1 (en) 2005-03-07

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