CA2570260A1 - Process for preserving fresh produce and coating composition therefor - Google Patents

Process for preserving fresh produce and coating composition therefor Download PDF

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Publication number
CA2570260A1
CA2570260A1 CA002570260A CA2570260A CA2570260A1 CA 2570260 A1 CA2570260 A1 CA 2570260A1 CA 002570260 A CA002570260 A CA 002570260A CA 2570260 A CA2570260 A CA 2570260A CA 2570260 A1 CA2570260 A1 CA 2570260A1
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CA
Canada
Prior art keywords
percent
weight
acid
coating composition
group
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Granted
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CA002570260A
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French (fr)
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CA2570260C (en
Inventor
Robert J. Petcavich
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BASF SE
BASF Corp
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Individual
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Publication of CA2570260A1 publication Critical patent/CA2570260A1/en
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Publication of CA2570260C publication Critical patent/CA2570260C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/16Coating with a protective layer; Compositions or apparatus therefor

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Paints Or Removers (AREA)
  • General Preparation And Processing Of Foods (AREA)

Abstract

The present invention provides compositions and methods for extending the shelf-life of fresh produce. The method comprises coating the exterior surface of the produce with a coating composition comprising an aqueous solution of from about to about 3 percent by weight of a chitosan or modified chitosan, from about 0.1 to percent by weight of an organic acid, from about 0.02 to about 0.1 percent by weight of a surfactant, and optionally plants growth regulators, antimicrobials, plasticizers and antifoaming agents.

Claims (24)

1. A coating composition for fresh produce comprising an aqueous solution of from about 0.2 to about 3 percent by weight of chitosan or modified chitosan, from about 0.1 to 1.0 percent by weight of an organic acid, and from about 0.02 to 0.1 percent by weight of a surfactant.
2. The coating composition of claim 1, wherein the organic acid is selected from the group consisting of acetic acid, citric acid, lactic acid, malic acid, propionic acid and succinic acid.
3. The coating composition of claim 1, wherein the surfactant is selected from the group consisting of dioctylsodium sulfosuccinate and sodium lauryl sulfate.
4. The coating composition of claim 1 further comprising from about 0.05 to about 0.5 percent by weight of an antimicrobial agent.
5. The coating composition of claim 4, wherein the antimicrobial agent is selected from group consisting of methylparaben, ethylparaben, propylparaben, butylpa-raben, sodium propionate, calcium propionate, benzoic acid, sodium benzoate, potassium sorbate and sodium bisulfite.
6. The coating composition of claim 1 further comprising from about 0.01 to about 0.05 percent by weight of an antifoaming agent.
7. The coating composition of claim 6, wherein the antifoaming agent is selec from the group consisting of silicone or nonsilicone antifoaming agents.
8. The coating composition of claim 7, wherein the silicone antifoaming agent is polydimethylsiloxane.
9. The coating composition of claim 1 further comprising from about 0.005 to about 0.01 percent by weight of a plant growth regulator.
10. The coating composition of claim 9, wherein the plant growth regulator is se-lected from the group consisting of gibberellic acid, abscissic acid, auxin, cyto-kinins, polyamines, ethephon and jasmonate.
11. A coating composition for fresh produce comprising by weight from about to about 3 percent of chitosan, from about 0.1 to about 1.0 percent of acetic acid, from about 0.02 to about 0.1 percent of dioctyl sodium sulfosuccinate, from about 0.005 about 0.01 percent of gibberellic acid, from about 0.05 to about 0.5 percent of methylparaben and from about 0.01 to about 0.05 percent of polydimethylsi-loxane.
12. The coating composition of claim 11, wherein the composition comprises about 1 percent weight of chitosan, about 0.2 percent weight of acetic acid, about percent weight of dioctyl sodium sulfosuccinate, about 0.0075 percent weight of gibberel-lic acid, about 0.1 percent weight of methylparaben, and about 0.01 percent weight of polydimethylsiloxane.
13. A process for preserving fresh produce comprising the step of coating the exte-rior surface of the produce with the coating composition comprising an aqueo so-lution of from about 0.2 to about 3 percent by weight of chitosan or modified chi-tosan, from about 0.1 to 1.0 percent by weight of an organic acid, and from about 0.02 to 0.1 percent by weight of a surfactant.
14. The process of claim 13, wherein the organic acid is selected from the gro con-sisting of acetic acid, citric acid, lactic acid, malic acid, propionic acid and suc-cinic acid.
15. The process of claim 13, wherein the surfactant is selected from the group consisting of dioctyl sodium sulfosuccinate and sodium lauryl sulfate.
16. The process of claim 13, wherein the coating composition further comprises from about 0.005 to about 0.01 percent by weight of a plant growth regulator.
17. The process of claim 16, wherein the plant growth regulator is selected froh group consisting of gibberellic acid, abscissic acid, auxin, cytokinins, polyamines, ethephon and jasmonate.
18. The process of claim 13, wherein the coating composition further comprise:
from about 0.05 to about 0.5 percent by weight of an antimicrobial agent.
19. The process of claim 18, wherein the antimicrobial agent is selected from group consisting of methylparaben, ethylparaben, propylparaben, butylparaben, sodium propionate, calcium propionate, benzoic acid, sodium benzoate, potassium sor-bate and sodium bisulfite.
20. The process of claim 13, wherein the coating composition further comprise from about 0.01 to about 0.05 percent by weight of a antifoaming agent.
21. The process of claim 20, wherein the antifoaming agent is selected from thf group ponsisting of silicone or a nonsilicone antifoaming agents.
22. The process of claim 21, wherein the silicone antifoaming agent is polydimethyl-siloxane.
23. A process for preserving fresh produce comprising the step of coating the exte-rior surface of produce with a composition comprising by weight from about C
to about 3 percent of chitosan, from about 0.1 to about 1.0 percent of acetic acid, f about 0.02 to about 0.1 percent of dioctyl sodium sulfosuccinate, from about 0.005 about 0.01 percent of gibbereilic acid, from about 0.05 to about 0.5 percent of methylparaben and from about 0.01 to about 0.05 percent of polydimethylsi-loxane.
24. The process of claim 23, wherein the coating composition comprises about per-cent weight of chitosan, about 0.2 percent weight of acetic acid, about 0.06 per weight of dioctyl sodium sulfosuccinate, about 0.0075 percent weight of gibberel-lic acid, about 0.1 percent weight of methylparaben, and about 0.01 percent weight o: polydimethylsiloxane.
CA2570260A 2004-07-02 2004-07-02 Process for preserving fresh produce and coating composition therefor Expired - Fee Related CA2570260C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2004/007187 WO2006002671A1 (en) 2004-07-02 2004-07-02 Process for preserving fresh produce and coating composition therefor

Publications (2)

Publication Number Publication Date
CA2570260A1 true CA2570260A1 (en) 2006-01-12
CA2570260C CA2570260C (en) 2011-09-27

Family

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Family Applications (1)

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CA2570260A Expired - Fee Related CA2570260C (en) 2004-07-02 2004-07-02 Process for preserving fresh produce and coating composition therefor

Country Status (18)

Country Link
US (1) US20080026120A1 (en)
EP (1) EP1793684B1 (en)
JP (1) JP2008504041A (en)
CN (1) CN100534313C (en)
AT (1) ATE406102T1 (en)
BR (1) BRPI0418937A (en)
CA (1) CA2570260C (en)
CY (1) CY1109788T1 (en)
DE (1) DE602004016226D1 (en)
DK (1) DK1793684T3 (en)
EG (1) EG24694A (en)
ES (1) ES2309531T3 (en)
IL (1) IL179916A (en)
MX (1) MXPA06014986A (en)
NZ (1) NZ552913A (en)
PL (1) PL1793684T3 (en)
PT (1) PT1793684E (en)
WO (1) WO2006002671A1 (en)

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Also Published As

Publication number Publication date
EP1793684A1 (en) 2007-06-13
WO2006002671A1 (en) 2006-01-12
CN1984566A (en) 2007-06-20
NZ552913A (en) 2008-10-31
MXPA06014986A (en) 2007-09-14
JP2008504041A (en) 2008-02-14
CA2570260C (en) 2011-09-27
DK1793684T3 (en) 2008-12-08
IL179916A (en) 2010-12-30
CY1109788T1 (en) 2014-09-10
ES2309531T3 (en) 2008-12-16
BRPI0418937A (en) 2007-11-27
ATE406102T1 (en) 2008-09-15
PL1793684T3 (en) 2009-02-27
PT1793684E (en) 2008-11-11
US20080026120A1 (en) 2008-01-31
IL179916A0 (en) 2007-05-15
EG24694A (en) 2010-05-23
EP1793684B1 (en) 2008-08-27
CN100534313C (en) 2009-09-02
DE602004016226D1 (en) 2008-10-09

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