CA2419487A1 - A method of preserving fish - Google Patents

A method of preserving fish Download PDF

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Publication number
CA2419487A1
CA2419487A1 CA002419487A CA2419487A CA2419487A1 CA 2419487 A1 CA2419487 A1 CA 2419487A1 CA 002419487 A CA002419487 A CA 002419487A CA 2419487 A CA2419487 A CA 2419487A CA 2419487 A1 CA2419487 A1 CA 2419487A1
Authority
CA
Canada
Prior art keywords
fish
dip
acid
vitamin
bath
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.)
Abandoned
Application number
CA002419487A
Other languages
French (fr)
Inventor
Ronald N. Goodman
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.)
OCEANPRO INDUSTRIES Ltd
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
Publication of CA2419487A1 publication Critical patent/CA2419487A1/en
Abandoned legal-status Critical Current

Links

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
    • A23B4/00General methods for preserving meat, sausages, fish or fish products
    • A23B4/14Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
    • A23B4/18Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of liquids or solids
    • A23B4/20Organic compounds; Microorganisms; Enzymes
    • 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
    • A23B4/00General methods for preserving meat, sausages, fish or fish products
    • A23B4/02Preserving by means of inorganic salts
    • A23B4/027Preserving by means of inorganic salts by inorganic salts other than kitchen salt, or mixtures thereof with organic compounds, e.g. biochemical compounds
    • 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
    • A23B4/00General methods for preserving meat, sausages, fish or fish products
    • A23B4/14Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
    • A23B4/16Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • 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
    • A23B4/00General methods for preserving meat, sausages, fish or fish products
    • A23B4/14Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
    • A23B4/18Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of liquids or solids
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L17/00Food-from-the-sea products; Fish products; Fish meal; Fish-egg substitutes; Preparation or treatment thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Inorganic Chemistry (AREA)
  • Microbiology (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Abstract

The present invention is a dip for preserving fish. It includes the following ingredients: lactic acid, sodium phosphate, cultured dextrose, vitamin C, vitamin E, carnosic acid, rosamarinic acid, citric acid and honey and salt.
The dip may be provided in a liquid, for example, water, and used as a bath.

Description

A METHOD OF PRESERVTNG FISH
BACKGROUND AND SUMMARY OF THE INVENTION
The present invention is directed to preserving or extending the shelf life of fish and more specifically, to a wash and packaging of fish to extend its shelf life.
Fish are generally processed as follows.
First, the exterior of the fish is washed by water under pressure. Then the fish is filleted and dipped in a bath. The fish may be packaged in a modified atmosphere packaging which generally includes mixtures of gases.
The bath generally includes water with different ingredients for extending the shelf life of the fish. These have included one of 20 lactic acid, a combination of sodium phosphate and salt, and Duralox, available from Kalse (a combination of Vitamin C, Vitamin E, citric acid and rosemary extract( carnosic and rosamarinic acids)). The gases generally include some combination of nitrogen, oxygen and carbon dioxide.
Depending upon the ingredients used in the wash, the packaged fish generally has a shelf life of up to about eight days. Some, depending upon the cleanliness of the processing, have experienced 10-14 day shelf life. The present invention is directed to extending the shelf life between 14-18 days. Although the shelf life is longer than 14-18 days with respect to health concerns, the fish may change its look and feel and thus, be commercially unacceptable.
The present invention~is a dip for preserving fish. It includes the following ingredients: lactic acid, sodium phosphate, cultured dextrose, vitamin C, vitamin E, carnosic acid, rosamarinic acid, citric acid and honey and salt. The dip may be provided in a liquid, for example, water, and used as a bath. The filleted fish is dipped in the bath.
The fish may be precleaned by an exterior wash of water under pressure and/or a quick preliminary dip in the wash of activated chlorined oxide. The wash may also include flavorings, for example, lemon extract or colorants, for example, canthaxantin. The fillet is dipped in the bath for a sufficient amount of time to preserve the fish for at least 14 days without packaging. To further extend the life of the fish, it may be packaged in an atmosphere having a combination of nitrogen, oxygen and carbon dioxide.
Other objects, aspects and novel features of the present invention~will become apparent from the following detailed description of the invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The present invention also begins the process with an exterior wash of water under pressure. The fish is filleted and then dipped in a bath. A quick preliminary dip in a wash of 30-50ppm of activated chlorine dioxide may be performed. The bath extends the shelf life even without the packaging. For an extended shelf life, the dipped fish is then stored in a modified atmosphere packaging having a mixture of nitrogen, oxygen and carbon dioxide. The bath includes the following ingredients in water for all fish:
0-20 lactic acid 5-10% sodium phosphate 5-10% cultured dextrose 5-10o combination of Vitamin C, Vitamin E, citric acid, carnosic acid and rosamarinic acid 5o dark honey 1 % o salt .250 lemon extract For salmon, 4-8 parts per million of Canthaxantin are added. This adds a pink color to the salmon and is not used with other fish. Other ingredients may be added to the wash for flavor or coloring.
The process is carried out by keeping the fish at 38°F or below during the total process. The gassed atmosphere includes at least 40% carbon dioxide and the other 60o is a mixture of oxygen and nitrogen. Preferably the atmosphere would be 60o carbon dioxide, 200 oxygen and 20% nitrogen.
The sodium phosphate, the Duralox and dark honey all acts as antioxidants. The ingredients in Duralox are antioxidants in two modes. The amount of Vitamin C in Duralox may be supplemented to increase from 40 ppm to 400 ppm. The sodium phosphate is also an antibacterial and helps hold the water and the components of the solution. The goal is for the fish to hold 20 of the solution.
The cultured dextrose is preferably Microgard 200, available from Rhodia, and produces bactriocin, proprionic acid or proprionates. This inhibits fungus, mold and bacteria. The lactic acid helps the proprionic acid at a lower PH. Lactic acid also inhibits other bacteria from forming, specifically bacteria that produces lactic acid since it is already present.
The ingredients for the bath can also be used without packaging to extend the shelf life of the fish in a display case versus that of a prepackaged environment. With the extended shelf life, the fish can be provided in combination with other.food as a prepackaged meal.
Although specifically commercially available, cultured dextrose and Duralox have been mentioned, the equivalence may be substituted in the appropriate proportions. The use of as many natural ingredients such as honey as an anti-oxidant is preferred. Light honey may be used, but dark honey is more effective.
Although some of the ingredients have been used before in the bath treatment of fish, this specific combination of ingredients have not been brought together before to produce the synergistic effect of substantially increasing shelf life. The results produced are considered unexpected.

Claims (11)

What is claimed:
1. A dip f or preserving fish comprising:
lactic acid;
sodium phosphate;
cultured dextrose;
Vitamin C;
Vitamin E;
carnosic acid;
rosamarinic acid;
citric acid;
honey; and salt.
2. The dip according to Claim 1, wherein the proportions of the ingredients in a liquid are 0-20 lactic acid;
5-10% sodium phosphate;
5-10o cultured dextrose;
5-10% the combination of Vitamin C, Vitamin E, citric acid, carnosic acid and rosamarinic acid;
5% dark honey; and 1y % salt.
3. The dip according to Claim 1,including lemon extract.
4. The dip according to Claim 1,including Canthaxantin
5. The dip according to Claim 1, wherein Vitamin C is in the range of 400 ppm.
6. A process for preserving fish comprising:
dipping the fish in a bath including the dip of Claim 1.
7. The process according to claim 6, including pre-washing the fish with water under pressure.
8. The process according to claim 6, including pre-washing the fish in a bath having 30-50 ppm of activated chlorine dioxide.
9. The process according to claim 6,including packaging the fish after dipping in an atmosphere of nitrogen, oxygen and carbon dioxide.
10. The process according to claim ,wherein the atmosphere is 20-40% nitrogen, 20% oxygen and 40-60% carbon dioxide.
11. A process for preserving fish comprising:
dipping the fish in a bath, which includes a dip, for a sufficient time to preserve the fish for at least 14 days without packaging.
CA002419487A 2000-08-29 2001-08-28 A method of preserving fish Abandoned CA2419487A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22844900P 2000-08-29 2000-08-29
US60/228,449 2000-08-29
PCT/US2001/026698 WO2002017729A1 (en) 2000-08-29 2001-08-28 A method of preserving fish

Publications (1)

Publication Number Publication Date
CA2419487A1 true CA2419487A1 (en) 2002-03-07

Family

ID=22857216

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002419487A Abandoned CA2419487A1 (en) 2000-08-29 2001-08-28 A method of preserving fish

Country Status (3)

Country Link
AU (1) AU2001286816A1 (en)
CA (1) CA2419487A1 (en)
WO (1) WO2002017729A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2020351125B2 (en) * 2019-09-20 2023-05-25 Kalamazoo Holdings, Inc. Synergistic antimicrobial effects among rosemary extract, cultured dextrose and buffered vinegar

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832972A (en) * 1988-04-06 1989-05-23 Cornell Research Foundation, Inc. Process for preservation of fish
US5196221A (en) * 1990-02-08 1993-03-23 Rutgers University Process for inhibiting the growth of bacteria on seafood
US5262186A (en) * 1991-06-07 1993-11-16 Rhone Poulenc Specialty Chemicals Co. Process for treating fish and shellfish to control bacterial contamination and/or growth

Also Published As

Publication number Publication date
AU2001286816A1 (en) 2002-03-13
WO2002017729A1 (en) 2002-03-07

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