WO2000018246A1 - Solution utile pour la decontamination bacterienne de denrees alimentaires et son procede d'utilisation - Google Patents
Solution utile pour la decontamination bacterienne de denrees alimentaires et son procede d'utilisation Download PDFInfo
- Publication number
- WO2000018246A1 WO2000018246A1 PCT/FR1999/002226 FR9902226W WO0018246A1 WO 2000018246 A1 WO2000018246 A1 WO 2000018246A1 FR 9902226 W FR9902226 W FR 9902226W WO 0018246 A1 WO0018246 A1 WO 0018246A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- equal
- ions
- concentration
- solution
- advantageously
- 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
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/02—Preserving by means of inorganic salts
-
- 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
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/02—Preserving by means of inorganic salts
- A23B4/027—Preserving by means of inorganic salts by inorganic salts other than kitchen salt, or mixtures thereof with organic compounds, e.g. biochemical compounds
-
- 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
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/14—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
- A23B4/18—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of liquids or solids
- A23B4/24—Inorganic compounds
-
- 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
- A23B5/00—Preservation of eggs or egg products
- A23B5/08—Preserving with chemicals
- A23B5/12—Preserving with chemicals in the form of liquids or solids
- A23B5/18—Inorganic compounds
-
- 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
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
- A23B7/157—Inorganic compounds
Definitions
- the present invention relates to aqueous solutions useful for the bacterial decontamination of foodstuffs. It relates more particularly to sparingly concentrated solutions containing both a basic compound and a tribasic phosphate.
- Bacterial contamination of food is an issue of growing concern to authorities and food distribution companies. Indeed, bacterial contamination causes food spoilage and can cause serious poisoning in the end consumer; either that this poisoning is a direct poisoning when the food is eaten raw without destruction of the microbial flora, or that this food is contaminated by toxins released by the bacteria, during their life or on the occasion of their death.
- the problem is complex because it is necessary, on the one hand, to decontaminate the surface of the food and, on the other hand, to avoid subsequent recontamination, either during treatment or during rinsing. subsequent or previous.
- bovines such as cattle (for example buffalo, urus, bison), antelopes, sheep, goats (including game such as deer, chamois, fallow deer) , elk, moose, isards, deer), swine (for example, pigs, wild boars, peccaries), lagomorphs (such as rabbits, hares, agoutis.) as well as poultry carcasses among which we can cite all poultry wild and / or farmed from the smallest (for example couroucous, wimps) to ratites (for example ostriches), notably passing by passerines (for example thrushes), gallinaceous (for example, hens, quails, guinea fowl, partridge, turkeys, grouse) and anatidae (e.g. ducks, geese, teals).
- bovines such as cattle (for example buffalo, urus, bison), antelopes, sheep,
- the treatment can also apply to reptiles and fish.
- Carcasses can be treated before, but advantageously after skinning. In the case of birds, it is desirable that it be done after plucking.
- One of the most annoying problems in the treatment of animal carcasses is that these carcasses often have to be washed with high amounts of water and that this water is often the vector of a transfer of contamination from a particular carcass. up to all the carcasses.
- One of the solutions recommended to date is the use of
- one of the aims of the present invention is to provide a technique which is capable of preventing the water for washing and rinsing animal carcasses without this implying the use at a content greater than 500 PPM of chlorine content of preferably 200 PPM and more preferably 100 PPM.
- Another object of the present invention is to provide a process which makes it possible to obtain decontamination of washing and rinsing waters using waters having little mineral matter, preferably at most 2% by mass.
- a food treatment process which comprises a step of bringing said food into contact with a solution having an OH concentration "of between 0.02 and 0 , 2 N (equivalent per liter) and by the fact that a tribasic salt of orthophosphoric acid is added thereto so that the ratio between the initial concentration of OH ions " and the concentration of orthophosphates expressed in equivalent is at least equal to 1/4, advantageously to 1/3, preferably to 1/2, more preferably to 1.
- the content of orthophosphate species is at least equal to 0.01 M and at most equal to 0.1 M.
- the initial content of OH "ions is advantageously at least equal to 0.05 M.
- initial concentration of OH- ions is meant the concentration of OH- ions in the solution without tribasic salt of orthophosphoric acid.
- the phosphate ion content of the solution is at most equal to 0.1 N and this to prevent the solution from being too loaded with mineral elements.
- OH- ions are advantageously in the form of alkali hydroxides , ammonium hydroxides, or quaternary phosphonium, or in the form of hydroxide (s) of cation (s) masked by complexation (essentially neutral complexing agents which are complexing or sequestering, such as, for example, crown ethers ).
- the cations associated with both the hydroxide ion and the PO 4 3 "ion are alkalis or mixtures of various alkalis.
- Lithium is not preferred, far from it, for this application, the most effective being potassium, rubidium and cesium, a good compromise lies in the use of sodium ion or potassium ion rubidium and cesium, although giving excellent results, are much too expensive for this type of application.
- OH ions can be introduced in any way known to the skilled person, either in the form of very weak acid salts, or by reaction of precipitable compounds (for example a successive mixture of trisodium phosphate associated with a calcium hydroxide thus precipitating the phosphate and leading to the formation of soda in situ).
- hydroxide ions in the form of alkali hydroxide (s) but also alkali or a mixture of alkaline phosphates.
- the solution targeted by the present invention is particularly well suited for rinsing and can for example be used before or after another decontamination treatment of the foodstuffs themselves. It can be used more specifically to avoid contamination after a contamination step, for example in the system designated by the English term "tank chiller", that is to say in a cooling system in a water tank at high speed.
- the solution according to the present invention can also be used for decontamination, it suffices to adapt the contact time.
- an extension of the duration of contact may be troublesome and may lead to weight gain by incorporating water into the foodstuffs treated by the process, weight gain which is regulated in many countries.
- the decontaminating system has the advantage of being compatible with many other decontaminating systems, whether organic or mineral.
- oxidants among these we can certainly mention permanganates and dichromates but the latter are colored and can under certain conditions lead to precipitates, which can cause discomfort in the process. Also oxidants containing ozone and / or hydrogen peroxide, even hypochlorites are preferred.
- the oxidizing power of the solution is at least equal to 0.001 N, advantageously 0.002 N, preferably 0.005 N (electron equivalent per liter).
- concentration of these agents which are not always of good reputation, should be limited as much as possible. Also one of the best agents would be ozone, were it not cost. Otherwise, if the solutions according to the invention are potentiated by oxidants, it is advised to limit the oxidizing power to 0.05 N, advantageously to 0.02 N, preferably to 0.01 N.
- the hypochlorite effect is reinforced by the system according to the present invention, which makes it possible to use low concentrations, in general concentrations less than 500 PPM (by mass of chlorine Cl 2 relative to the mass of the treating solution), more generally less than 200 PPM, it is even possible to observe an effect between the two systems at concentrations of chlorine content less than 100 PPM. It is also possible to add other elements such as carbonates to the solution provided that this does not alter the initial basicity.
- the main use of this solution is contact with the foodstuff to be treated, this contacting being most often carried out by soaking, spraying or misting. It is desirable that the duration of the soaking, spraying or misting is at most equal to hours, advantageously at most equal to 1/5, preferably 1/10. It is at least 1 second, advantageously 10 seconds, preferably 20 seconds. Contact may continue partially after soaking, spraying or misting, if there is no rinsing.
- This contacting can be carried out at a temperature at least equal to 0 ° C., advantageously at approximately 10 ° C., preferably at 20 ° C.
- a temperature at least equal to 0 ° C., advantageously at approximately 10 ° C., preferably at 20 ° C.
- approximately is used to highlight the fact that the values which follow it correspond to mathematical rounding and in particular that when the digit (s) furthest to the right of a number are zeros, these zeros are position zeros and not significant digits, unless of course specified otherwise.
- this contacting can be carried out at a temperature equal to 80 ° C., advantageously at 70 ° C.
- the pressure has very little influence on the process according to the present invention at atmospheric pressure or at a neighboring pressure and this at any altitude.
- the foodstuff to be treated is advantageously an animalstuff, whether it be carcasses or carcasses after cutting, but the results can be obtained on other products such as eggs.
- This decontamination system also works very well for compounds that are intended for freezing.
- TSP TSP and NaOH were prepared beforehand, so that the concentrations obtained in these mixtures are twice the concentrations tested in the final. So for example, the TSP had a concentration of 0.8%.
- 0.5 ml of bacteria (diluted 1/500) was added to 0.5 ml of the various mixtures, and left in contact for 30 s. 100 ⁇ l were taken, then diluted in series (reason 10) in sterile distilled water containing NaCl (9 g / l). 100 ⁇ l of each dilution were spread on a Petri dish (BHI + agar-agar 1.5%). For some samples, 100 ⁇ l were directly spread on a dish without being diluted. The dishes were incubated for 18 h at 37 ° C. The colonies present on the dishes were counted and the number of CFU (colony forming unit) / ml deduced.
- CFU colony forming unit
- anhydrous TSP does not induce bactericidal growth during the time of the experiment (30 s), whether on a culture of S. typhimurium IPL or of E. coli NIHJ-JC2.
- the exposure of these cultures to NaOH, alone, (3.1 to 3.5 g / l) does not induce bactericidal either.
- soda induces a decrease of CFU / ml by a factor of 4 to 5 on S. typhimurium and E. coli, respectively.
- TSP sodium hydroxide
- sodium hydroxide 3.2 g / l
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU56301/99A AU752652B2 (en) | 1998-09-25 | 1999-09-20 | Solution useful for bacterial decontamination of foodstuffs and method for using same |
DE69907487T DE69907487D1 (de) | 1998-09-25 | 1999-09-20 | Bacterieldekontaminierungslösung für lebensmittel und verwendungsverfahren |
EP99943003A EP1115294B1 (fr) | 1998-09-25 | 1999-09-20 | Solution utile pour la decontamination bacterienne de denrees alimentaires et son procede d'utilisation |
BR9913940-5A BR9913940A (pt) | 1998-09-25 | 1999-09-20 | Processo de tratamento de alimento, e, utilização de uma solução |
AT99943003T ATE238677T1 (de) | 1998-09-25 | 1999-09-20 | Bacterieldekontaminierungslösung für lebensmittel und verwendungsverfahren |
CA002344240A CA2344240A1 (fr) | 1998-09-25 | 1999-09-20 | Solution utile pour la decontamination bacterienne de denrees alimentaires et son procede d'utilisation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9812025A FR2783675B1 (fr) | 1998-09-25 | 1998-09-25 | Solution utile pour la deconcentration bacterienne de denrees alimentaires et son procede d'utilisation |
FR98/12025 | 1998-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000018246A1 true WO2000018246A1 (fr) | 2000-04-06 |
Family
ID=9530857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/002226 WO2000018246A1 (fr) | 1998-09-25 | 1999-09-20 | Solution utile pour la decontamination bacterienne de denrees alimentaires et son procede d'utilisation |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1115294B1 (fr) |
AT (1) | ATE238677T1 (fr) |
AU (1) | AU752652B2 (fr) |
BR (1) | BR9913940A (fr) |
CA (1) | CA2344240A1 (fr) |
DE (1) | DE69907487D1 (fr) |
FR (1) | FR2783675B1 (fr) |
WO (1) | WO2000018246A1 (fr) |
ZA (1) | ZA200101854B (fr) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB935413A (en) * | 1961-03-13 | 1963-08-28 | Albright & Wilson Mfg Ltd | Preservation of poultry |
US5069922A (en) * | 1989-02-09 | 1991-12-03 | Eugene Brotsky | Process for treating poultry carcasses to control salmonellae growth |
US5143739A (en) * | 1989-02-09 | 1992-09-01 | Rhone-Poulenc Inc. | Process for treating poultry carcasses to control salmonellae growth |
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 |
US5354568A (en) * | 1991-06-07 | 1994-10-11 | Rhone-Poulenc Specialty Chemicals Co. | Process for treating red meat to control bacterial contamination and/or growth |
EP0659346A1 (fr) * | 1993-12-22 | 1995-06-28 | Rhone-Poulenc Specialty Chemicals Co. | Procédé de traitement des carcasses de volailles pour en augmenter la durée de conservation et maitriser le developpement des salmonella |
US5512309A (en) * | 1989-02-09 | 1996-04-30 | Rhone-Poulenc Inc. | Process for treating poultry carcasses to increase shelf-life |
-
1998
- 1998-09-25 FR FR9812025A patent/FR2783675B1/fr not_active Expired - Fee Related
-
1999
- 1999-09-20 BR BR9913940-5A patent/BR9913940A/pt not_active IP Right Cessation
- 1999-09-20 AU AU56301/99A patent/AU752652B2/en not_active Ceased
- 1999-09-20 EP EP99943003A patent/EP1115294B1/fr not_active Revoked
- 1999-09-20 WO PCT/FR1999/002226 patent/WO2000018246A1/fr not_active Application Discontinuation
- 1999-09-20 CA CA002344240A patent/CA2344240A1/fr not_active Abandoned
- 1999-09-20 DE DE69907487T patent/DE69907487D1/de not_active Expired - Lifetime
- 1999-09-20 AT AT99943003T patent/ATE238677T1/de not_active IP Right Cessation
-
2001
- 2001-03-06 ZA ZA200101854A patent/ZA200101854B/en unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB935413A (en) * | 1961-03-13 | 1963-08-28 | Albright & Wilson Mfg Ltd | Preservation of poultry |
US5069922A (en) * | 1989-02-09 | 1991-12-03 | Eugene Brotsky | Process for treating poultry carcasses to control salmonellae growth |
US5143739A (en) * | 1989-02-09 | 1992-09-01 | Rhone-Poulenc Inc. | Process for treating poultry carcasses to control salmonellae growth |
US5283073A (en) * | 1989-02-09 | 1994-02-01 | Rhone-Poulenc Specialty Chemicals Co. | Process for treating poultry carcasses to control bacterial contamination and/or growth |
US5512309A (en) * | 1989-02-09 | 1996-04-30 | Rhone-Poulenc Inc. | Process for treating poultry carcasses to increase shelf-life |
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 |
US5354568A (en) * | 1991-06-07 | 1994-10-11 | Rhone-Poulenc Specialty Chemicals Co. | Process for treating red meat to control bacterial contamination and/or growth |
EP0659346A1 (fr) * | 1993-12-22 | 1995-06-28 | Rhone-Poulenc Specialty Chemicals Co. | Procédé de traitement des carcasses de volailles pour en augmenter la durée de conservation et maitriser le developpement des salmonella |
Also Published As
Publication number | Publication date |
---|---|
ATE238677T1 (de) | 2003-05-15 |
EP1115294B1 (fr) | 2003-05-02 |
FR2783675B1 (fr) | 2001-02-09 |
AU5630199A (en) | 2000-04-17 |
AU752652B2 (en) | 2002-09-26 |
DE69907487D1 (de) | 2003-06-05 |
CA2344240A1 (fr) | 2000-04-06 |
FR2783675A1 (fr) | 2000-03-31 |
ZA200101854B (en) | 2001-09-13 |
EP1115294A1 (fr) | 2001-07-18 |
BR9913940A (pt) | 2001-06-12 |
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