EP2753194A1 - Hydrolysats de protéines de poisson pour leur utilisation dans la prévention et/ou le traitement de troubles métaboliques tels qu'un syndrome métabolique, en particulier associé à l'obésité. - Google Patents
Hydrolysats de protéines de poisson pour leur utilisation dans la prévention et/ou le traitement de troubles métaboliques tels qu'un syndrome métabolique, en particulier associé à l'obésité.Info
- Publication number
- EP2753194A1 EP2753194A1 EP12756176.9A EP12756176A EP2753194A1 EP 2753194 A1 EP2753194 A1 EP 2753194A1 EP 12756176 A EP12756176 A EP 12756176A EP 2753194 A1 EP2753194 A1 EP 2753194A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydrolyzate
- fish
- protein
- metabolic syndrome
- diabetes
- 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.)
- Withdrawn
Links
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/56—Materials from animals other than mammals
- A61K35/60—Fish, e.g. seahorses; Fish eggs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
- A23J1/04—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from fish or other sea animals
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
- A23J1/14—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from leguminous or other vegetable seeds; from press-cake or oil-bearing seeds
- A23J1/148—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from leguminous or other vegetable seeds; from press-cake or oil-bearing seeds by treatment involving enzymes or microorganisms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/17—Amino acids, peptides or proteins
- A23L33/18—Peptides; Protein hydrolysates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/01—Hydrolysed proteins; Derivatives thereof
- A61K38/012—Hydrolysed proteins; Derivatives thereof from animals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Definitions
- Hydrolyzates of fish proteins for use in the prevention and / or treatment of metabolic disorders such as a metabolic syndrome, particularly associated with obesity.
- the present invention relates to fish protein hydrolysates for use in the prevention and / or treatment of metabolic disorders such as a metabolic syndrome, particularly associated with obesity.
- the hydrolysates of fish proteins can be obtained chemically or enzymatically.
- the hydrolysis of the proteins is carried out using a strong acid or a strong base, under strict conditions of pH. These hydrolysis conditions considerably alter the quality of the hydrolysates obtained.
- the hydrolysates are obtained by hydrolysis of the proteins using endogenous enzymes or exogenous enzymes. These hydrolysis conditions lead to hydrolysates of better quality, particularly with regard to hydrolysis using heterogeneous enzymes which makes it possible to control the degree of hydrolysis.
- the metabolic syndrome can be defined as a clinical condition resulting from the presence of several physiological signs among the following: high blood pressure, fasting blood glucose level elevated blood levels of high triglycerides, low blood levels of HDL cholesterol and presence of abdominal obesity.
- metabolic syndrome varies by country or health organization. For many specialists, there is metabolic syndrome when at least three of the aforementioned risk factors are observed. According to many experts, abdominal obesity is almost always observed in patients with the metabolic syndrome.
- Insulin is a hormone produced by the pancreas that allows the absorption of glucose and helps regulate blood sugar levels, ie, blood sugar. In case of insulin resistance, glucose uptake into cells no longer occurs. To correct the situation and maintain proper glucose levels in the blood, the pancreas needs to produce more insulin. It follows in time a deregulation of the pancreas that can no longer secrete insulin, and the onset of type 2 diabetes. Insulin resistance is also associated with a higher risk of hypertension and cardiovascular disease, as it is accompanied by an increase in cholesterol and triglyceride levels, which can damage arterial walls. In addition, insulin resistance is strongly related to obesity.
- Obesity is often associated with chronic systemic inflammation and metabolic dysfunction related to cytokines and hormones synthesized and secreted by adipocytes.
- adipose tissue is an endocrine organ involved in the regulation of energy balance and lipid and carbohydrate metabolism via insulin, adiponectin, leptin and other secretions.
- adipocytokines related to inflammation.
- obesity promotes the appearance of steatosis which is characterized by an infiltration of triglycerides in the liver with abnormal retention of lipids by cells and an abnormality in the synthesis and degradation of triglycerides. This steatosis in the liver causes inflammation of the liver and more generally obesity causes chronic inflammation of the tissues.
- IL-6 interleukin-6
- TNFa tumor necrosis factor alpha
- PAI-1 plasminogen Activator inhibitor-1
- the release of insulin has the effect of inhibiting the lipase which hydrolyzes triglycerides and releases into the blood of the so-called free fatty acids that can be used as a source of energy.
- lipase When lipase is inhibited, the body uses amino acids and carbohydrates as a source of energy. This phenomenon is accompanied by an increase in appetite and weight gain.
- the plaintiff company which has oriented its research on metabolic disorders, including the metabolic syndrome, was able to identify hydrolysates obtained from the enzymatic hydrolysis of a fish protein source having functional properties. interesting in these areas in mammals, particularly humans.
- the invention thus relates to a fish protein hydrolyzate obtained by enzymatic hydrolysis of at least one protein source chosen from the group consisting of fish Micromesistius poutassou, Clupea harengus, Scombrus scombrus, Sardina pilchardus, Trisopterus esmarki, Trachurus spp., Gadus morhua, Pollachius virens, Melanogrammus aeglefinus, Coryphaenoides rupestris, fish belonging to the order of the siluriformes, said enzymatic hydrolysis being carried out by an endopeptidase enzyme derived from Bacillus subtilis for the prevention, limitation and / or treatment of metabolic disorders.
- protein source chosen from the group consisting of fish Micromesistius poutassou, Clupea harengus, Scombrus scombrus, Sardina pilchardus, Trisopterus esmarki, Trachurus spp., Gadus mor
- such a disorder of metabolism includes hyperinsulinemia, insulin resistance, glucose intolerance, hyperglycemia, dyslipidemia, di abte de type 2, di abtegest at io nn el, hypertriglyceridemia, hypercholesterolemia, hypertension, non-alcoholic fatty liver disease, chronic inflammation and / or metabolic syndrome.
- a disorder of metabolism is a metabolic syndrome, for example associated with obesity.
- the invention relates to said hydrolyzate for use in the prevention, limitation and / or treatment of at least two, preferably three, physiological states of a metabolic syndrome selected from the following: hypersinsulinemia, resistance insulin, glucose intolerance, hyperglycemia, obesity, dyslipidemia, type 2 diabetes, gestational diabetes, hypertriglyceridaemia, hypercholesterolemia, hypertension, non-alcoholic fatty liver disease, chronic inflammation.
- a metabolic syndrome selected from the following: hypersinsulinemia, resistance insulin, glucose intolerance, hyperglycemia, obesity, dyslipidemia, type 2 diabetes, gestational diabetes, hypertriglyceridaemia, hypercholesterolemia, hypertension, non-alcoholic fatty liver disease, chronic inflammation.
- said hydrolyzate does not induce limitation of food intake or satiety phenomenon.
- the fish protein hydrolyzate has:
- lipid content of less than 1%, as a percentage of crude product
- the source of fish protein comprises the pulp obtained from the fillet of the fish or fish.
- the fish protein hydrolyzate is obtained by a production process comprising:
- At least one protein source selected from the group consisting of the fish species Micromesistius poutassou, Clupea harengus, Scombrus scombrus, Sardina pilchardus, Trisopterus esmarki, Trachurus spp., Gadus morhua, Pollachius virens, Melanogrammus aeglefinus, Coryphaenoides rupestris of fish belonging to the order of siluriformes, in the presence of water, so as to recover the pulp of said fish or fish,
- said enzymatic hydrolysis is carried out according to an enzyme / protein source ratio of between 0.01 and 2%, preferably equal to 0.75%, and at a hydrolysis temperature equal to 55 ° C.
- the endopeptidase enzyme derived from Bacillus subtilis is preferably a metalloendopeptidase, or bacillo lysine, belonging to EC class 3.4.24.28 of the EC classification established by the Enzyme Commission and published by the International Union of Biochemistry and Molecular Biology (IUBMB). ) in 1992.
- the fish protein hydrolyzate as defined above can thus be used for the manufacture of a food supplement, or a pharmaceutical or nutraceutical composition, intended for the treatment and / or the prevention of metabolic disorders, such as a metabolic syndrome, hyperinsulinemia, insulin resistance, glucose intolerance, hyperglycemia, dyslipidemia, type 2 diabetes, gestational diabetes, hypertriglyceridemia, hypercholesterolemia, hypertension, non-alcoholic fatty liver disease and / or chronic inflammation.
- metabolic disorders such as a metabolic syndrome, hyperinsulinemia, insulin resistance, glucose intolerance, hyperglycemia, dyslipidemia, type 2 diabetes, gestational diabetes, hypertriglyceridemia, hypercholesterolemia, hypertension, non-alcoholic fatty liver disease and / or chronic inflammation.
- the fish protein hydrolyzate as defined above can be used for the manufacture of a food supplement, or a pharmaceutical or nutraceutical composition, intended for the prevention and / or treatment of at least two, preferentially three, physiological states of a metabolic syndrome selected from the following: hyperinsulinemia, insulin resistance, glucose intolerance, hyperglycemia, dyslipidemia, type 2 diabetes, gestational diabetes mellitus, hypertriglyceridaemia, hypercholesterolemia, hypertension or chronic inflammation.
- a metabolic syndrome selected from the following: hyperinsulinemia, insulin resistance, glucose intolerance, hyperglycemia, dyslipidemia, type 2 diabetes, gestational diabetes mellitus, hypertriglyceridaemia, hypercholesterolemia, hypertension or chronic inflammation.
- the invention also relates to a method for treatment and / or therapeutic prevention in the mammal, in particular in humans, of the abovementioned metabolic disorders, in particular of a metabolic syndrome, more particularly of at least three physiological states. of a metabolic syndrome as described above, the method of orally administering a fish protein hydrolyzate as defined above.
- Figs. 1, 2 and 3 illustrate insulin dosages versus time in minutes in groups of control mice (normolipid), hyperlipidic diet (Fig 1), control diet (normo lipid) added with a hydrolyzate according to the invention (FIG 2) or a hyperlipidic diet supplemented with a hydrolyzate according to the invention (FIG. Figs.
- FIG. 4 and 5 illustrate the measurements of blood glucose in mg / dl as a function of time in minutes carried out in groups of mice which have been given a control diet (normolipid), a control diet (normolipidic) supplemented with a hydrolyzate according to the invention (FIG 4), a hyperlipidic diet or a hyperlipidic diet supplemented with a hydrolyzate according to the invention (FIG.
- FIG. 6 illustrates the determination of plasma cholesterol in g / l carried out in groups of mice that have been given a control diet (normolipid), a hyperlipidic diet, a control diet (normolipid) supplemented with a hydrolyzate according to the invention or a hyperlipidic diet added of a hydrolyzate according to the invention
- FIG. 7 illustrates the triglyceride assays in g / 1 carried out in groups of mice that have been given a control diet (normolipid), a hyperlipidic diet, a control diet (normolipid) supplemented with a hydrolyzate according to the invention or a hyperlipidic diet supplemented with a hydrolyzate according to the invention.
- Example 1 Protein hydrolyzate obtained from blue whiting
- Blue whiting ⁇ Micromesistius poutassou is a sin in the North Atlantic off Newfoundland.
- the fish are cut into fillets which are then ground to obtain the pulp.
- This fish pulp is a source of protein for the production of the hydrolyzate.
- the pulp is stored at -20 ° C until use.
- the hydrolysis reaction is conducted for 2 hours then the enzyme is inactivated by raising the temperature of the reaction medium to 85 ° C. This temperature is maintained for 15 minutes.
- the obtained blue whiting protein hydrolyzate hereinafter referred to as H1 is then filtered through a sieve (2mm / 2mm mesh size) so as to remove the solids and then recovered in a container.
- the fraction recovered in the container is then centrifuged for more or less 5 minutes at a speed between 4000 and 7000 RPM. After removal of the pellet, the supernatant is recovered, lyophilized and stored in a cool and dry place, protected from light. The supernatant can also be atomized.
- EXAMPLE 3 Physico-chemical analyzes of the protein hydrolysates obtained according to Examples 1 and 2
- a determination of the molecular weights of the constituent peptides of each protein hydrolyzate H1 to H11 is performed by steric exclusion chromatography (SEC-HPLC).
- the protein hydrolyzate in powder form after lyophilization is suspended in ultrapure water at a rate of 20 mg / ml, then filtered through a membrane of 0.45 ⁇ and analyzed by gel filtration with a Superdex Peptide HR column. 10/30, marketed by the company Pharmacia.
- the matrix of the column is composed of a porous gel crosslinked (diameter 13-15 ⁇ ) agarose and dextran with a total volume of 24 mL. Its fractionation domain is between 100 and 7000 Da.
- the column is mounted on an HPLC chain, marketed by Dionex, which is equipped with a pump (Dionex P680 module). The measurement is performed by a multi-wavelength ultraviolet detector (Dionex UVD 170 U module).
- the protein hydrolyzate H1 is eluted with a mobile phase containing acetonitrile, water and TFA. The elution lasts approximately 1 hour at a flow rate of 0.5 ml / min.
- the molecular weight distribution is calculated from the parameters of a calibration line obtained after passing through the column of known molecular weight markers: Cytochrome C (12,400 Da), aprotinin (6,51 Da), gastrin I (2146 Da), substance P (1348 Da), substance P fragment 1-7 (900 Da), glycine (75 Da) and leupeptin (463 Da). Data is collected using Chromeleon software (Dionex). Percentages of molecular weights are calculated using software (GPC Cirrus from Polymer Laboratories). The acquisition wavelength is 214 nm. The distribution of molecular weights according to dW / logM is given by the software. The percentage of the area under the curve corresponds to the percentage of molecules. The distribution of molecular weights by size class is given in Table 1.
- the amino acid composition of the H1 protein hydrolyzate is given in Table 2 and is obtained by following the indications of the European Directive 98/64 / CE and the standard NF EN ISO 13904-October 2005.
- the protein content is greater than 80%, as a percentage of crude product (standard NF V I 8-120-March 1997 corrected KJELDAHL).
- the lipid content is less than 1%, as a percentage of gross product (according to European Directive 98/64 / EC).
- the energy value of the H1 protein hydrolyzate is about 350 Kcal / 100g.
- the carbohydrate content is less than 4% (deduced from the protein and carbohydrate contents and the energy value).
- the H1 protein hydrolyzate has been tested for its activity on the metabolic syndrome.
- mice of 5 weeks were placed in cages in a room with controlled temperature and humidity, in inverted day-night cycle (night from 8h to 20h) .
- the animals were subjected to a high-lipid diet for 3 weeks and the weight gain of the animals was measured throughout this experiment (weighing of the mice twice a week).
- This first experiment was intended to perform a selection of animals.
- a standard diet was then given to them for 4 weeks.
- 72 male C3H mice were thus selected and divided into groups:
- - 3 groups receiving normo-lipid regimens including 0% (control group named C), 50% (group named C 50% or C-50) or 80%> (group named C 80%> or C-80) of Hydrolyzate of fish protein H1, as a percentage of the total energy provided by the proteins.
- - 3 groups receiving hyper-lipid diets including 0%> (control group named HL), 50% (group named HL 50% or HL-50) or 80% (group named HL 80% or HL-80) of hydrolyzate of fish protein H1, as a percentage of the total energy provided by the proteins.
- Table 3 Diet composition (g / kg of final diet)
- mice After 6 hours of fasting, the mice were force-fed with a solution of D-glucose, the amount of which varies according to the weight of the mice (2 mg / kg). 30 ⁇ of blood was taken from the tail of the mice at different times to measure changes in blood glucose (t0, tl5, t30, t60, and tl20) (Figs 4 and 5). The remaining plasmas are recovered after two 10 min centrifugations at 4500 g at 4 ° C to assay plasma insulin in response to ingested glucose (Figs 1, 2 and 3). The insulin dosages performed on the control groups C and HL (Fig. 1) show that ingestion of the hyperlipidic diet (HL) increases insulinemia.
- HL hyperlipidic diet
- mice under control diet (C) had the same basal glucose value (Fig. 4).
- a significant decrease in blood glucose over time was observed in the mice under a diet enriched in H1 hydrolyzate.
- the curve of mice fed the control HL diet (HL group) is a characteristic curve of diabetic animals (Fig. 5). Indeed, the curve is much more rounded, a sign that glucose is less rapidly used by the body.
- the HL 80%> diet produces a difference in blood glucose levels from the basal level.
- the two diets (HL-50 and HL-80) cause a significant decrease in the blood glucose of the mice compared to the control diet HL.
- the ingestion of the H1 hydrolyzate results in a significant improvement in the glucose tolerance.
- mice of the different groups were recovered after slaughter. Aliquots were stored at -20 ° C. Enzymatic assays of total cholesterol in serum and plasma were performed using the RTU Cholesterol Kit. Triglyceride assays were performed using the RANDOX ® Kit.
- Luminex technique was used to assay cytokines involved in inflammation either interleukin-6 (IL-6), tumor necrosis factor alpha (TNFa), leptin and two adipo cytokines: the plasminogen activator inhibitor-1 (PAI- 1) and adiponectin.
- IL-6 interleukin-6
- TNFa tumor necrosis factor alpha
- PAI-1 plasminogen activator inhibitor-1
- H1 hydrolyzate significantly reduces the concentration of IL-6, leptin and PAI-1, markers of an inflammation reaction.
- mice hyperlipidic diet caused at least three symptoms characteristic of a metabolic syndrome: blood glucose, insulinemia and triglyceride levels in mice of the HL control group were higher than those of control group C.
- the mice of the HL group were overweight characteristic of obesity.
- the addition of the hydrolyzate H1 in the diet has significantly reduced these rates.
- the hydrolyzate H1 makes it possible to reduce the cholesterol level significantly. It is further noted that the ingestion of hydrolyzate H1 does not modify food intake and does not induce satiety (data published in patent application WO 2010/149778).
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- Animal Behavior & Ethology (AREA)
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- Food Science & Technology (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1157874A FR2979542B1 (fr) | 2011-09-06 | 2011-09-06 | Hydrolysats de proteines de poisson pour leur utilisation dans la prevention et/ou le traitement de troubles metaboliques tels qu'un syndrome metabolique, en particulier associe a l'obesite. |
PCT/EP2012/067212 WO2013034546A1 (fr) | 2011-09-06 | 2012-09-04 | Hydrolysats de protéines de poisson pour leur utilisation dans la prévention et/ou le traitement de troubles métaboliques tels qu'un syndrome métabolique, en particulier associé à l'obésité. |
Publications (1)
Publication Number | Publication Date |
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EP2753194A1 true EP2753194A1 (fr) | 2014-07-16 |
Family
ID=46801494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP12756176.9A Withdrawn EP2753194A1 (fr) | 2011-09-06 | 2012-09-04 | Hydrolysats de protéines de poisson pour leur utilisation dans la prévention et/ou le traitement de troubles métaboliques tels qu'un syndrome métabolique, en particulier associé à l'obésité. |
Country Status (3)
Country | Link |
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EP (1) | EP2753194A1 (fr) |
FR (1) | FR2979542B1 (fr) |
WO (1) | WO2013034546A1 (fr) |
Family Cites Families (4)
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FR800753A (fr) | 1936-01-16 | 1936-07-18 | Moteur à combustion interne à cloisons oscillantes et éléments moteurs multiples | |
FR2927335B1 (fr) * | 2008-02-12 | 2012-04-20 | Cie Des Peches Saint Malo Sante | Hydrolysat de proteines de poissons presentant une activite satietogene, compositions nutraceutiques et pharmacologiques comprenant un tel hydrolysat et procede d'obtention |
FR2927336B1 (fr) | 2008-02-12 | 2010-05-21 | Cie Des Peches Saint Malo Sant | Hydrolysat de proteines de poissons presentant une activite de stimulation et de maintien du capital osseux, compositions nutraceutiques et pharmacologiques comprenant un tel hydrolysat et procede d'obtention |
FR2947149B1 (fr) * | 2009-06-26 | 2011-09-09 | Cie Des Peches Saint Malo Sante | Hydrolysat de proteines de poissons pour son utilisation dans l'inhibition de la prise de poids et/ou la perte de poids |
-
2011
- 2011-09-06 FR FR1157874A patent/FR2979542B1/fr not_active Expired - Fee Related
-
2012
- 2012-09-04 EP EP12756176.9A patent/EP2753194A1/fr not_active Withdrawn
- 2012-09-04 WO PCT/EP2012/067212 patent/WO2013034546A1/fr active Application Filing
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Publication number | Publication date |
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FR2979542B1 (fr) | 2014-03-14 |
WO2013034546A1 (fr) | 2013-03-14 |
FR2979542A1 (fr) | 2013-03-08 |
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