WO2004080475A1 - 抗ロタウィルス感染組成物、およびその製法 - Google Patents
抗ロタウィルス感染組成物、およびその製法 Download PDFInfo
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- WO2004080475A1 WO2004080475A1 PCT/JP2004/003185 JP2004003185W WO2004080475A1 WO 2004080475 A1 WO2004080475 A1 WO 2004080475A1 JP 2004003185 W JP2004003185 W JP 2004003185W WO 2004080475 A1 WO2004080475 A1 WO 2004080475A1
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- whey
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- 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
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/20—Milk; Whey; Colostrum
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C21/00—Whey; Whey preparations
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/16—Agglomerating or granulating milk powder; Making instant milk powder; Products obtained thereby
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- 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
- A23L33/19—Dairy proteins
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
Definitions
- the present invention relates to an anti-rotavirus-infected composition, a method for producing the same, and an anti-rotavirus-infected food composition containing an effective amount of the anti-rotavirus-infected composition.
- Infant winter diarrhea caused by human rotavirus is a severe diarrheal disease that causes fever, vomiting, diarrhea, and dehydration, primarily in infants under 2 years of age.
- gray stool was called diarrhea due to the nature of the stool, but it has been found to be a human virus infection.
- 3.5 million diarrhea in children under the age of five are diagnosed with rotavirus infection annually, resulting in 55,000 hospitalizations and 20 deaths.
- RRV-TV rhesus rotavi rus tetraval ent
- intussusception was a side effect, and administration of the V-TV vaccine was discontinued (for example, see Non-Patent Document 1).
- immunoglobulin in colostrum and its composition for example, refer to Patent Document 1
- p- ⁇ -force zein for example, refer to Patent Document 2
- milk mucin for example, Non-patent Documents
- buttermilk-derived polypeptides for example, see Non-Patent Document 3
- Non-Patent Document 3 (Non-Patent Document 3)
- An object of the present invention is to provide a novel food composition having an oral virus infection protective effect. Another object of the present invention is to provide a food containing an effective amount of the composition. Still another object of the present invention is to provide a livestock feed containing an effective amount of the composition.
- the present inventors have studied to solve the above-mentioned problems, and as a result, a retentate obtained by a microfiltration (MF) treatment of a whey, a fraction obtained by a centrifugal separation treatment, and precipitation of whey or ammonium sulfate (Ammonium sulfate fractionation method, ammonium sulfate salting out method, Or the ammonium sulfate precipitation method).
- the fraction obtained by the treatment showed a potent inhibitory activity against Rotavirus infection. Further, they have found that the rotavirus infection inhibitory activity is not lost even when the retentate or fraction is heat-treated. That is, the present invention
- composition according to (1) wherein the pore size of the microfiltration membrane is in the range of 0.004 to 1.
- composition according to claim 1 wherein the saturation of ammonium sulfate precipitation is in the range of 30 to 100%.
- a food having an oral virus infection protective action comprising an effective amount of the composition according to any of (1) to (4);
- a livestock feed having an oral virus infection protective action comprising an effective amount of the composition according to any of (1) to (4);
- Whey is divided into sweet whey and acid whey.
- Sweet whey is a by-product of mature molded cheese and is sweet at pH 5.9-6.3.
- acid whey is obtained from the production of unripe, fresh cheese, and usually has a sourness at pH 4.4 to 4.6.
- the whey in casein production is also acid whey.
- Table 1 shows the general composition of sheet whey and acid whey (Milk Science Vol. 51, No. 1, 2002).
- the invention includes sweet whey and acid whey.
- the whey used in the present invention is prepared by a conventional method using milk of each lactation period of the radish, or a concentrate or a dried product thereof (hereinafter, these may be collectively referred to as milk). . Further, in the present invention, milk of mammals other than humans and pests can also be used. In general, whey is purified from raw milk and heat-sterilized at 72-75 ° C for 15 seconds.HTST (High Te immediate short time) sterilization and heat-sterilized at 120-150 ° C for 1-3 seconds UHT (Ult) ra High Temperature) After sterilization such as sterilization, it can be roughly divided into the following two methods.
- the first is a method of manufacturing sweet whey, in which pasteurized milk or pasteurized milk is heated to about 30 to 60 ° C and gravity of several hundred G or more is applied to produce skim milk as fat by creaming fat.
- This is a method of adding ethnet (animal, microbial and plant origin). That is, whey is discharged as a solution when producing hard, semi-hard or soft cheese and rennet casein.
- the other is a method for producing acid whey, in which an acid (an organic acid such as acetic acid or lactic acid or an inorganic acid such as hydrochloric acid or sulfuric acid) is added to skim milk obtained by the same method as described above.
- acid whey is obtained by adjusting the pH of skim milk to 4.6 with an acid and removing the isoelectrically precipitated casein by filtration or centrifugation.
- a supernatant obtained by adding lactic acid bacteria alone or both calcium chloride and acid to skim milk and removing the resulting casein precipitate by centrifugation or the like can also be used as acid whey.
- Sweet whey contains about 8% lipid in total solids (Table 1). It has been pointed out that this lipid impairs the flavor of WPC. Whey lipid is also related to the efficiency of membrane treatment such as ultrafiltration membrane (UF) and reverse osmosis membrane (R0). The more residual lipid in whey, the lower the flux rate during membrane separation.
- UF ultrafiltration membrane
- R0 reverse osmosis membrane
- whey is purified by centrifugation, the pH is adjusted to around neutral (6.8 to 7.2), and then the membrane is treated with MF. Further, after repeating the process of adding water to the MF membrane treatment a plurality of times (usually three times), the retentate is dried by an ordinary method.
- the MF membrane can be used in two ways: flowing the sample parallel to the membrane surface (cross flow ⁇ tangential flow filtration or cross flow filtration) and pushing the sample perpendicular to the membrane surface (dead end filtration).
- cross flow ⁇ tangential flow filtration or cross flow filtration clos-mouth filtration is used for the processing of dairy products, and total filtration is used for air sterilization for aseptic tanks.
- Bactocatch is a cross-flow MF (CFMF) filtration method, and the MF membrane (Membralox, SCT, France) is made of alumina ceramics and has a pore size of 1.4 ⁇ to permeate casein micelles and block bacteria. .
- the biggest feature of Bactocatch is that the permeation flux By controlling this, the module can operate at a uniform transmembrane pressure (UTP: uniform transmembrane pressure) of about 0.04MPa (0.1MPa atm). This has made it possible to prevent clogging.
- UTP uniform transmembrane pressure
- ESL (Extended shelf life) milk can be produced by using the milk that has been sterilized by the bactoch atch system as a raw material.
- the Bactocatch system is also used to remove spores from cheese ingredients. Also in the present invention, it is conceivable to use a cross-flow filtration type apparatus including this Bac tocatch system for MF treatment of whey.
- the MF membrane has a difference in shape between a flat membrane type and a hollow fiber type, and a difference in material such as a resin membrane and a ceramic membrane, and these can be used as appropriate.
- Fat in whey cannot be completely removed by centrifugation and remains at 0.05%.
- WPC powder with a protein content of 80% is produced from this whey, the fat content reaches 5-8% (JL Maubois: Bulletin of the IDF 320: 37-40, 1997). It has been pointed out that this lipid may impair the function and flavor of WPC (Y. Morr and EYWHa: CRC Crit. Rev. Food Sci. Nutr., 33: p.431, 1993; JN de Wit , G. Klarenbeek and M. Adamse: Neth. Milk Dairy J., 40, p. 41, 1986; MT Patel and A. Kilara: J. Dairy Sci., 73: p. 2731, 1990).
- Whey lipids are also associated with membrane treatment effects such as ultrafiltration (0JF) and reverse osmosis (R0). 'The more residual lipid in whey, the lower the flux rate during membrane separation (JN de Wit and R. de Boer: Neth. Milk Dairy J., 29, p. 198, 1975).
- the main component of this fat is phospholipids. This fat is mostly removed by treating whey with 0.1 / im MF (P. Dejimek and B. Hallstroem: Food Membrane Technology Roundtable, 5th Spring Meeting Abstracts, p. 36-45, 1993; A. Nielsen: Danish Dairy & Food Ind. Worldwide, 10: 72-73, 1996).
- the permeated liquid can be sterilized by using an MF membrane having a pore size of about 0.2 to 0.45 ⁇ m.
- Bacteria are about the same size as fat globules (fat globules range in diameter from 0.1 to 17 ⁇ with an average of 3.4 ⁇ 1).
- the hole diameter of the MF membrane is from 0.01 m to 12 m.
- the pore size of the MF membrane used in the present invention is considered to be practically in the range of 0.1 to 1.4 ⁇ , but optimization of the pore can be confirmed through ordinary experiments by those skilled in the art.
- the water phase obtained by centrifuging the whey cream obtained by centrifuging sweet whey at about 30 to 60 ° C is retained, so that the fresh cream is separated from the raw milk more easily. It can be used like a liquid.
- the whey MF retentate, the centrifuged solution, and the Z- or ammonium sulfate-precipitated fraction or the dried product thereof exhibit anti-robin virus infection activity as described in Examples described later. In addition, they retain their anti-rotavirus infection activity even when they are heated.
- the MF retentate or its dried product is obtained as a by-product of whey protein isolate (WPI) produced by a combination of MF and UF.
- WPI whey protein isolate
- the whey centrifuged solution or its dried product is obtained as a by-product of butter oil. Phospholipids are concentrated in the whey MF retentate and the centrifuged solution or the dried product thus produced. '
- composition of the present invention can be heat-treated, and is mixed with an effective amount of a food (especially infant formula or infant feed) to give an infant, a baby, a baby or the like. It can be expected to be effective in preventing or treating diarrhea caused by rotavirus. Effective amounts of the compositions of the present invention are estimated to be in the range of 0.1-50% by weight of the final product, but should be determined in human or livestock tests.
- Rotavirus grows on epithelial cells about one-third of the small intestinal villi. After infection, the villi Dwarf and cause lesions such as disordered or missing microvilli. As a result, physiology is impaired and water absorption is impaired, causing diarrhea. Oral and viral infections begin with attachment to target cells and involve a multistep process of invasion and colonization.
- the anti-rotavirus infectivity of the MF retentate, the centrifuged solution and / or the ammonium sulfate-precipitated fraction of the whey of the present invention, or the dried product thereof is attributed to the inhibition of the oral virus from adhering to target cells. Estimated, but further elucidation of mechanism of action is required.
- the safety of the milk-derived composition used in the present invention has been established over a long dietary experience. Therefore, it is possible to confirm the efficacy and the effective amount of the product of the present invention in a human test.
- composition derived from milk When used as an anti-virus virus infection composition, it may be used as such (in liquid or powder form), together with other active substances or with other 'pharmacologically active substances'. it can.
- forms include, for example, tablets or coated tablets, capsules, solutions, syrups, emulsions or dispersible powders.
- the amount of intake varies depending on age, physical condition, etc., but is 0.001 to 10 g / kg body weight, preferably 0.01 to 2 g / kg body weight per day.
- the composition derived from milk can be used in infant formulas of infants with poorly developed protective ability against oral and oral virus infection, or elderly people with reduced protective ability against rotavirus infection
- An effective amount of the composition can be added to foods intended for use to produce a food composition infected with anti-Robin virus.
- Infant formula is defined as infant formula for infants aged 0 to 12 months, follow-up milk for infants aged 6 to 9 months and younger (up to 3 years old), and birth at birth.
- various treatments used for the treatment of infants with pathological conditions such as milk allergy and lactose intolerance Refers to milk.
- the composition can be applied to foods for functional health and foods for the sick.
- the Health Functional Food System was established not only for ordinary foods but also for foods in the form of tablets, capsules, etc., taking into account internal and external trends and the consistency with the conventional foods for specified health uses. It consists of two types: food for specified health use (individually licensed type) and food with nutritional function (standard-based type). Further, the composition can be added to livestock feed in an effective amount to prepare an anti-rotavirus-infected composition.
- FIG. 1 is a diagram showing a fractionation pattern of an active ingredient of an anti-Robins virus-infected composition using a gel filtration (Sephacryl S-500) column.
- the heated product was prepared by dissolving the obtained powder in distilled water to a concentration of 10 mg / ml, heating at 80 ° C for 30 minutes, and freeze-drying by a conventional method.
- the phospholipid content of the milk-derived composition produced using the same method as in Example 1 described above using milk was measured. First, 50 ml of 5 NaCl solution was added to 10 g of the sample and dissolved, and then 100 ml of methanol was added. Next, 100 ml of black-mouthed form was added, and the mixture was stirred and allowed to stand. The same operation was repeated twice more. The resulting black-mouthed form layer was dried under reduced pressure and dissolved in 30 ml of n-hexane. 50 ml of n-hexane-saturated 1% aqueous methanol was added, stirred, and allowed to stand, and a methanol layer was collected. The same operation was repeated twice more.
- the obtained methanol layer was dried under reduced pressure and dissolved in chloroform (2: 1). Thus, a sample for measuring phospholipids was obtained.
- Phosphatidyletanolamine (PE), phosphatidylcholine (PC), and sphingomyelin (SM) concentrations in the obtained samples were measured by the HPLC method to determine the phosphorus' lipid content in the samples.
- the rotavirus infection inhibitory activity of the milk-derived composition produced by using the milk in the same manner as in Example 1 or the heat-treated product thereof was measured.
- the infection-inhibiting activity of the human M. virus M0 strain was measured as follows. 0.4 ml of 10 6 FCFU (Fluorescent Cell Forming Unit) / ml of the Humanovirus virus MO strain and 0.4 ml of 20 ig / ml trypsin were mixed and incubated at 37 ° C. for 30 minutes. Preliminarily dispensed 50/1 (sample solution was sterilized by filtration with a 0.45 m filter) diluted to various concentrations in Fig. 1 medium containing 10% fetal bovine serum. Each of the prepared virus solutions was added to a tube by 50/2], and the mixture was cultured at 37 ° C for 1 hour.
- FCFU Fluorescent Cell Forming Unit
- 50 il of a idal medium containing 10% fetal bovine serum was used instead of the sample 50 ⁇ 1.
- 100 xl of 2 ⁇ 10 5 / ml rhesus monkey kidney-derived MA-104 cells was added to each eppendorf tube containing this culture solution, mix, and mix each slide with 201 of the corresponding slide. The cells were transferred to a glass and cultured at 37 ° C for 45 hours.
- the minimum inhibitory activity of the composition derived from normal milk and the heat-treated product is 33, and And 35 ig / ml (evening protein concentration in terms of serum albumin). From these results, it was found that the composition had an anti-virus activity and that the anti-virus activity hardly changed even after the heat treatment. It should be noted that substantially the same results were obtained with the compositions of the present invention produced by other starting materials and methods. Therefore, it has been clarified that the composition obtained by separating the pesticide milk from the milk with a microfiltration membrane has an anti-virus activity and that the anti-rotavirus infection activity of the composition has heat resistance. .
- Rotavirus infection begins with adhesion to target cells and involves a multistep process of invasion and colonization. This time, the composition was mixed with rotavirus in advance and reacted with target cells. As a result, the rotavirus infection was inhibited. It was suggested that the inhibition was exerted by inhibiting the adhesion of the protein.
- Example 4 An infant formula having the following formulation was prepared by mixing 0.5% of the milk-derived composition produced by using milk with the same method as in Example 1 described above.
- Example 5 Preparation of anti-rotavirus infection composition from whey and heat-treated product thereof 100 kg of milked unheated raw milk was sterilized with 72 for 15 seconds, and prepared according to a conventional method, and the pH of the produced whey was adjusted to 6.8 with 6N NaOH. Similarly, from 100 kg of HTST-sterilized raw milk, emmen juice was prepared according to a conventional method, and the pH of the produced whey was adjusted to 6.8 with 6N NaOH. After mixing these whey, they were centrifuged to remove the cream fraction and fine casein particles.
- the whey thus obtained is diluted with water so that the solid content becomes 1.7%, and then the fine filtration device (ceramic filter made by Exekia, pore size 0.1 l) After treatment at a temperature of 50 ° C), a retentate having a solid content of 8% was recovered. The obtained retentate was further concentrated under reduced pressure, and then dried by a spray dry method.
- the fine filtration device ceramic filter made by Exekia, pore size 0.1 l
- Preparation of the heated product was carried out by dissolving the obtained powder in distilled water at 1, 5, and 10 mg / ml, heating at 141 ° C. for 5 seconds, and freeze-drying by a conventional method.
- the solution dissolved at 10 mg / ml was separately heat-treated at iOO ° C for 5 minutes and 80 ° C for 30 minutes, and lyophilized by a conventional method.
- Example 6 Measurement of oral rotavirus infection inhibitory activity of anti-rotavirus infection composition from whey and heat-treated product thereof
- Anti-rotavirus infection composition from whey and its heat-treated product to inhibit rotavirus infection
- the minimum inhibitory concentration is expressed as the protein concentration in terms of serum albumin.
- Anti-rotavirus infection composition prepared from whey using microfiltration membranes of various pore sizes 100 kg of milked unheated raw milk was centrifuged (8000 g, 15 minutes, 4 ° C), and the cream was separated to obtain skim milk. This skim milk was heated (20 to 25 ° C), and 0.5N HC1 was added to PH4.6. After maintaining this state for 15 to 30 minutes, centrifugation (3000 g, 15 minutes, 4 ° C) was performed to separate casein to obtain acid whey.
- Example 8 Measurement of rotavirus infection inhibitory activity of anti-rotavirus infection composition prepared from whey using microfiltration membranes of various pore sizes
- Table 4 shows the measurement results of the anti-rotavirus activity of each sample.
- the minimum inhibitory concentration of the experimental sample was shown as the protein concentration in terms of serum albumin.
- the minimum inhibitory concentration was expressed as a protein concentration in terms of serum albumin.
- Anti-rotavirus-infected composition prepared from whey by centrifugation 100 kg of unheated raw milk that had been milked was sterilized at 63 ° C for 30 minutes. The formed whey (pH 6.0) was separated. The whey was heated and centrifuged (3000 g, 20 minutes, 40 ° C) to obtain whey cream. The whey cream was heated again to 50 ° C and centrifuged (3000 g, 20 minutes, 50 ° C). The aqueous phase thus obtained (hereinafter abbreviated as whey cream serum) 'was freeze-dried by a conventional method to prepare a test sample.
- whey cream serum aqueous phase thus obtained
- Example 10 Measurement of oral virus infection inhibitory activity of anti-rotavirus infection composition prepared from whey by centrifugation
- the inhibitory activity of the dye composition on oral virus infection was measured by the same method as in Example 6.
- sylactoferrin (Asha) was used as a control sample.
- Table 5 shows the measurement results of the anti-rotavirus activity of each sample.
- the minimum inhibitory concentration of the experimental sample was represented by the protein concentration in terms of serum albumin.
- the whey cream serum showed a stronger anti-rotavirus activity than that of peractoferrin.
- the anti-rotavirus infection composition can be prepared from whey only by centrifugation.
- the minimum inhibitory concentration was expressed as the tamper concentration in magma serum albumin conversion.
- Example 11 An anti-rotavirus infection composition prepared by subjecting whey obtained from skim milk heated at 95 ° C for 30 minutes to ammonium sulfate precipitation and centrifugation
- This solution was centrifuged (7000 g, 30 minutes, 4 ° C) to remove the precipitate again. Ammonium sulfate was further added to the obtained solution to make it 90% saturated. Finally, this solution was centrifuged (7000 g, 30 minutes, 4.C) to collect a precipitate. The precipitate obtained at 90% saturation was dissolved in distilled water, dialyzed against distilled water, and lyophilized by a conventional method to obtain a test sample.
- Example 12 Measurement of rotavirus infection inhibitory activity of anti-rotavirus-infected composition prepared by ammonium sulfate precipitation and centrifugation of whey obtained from skim milk heated at 95 ° C for 30 minutes
- the 90% saturated precipitate showed a minimum inhibitory concentration of 50/2 g / ml (protein concentration in terms of serum albumin).
- the active ingredient of the milk-derived composition produced by the same method as in Example 5 described above was further fractionated.
- the powder obtained by spray-drying the retentate in Example 5 was dissolved in distilled water so as to have a concentration of 5%, and then heat-treated at 95 ° C for 30 minutes. A part of this solution was dialyzed overnight against the following Tris-II buffer to prepare a gel filtration sample. About 480 ml of Sephacryl S-500 HR was taken, and the solvent was replaced with MilliQ water (ultra pure water) by several times of decantation. Stir the gel to homogeneity, gently pour it into a column (2.6 x 60 cm) equipped with a reservoir, then fill the reservoir with Mi 11 iQ water to prevent air from entering. did.
- the column was connected to AKTA explorer 10 C (Amersham Pharmacia Biotech), and after running Milli-Q water to sufficiently precipitate the gel, the reservoir was removed and the adapter was attached.
- the column was equilibrated with 0.05 M Tris-HCl buffer at pH 8.0 (0.15 M NaCK ⁇ Na.EDTA, 0.02% NaN 3 ).
- 11 ml of the above sample was added to the column and eluted at a flow rate of 1.3 ml / min. At this time, the change in absorbance at 280 MI of the eluate was examined, and a fraction C 1 that passed almost through was collected.
- This C1 fraction was dialyzed overnight against distilled water, and a portion was freeze-dried by a conventional method to prepare a test sample.
- the rest was further fractionated using ammonium sulfate in the same manner as in Example 11. That is, ammonium sulfate was added to the C1 fraction solution to make the solution 35 saturated. This solution was centrifuged (7000 g, 30 minutes, 4 ° C) to remove the precipitate. Ammonium sulfate was added again to the solution from which the precipitate had been removed to make it 55% saturated. This solution was centrifuged (7000 g, 30 minutes, 4 ° C) to remove the precipitate again. Ammonium sulfate was further added to the obtained solution to make it 90% saturated.
- the solution was centrifuged (7000 g, 30 minutes, 4 ° C) to collect the precipitate.
- the precipitate obtained at 90% saturation was dissolved in distilled water, dialyzed against distilled water, and lyophilized by a conventional method to obtain a test sample.
- Example 14 Measurement of oral virus infection inhibitory activity of components obtained by fractionating an anti-rotavirus-infected composition with a gel filtration (Sephacryl S-500) column and ammonium sulfate
- the rotavirus infection inhibitory activity of a component produced from raw milk by the same method as in Example 13 described above was measured by the same method as in Example 6.
- Table 6 shows the measurement results of the anti-rotavirus activity of each sample.
- the minimum inhibitory concentration of the experimental sample was represented by the protein concentration in terms of serum albumin.
- the active ingredient of the milk-derived composition produced by the same method as in Example 5 described above was further fractionated.
- the powder obtained by spray-drying the retentate in Example 5 was dissolved in distilled water to a concentration of 10%, and 0.5N HCl was added to adjust the pH to 4.6. After maintaining in this state for 15 to 30 minutes, centrifugation was performed (at 6000 g for 20 minutes) to separate into a sediment fraction and a supernatant fraction. The supernatant fraction was freeze-dried by the method to give test sample A. The supernatant fraction was subjected to ultrafiltration using an ultrafiltration membrane (Millipore Japan) with a molecular weight cut off of 10,000. It was 25 ° C. First, the supernatant fraction was 1 / The solution was concentrated to 4 and then the concentrated solution was hydrolyzed four-fold.
- Example 16 Measurement of oral virus infection inhibitory activity of components obtained by fractionating an anti-rotavirus-infected composition by centrifugation and ultrafiltration
- the inhibitory activity against oral virus infection of the components produced from raw milk by the same method as in Example 15 described above was measured by the same method as in Example 6. An unfractionated sample was used as a control sample for comparison.
- Table 7 shows the measurement results of the anti-rotavirus activity of each sample.
- the minimum inhibitory concentration of the experimental sample was represented by the protein concentration in terms of serum albumin.
- composition having a novel rotavirus infection protective effect is provided.
- the composition can be blended with an effective amount of the infant formula.
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004218981A AU2004218981B2 (en) | 2003-03-14 | 2004-03-11 | Compositions against rotavirus infection and processes for producing the same |
NZ542981A NZ542981A (en) | 2003-03-14 | 2004-03-11 | Compositions against infection with rotavirus infection and processes for producing the same |
DK04719582.1T DK1623717T3 (en) | 2003-03-14 | 2004-03-11 | Composition against rotavirus infection and method for preparing it |
EP04719582.1A EP1623717B1 (en) | 2003-03-14 | 2004-03-11 | Composition against rotavirus infection and process for producing the same |
CN2004800129731A CN1787829B (zh) | 2003-03-14 | 2004-03-11 | 抗轮状病毒感染的组合物及制备该组合物的方法 |
JP2005503566A JPWO2004080475A1 (ja) | 2003-03-14 | 2004-03-11 | 抗ロタウィルス感染組成物、およびその製法 |
US10/548,906 US8211476B2 (en) | 2003-03-14 | 2004-03-11 | Compositions against rotavirus infection and processes for producing the same |
US13/339,019 US8440233B2 (en) | 2003-03-14 | 2011-12-28 | Compositions against rotavirus infection and processes for producing the same |
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JP2003070669 | 2003-03-14 | ||
JP2003-070669 | 2003-03-14 |
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US10548906 A-371-Of-International | 2004-03-11 | ||
US13/339,019 Continuation US8440233B2 (en) | 2003-03-14 | 2011-12-28 | Compositions against rotavirus infection and processes for producing the same |
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PCT/JP2004/003185 WO2004080475A1 (ja) | 2003-03-14 | 2004-03-11 | 抗ロタウィルス感染組成物、およびその製法 |
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US (2) | US8211476B2 (ja) |
EP (1) | EP1623717B1 (ja) |
JP (2) | JPWO2004080475A1 (ja) |
KR (1) | KR20050109979A (ja) |
CN (2) | CN1787829B (ja) |
AU (1) | AU2004218981B2 (ja) |
DK (1) | DK1623717T3 (ja) |
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JP2007084523A (ja) * | 2005-03-02 | 2007-04-05 | Meiji Milk Prod Co Ltd | ロタウイルス感染阻害活性を有する新規糖タンパク質 |
WO2007046123A3 (en) * | 2005-10-21 | 2007-11-22 | Opocrin Spa | Composition containing vitamins k and d as well as taurine for the preventio and treatment of osteoporosis |
JP2011254838A (ja) * | 2005-03-02 | 2011-12-22 | Meiji Co Ltd | ロタウイルス感染阻害活性を有する新規糖タンパク質 |
US8211476B2 (en) | 2003-03-14 | 2012-07-03 | Meiji Co., Ltd. | Compositions against rotavirus infection and processes for producing the same |
AU2010257271B2 (en) * | 2004-10-12 | 2012-11-15 | Fonterra Co-Operative Group Limited | Beta-serum dairy products, neutral lipid-depleted and/or polar lipid-enriched dairy products, and processes for their production |
WO2020137932A1 (ja) * | 2018-12-28 | 2020-07-02 | 森永乳業株式会社 | 造粒粉末の製造方法及び造粒粉末 |
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JP2005281257A (ja) * | 2004-03-30 | 2005-10-13 | Snow Brand Milk Prod Co Ltd | 美肌剤 |
NZ560524A (en) * | 2007-08-09 | 2011-04-29 | Fonterra Co Operative Group | Treating or preventing rotavirus infection using conjugated linoleic acid |
US9055752B2 (en) | 2008-11-06 | 2015-06-16 | Intercontinental Great Brands Llc | Shelf-stable concentrated dairy liquids and methods of forming thereof |
UA112972C2 (uk) | 2010-09-08 | 2016-11-25 | Інтерконтінентал Грейт Брендс ЛЛС | Рідкий молочний концентрат з високим вмістом сухих речовин |
CN109475164A (zh) * | 2016-05-12 | 2019-03-15 | 阿拉食品公司 | 促进脑发育的乳清制剂 |
US12023075B2 (en) | 2022-03-21 | 2024-07-02 | Ryan J. Niver | Bone fixation systems and methods for fixating bones |
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- 2004-03-11 KR KR1020057016810A patent/KR20050109979A/ko not_active Application Discontinuation
- 2004-03-11 WO PCT/JP2004/003185 patent/WO2004080475A1/ja active Application Filing
- 2004-03-11 JP JP2005503566A patent/JPWO2004080475A1/ja not_active Withdrawn
- 2004-03-11 CN CN201010167343A patent/CN101828713A/zh active Pending
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8211476B2 (en) | 2003-03-14 | 2012-07-03 | Meiji Co., Ltd. | Compositions against rotavirus infection and processes for producing the same |
US8440233B2 (en) | 2003-03-14 | 2013-05-14 | Meiji Co., Ltd | Compositions against rotavirus infection and processes for producing the same |
AU2010257271B2 (en) * | 2004-10-12 | 2012-11-15 | Fonterra Co-Operative Group Limited | Beta-serum dairy products, neutral lipid-depleted and/or polar lipid-enriched dairy products, and processes for their production |
AU2010257271B8 (en) * | 2004-10-12 | 2013-03-14 | Fonterra Co-Operative Group Limited | Beta-serum dairy products, neutral lipid-depleted and/or polar lipid-enriched dairy products, and processes for their production |
JP2006158340A (ja) * | 2004-12-09 | 2006-06-22 | Snow Brand Milk Prod Co Ltd | 複合脂質高含有素材の製造方法及び複合脂質高含有素材 |
JP4559836B2 (ja) * | 2004-12-09 | 2010-10-13 | 雪印乳業株式会社 | 複合脂質高含有素材の製造方法及び複合脂質高含有素材 |
JP2007084523A (ja) * | 2005-03-02 | 2007-04-05 | Meiji Milk Prod Co Ltd | ロタウイルス感染阻害活性を有する新規糖タンパク質 |
JP2011254838A (ja) * | 2005-03-02 | 2011-12-22 | Meiji Co Ltd | ロタウイルス感染阻害活性を有する新規糖タンパク質 |
WO2007046123A3 (en) * | 2005-10-21 | 2007-11-22 | Opocrin Spa | Composition containing vitamins k and d as well as taurine for the preventio and treatment of osteoporosis |
WO2020137932A1 (ja) * | 2018-12-28 | 2020-07-02 | 森永乳業株式会社 | 造粒粉末の製造方法及び造粒粉末 |
JPWO2020137932A1 (ja) * | 2018-12-28 | 2021-11-11 | 森永乳業株式会社 | 造粒粉末の製造方法及び造粒粉末 |
JP7550650B2 (ja) | 2018-12-28 | 2024-09-13 | 森永乳業株式会社 | 造粒粉末の製造方法及び造粒粉末 |
Also Published As
Publication number | Publication date |
---|---|
NZ542981A (en) | 2008-05-30 |
US8211476B2 (en) | 2012-07-03 |
JP2012012391A (ja) | 2012-01-19 |
US20060240115A1 (en) | 2006-10-26 |
EP1623717B1 (en) | 2018-08-29 |
CN101828713A (zh) | 2010-09-15 |
JP5666995B2 (ja) | 2015-02-12 |
DK1623717T3 (en) | 2018-12-03 |
EP1623717A4 (en) | 2010-07-28 |
EP1623717A1 (en) | 2006-02-08 |
KR20050109979A (ko) | 2005-11-22 |
CN1787829A (zh) | 2006-06-14 |
US20120100224A1 (en) | 2012-04-26 |
AU2004218981A1 (en) | 2004-09-23 |
CN1787829B (zh) | 2010-06-16 |
JPWO2004080475A1 (ja) | 2006-06-08 |
AU2004218981B2 (en) | 2010-09-16 |
US8440233B2 (en) | 2013-05-14 |
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