WO2014199780A1 - ジペプチジルペプチダーゼiv(dppiv)阻害ペプチド化合物、それを含有する組成物、及びその製造方法 - Google Patents
ジペプチジルペプチダーゼiv(dppiv)阻害ペプチド化合物、それを含有する組成物、及びその製造方法 Download PDFInfo
- Publication number
- WO2014199780A1 WO2014199780A1 PCT/JP2014/063238 JP2014063238W WO2014199780A1 WO 2014199780 A1 WO2014199780 A1 WO 2014199780A1 JP 2014063238 W JP2014063238 W JP 2014063238W WO 2014199780 A1 WO2014199780 A1 WO 2014199780A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pro
- dppiv
- inhibitory activity
- salt
- leu
- 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.)
- Ceased
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/10—Tetrapeptides
- C07K5/1002—Tetrapeptides with the first amino acid being neutral
- C07K5/1016—Tetrapeptides with the first amino acid being neutral and aromatic or cycloaliphatic
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
- A23K20/147—Polymeric derivatives, e.g. peptides or proteins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- 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
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/12—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by hydrolysis, i.e. solvolysis in general
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
- C07K14/4702—Regulators; Modulating activity
- C07K14/4703—Inhibitors; Suppressors
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
- C07K14/70596—Molecules with a "CD"-designation not provided for elsewhere
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/08—Tripeptides
- C07K5/0802—Tripeptides with the first amino acid being neutral
- C07K5/0804—Tripeptides with the first amino acid being neutral and aliphatic
- C07K5/0808—Tripeptides with the first amino acid being neutral and aliphatic the side chain containing 2 to 4 carbon atoms, e.g. Val, Ile, Leu
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/10—Tetrapeptides
- C07K5/1002—Tetrapeptides with the first amino acid being neutral
- C07K5/1005—Tetrapeptides with the first amino acid being neutral and aliphatic
- C07K5/101—Tetrapeptides with the first amino acid being neutral and aliphatic the side chain containing 2 to 4 carbon atoms, e.g. Val, Ile, Leu
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
- C12N9/485—Exopeptidases (3.4.11-3.4.19)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
- C12P21/06—Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
Definitions
- the present invention relates to a peptide having dipeptidyl peptidase IV (DPPIV) inhibitory activity and a salt thereof (peptide compound), and a composition containing the same, which includes hydrolysis of a protein source derived from sea bream larvae.
- DPPIV dipeptidyl peptidase IV
- a salt thereof peptide compound
- composition containing the same which includes hydrolysis of a protein source derived from sea bream larvae.
- One or more types of peptide compounds having DPPIV inhibitory activity found in products are contained as active ingredients.
- Diabetes is a group of metabolic diseases whose main feature is chronic hyperglycemia based on lack of insulin action, and blood glucose control in the treatment is not only the onset of diabetes but also retinopathy, nephropathy, neuropathy, myocardial infarction, brain It is very important as a means of suppressing the development of complications such as infarction and improving the patient's quality of life (QOL) and life expectancy.
- QOL quality of life
- more than 95% of diabetic patients are said to be type 2 diabetic (non-insulin dependent diabetic) patients.
- DPPIV dipeptidyl peptidase IV
- GIP gastric inhibitory polypeptide
- GLP-1 glucagon-like peptide-1
- DPPIV is one of serine proteases and is an enzyme that recognizes and cleaves the second proline (Pro) or alanine (Ala) from the N-terminus of the peptide. It has been reported that DPPIV has a strong effect on peptides having proline and alanine at the second N-terminal residue and lysine (Lys) and arginine (Arg) as the N-terminal residues (non- Patent Document 1).
- Patent Document 1 insulin secretion promoting action
- Patent Document 2 glucose absorption inhibitory activity
- Patent Document 3 glucagon-like peptide-1 secretion promotion
- Patent Document 4 glucose absorption inhibitory activity
- Patent Document 5 the degradation product of a seaweed was recognized in the peptide obtained by decomposing
- protamine extracted from the baby egg is known to have amylase inhibitory activity (Non-patent Document 2) and GLP-1 secretion promoting action (Non-Patent Document 3).
- Naturally-derived DPPIV inhibitors include peptides derived from cheese water-soluble fraction (Patent Document 7), peptides derived from milk protein (Patent Document 8), enzymatic decomposition product of red beans or kidney beans (Patent Document 9), gelatin Known peptides (Patent Document 10), peptides derived from enzymatic degradation products of gelatin extracted from salmon skin (Non-Patent Document 4), and the like are known.
- seafood white eggs have lower utility value than eggs and are only used for fertilizer feed and are not effectively utilized.
- salmon derived from salmon which is relatively used, is used as a raw material for protamine and nucleic acids, but over 10,000 tons per year is industrial waste.
- An object of the present invention is to provide a peptide compound having DPPIV inhibitory activity that can contribute to prevention of the onset and progression of pathological conditions in diabetic patients and their reserves, or a composition containing the same, and has a long history of eating and safety. It is to provide a simple method using raw fish of high seafood as a raw material.
- DPPIV inhibitory active ingredients in functional foods, health functional foods, special purpose foods, dietary supplements, health supplements, supplements and other foods and drinks that have an effect of suppressing an increase in blood glucose level have been eaten for a long time, and safety It is to provide an easy-to-use method using sea urchins of high seafood.
- DPPIV inhibitory activity As a result of intensive studies on naturally-derived materials having DPPIV inhibitory activity, the present inventors have found DPPIV inhibitory activity in hydrolysates of sea bream sea bream and protein processed products of larvae. Furthermore, the structure and / or activity contained in the hydrolyzate was determined and a novel DPPIV-inhibiting peptide was determined to complete the present invention.
- a first aspect of the composition for inhibiting DPPIV according to the present invention is characterized in that it comprises a peptide compound having DPPIV inhibitory activity obtained by hydrolysis of a protein source derived from a sea bream eggplant.
- a second embodiment of the composition for inhibiting DPPIV according to the present invention includes Phe-Pro-Val-Gly or a salt thereof, Ile-Pro-Leu or a salt thereof, Leu-Pro-Val-Leu or a salt thereof, and Val. It comprises at least one selected from -Pro-Phe-Pro or a salt thereof as a DPPIV inhibitory active ingredient.
- DPPIV-inhibiting compositions or peptide compounds Using these DPPIV-inhibiting compositions or peptide compounds, DPPIV-inhibiting drugs, food and drink (functional foods, health functional foods, special-purpose foods, nutritional supplements, health supplements, supplements, etc.), pets A food or the like can be prepared.
- the peptide compound according to the present invention is at least one selected from Phe-Pro-Val-Gly and its salt, Ile-Pro-Leu and its salt, and Leu-Pro-Val-Leu and its salt. These peptide compounds can be used for a desired use alone or as a mixture of two or more.
- the method for producing a hydrolyzate having DPPIV inhibitory activity has the process of obtaining the hydrolyzate which has DPPIV inhibitory activity by hydrolyzing the protein source derived from the sea larva of the seafood.
- a method for producing a peptide compound having DPPIV inhibitory activity according to the present invention includes: Hydrolyzing a protein source derived from sea larvae to obtain a hydrolyzate containing a peptide compound having DPPIV inhibitory activity; Isolating a peptide compound having DPPIV inhibitory activity from the hydrolyzate; It is characterized by having.
- Non-Patent Document 2 As an inhibitory effect on the increase in blood glucose level by a material derived from a baby, amylase inhibitory activity by protamine extracted from a baby is known (Non-Patent Document 2), but Phe-Pro-Val-Gly, Ile- according to the present invention is known. Comparing the DPPIV inhibitory peptide consisting of the amino acid sequence shown by Pro-Leu, Leu-Pro-Val-Leu, or Val-Pro-Phe-Pro with the amino acid sequence of protamine, the DPPIV inhibitory peptide of the present invention is not derived from protamine Is clear (Non-Patent Document 5).
- non-patent document 4 discloses the enzyme-degraded peptide derived from gelatin extracted from salmon skin showed DPPIV inhibitory activity as a raw material of seafood-derived protein hydrolyzate.
- the amino acid composition of skin collagen is greatly different, and it is clear that different peptide groups are central to the DPPIV inhibitory activity of the compositions obtained by hydrolyzing these.
- a collagen extraction process from the skin and a complicated process for removing impurities mixed in from the lipids and other tissues contained in the skin are required. Since the skin and the baby are distinct parts, the skin does not contain skin collagen.
- the white child is clearly different in form from other parts, it can be considered that the raw material selection is easy, and it can be said that it is suitable as a raw material with a low lipid content.
- Shiroko is considered to have a wide range of applicability in the food field because it exhibits excellent taste due to the release of nucleic acids and the like by hydrolysis.
- the peptide compound having DPPIV inhibitory activity according to the present invention and a composition containing the same are made from sea bream of fish and shellfish that have been eaten for a long time and have high safety. Therefore, pharmaceuticals, foods and drinks (functional foods, health Functional foods, special-purpose foods, dietary supplements, health supplements, supplements, etc.), pet foods, etc.
- the raw material for obtaining the peptide compound having DPPIV inhibitory activity and the composition containing the same according to the present invention may be a sea turtle.
- salmon larvae are rarely used for food, have few main uses other than being used as a raw material for functional foods such as protamine and / or DNA, and salmon that has 10,000 tons or more of industrial waste per year is preferred.
- salmon mushrooms with low maturity that are not used for protamine and DNA production can also be used as raw materials.
- production by-products generated after extraction of protamine and / or DNA used as a functional material from salmon eggplant can also be used.
- raw materials can be obtained inexpensively and stably, contributing to effective utilization of unused resources and reduction of industrial waste.
- FIG. It is a figure which shows the measurement result of DPPIV inhibitory activity of the hydrolyzate obtained in Example 1. It is a figure which shows the measurement result of the starch load test with respect to SD rat of the hydrolyzate obtained in Example 1.
- FIG. It is a figure which shows the purification method of the peptide from a hydrolyzate of a white child. It is a figure which shows the measurement result of DPPIV inhibitory activity of the hydrolyzate obtained in Example 9.
- composition having DPPIV inhibitory activity contains, as a component having DPPIV inhibitory activity, a peptide compound obtained from a hydrolyzate of a protein source contained in sea bream (ie, seafood testis).
- This hydrolyzate can be obtained by hydrolyzing a protein source derived from fish sea bream under conditions that produce a peptide compound having DPPIV inhibitory activity.
- composition containing a peptide compound having DPPIV inhibitory activity can be in the following forms.
- a hydrolyzate containing a peptide compound having DPPIV inhibitory activity which is obtained by hydrolyzing a protein source derived from sea bream larvae.
- a fraction, crude product or purified product having DPPIV inhibitory activity comprising one or more peptide compounds having DPPIV inhibitory activity from a hydrolyzate of a protein source derived from sea bream larvae.
- To the above hydrolyzate, fraction having DPPIV inhibitory activity, crude purified product or purified product, at least one selected from carriers, excipients, diluents and various additives is added. The resulting composition.
- a composition comprising at least one peptide compound isolated from a hydrolyzate of a protein source derived from a sea bream eggplant.
- a composition comprising at least one peptide compound having DPPIV inhibitory activity obtained by synthesis based on the amino acid sequence of the isolated peptide compound.
- a composition as a mixture of two or more peptide compounds having DPPIV inhibitory activity.
- a composition obtained by adding at least one selected from a carrier, an excipient, a diluent and various additives to the composition of any one of (4) to (6) above.
- the fraction, crude product or purified product having DPPIV inhibitory activity in (2) above is separated by ultrafiltration, membrane treatment, liquid separation operation, resin, etc. after hydrolysis of the seafood-derived protein source.
- the fraction can be obtained by a method of obtaining a fraction containing a peptide compound having DPPIV inhibitory activity by performing a fraction treatment, and a method of purifying the fraction using various separation / purification methods.
- the fraction containing the peptide compound having the DPPIV inhibitory activity obtained by removing the polymer compound from the hydrolysis of the protein source derived from the eggplant is subjected to purification treatment as necessary, and then subjected to a freeze-drying method or the like.
- composition containing a peptide compound having a powdery DPPIV inhibitory activity By carrying out a drying treatment using the composition, a composition containing a peptide compound having a powdery DPPIV inhibitory activity can be obtained.
- the removal of the polymer compound may be performed so that at least the polymer compound having a molecular weight of 5000 or more is removed.
- Examples of peptide compounds having DPPIV inhibitory activity include peptides and salts thereof that have been confirmed to have DPPIV inhibitory activity in Example 7 and Example 9 described later, and using at least one of these as an active ingredient
- the composition for DPPIV inhibition according to the present invention can be provided.
- Examples of preferable peptide compounds to be contained in the composition according to the present invention include the following four peptides or salts thereof.
- B A peptide consisting of an amino acid sequence represented by IPL (Ile-Pro-Leu) or a salt thereof.
- (C) A peptide consisting of an amino acid sequence represented by LPVL (Leu-Pro-Val-Leu) or a salt thereof.
- (D) A peptide consisting of an amino acid sequence represented by VPFP (Val-Pro-Phe-Pro) or a salt thereof.
- sea bream larva As a protein source derived from sea bream larva as a raw material for hydrolysis, sea bream larva itself, a protein source extracted from sea bream larvae, or the like can be used.
- a protein source extracted from sea larvae protamine from seafood larvae and / or by-products in DNA production can be used.
- the method for producing protamine and / or DNA is not particularly limited. If protamine is used, it is possible to grind the sea bream sea bream and extract these components into an aqueous mineral acid solution. If it is DNA, the sea bream is ground if necessary, and DNA is obtained by hydrolysis using protease or nuclease or extraction using saline solution, alkaline solution, organic solvent, or surfactant.
- By-products are residues after extraction or separation of protamine and / or DNA from sea bream sea bream. These residues themselves, those obtained by extracting or concentrating active ingredients from these residues, and further separation
- the protein source can be used as a raw material for hydrolysis.
- Seafood is a general term for marine animals classified as chordates, mollusks, echinoderms, arthropods, or cnidarians.
- seafood from which white cats are supplied include salmon and trout.
- Craniopods such as squid and octopus are included, and examples of “salmon” include chum salmon, coho salmon, sockeye salmon, Atlantic salmon, king salmon, calaf trout, and trout.
- a protein source can be extracted from a baby egg by various extraction methods and used for hydrolysis.
- a protein source contained in the remaining production by-product obtained by extracting protamine and / or DNA from a baby egg can be used for hydrolysis.
- the white child In addition to the high sexual maturity, which contains a large amount of protamine and DNA and has a low water content, the white child has a low protamine and DNA content and a high water content. Low moles can also be used as raw materials for hydrolysis.
- the water content of common salmon whites is about 70-85%, and the sexual maturity of whites can be defined by the white content.
- it can be widely used as a raw material from a baby with high sexual maturity of less than 75% moisture to a baby with low sexual maturity of 75% or more.
- a protein source other than a white child may be mixed with a white baby protein source as a raw material for hydrolysis.
- a protein source other than this white child for example, at least one of microorganisms, plants, animals, fermented products thereof, and protein sources extracted from these can be used according to the object of the present invention.
- Hydrolysis of the protein source derived from sea bream white eggs can be carried out by means known in the art.
- an acid, an enzyme, or the like can be used, but the method is not limited thereto.
- the enzyme that hydrolyzes the protein source include endopeptidase and exopeptidase, and these may be used alone or in combination.
- an enzyme mainly composed of endopeptidase is used.
- endopeptidases include serine proteases, aspartic proteases, metalloproteases, cysteine proteases and the like.
- enzymes mainly composed of serine proteases are used. Two or more enzymes that hydrolyze these protein sources can be used in combination.
- the enzyme that hydrolyzes the protein source is preferably added in an amount of 0.001 to 5% (w / w) to the white protein source material and reacted for 1 to 48 hours under a temperature and pH conditions suitable for the hydrolysis activity.
- purified enzyme preparations and crude enzyme preparations can be used, and the enzyme activity derived from the Shiroko raw material may be used.
- the hydrolysis reaction is carried out under reaction conditions where a water-soluble peptide compound having DPPIV inhibitory activity is obtained in the resulting hydrolyzate.
- This reaction condition can be obtained, for example, by the following method. First, a raw material protein source is decomposed, and reaction products are sampled at predetermined time intervals according to the progress of the reaction. Measure the DPPIV inhibitory activity of each reaction product obtained, identify the reaction conditions that yielded the desired reaction product exhibiting DPPIV inhibitory activity, and use these reaction conditions as reaction conditions in the production of hydrolysates To do. As the reaction conditions, it is preferable to select reaction conditions in which both IP (Ile-Pro) and VPL (Val-Pro-Leu) are contained in the hydrolyzate. In addition to these two types, it is more preferable to select reaction conditions under which at least one of the above-mentioned peptide compounds (A) to (D) can be obtained in the hydrolyzate.
- peptide is a term indicating an amino acid polymer having a peptide bond, and the number of amino acid residues contained in the peptide is not limited as long as it is 2 or more, and includes proteins. In Examples and the like to be described later, a composition containing two or more kinds of peptides is described as a “peptide composition”.
- the “protein source” also includes a protein itself or a protein complex formed with a protein and lipid and / or carbohydrate.
- Peptide compounds of various lengths (molecular weight) and amino acid sequences can be obtained in a mixed state in the hydrolyzate of the protein source derived from sea bream, etc., depending on the type of protein source and the conditions of the hydrolysis reaction. .
- the hydrolyzate exhibits excellent taste and can be widely used in the food field.
- Isolation of the peptide compound having DPPIV inhibitory activity from the hydrolyzate can be performed by a known separation method.
- a method using a separation column described in Example 5 described below can be suitably used. it can.
- a composition comprising a hydrolyzate having DPPIV inhibitory activity according to the present invention, and one or more selected from peptide compounds extracted from the hydrolyzate as active ingredients, as they are, or as necessary, a carrier, DPPIV inhibitors can be prepared for use with excipients, diluents, and the like.
- pharmaceuticals, food and drinks for the purpose of imparting DPPIV inhibitory activity to a composition comprising a hydrolyzate having DPPIV inhibitory activity according to the present invention, and one or more selected from peptide compounds extracted from the hydrolyzate.
- hydrolyzate of the protein source derived from sea larvae examples include hydrolysates containing at least IP (Ile-Pro) and VPL (Val-Pro-Leu), and these two peptides.
- at least selected from FPVG (Phe-Pro-Val-Gly), IPL (Ile-Pro-Leu), LPVL (Leu-Pro-Val-Leu) and VPFP (Val-Pro-Phe-Pro) It is preferable that it is a hydrolyzate containing 1 type.
- Each of these peptides may take the form of a salt.
- the acid constituting the salt is not particularly limited, but the following pharmaceutically acceptable salts are preferable in consideration of uses for pharmaceuticals, foods and drinks, pet foods and the like.
- the acid addition salt include hydrochloride, sulfate, nitrate, methanesulfonate, p-toluenesulfonate, phosphate, salt with tricarboxylic acid such as citric acid, oxalic acid, malonic acid, Examples thereof include salts with dicarboxylic acids such as succinic acid, malic acid, maleic acid, and fumaric acid, and salts with monocarboxylic acids such as acetic acid, propionic acid, butyric acid, and lactic acid.
- the base that constitutes the salt is not particularly limited, but in consideration of uses for foods, pharmaceuticals, pet foods, and the like, the bases that constitute the pharmaceutically acceptable salts listed below are preferred.
- inorganic salts such as sodium salt, potassium salt, calcium salt, magnesium salt, ammonium salt, lithium salt, aluminum salt, strontium salt, mono-, di- and such as methylamine salt, dimethylamine salt and triethylamine salt
- organic salts such as tri-alkylamine salts, mono-, di- and tri-hydroxyalkylamine salts, guanidine salts, N-methylglucosamine salts.
- the ratio of IP, VPL, IPL and LPVL contained in the hydrolyzate (solid content) is preferably in the following range.
- Leu-Pro-Val-Leu (LPVL): 0.001 to 1% by weight By setting the conditions for hydrolysis of the protein source derived from sea bream larvae such that these peptides or salts thereof are included in the hydrolyzate in the proportions shown in the above range, two or more of the aforementioned peptides can be obtained. A hydrolyzate containing can be obtained. It is preferable that the IP content in the case of using squid white is 0.005 to 5% by weight.
- Preferred examples of this hydrolyzate include those having the compositions shown in Table 1 below obtained by the same treatment as the hydrolyzate as the peptide composition in Example 1 using salmon roe.
- the peptide composition is used as it is as a pharmaceutical or food and drink (functional food, health functional food, special use food, nutritional supplement, health supplement, supplement, etc.), pet
- it may be added to a hood or the like, it may be subjected to ultrafiltration, membrane treatment, liquid separation operation or fractionation treatment with a resin or the like to increase the degree of purification.
- it can utilize also about the peptide compound obtained by synthesize
- After increasing the degree of purification of the active peptide it may be pulverized by freeze drying, spray drying or the like.
- the peptide compound and composition having DPPIV inhibitory activity of the present invention can be administered orally, and the blood glucose level can be lowered by inhibiting DPPIV in vivo.
- the peptide having DPPIV inhibitory activity and its salt can be formulated as it is, at least one of the peptide having DPPIV inhibitory activity and its salt is used as it is. Can be formulated.
- composition comprising at least one of the above, at least one of various carriers, excipients and diluents that are pharmaceutically acceptable as an additive to foods, and vitamins that are added as necessary Formulation can be performed using various additives such as coloring agents, seasonings, sweeteners, and antioxidants.
- the blending ratio of at least one peptide having DPPIV inhibitory activity and salts thereof in these preparations can be selected from the range of 0.0001 to 100% by weight.
- DPPIV inhibitory activity For the measurement of DPPIV inhibitory activity, a commercially available kit or the like may be used. For example, DPPIV Drug Discovery Assay Kit (Enzo Life Sciences Inc.) can be used.
- Example 1 Production of DPPIV inhibitory peptide composition from salmon roe
- White salmon Oncorhynchus keta
- 8 g water content 77.0%
- Enzymes that hydrolyze protein sources include protease P, “Amano” 3SD (derived from Aspergillus melleus, manufactured by Amano Enzyme), biolase OP (derived from Bacillus clausii, manufactured by Nagase Chemtech), protease as protease M "Amano" SD (derived from Aspergillus oryzae, manufactured by Amano Enzyme), orientase A20 (derived from Aspergillus niger, manufactured by HIBI), metalloprotease, aloase AP-10 (derived from Bacillus subtilis, manufactured by Yakult Pharmaceutical Co., Ltd.), Ummamizyme Papain DF was used as G (derived from Aspergillus oryzae, manufactured by Amano Enzyme) and cysteine protease.
- protease P “Amano” 3SD (derived from Aspergillus melleus, manufactured by Amano Enzyme)
- biolase OP derived from
- each enzyme After warming to the optimum temperature of each enzyme, 0.02 g of each enzyme was added and stirred for 4 hours to carry out an enzymatic decomposition reaction. The reaction solution was heated to 90 ° C. to inactivate the enzyme. After cooling, the mixture was filtered using celite. The filtrate was permeated through an ultrafiltration membrane to remove a fraction having a molecular weight of 5,000 or more and then freeze-dried to obtain a DPPIV-inhibiting peptide composition powder. Since the molecular weight of the DNA contained in the white child is tens of thousands or more, it is considered that the polymer DNA is extracted and removed by these treatments.
- Example 2 DPPIV activity measurement
- the DPPIV inhibitory activity of each DPPIV inhibitory peptide composition obtained in Example 1 was measured. The measurement was performed by partially modifying DPPIV Drug Discovery Assay Kit (manufactured by Enzo life sciences Inc.).
- An AMC substrate H-Gly-Pro-amino-4-methylcoumarin, BML-P189-9090; manufactured by Biomol
- DPPIV Human, recombinant: manufactured by Biomol
- a control inhibitor Diprotin A (Diprotin A, manufactured by Peptide Institute, Inc.) was used.
- Example 3 (Starch load test for SD rats) Light-dark cycle 12 hours (lights from 7:00 am to 7:00 pm), room temperature 20-24 ° C, humidity 43-61%, feed (CRF-1, manufactured by Oriental Yeast Co., Ltd.) and drinking water (tap water) free SD rats (Slc: SD, 7 weeks old) acclimated for 1 week in the environment of ingestion were used. After fasting overnight for 16 hours or more from the evening of the last day of acclimatization, each group was divided into 5 animals by stratified random sampling according to body weight.
- the peptide composition (powder) derived from salmon eggplant obtained in Example 1 was dissolved in distilled water to prepare a 100 mg / mL solution. This was orally administered by gavage at a dose of 100 mg / kg of SD rat body weight. Alternatively, the same volume of distilled water was administered (control group). After administration of the test substance, starch (manufactured by Wako Pure Chemical Industries, Ltd.) was dissolved in distilled water to make a 20% aqueous solution and loaded with 2 g per kg of SD rat body weight. Blood collection was performed under no anesthesia at 4 points of 30, 60, 120 minutes before and after starch loading. The blood glucose level was measured using a blood glucose self-monitoring device (Nipro Freestyle Freedom, manufactured by Nipro Corporation), and the blood glucose concentration (mg / dL) in the whole blood was measured.
- a blood glucose self-monitoring device Nipro Freestyle Freedom, manufactured by Nipro Corporation
- Example 4 Measurement of peptide composition activity
- hydrolysis is performed by adding HCl to each of white salmon roe (salmon roe), protamine, salmon skin-derived collagen (salmon skin collagen) and American blue squid roe (squid roe).
- the amino acid composition (mol%) was measured using JLC-500 / V2 (manufactured by JEOL). The measurement results are shown in Table 2.
- Collagen peptides derived from white salmon, squid white and salmon skin are used individually as hydrolyzing materials, respectively, and in combination with the hydrolytic enzymes shown below, peptide compositions derived from the respective materials in the same manner as in Example 1 ( Powder).
- Example 5 (Concentration method of active peptide) Sep-Pak (registered trademark) column (C18 6cc: manufactured by Waters) obtained by dissolving 100 mg of the peptide composition sample derived from each material obtained in Example 4 in distilled water and equilibrating with distilled water. And washed with distilled water, and the adsorbed fraction was eluted with hydrous ethanol. The obtained eluate was dried with an evaporator to obtain a peptide composition concentrated fraction. The eluted fraction thus obtained can be used as it is as a DPPIV inhibitory peptide composition.
- Example 6 Search for active peptides
- Each of the powerful DPPIV-inhibiting peptides contained in the concentrated fraction of the peptide composition derived from salmon eggplant obtained in Example 5 was subjected to separation treatment.
- each peptide fraction was separated from the peptide composition as a salmon eggplant-derived hydrolyzate described in Example 1 according to the method described in FIG.
- Each separated peptide fraction was analyzed using LC-MS (LCMS-IT-TOF, Shimadzu) under the following conditions, and analyzed by mass spectrum (MS).
- MS mass spectrum
- a candidate peptide having a structure estimated by MS analysis was synthesized with a peptide synthesizer (SyroI, manufactured by Biotage). Each peptide structure was determined by comparing these with LC-MS.
- Example 7 (Measurement of identified peptide activity) The peptide identified by LC-MS analysis in Example 6 was synthesized, dissolved in distilled water, and its DPPIV inhibitory activity was determined in the same manner as in Example 2.
- Example 8 Measurement of active peptide content
- the peptide composition-enriched fraction from each material obtained in Example 4 was dissolved in distilled water at a concentration of 2 mg / mL, subjected to 0.45 ⁇ m membrane filter treatment, and used for active peptide content measurement.
- a similar peptide composition was prepared based on a by-product as a residue after DNA extraction and separation in DNA production using white salmon roe as a raw material, and the active peptide content was measured.
- IP, VPI, VPL, IPI, LPL, LPI, and IPL were quantified under the following condition A using JMS LCmate (manufactured by JEOL).
- Contribution rate (content of identified peptide in 1 g of peptide composition / (IC50 value of identified peptide ( ⁇ M) ⁇ molecular weight of identified peptide / 1000)) / (1000 / IC50 value of peptide composition ( ⁇ g / mL)) ⁇ 100 (Identified peptide quantification condition A) ⁇ HPLC analysis conditions> ⁇ HPLC system: Alliance Waters 2695 (manufactured by Waters) Column: Discovery (registered trademark) HS F5, 5 ⁇ m, 2.1 ⁇ 250 mm (supplied by SUPELCO) -Mobile phase A: H 2 O (containing 0.1 vol% formic acid and 0.01 vol% TFA, manufactured by Kanto Chemical, for LC-MS) -Mobile phase B: Methanol (manufactured by Kanto Chemical, for LC-MS) -Gradient: Linear gradient from 40% by volume of B solution to 80% by volume of B solution from 0 to 30 minutes, 80% by volume of B solution from 30 to
- the active peptide was detected in the peptide composition derived from squid white that had been confirmed to have DPPIV inhibitory activity, and it became clear that this active peptide contributed to the DPPIV inhibitory activity of these peptide compositions. Moreover, it discovered that the peptide composition containing a some peptide shows DPPIV inhibitory activity among these active peptides.
- each peptide composition contains Ile-Pro (IP) as a dipeptide and Val-Pro-Leu (VPL) as a tripeptide in common with all the hydrolases used. It was.
- Ile-Pro (IP) and Val-Pro-Leu (VPL) Ile-Pro-Leu (IPL) and Leu-Pro-Val-Leu (LPVL ) In common.
- Ile-Pro-Leu (IPL) in addition to Ile-Pro (IP) and Val-Pro-Leu (VPL) even when the type of hydrolase is changed. was commonly included.
- Example 9 DPPIV inhibitory activity and peptide content of each fish sea bream-derived peptide composition
- a peptide composition was obtained following the method of Example 1. That is, water is added to 10 g of each fish seed milled product, the solution is adjusted to pH 8.0, 0.016 g of enzyme (protease P “Amano” 3SD) is added, and the enzymatic degradation reaction is carried out at 50 ° C. for 5 hours. went. After the reaction, the reaction solution was heated to 90 ° C. to deactivate the enzyme, cooled, and then filtered using Celite. The filtrate was freeze-dried to obtain a DPPIV-inhibiting peptide composition powder.
- the peptide composition was dissolved in distilled water, 0.45 ⁇ m membrane filtered, and used for measuring DPPIV inhibitory activity and measuring active peptide content.
- DPPIV inhibitory activity was performed by partially modifying DPPIV Drug Discovery Assay Kit (manufactured by Enzo life sciences Inc.).
- An AMC substrate H-Gly-Pro-amino-4-methylcoumarin, BML-P189-9090; manufactured by Biomol
- DPPIV Human, recombinant: manufactured by Biomol
- a control inhibitor Diprotin A (Diprotin A, manufactured by Peptide Institute, Inc.) was used.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Gastroenterology & Hepatology (AREA)
- Toxicology (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Diabetes (AREA)
- Immunology (AREA)
- Cell Biology (AREA)
- Biomedical Technology (AREA)
- Mycology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Husbandry (AREA)
- Nutrition Science (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Analytical Chemistry (AREA)
- Obesity (AREA)
- Emergency Medicine (AREA)
- Endocrinology (AREA)
Abstract
Description
魚介類の白子由来のタンパク源を加水分解してDPPIV阻害活性を有する加水分解物を得る工程
を有することを特徴とする。
魚介類の白子由来のタンパク源を加水分解して、DPPIV阻害活性を有するペプチド化合物を含む加水分解物を得る工程と、
前記加水分解物から、DPPIV阻害活性を有するペプチド化合物を単離する工程と、
を有することを特徴とする。
(1)魚介類の白子由来のタンパク源を加水分解して得られる、DPPIV阻害活性を有するペプチド化合物を含む加水分解物。
(2)魚介類の白子由来のタンパク源の加水分解物からのDPPIV阻害活性を有するペプチド化合物の1種または2種以上を含むDPPIV阻害活性を有する画分、粗精製品あるいは精製品。
(3)上記の加水分解物、DPPIV阻害活性を有する画分、粗精製物あるいは精製物に対して、担体、賦形剤、希釈剤及び各種添加剤から選択された少なくとも1種を添加して得られる組成物。
(4)魚介類の白子由来のタンパク源の加水分解物から単離されたペプチド化合物の1種以上を含む組成物。
(5)上記の単離されたペプチド化合物のアミノ酸配列に基づいて合成により得られたDPPIV阻害活性を有するペプチド化合物の1種以上を含む組成物。
(6)DPPIV阻害活性を有するペプチド化合物の2種以上の混合物としての組成物。
(7)上記(4)~(6)のいずれかの組成物に対して、担体、賦形剤、希釈剤及び各種添加剤から選択された少なくとも1種を添加して得られる組成物。
(A)FPVG(Phe-Pro-Val-Gly)で示されるアミノ酸配列からなるペプチドまたはその塩。
(B)IPL(Ile-Pro-Leu)で示されるアミノ酸配列からなるペプチドまたはその塩。
(C)LPVL(Leu-Pro-Val-Leu)で示されるアミノ酸配列からなるペプチドまたはその塩。
(D)VPFP(Val-Pro-Phe-Pro)で示されるアミノ酸配列からなるペプチドまたはその塩。
Ile-Pro (IP):0.001~10重量%
Val-Pro-Leu (VPL):0.001~5重量%
Ile-Pro-Leu (IPL):0.001~1重量%
Leu-Pro-Val-Leu (LPVL):0.001~1重量%
これらのペプチドまたはその塩が加水分解物中に上記範囲に示す割合で含まれるように、魚介類の白子由来のタンパク源の加水分解の条件を設定することによって、上述したペプチドの2種以上を含む加水分解物を得ることができる。イカ白子を用いた場合のIPの含有割合は、0.005~5重量%となるようにすることが好ましい。
(サケ白子からのDPPIV阻害ペプチド組成物の製造)
シロサケ(Oncorhynchus keta)の白子を粉砕処理し、8g(水分含量77.0%)に加水し、それぞれの酵素の指摘pHになるよう調整した。タンパク源を加水分解する酵素は、セリンプロテアーゼとして、プロテアーゼP「アマノ」3SD(Aspergillus melleus由来、天野エンザイム社製)、ビオプラーゼOP(Bacillus clausii由来、ナガセケムテック社製)、アスパラギン酸プロテアーゼとして、プロテアーゼM「アマノ」SD(Aspergillus oryzae由来、天野エンザイム社製)、オリエンターゼA20(Aspergillus niger由来、エイチビィアイ社製)、金属プロテアーゼとして、アロアーゼAP-10(Bacillus subtilis由来、ヤクルト薬品工業社製)、ウマミザイムG(Aspergillus oryzae由来、天野エンザイム社製)、システインプロテアーゼとして、パパインDFをそれぞれ用いた。それぞれの酵素の至適温度に加温した後、各酵素0.02gを添加して4時間攪拌し酵素分解反応を行った。反応液を90℃に加温し、酵素失活させた。冷却後、セライトを用いて濾過した。濾液を限外濾過膜に透過させて、分子量5,000以上の画分を除いた後、凍結乾燥してDPPIV阻害ペプチド組成物の粉末を得た。白子に含まれるDNAの分子量は数万以上であるため、これらの処理により高分子のDNAは抽出、除去されていると考えられる。
(DPPIVの活性測定)
実施例1で得られた各DPPIV阻害ペプチド組成物について、DPPIV阻害活性の測定を行った。測定はDPPIV Drug Discovery Assay Kit(Enzo life sciences Inc.製)を一部改変して行った。DPPIV酵素の基質としてAMC基質(H-Gly-Pro-アミノ-4-メチルクマリン、BML-P189-9090;Biomol社製)を用い、酵素としてDPPIV(Human、recombinant;Biomol社製)、対照阻害剤として、ディプロチンA(DiprotinA、株式会社ペプチド研究所製)を使用した。すなわち、96穴プレートに25μLの50mM Tris緩衝液(pH 7.5)及び実施例1で得られた高分子化合物を分画除去した後の加水分解物水溶液(3mg/mL)10μL、DPPIV(0.002 mU/μL)溶液 15μLを添加、混和し、37℃でプレインキュベーションした。この溶液に対して、37℃でプレインキュベーションしたAMC基質溶液(0.01mM)を50μL添加し、マイクロプレートリーダー(GENio Pro、TECAN社製)にて励起波長340nm、測定波長460nmにおける蛍光強度を5分間おきに30分間測定した。サンプル無添加のものの活性を100%として、各サンプルの相対的な活性を算出した。各サンプルは3反復で測定し、平均値を求めた。
(SDラットに対するデンプン負荷試験)
試験には明暗周期12時間(午前7時~午後7時点灯)、室温20~24℃、湿度43~61%、飼料(CRF-1、オリエンタル酵母工業株式会社製)及び飲水(水道水)自由摂取の環境下で1週間馴化飼育したSDラット(Slc:SD、7週齢)を用いた。馴化最終日の夕方から一晩16時間以上の絶食を行った後、体重別層化無作為抽出法にて各群5匹に群分けした。
(ペプチド組成物の活性測定)
原料調査を目的として、シロサケの白子(サケ白子)、プロタミン、サケ皮由来のコラーゲン(サケ皮コラーゲン)、アメリカオオアカイカの白子(イカ白子)それぞれにHClを添加して加水分解し、アミノ酸分析装置JLC-500/V2(JEOL社製)を用いてアミノ酸組成(mol%)を測定した。測定結果を表2に示す。
・加水分解酵素A
アロアーゼAP-10(金属プロテアーゼ):シロサケ白子、イカ白子
・加水分解酵素B
アルカラーゼ 2.4L FG(セリンプロテアーゼ):シロサケ白子、イカ白子
・加水分解酵素C
プロテアーゼP「アマノ」3SD(セリンプロテアーゼ):シロサケ白子
・加水分解酵素D
パパイン(システインプロテアーゼ):サケ皮
得られた各ペプチド組成物を蒸留水に3mg/mLの濃度で溶解し、0.45μmのメンブレンフィルター処理を行った後、DPPIV阻害活性試験を実施例2と同様にして行った。結果を表
3に示す。
(活性ペプチドの濃縮法)
実施例4で得られた各素材由来のペプチド組成物サンプル100mgをそれぞれ個々に用いて蒸留水に溶解し、蒸留水で平衡化したSep-Pak(登録商標) カラム(C18 6cc: Waters社製)に供し、蒸留水で洗浄後、吸着画分を含水エタノールにて溶出した。得られた溶出液をエバポレーターで乾固し、ペプチド組成物濃縮画分を得た。このようにして得られた溶出画分はそのままDPPIV阻害活性ペプチド組成物として利用可能である。
(活性ペプチドの探索)
実施例5で得られたサケ白子由来のペプチド組成物濃縮画分中に含有している強力なDPPIV阻害ペプチドのそれぞれを分離処理することとした。
<HPLC分析条件>
・HPLCシステム:(株)島津製作所製 Prominenceシリーズ(システムコントローラー:CBM-20A、オートサンプラー:SIL-20A、送液ポンプ:LC-20AB Binary pump、カラムオーブン:CTO-20A、PDA検出器:SPD-M20A(測定波長 190-700nm))
・カラム:Xterra MS C18 3.5μm、2.1×100 mm(Waters社製)
・カラム温度:40℃
・移動相A:H2O(0.1容量%TFA含有、関東化学製、LC-MS用)
・移動相B:メタノール(関東化学製、LC-MS用)
・グラジエント:0~15分にかけてB液3容量%保持し、15~45分にかけてB液3容量%からB液60容量%へのリニアグラジエント、45-50分にかけてB液60容量%保持。
・分析時間:50分
・流量:0.1mL/min
・注入量:1μL
<IT-TOFMS検出条件>
・システム:(株)島津製作所製 LCMS-IT-TOF(イオン化モード:ESI+、霧化ガス流量:1.5L/min、印加電圧:1.7kV、CDL温度:200℃、BH温度:200℃、測定範囲MS:m/z 100-1500、MS/MS:50-1000)
(実施例7)
(同定ペプチドの活性測定)
実施例6におけるLC-MS解析で同定されたペプチドを合成し、蒸留水に溶解してそのDPPIV阻害活性を実施例2と同様にして求めた。まず、各ペプチド溶液を段階希釈して各々の阻害活性を求め、阻害活性(%)とサンプル濃度の対数(Log10)の関係式から逆算して、各サンプルの50%阻害濃度(IC50値)を求めた。合成ペプチドのDPPIV阻害活性を比較した結果を表4に示す。同定された18種類のペプチドのうち、10種類はIC50値が100μM以下であり、非常に高いDPPIV阻害活性を示した。
(活性ペプチド含量測定)
実施例4で得られた各素材からのペプチド組成物濃縮画分を蒸留水にて2mg/mLの濃度で溶解し、0.45μmのメンブレンフィルター処理を行い、活性ペプチド含量測定に用いた。また、シロサケ白子を原料としたDNA製造におけるDNA抽出分離後の残留物としての副産物を元に、同様のペプチド組成物を調製し、活性ペプチド含量を測定した。JMS LCmate(JEOL社製)を用いて、上記で同定されたペプチドのうちIP、VPI、VPL、IPI、LPL、LPI、IPLを下記条件Aで定量した。また、上記で同定されたペプチドのうち、FPVG、LPVL、VPFP、LPFを下記条件Bで定量した。定量結果及び上記実施例における同定ペプチドのDPPIV阻害活性IC50値(μM)を用いて、以下の式にて活性寄与率を算出した。
(同定ペプチド定量条件A)
<HPLC分析条件>
・HPLCシステム:Alliance Waters 2695(Waters社製)
・カラム:Discovery(登録商標) HS F5、5μm、2.1×250mm(SUPELCO社製)
・移動相A:H2O(0.1容量%ギ酸および0.01容量%TFA含有、関東化学製、LC-MS用)
・移動相B:メタノール(関東化学製、LC-MS用)
・グラジエント:0~30分にかけてB液40容量%からB液80容量%へのリニアグラジエント、30-35分にかけてB液80容量%保持。
・分析時間:35分
・流量:0.2mL/min
・注入量:5μL
<MS検出条件>
・システム:JMS-LCmate(JEOL社製)
・イオン化モード:ESI+、SIM測定イオン:m/z:229.2、328.2、342.2
(同定ペプチド定量条件B)
<HPLC分析条件>
・HPLCシステム:Alliance Waters 2695(Waters社製)
・カラム:XTerra(登録商標) Phenyl 3.5μm、4.6 × 100mm Column (Waters社製)
・移動相A:H2O(0.1容量%ギ酸および0.01容量%TFA含有、関東化学製、LC-MS用)
・移動相B:メタノール(関東化学製、LC-MS用)
・グラジエント:0~4分にかけてB液40容量%保持し、4~24分にかけてB液40容量%からB液60容量%へのリニアグラジエント、24-29分にかけてB液60容量%保持。
・分析時間:29分
・流量:0.2mL/min
・注入量:5μL
<MS検出条件>
・システム:JMS-LCmate(JEOL社製)
・イオン化モード:ESI+、SIM測定イオン:m/z:376.2、419.2、441.3、459.3
定量試験の結果[各ペプチド組成物(1g)中の活性ペプチドの含有量(mg/g)]を表5に示す。DPPIV阻害活性の低いサケ皮由来のコラーゲンペプチドでは今回同定されたペプチドは検出されなかった。一方、DPPIV阻害活性の確認されたイカ白子由来のペプチド組成物には、上記活性ペプチドが検出され、本活性ペプチドがこれらペプチド組成物のDPPIV阻害活性に寄与していることが明らかとなった。また、これらの活性ペプチドのうち、複数のペプチドを含むペプチド組成物がDPPIV阻害活性を示すことを見出した。
(各魚介類白子由来ペプチド組成物のDPPIV阻害活性およびペプチド含量)
各魚介類(シロサケ、カラフトマス、ニシン、マダラ、カツオ、ブリ(ハマチ)、イカ)白子を原料とし、実施例1の方法に倣い、ペプチド組成物を得た。すなわち、各魚種白子粉砕処理物10gに対して加水し、溶液をpH8.0に調整した後、酵素(プロテアーゼP「アマノ」3SD)0.016gを添加し、50℃5時間の酵素分解反応を行った。反応後、反応液を90℃に加温して酵素失活させ、冷却した後、セライトを用いて濾過した。濾液を凍結乾燥し、DPPIV阻害ペプチド組成物の粉末を得た。
(活性ペプチド定量条件C)
<UPLC分析条件>
・UPLCシステム:ACQUITY(Waters社製)
・カラム:ACQUITY HSS PFP、1.8μm、2.1×150mm (Waters社製)
・移動相A:H2O(0.1容量%ギ酸含有、関東化学製、LC-MS用)
・移動相B:メタノール(関東化学製、LC-MS用)
・グラジエント:0~15分にかけてB液20容量%からB液72容量%へのリニアグラジエント、15-20分にかけてB液80容量%保持。
・分析時間:20分
・流量:0.2mL/min
<MS検出条件>
・システム:Xevo-TQD(Waters社製)
・イオン化モード:ESI+、MS MRM測定 precursor/product ions (Q1/Q3):IP=229.1/86.0, VPI=328.2/229.1, VPL=328.2/229.1, IPI=342.1/229.1, LPL=342.1/229.1, IPL=342.2/229.1, LPF=376.1/263.2, FPVG=419.2/120.0, LPVL=441.3/169.1, VPFP=459.2/197.1
定量した結果[各ペプチド組成物中の活性ペプチドの含有量(mg/100g)]を表7に示す。今回サンプルとして用いたいずれの魚種からもDPPIV阻害活性ペプチドが検出された
。
Claims (20)
- ジペプチジルペプチダーゼIV(DPPIV)阻害用の組成物であって、
魚介類の白子由来のタンパク源の加水分解により得られるDPPIV阻害活性を有するペプチド化合物を含むことを特徴とする組成物。 - 前記魚介類が、サケ類、カラフトマス、ニシン、マダラ、カツオ、ブリ(ハマチ)、イカの一種以上からなる請求項1に記載の組成物。
- 前記ペプチド化合物が、DPPIV阻害活性による血糖値上昇抑制効果を有する請求項1または2に記載の組成物。
- 前記魚介類の白子由来のタンパク源が、魚介類の白子からのプロタミン及び/またはDNAの抽出工程で得られる副産物としての抽出残留物中に含まれるタンパク源である請求項1から3のいずれか1項に記載の組成物。
- 前記ペプチド化合物として、Phe-Pro-Val-Gly及びその塩、Ile-Pro-Leu及びその塩、Leu-Pro-Val-Leu及びその塩、並びにVal-Pro-Phe-Pro及びその塩から選択される少なくとも1種を含む請求項1から4のいずれか1項に記載の組成物。
- Phe-Pro-Val-Gly及びその塩、Ile-Pro-Leu及びその塩、Leu-Pro-Val-Leu及びその塩、並びにVal-Pro-Phe-Pro及びその塩から選択される少なくとも1種をジペプチジルペプチダーゼIV(DPPIV)阻害活性成分として含むことを特徴とするDPPIV阻害用の組成物。
- 前記DPPIV阻害活性による血糖値上昇抑制効果を有する請求項6に記載の組成物。
- 医薬用である請求項1から7のいずれか1項に記載の組成物。
- 請求項1から7のいずれか1項に記載の組成物を含む食品。
- 請求項1から7のいずれか1項に記載の組成物を含むペットフード。
- Phe-Pro-Val-Gly及びその塩、Ile-Pro-Leu及びその塩、並びにLeu-Pro-Val-Leu及びその塩から選択される少なくとも1種のペプチド化合物。
- ジペプチジルペプチダーゼIV(DPPIV)阻害活性を有する加水分解物の製造方法であって、
魚介類の白子由来のタンパク源を加水分解してDPPIV阻害活性を有する加水分解物を得る工程
を有することを特徴とするDPPIV阻害活性を有する加水分解物の製造方法。 - 前記魚介類が、サケ類、カラフトマス、ニシン、マダラ、カツオ、ブリ(ハマチ)、イカの一種以上からなる請求項12に記載の製造方法。
- 前記加水分解物が、DPPIV阻害活性による血糖値上昇抑制効果を有する請求項12または13に記載の製造方法。
- 前記魚介類の白子由来のタンパク源が、魚介類の白子からのプロタミン及び/またはDNAの抽出工程で得られる副産物としての抽出残留物中に含まれるタンパク源である請求項12から14のいずれか1項に記載の製造方法。
- 前記加水分解を、タンパク源を加水分解する酵素の存在下により行う請求項12から15のいずれか1項に記載の製造方法。
- 前記タンパク源を加水分解する酵素が、セリンプロテアーゼ、アスパラギン酸プロテアーゼ、金属プロテアーゼ及びシステインプロテアーゼの少なくとも1種である請求項16に記載の製造方法。
- 前記加水分解を、Phe-Pro-Val-Gly及びその塩、Ile-Pro-Leu及びその塩、Leu-Pro-Val-Leu及びその塩、並びにVal-Pro-Phe-Pro及びその塩から選択される少なくとも1種が前記加水分解物に含まれる条件で行う請求項12から17のいずれか1項に記載の製造方法。
- 請求項12から18のいずれか1項に記載の製造方法により得られるDPPIV阻害活性を有する加水分解物を含むことを特徴とするDPPIV阻害活性のための組成物。
- ジペプチジルペプチダーゼIV(DPPIV)阻害活性を有するペプチド化合物の製造方法であって、
請求項12から18のいずれか1項に記載の製造方法により加水分解物を得る工程と、
前記加水分解物から、DPPIV阻害活性を有するペプチド化合物を単離する工程と、
を有することを特徴とするDPPIV阻害活性を有するペプチド化合物の製造方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020167000641A KR101771867B1 (ko) | 2013-06-12 | 2014-05-19 | 디펩티딜 펩티다아제 ⅳ (dppⅳ) 저해 펩티드 화합물, 그것을 함유하는 조성물, 및 그 제조 방법 |
| JP2015522675A JP5952967B2 (ja) | 2013-06-12 | 2014-05-19 | ジペプチジルペプチダーゼiv(dppiv)阻害ペプチド化合物、それを含有する組成物、及びその製造方法 |
| CN201480033452.8A CN105392797B (zh) | 2013-06-12 | 2014-05-19 | 二肽基肽酶-iv(dppiv)抑制性肽化合物,包含所述肽化合物的组合物,及其制备方法 |
| US14/897,891 US9868764B2 (en) | 2013-06-12 | 2014-05-19 | Dipeptidyl peptidase-IV (DPPIV), inhibitory peptide compound, composition containing the same, and production method for the same |
| US15/836,300 US10513538B2 (en) | 2013-06-12 | 2017-12-08 | Dipeptidyl peptidase-IV (DPPIV), inhibitory peptide compound, composition containing the same, and production method for the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013123727 | 2013-06-12 | ||
| JP2013-123727 | 2013-06-12 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US14/897,891 A-371-Of-International US9868764B2 (en) | 2013-06-12 | 2014-05-19 | Dipeptidyl peptidase-IV (DPPIV), inhibitory peptide compound, composition containing the same, and production method for the same |
| US15/836,300 Division US10513538B2 (en) | 2013-06-12 | 2017-12-08 | Dipeptidyl peptidase-IV (DPPIV), inhibitory peptide compound, composition containing the same, and production method for the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014199780A1 true WO2014199780A1 (ja) | 2014-12-18 |
Family
ID=52022081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2014/063238 Ceased WO2014199780A1 (ja) | 2013-06-12 | 2014-05-19 | ジペプチジルペプチダーゼiv(dppiv)阻害ペプチド化合物、それを含有する組成物、及びその製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US9868764B2 (ja) |
| JP (1) | JP5952967B2 (ja) |
| KR (1) | KR101771867B1 (ja) |
| CN (1) | CN105392797B (ja) |
| MY (1) | MY165122A (ja) |
| WO (1) | WO2014199780A1 (ja) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016164136A (ja) * | 2015-02-26 | 2016-09-08 | ヤマキ株式会社 | 鰹節由来のジペプチジルペプチダーゼiv阻害組成物 |
| CN106519021A (zh) * | 2016-12-20 | 2017-03-22 | 广西品位生物科技有限公司 | 一种鳕鱼胶原蛋白的制备方法 |
| CN109295140A (zh) * | 2018-10-22 | 2019-02-01 | 浙江海洋大学 | 一种日本黄姑鱼鱼鳔胶原蛋白源二肽基肽酶-iv抑制肽的制备方法 |
| JP2022001029A (ja) * | 2020-06-22 | 2022-01-06 | 国立大学法人東京工業大学 | ジペプチジルペプチダーゼ−iv阻害剤及びそれを含む食品組成物 |
| JP2022179925A (ja) * | 2021-05-24 | 2022-12-06 | 国立大学法人北海道大学 | 糖の吸収抑制用剤 |
| CN115976144A (zh) * | 2023-03-21 | 2023-04-18 | 青岛海洋生物医药研究院股份有限公司 | 一种具有成骨活性的乌贼酶解产物的制备方法及应用 |
| KR20240105407A (ko) | 2021-11-05 | 2024-07-05 | 스미또모 가가꾸 가부시키가이샤 | Dpp-4 저해제 및 그 제조 방법. |
| US20250177472A1 (en) * | 2022-06-02 | 2025-06-05 | Rousselot B.V. | Hydrolyzed collagen for use in reducing blood glucose |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2021411B1 (en) * | 2018-07-31 | 2020-02-05 | Newtricious Bv | Protein hydrolysate for short term renal functioning |
| CN109734776B (zh) * | 2018-10-23 | 2020-10-20 | 渤海大学 | 一种具有ace抑制活性和dpp-iv抑制活性的三肽 |
| CN110800858B (zh) * | 2019-11-22 | 2021-06-15 | 中国农业大学 | 一种鲟鱼蛋白肽粉及其制备方法与应用 |
| CN114621320B (zh) * | 2020-12-14 | 2024-05-24 | 清华大学 | 一种可用于减缓glp-1酶解的短肽及其组合物 |
| CN114751958A (zh) * | 2022-05-17 | 2022-07-15 | 哈尔滨腾凝科技有限公司 | 一种从三文鱼皮中提取抑制dpp-4活性多肽的方法 |
| CN120249432B (zh) * | 2025-06-05 | 2025-08-15 | 广州菲勒生物科技有限公司 | 一种具有阻断糖吸收作用的火麻仁蛋白肽的制备方法及其应用 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004515472A (ja) * | 2000-09-11 | 2004-05-27 | ドナルド ダブリュー. クフェ, | Muc1細胞外ドメインおよびそれから得られた癌治療組成物 |
| JP2007039424A (ja) * | 2005-07-01 | 2007-02-15 | Snow Brand Milk Prod Co Ltd | ジペプチジルペプチダーゼiv阻害剤 |
| JP2008525430A (ja) * | 2004-12-23 | 2008-07-17 | カンピナ ネーデルランド ホールディング ビー.ブイ. | Dpp−ivを阻害するペプチド中に濃縮されたタンパク質の加水分解物及びその使用 |
| WO2011039999A1 (ja) * | 2009-10-02 | 2011-04-07 | 株式会社 ファイナルフューチャーインターナショナル | 脂肪分解促進作用を有する組成物 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4915833B1 (ja) | 1970-03-12 | 1974-04-17 | ||
| US4093477A (en) | 1976-11-01 | 1978-06-06 | Hitachi Metals, Ltd. | Anisotropic permanent magnet alloy and a process for the production thereof |
| CA2277519A1 (en) * | 1997-01-10 | 1998-07-16 | Massachusetts Institute Of Technology | Treatments for neurotoxicity in alzheimer's disease by .beta.-amyloid peptides |
| JP3585778B2 (ja) | 1998-09-25 | 2004-11-04 | 株式会社白子 | 海苔の酵素分解組成物およびその用途 |
| JP3691685B2 (ja) | 1999-06-22 | 2005-09-07 | 株式会社バイオックス | 血糖値上昇抑制剤 |
| US20040018181A1 (en) * | 2000-09-11 | 2004-01-29 | KUFE Donald W. | MUC1 interference RNA compositions and methods derived therefrom |
| JP4357293B2 (ja) | 2001-06-27 | 2009-11-04 | スミスクライン ビーチャム コーポレーション | ジペプチジルペプチダーゼ阻害剤としてのフルオロピロリジン類 |
| BR0313101A (pt) * | 2002-08-12 | 2005-06-28 | Queensland Inst Med Res | Novos lipopeptìdeos imunogênicos que compreendem epitopos de linfócitos t-helper e linfócitos t citotóxicos (ctl), e métodos para sua produção e uso |
| JP2011201923A (ja) | 2005-07-01 | 2011-10-13 | Snow Brand Milk Products Co Ltd | ジペプチジルペプチダーゼiv阻害剤 |
| US20090131316A1 (en) | 2005-09-30 | 2009-05-21 | Morinaga Milk Industry Co., Ltd. | Glucagon-like peptide-1 secretagogue, glucagon-like peptide-1 secretagogue food or drink, inhibitor of postprandial rise in blood glucose, and inhibitory food or drink of postprandial rise in blood glucose |
| AU2007284651B2 (en) * | 2006-08-09 | 2014-03-20 | Institute For Systems Biology | Organ-specific proteins and methods of their use |
| WO2008066070A1 (fr) | 2006-11-29 | 2008-06-05 | Uha Mikakuto Co., Ltd. | Inhibiteur de dipeptidylpeptidase-iv |
| JP5199919B2 (ja) | 2008-03-04 | 2013-05-15 | 地方独立行政法人北海道立総合研究機構 | ヒトデコラーゲンペプチドを有効成分とする血糖値上昇抑制剤およびヒトデコラーゲンペプチドの製造方法 |
| JP4864064B2 (ja) | 2008-10-30 | 2012-01-25 | エムジーファーマ株式会社 | 抗糖尿病作用を有するペプチドおよびその用途 |
| JP5916387B2 (ja) | 2009-08-03 | 2016-05-11 | 株式会社カネカ | ジペプチジルペプチダーゼ−4阻害剤 |
-
2014
- 2014-05-19 WO PCT/JP2014/063238 patent/WO2014199780A1/ja not_active Ceased
- 2014-05-19 KR KR1020167000641A patent/KR101771867B1/ko not_active Expired - Fee Related
- 2014-05-19 CN CN201480033452.8A patent/CN105392797B/zh not_active Expired - Fee Related
- 2014-05-19 US US14/897,891 patent/US9868764B2/en not_active Expired - Fee Related
- 2014-05-19 JP JP2015522675A patent/JP5952967B2/ja active Active
- 2014-05-19 MY MYPI2015704512A patent/MY165122A/en unknown
-
2017
- 2017-12-08 US US15/836,300 patent/US10513538B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004515472A (ja) * | 2000-09-11 | 2004-05-27 | ドナルド ダブリュー. クフェ, | Muc1細胞外ドメインおよびそれから得られた癌治療組成物 |
| JP2008525430A (ja) * | 2004-12-23 | 2008-07-17 | カンピナ ネーデルランド ホールディング ビー.ブイ. | Dpp−ivを阻害するペプチド中に濃縮されたタンパク質の加水分解物及びその使用 |
| JP2007039424A (ja) * | 2005-07-01 | 2007-02-15 | Snow Brand Milk Prod Co Ltd | ジペプチジルペプチダーゼiv阻害剤 |
| WO2011039999A1 (ja) * | 2009-10-02 | 2011-04-07 | 株式会社 ファイナルフューチャーインターナショナル | 脂肪分解促進作用を有する組成物 |
Non-Patent Citations (3)
| Title |
|---|
| KAZUYOSHI YAZAWA: "Marine Vitamin no Kinosei to sono Oyo", JAPAN FOOD SCIENCE, vol. 40, no. 12, 2001, pages 61 - 68 * |
| KIRINO, Y. ET AL.: "Increased Plasma Dipeptidyl Peptidase IV (DPP IV) Activity and Decreased DPP IV Activity of Visceral But Not Subcutaneous Adipose Tissue in Impaired Glucose Tolerance Rats Induced by High-Fat or High- Sucrose Diet", BIOL. PHARM. BULL., vol. 32, no. 3, 2009, pages 463 - 467 * |
| TAKAHASHI, Y. ET AL.: "Effects of protamine hydrochloride from chum salmon milt on lipid metabolism in rats", FISH. SCI., vol. 77, 2011, pages 1045 - 1052 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016164136A (ja) * | 2015-02-26 | 2016-09-08 | ヤマキ株式会社 | 鰹節由来のジペプチジルペプチダーゼiv阻害組成物 |
| CN106519021A (zh) * | 2016-12-20 | 2017-03-22 | 广西品位生物科技有限公司 | 一种鳕鱼胶原蛋白的制备方法 |
| CN109295140A (zh) * | 2018-10-22 | 2019-02-01 | 浙江海洋大学 | 一种日本黄姑鱼鱼鳔胶原蛋白源二肽基肽酶-iv抑制肽的制备方法 |
| CN109295140B (zh) * | 2018-10-22 | 2022-01-18 | 浙江海洋大学 | 一种日本黄姑鱼鱼鳔胶原蛋白源二肽基肽酶-iv抑制肽的制备方法 |
| JP2022001029A (ja) * | 2020-06-22 | 2022-01-06 | 国立大学法人東京工業大学 | ジペプチジルペプチダーゼ−iv阻害剤及びそれを含む食品組成物 |
| JP7655526B2 (ja) | 2020-06-22 | 2025-04-02 | 国立大学法人東京科学大学 | ジペプチジルペプチダーゼ-iv阻害剤及びそれを含む食品組成物 |
| JP2022179925A (ja) * | 2021-05-24 | 2022-12-06 | 国立大学法人北海道大学 | 糖の吸収抑制用剤 |
| JP7428991B2 (ja) | 2021-05-24 | 2024-02-07 | 国立大学法人北海道大学 | 糖の吸収抑制用剤 |
| KR20240105407A (ko) | 2021-11-05 | 2024-07-05 | 스미또모 가가꾸 가부시키가이샤 | Dpp-4 저해제 및 그 제조 방법. |
| US20250177472A1 (en) * | 2022-06-02 | 2025-06-05 | Rousselot B.V. | Hydrolyzed collagen for use in reducing blood glucose |
| CN115976144A (zh) * | 2023-03-21 | 2023-04-18 | 青岛海洋生物医药研究院股份有限公司 | 一种具有成骨活性的乌贼酶解产物的制备方法及应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105392797A (zh) | 2016-03-09 |
| JP5952967B2 (ja) | 2016-07-13 |
| KR20160030935A (ko) | 2016-03-21 |
| JPWO2014199780A1 (ja) | 2017-02-23 |
| US9868764B2 (en) | 2018-01-16 |
| US20180094027A1 (en) | 2018-04-05 |
| CN105392797B (zh) | 2020-10-09 |
| MY165122A (en) | 2018-02-28 |
| US10513538B2 (en) | 2019-12-24 |
| US20160194355A1 (en) | 2016-07-07 |
| KR101771867B1 (ko) | 2017-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5952967B2 (ja) | ジペプチジルペプチダーゼiv(dppiv)阻害ペプチド化合物、それを含有する組成物、及びその製造方法 | |
| Abuine et al. | Biological activity of peptides purified from fish skin hydrolysates | |
| Rivero-Pino et al. | Production and identification of dipeptidyl peptidase IV (DPP-IV) inhibitory peptides from discarded Sardine pilchardus protein | |
| Intarasirisawat et al. | Isolation of antioxidative and ACE inhibitory peptides from protein hydrolysate of skipjack (Katsuwana pelamis) roe | |
| Jiang et al. | Purification and characterization of antioxidative peptides from round scad (Decapterus maruadsi) muscle protein hydrolysate | |
| Aluko | Antihypertensive peptides from food proteins | |
| Toopcham et al. | Characterization and identification of angiotensin I-converting enzyme (ACE) inhibitory peptides derived from tilapia using Virgibacillus halodenitrificans SK1-3-7 proteinases | |
| Hernández-Ledesma et al. | Bioactive compounds from marine foods: plant and animal sources | |
| JP5176964B2 (ja) | ジペプチジルペプチダーゼiv阻害剤 | |
| García-Moreno et al. | Production and identification of angiotensin I-converting enzyme (ACE) inhibitory peptides from Mediterranean fish discards | |
| KR101174299B1 (ko) | 카세인 가수분해물, 그 제조법 및 그 용도 | |
| CA2880009C (en) | Collagen peptide composition production method, dpp-4 inhibitor, and antihyperglycemic agent | |
| Qin et al. | Preparation and antioxidant activity of enzymatic hydrolysates from purple sea urchin (Strongylocentrotus nudus) gonad | |
| KR20110060940A (ko) | 항염증성 펩티드 | |
| WO2012102308A1 (ja) | 糖尿病の治療または予防剤 | |
| CN104159912B (zh) | 二肽基肽酶iv 抑制剂 | |
| JP6517732B2 (ja) | Dpp−4阻害剤、血糖値上昇抑制剤およびdpp−4阻害用食品 | |
| WO2013133032A1 (ja) | ジペプチジルペプチダーゼ-iv阻害剤 | |
| Vo et al. | Iron-binding capacity and antidiabetic activity of baby clam (Corbiculidae sp.) meat protein hydrolysate | |
| CN101045744A (zh) | 源自胶原蛋白的抗氧化肽及其用途 | |
| JP2006347937A (ja) | 畜肉タンパク質由来の血圧降下ペプチド | |
| Tran et al. | Preparation and therapeutic biological activities of hydrolysate mixture produced from frog (Rana tigrina) skin using protease | |
| Falkenberg | Discovery and characterization of novel bioactive peptides from marine secondary products | |
| JP2006056805A (ja) | カルシウムチャンネル阻害剤 | |
| KR20230151204A (ko) | 아임계 수를 이용한 키조개 가수분해물의 제조방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 201480033452.8 Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14811001 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2015522675 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14897891 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 20167000641 Country of ref document: KR Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: IDP00201600138 Country of ref document: ID |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 14811001 Country of ref document: EP Kind code of ref document: A1 |






