CN108929381A - Skin emergency repair collagen tripeptide and preparation method thereof - Google Patents

Skin emergency repair collagen tripeptide and preparation method thereof Download PDF

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CN108929381A
CN108929381A CN201810869989.8A CN201810869989A CN108929381A CN 108929381 A CN108929381 A CN 108929381A CN 201810869989 A CN201810869989 A CN 201810869989A CN 108929381 A CN108929381 A CN 108929381A
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CN108929381B (en
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张露引
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Aldre (shanghai) Health Polytron Technologies Inc
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    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/78Connective tissue peptides, e.g. collagen, elastin, laminin, fibronectin, vitronectin or cold insoluble globulin [CIG]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • A61Q19/08Anti-ageing preparations
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P21/00Preparation of peptides or proteins
    • C12P21/06Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products

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Abstract

The present invention provides a kind of skin emergency repair collagen tripeptides and preparation method thereof, and the invention belongs to nursing skin formulation arts.The present invention selects Mytilidae animal gelatin as raw material, prepares collagen tripeptide by dual-enzyme hydrolysis method, wherein double enzymes are plant rennet, is selected from bromelain, papain, ficin and Ginger Protease.The present invention is also made that improvement to the preparation method of the preparation method of raw material and collagen peptide.Collagen tripeptide prepared by the present invention, molecule is small, absorbs fastly, has good percutaneous absorbability, 24 hours transdermal absorption factors are up to 3780 μ g/cm2, 30 minutes free radical scavenging activities reach as high as 86%, can be used for the emergency repair of skin.

Description

Skin emergency repair collagen tripeptide and preparation method thereof
Technical field
The present invention relates to nursing skin formulation art, especially a kind of skin emergency repair collagen tripeptide and its preparation side Method.
Background technique
Main component of the collagen as extracellular matrix is the typical fibers albumen in multicellular animals, accounts for body The 25-30% of total protein content is the most abundant protein of content in animal, has special mechanical performance and biological nature. In recent years, as that studies collagen deepens continuously, the application in medical domain, beauty culture and food industry is also got over Come more extensive, collagen has been considered as one kind and has excellent performance, is widely used and the very high natural biological of Development volue at present Substance.
Collagen polypeptide can be dissolved completely in water, and aqueous solution low-viscosity also has mobility, acid resistance under 60% high concentration Good, without precipitating in the case where acid, alkali, high temperature resistance is good, and 200 DEG C of heating are also without precipitating.Since its molecular mass is smaller, So being easier to be absorbed by the body.For collagen polypeptide compared with vegetable protein, absorption rate is higher, and degree of absorption can reach, and not have There is allergic reaction, and the absorption of other protein in food can be promoted.
The production method of protein hydrolysate is divided into chemical degradation method and enzyme edman degradation Edman.Chemical method is with chemistry such as acid, alkali Reagent promotes the skin chain of protein molecule to break to form small-molecule substance at a certain temperature.Acid system mostly uses hydrochloric acid, sulfuric acid etc. Strong acid reacts at high temperature, strong reaction, equipment seriously corroded, and hydrolysis thoroughly, generates ispol, while in high temperature more Lower tryptophan is destroyed completely.Alkali process hydrolysis can also make natural l-amino acid racemization, moreover it is possible to form noxious material, inanimate object benefit With value, therefore should not use.
Arrived in the 1980s, with Enzymes Industry and food industry fast development, it has been found that enzymatic hydrolysis Reaction temperature is low, and the reaction time is short, non-environmental-pollution.Product nutritive value is high, instant based on polypeptide and type free amino acid Property it is good, be easy to human consumption's absorption, thus attention has focused on using on enzymic hydrolysates.
There are alkali protease, neutral proteinase, papain, trypsase, stomach egg using wider protease at present White enzyme, flavor protease Flavourzyme, compound protease Protamex etc..
In the prior art, " Enzymatic Production of Flatfish Skin Collagen Oligopeptide " (food research and development, 2006,27 (8): 104-107.) selected works hydrolysis by novo flatfish skin, has obtained collagen peptide, and maximum degree of hydrolysis is 22.36%.Authorization Notification number provides a kind of enzyme with ginger rhizome for the Chinese invention patent of 104540960 B of CN and obtains glue to decompose collagen Former peptide.For another example, Authorization Notice No. is the Chinese invention patent of 101870995 B of CN, uses three step enzymatic isolation methods by raw material of fish-skin Prepare collagen tripeptide.
By above-mentioned document it is found that the raw material digested in the prior art selects skin or bone or the fish of mammal mostly Skin, rare report for using shell-fish as raw material.Shell-fish has as a kind of very common, widely distributed animal The huge business potential developed into collagen peptide raw material.
Summary of the invention
The present invention provides a kind of collagen tripeptides and preparation method thereof of skin emergency repair, utilize Mytilidae animal system Standby gelatin prepares collagen tripeptide by dual-enzyme hydrolysis method, effectively overcomes that collagen peptide raw material sources in the prior art are narrow to ask Topic.The collagen tripeptide of skin emergency repair provided by the invention, molecule is small, absorbs fastly, there is the emergency repair of excellent Skin effect, Transdermal absorption effect and radicals scavenging effect.
The present invention is achieved through the following technical solutions:
A kind of skin emergency repair collagen tripeptide, is prepared by Mytilidae animal gelatin.
Preferably, the Mytilidae animal is Xun Shi flesh clam.
Preferably, which is characterized in that the Mytilidae animal gelatin preparation step is as follows:
(1) it cleans: Mytilidae animal flesh is separated with shell, with 4-5 times of meat quality of water washing of Mytilidae animal, washing It is taken out after being impregnated 1-2 hours with 4-5 times of meat quality of Mytilidae animal of water again after the completion spare;
(2) it pre-processes: the Mytilidae animal flesh after cleaning being homogenized with tissue refiner, Mytilidae animal meat quality is added The water of 2-3 times of quality is heated to 80-100 DEG C, is kept for 10-30 minutes, obtains pretreatment fluid;
(3) carbohydrase is degraded: by pretreatment fluid acid solution adjusting pH value to 4.0-4.5, while adjusting the temperature to 60- 65 DEG C, carbohydrase is added and digests 2-3 hours, obtains enzymolysis liquid;
(4) enzyme-deactivating: being warming up to 95-100 DEG C for enzymolysis liquid, kept for 5-15 minutes, is cooled to 30-40 DEG C, centrifugal filtration, Filter residue is removed, enzyme-deactivating liquid is obtained;
(5) gel forming: cross-linking agent solution is mixed with enzyme-deactivating liquid, is stood 10-12 hours at room temperature, is obtained Mytilidae Animal gelatin;
The volume ratio of the cross-linking agent solution and enzyme-deactivating solution is 1:(4-5).
Preferably, the acid solution be 0.01-0.15mol/L hydrochloric acid solution, 0.01-0.5mol/L acetic acid aqueous solution, 0.01-0.5mol/L aqueous formic acid, 0.01-1.0mol/L benzoic acid aqueous solution, in 0.01-0.1mol/L aqueous citric acid solution Any one.
Preferably, the cross-linking agent solution is the transition metal salt of (2-3): 1:(30-40): chelating agent: water by molar ratio It is mixed to get;
The chelating agent is ethylenediamine, ethylenediamine tetra-acetic acid, triethylenetetraaminehexaacetic acid and cyclohexanediamine tetraacetic acid Any one in sodium.
Preferably, the transition metal salt is Fe3+、Co2+And Ni2+Water-soluble inorganic salt in any one or it is more Kind.
It is highly preferred that the transition metal salt is FeCl3And NiCl2Molar ratio is the mixed metal salt of 1:1.
Skin emergency repair collagen tripeptide preparation method, steps are as follows:
(1) water-soluble with hydrochloric acid solution or sodium hydroxide after heating Mytilidae animal gelatin 5-10 minutes at 70-80 DEG C Liquid adjusts pH value to the optimum pH value of protease A, while adjusting the temperature to the optimum temperature of protease A, and protease A is added Enzymatic hydrolysis 2-3 hour, then with 10-20wt% hydrochloric acid solution or 20-40wt% sodium hydrate aqueous solution adjusting pH value to Cathepsin B most Suitable pH value, while the optimum temperature of Cathepsin B is adjusted the temperature to, Cathepsin B is added and digests 2-3 hours, obtains gelatin Enzymolysis liquid;
The protease A and Cathepsin B is plant rennet, and protease A and Cathepsin B be not identical;
(2) enzymolysis liquid is warming up to 95-100 DEG C, is kept for 5-15 minutes, is cooled to 30-40 DEG C, centrifugal filtration takes supernatant Liquid is spray-dried to get skin emergency repair collagen tripeptide.
It is highly preferred that skin emergency repair collagen tripeptide preparation method, steps are as follows:
(1) water-soluble with hydrochloric acid solution or sodium hydroxide after heating Mytilidae animal gelatin 5-10 minutes at 70-80 DEG C Liquid adjusts pH value to the optimum pH value of protease A, while adjusting the temperature to the optimum temperature of protease A, and protease A is added Enzymatic hydrolysis 2-3 hours, then pH value is adjusted to the optimum pH value of Cathepsin B with hydrochloric acid solution or sodium hydrate aqueous solution, it adjusts simultaneously Temperature is saved to the optimum temperature of Cathepsin B, Cathepsin B is added and digests 2-3 hours, obtains glutin hydrolysate;
The protease A and Cathepsin B is plant rennet, and protease A and Cathepsin B be not identical;
(2) lotus root starch is added into glutin hydrolysate, stands 1-2 hours, is warming up to 95-100 DEG C, is kept for 5-15 minutes, it is cold But to 30-40 DEG C, centrifugation takes supernatant, is spray-dried to get skin emergency repair collagen tripeptide;
The additive amount of the lotus root starch is the 5-20% of Mytilidae animal gelatin quality.
Preferably, the plant rennet is bromelain, papain, ficin or Zingibain Enzyme.
Preferably, the lotus root starch preparation method is after saving lotus root 0.5-3 hours at -20 DEG C, to be added in refiner, add Enter the organic solvent of 3-5 times of quality of lotus root, is homogenized 2-3 minutes, obtains homogenate, the acetone washing with 5 times of lotus root starch quality is primary, mistake Filter, natural air drying is at room temperature to get lotus root starch;
The organic solvent is methyl phenyl ethers anisole, three fourth Methyl ethers or methylisobutylketone.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and following embodiment is merely illustrative this Invention, is not intended to limit the present invention.
Specifically, the raw material or equipment source used in the following embodiments is as follows:
Xun Shi flesh clam, Classification system are Musculus senhousei, are purchased from Shantou Anping road fish market.
Lotus root, Classification system are Nelumbo nucifera Gaertn, are purchased from the market Shantou Xia Shan.
Tissue refiner is the DS-1 type tissue refiner of Hangzhou Xu Qing Science and Technology Ltd. production.
Hydrochloric acid, No. CAS: 7647-01-0.
Citric acid, No. CAS: 77-92-9.
Sodium hydroxide, No. CAS: 1310-73-2.
Carbohydrase, 80,000 U/g albumen of enzyme activity, the production of Shandong Kang Qin Biotechnology Co., Ltd.
Papain, 500,000 U/g albumen of enzyme activity, the production of Shanghai Li Zhu east wind Biotechnology Co., Ltd.
Ginger Protease presses " research of Ginger Protease enzyme activity determination method " (food science and technology, 2010 (1): 277- 281.) a text preparation, and measuring Zingibain activity obtained according to the method for this article is 140,000 U/g albumen.
NiCl2, No. CAS: 7718-54-9.
FeCl3, No. CAS: 7705-08-0.
Ethylenediamine tetra-acetic acid, No. CAS: 60-00-4.
Methyl phenyl ethers anisole, No. CAS: 100-66-3.
Methylisobutylketone, No. CAS: 108-10-1.
Embodiment 1
A kind of skin emergency repair collagen tripeptide is prepared by Xun Shi flesh clam gelatin.
Xun Shi flesh clam gelatin preparation step is as follows:
(1) it cleans: Xun Shi flesh clam meat is separated with shell, with 5 times of quality of water washing of Xun Shi flesh clam meat, after the completion of washing It is taken out after being impregnated 2 hours with 5 times of quality of Xun Shi flesh clam meat of water again spare;
(2) it pre-processes: the Xun Shi flesh clam meat after cleaning being homogenized with tissue refiner, is homogenized 3 points with 10000rpm revolving speed The water of 2 times of quality of Xun Shi flesh clam meat quality is added in clock, is heated to 80 DEG C, is kept for 15 minutes, obtains pretreatment fluid;
(3) carbohydrase is degraded: by pretreatment fluid 0.02mol/L hydrochloric acid solution adjusting pH value to 4.2, while adjusting temperature To 65 DEG C, the glucoamylase enzyme that Xun Shi flesh clam meat quality 3% is added is digested 3 hours, obtains enzymolysis liquid;
(4) enzyme-deactivating: being warming up to 100 DEG C for enzymolysis liquid, keep 10min, is cooled to 40 DEG C, and 4000rpm is centrifuged 10 minutes, It takes supernatant to cross 200 meshes, removes filter residue, obtain enzyme-deactivating liquid;
(5) gel forming: cross-linking agent solution is mixed with enzyme-deactivating liquid, stands 12 hours at room temperature, and it is dynamic to obtain Mytilidae Object gelatin;
The volume ratio of the cross-linking agent solution and enzyme-deactivating solution is 1:5.
The NiCl that the cross-linking agent solution is 3:1:36 by molar ratio2: ethylenediamine tetra-acetic acid: water is mixed to get;
Skin emergency repair collagen tripeptide preparation method, steps are as follows:
(1) after Xun Shi flesh clam gelatin being heated 6 minutes at 70 DEG C, with 30wt% sodium hydrate aqueous solution adjust pH value to 6.5, while temperature 60 C is adjusted, papain enzymolysis 2 hours of Xun Shi flesh clam gelatin quality 3% are added, then use 30wt% Sodium hydrate aqueous solution adjusts pH value to 7.0, while adjusting the temperature to 50 DEG C, and the ginger of Xun Shi flesh clam gelatin quality 3% is added Protease hydrolyzed 2 hours, obtain glutin hydrolysate;
(2) glutin hydrolysate is warming up to 100 DEG C, keeps 10min, be cooled to 30 DEG C, 5000rpm is centrifuged 5 minutes, is taken Clear liquid, with 150 DEG C of inlet air temperature, 70 DEG C of leaving air temp spray drying are to get skin emergency repair collagen tripeptide.
Embodiment 2
A kind of skin emergency repair collagen tripeptide is prepared by Xun Shi flesh clam gelatin.
Xun Shi flesh clam gelatin preparation step is as follows:
(1) it cleans: Xun Shi flesh clam meat is separated with shell, with 5 times of quality of water washing of Xun Shi flesh clam meat, after the completion of washing It is taken out after being impregnated 2 hours with 5 times of quality of Xun Shi flesh clam meat of water again spare;
(2) it pre-processes: the Xun Shi flesh clam meat after cleaning being homogenized with tissue refiner, is homogenized 3 points with 10000rpm revolving speed The water of 2 times of quality of Xun Shi flesh clam meat quality is added in clock, is heated to 80 DEG C, is kept for 15 minutes, obtains pretreatment fluid;
(3) carbohydrase is degraded: by pretreatment fluid 0.02mol/L hydrochloric acid solution adjusting pH value to 4.2, while adjusting temperature To 65 DEG C, the carbohydrase that Xun Shi flesh clam meat quality 3% is added is digested 3 hours, obtains enzymolysis liquid;
(4) enzyme-deactivating: being warming up to 100 DEG C for enzymolysis liquid, keep 10min, is cooled to 40 DEG C, and 4000rpm is centrifuged 10 minutes, 200 meshes are crossed, filter residue is removed, obtains enzyme-deactivating liquid;
(5) gel forming: cross-linking agent solution is mixed with enzyme-deactivating liquid, stands 12 hours at room temperature, and it is dynamic to obtain Mytilidae Object gelatin;
The volume ratio of the cross-linking agent solution and enzyme-deactivating solution is 1:5.
The NiCl that the cross-linking agent solution is 3:1:36 by molar ratio2: ethylenediamine tetra-acetic acid: water is mixed to get;
Skin emergency repair collagen tripeptide preparation method, steps are as follows:
(1) after Xun Shi flesh clam gelatin being heated 6 minutes at 70 DEG C, with 30wt% sodium hydrate aqueous solution adjust pH value to 6.5, while temperature 60 C is adjusted, papain enzymolysis 2 hours of Xun Shi flesh clam gelatin quality 3% are added, then use 30wt% Sodium hydrate aqueous solution adjusts pH value to 7.0, while adjusting the temperature to 50 DEG C, and the ginger of Xun Shi flesh clam gelatin quality 3% is added Protease hydrolyzed 2 hours, obtain glutin hydrolysate;
(2) lotus root starch is added into glutin hydrolysate, stands 2 hours, glutin hydrolysate is warming up to 100 DEG C, is kept 10min is cooled to 30 DEG C, and 5000rpm is centrifuged 5 minutes, takes supernatant, and with 150 DEG C of inlet air temperature, 70 DEG C of leaving air temp spraying dry It is dry to get skin emergency repair collagen tripeptide;
The additive amount of the lotus root starch is the 10% of Xun Shi flesh clam gelatin quality;
Lotus root starch preparation method is after saving lotus root 2 hours at -20 DEG C, and slice is added in refiner, and 3 times of quality of lotus root are added Methyl phenyl ethers anisole, 10000rpm be homogenized 3 minutes, obtain homogenate, the acetone washing with 5 times of quality of lotus root is primary, cross 1000 meshes, institute Solid at room temperature natural air drying to get lotus root starch.
Embodiment 3
A kind of skin emergency repair collagen tripeptide is prepared by Xun Shi flesh clam gelatin.
Xun Shi flesh clam gelatin preparation step is as follows:
(1) it cleans: Xun Shi flesh clam meat is separated with shell, with 5 times of quality of water washing of Xun Shi flesh clam meat, after the completion of washing It is taken out after being impregnated 2 hours with 5 times of quality of Xun Shi flesh clam meat of water again spare;
(2) it pre-processes: the Xun Shi flesh clam meat after cleaning being homogenized with tissue refiner, is homogenized 3 points with 10000rpm revolving speed The water of 2 times of quality of Xun Shi flesh clam meat quality is added in clock, is heated to 80 DEG C, is kept for 15 minutes, obtains pretreatment fluid;
(3) carbohydrase is degraded: by pretreatment fluid 0.02mol/L hydrochloric acid solution adjusting pH value to 4.2, while adjusting temperature To 65 DEG C, the carbohydrase that Xun Shi flesh clam meat quality 3% is added is digested 3 hours, obtains enzymolysis liquid;
(4) enzyme-deactivating: being warming up to 100 DEG C for enzymolysis liquid, keep 10min, is cooled to 40 DEG C, and 4000rpm is centrifuged 10 minutes, 200 meshes are crossed, filter residue is removed, obtains enzyme-deactivating liquid;
(5) gel forming: cross-linking agent solution is mixed with enzyme-deactivating liquid, stands 12 hours at room temperature, and it is dynamic to obtain Mytilidae Object gelatin;
The volume ratio of the cross-linking agent solution and enzyme-deactivating solution is 1:5.
The NiCl that the cross-linking agent solution is 3:1:36 by molar ratio2: ethylenediamine tetra-acetic acid: water is mixed to get;
Skin emergency repair collagen tripeptide preparation method, steps are as follows:
(1) after Xun Shi flesh clam gelatin being heated 6 minutes at 70 DEG C, with 30wt% sodium hydrate aqueous solution adjust pH value to 6.5, while temperature 60 C is adjusted, papain enzymolysis 2 hours of Xun Shi flesh clam gelatin quality 3% are added, then use 30wt% Sodium hydrate aqueous solution adjusts pH value to 7.0, while adjusting the temperature to 50 DEG C, and the ginger of Xun Shi flesh clam gelatin quality 3% is added Protease hydrolyzed 2 hours, obtain glutin hydrolysate;
(2) lotus root starch is added into glutin hydrolysate, stands 2 hours, glutin hydrolysate is warming up to 100 DEG C, is kept 10min is cooled to 30 DEG C, and 5000rpm is centrifuged 5 minutes, takes supernatant, and with 150 DEG C of inlet air temperature, 70 DEG C of leaving air temp spraying dry It is dry to get skin emergency repair collagen tripeptide;
The additive amount of the lotus root starch is the 10% of Xun Shi flesh clam gelatin quality;
Lotus root starch preparation method is after saving lotus root 2 hours at -20 DEG C, and slice is added in refiner, and 3 times of quality of lotus root are added Methylisobutylketone, 10000rpm be homogenized 3 minutes, obtain homogenate, the acetone washing with 5 times of quality of lotus root is primary, cross 1000 mesh Sieve, obtained solid at room temperature natural air drying to get lotus root starch.
Embodiment 4
A kind of skin emergency repair collagen tripeptide is prepared by Xun Shi flesh clam gelatin.
Xun Shi flesh clam gelatin preparation step is as follows:
(1) it cleans: Xun Shi flesh clam meat is separated with shell, with 5 times of quality of water washing of Xun Shi flesh clam meat, after the completion of washing It is taken out after being impregnated 2 hours with 5 times of quality of Xun Shi flesh clam meat of water again spare;
(2) it pre-processes: the Xun Shi flesh clam meat after cleaning being homogenized with tissue refiner, is homogenized 3 points with 10000rpm revolving speed The water of 2 times of quality of Xun Shi flesh clam meat quality is added in clock, is heated to 80 DEG C, is kept for 15 minutes, obtains pretreatment fluid;
(3) carbohydrase is degraded: pretreatment fluid 0.05mol/L aqueous citric acid solution being adjusted pH value to 4.2, is adjusted simultaneously To 65 DEG C, the carbohydrase that Xun Shi flesh clam meat quality 3% is added digests 3 hours temperature, obtains enzymolysis liquid;
(4) enzyme-deactivating: being warming up to 100 DEG C for enzymolysis liquid, keep 10min, is cooled to 40 DEG C, and 4000rpm is centrifuged 10 minutes, 200 meshes are crossed, filter residue is removed, obtains enzyme-deactivating liquid;
(5) gel forming: cross-linking agent solution is mixed with enzyme-deactivating liquid, stands 12 hours at room temperature, and it is dynamic to obtain Mytilidae Object gelatin;
The volume ratio of the cross-linking agent solution and enzyme-deactivating solution is 1:5.
The NiCl that the cross-linking agent solution is 3:1:36 by molar ratio2: ethylenediamine tetra-acetic acid: water is mixed to get;
Skin emergency repair collagen tripeptide preparation method, steps are as follows:
(1) after Xun Shi flesh clam gelatin being heated 6 minutes at 70 DEG C, with 30wt% sodium hydrate aqueous solution adjust pH value to 6.5, while temperature 60 C is adjusted, papain enzymolysis 2 hours of Xun Shi flesh clam gelatin quality 3% are added, then use 30wt% Sodium hydrate aqueous solution adjusts pH value to 7.0, while adjusting the temperature to 50 DEG C, and the ginger of Xun Shi flesh clam gelatin quality 3% is added Protease hydrolyzed 2 hours, obtain glutin hydrolysate;
(2) lotus root starch is added into enzymolysis liquid, stands 2 hours, glutin hydrolysate is warming up to 100 DEG C, keeps 10min, it is cold But to 30 DEG C, 5000rpm is centrifuged 5 minutes, takes supernatant, with 150 DEG C of inlet air temperature, 70 DEG C of leaving air temp spray drying to get Skin emergency repair collagen tripeptide;
The additive amount of the lotus root starch is the 10% of Xun Shi flesh clam gelatin quality;Lotus root starch preparation method be by lotus root at -20 DEG C After saving 2 hours, slice is added in refiner, and the methylisobutylketone of 3 times of quality of lotus root is added, and 10000rpm is homogenized 3 minutes, obtains Homogenate, the acetone washing with 5 times of quality of lotus root is primary, cross 1000 meshes, obtained solid at room temperature natural air drying to get lotus root starch.
Embodiment 5
A kind of skin emergency repair collagen tripeptide is prepared by Xun Shi flesh clam gelatin.
Xun Shi flesh clam gelatin preparation step is as follows:
(1) it cleans: Xun Shi flesh clam meat is separated with shell, with 5 times of quality of water washing of Xun Shi flesh clam meat, after the completion of washing It is taken out after being impregnated 2 hours with 5 times of quality of Xun Shi flesh clam meat of water again spare;
(2) it pre-processes: the Xun Shi flesh clam meat after cleaning being homogenized with tissue refiner, is homogenized 3 points with 10000rpm revolving speed The water of 2 times of quality of Xun Shi flesh clam meat quality is added in clock, is heated to 80 DEG C, is kept for 15 minutes, obtains pretreatment fluid;
(3) carbohydrase is degraded: pretreatment fluid 0.05mol/L aqueous citric acid solution being adjusted pH value to 4.2, is adjusted simultaneously To 65 DEG C, the carbohydrase that Xun Shi flesh clam meat quality 3% is added digests 3 hours temperature, obtains enzymolysis liquid;
(4) enzyme-deactivating: being warming up to 100 DEG C for enzymolysis liquid, keep 10min, is cooled to 40 DEG C, and 4000rpm is centrifuged 10 minutes, 200 meshes are crossed, filter residue is removed, obtains enzyme-deactivating liquid;
(5) gel forming: cross-linking agent solution is mixed with enzyme-deactivating liquid, stands 12 hours at room temperature, and it is dynamic to obtain Mytilidae Object gelatin;
The volume ratio of the cross-linking agent solution and enzyme-deactivating solution is 1:5.
The FeCl that the cross-linking agent solution is 3:1:36 by molar ratio3: ethylenediamine tetra-acetic acid: water is mixed to get;
Skin emergency repair collagen tripeptide preparation method, steps are as follows:
(1) after Xun Shi flesh clam gelatin being heated 6 minutes at 70 DEG C, with 30wt% sodium hydrate aqueous solution adjust pH value to 6.5, while temperature 60 C is adjusted, papain enzymolysis 2 hours of Xun Shi flesh clam gelatin quality 3% are added, then use 30wt% Sodium hydrate aqueous solution adjusts pH value to 7.0, while adjusting the temperature to 50 DEG C, and the ginger of Xun Shi flesh clam gelatin quality 3% is added Protease hydrolyzed 2 hours, obtain glutin hydrolysate;
(2) lotus root starch is added into glutin hydrolysate, stands 2 hours, glutin hydrolysate is warming up to 100 DEG C, is kept 10min is cooled to 30 DEG C, and 5000rpm is centrifuged 5 minutes, takes supernatant, and with 150 DEG C of inlet air temperature, 70 DEG C of leaving air temp spraying dry It is dry to get skin emergency repair collagen tripeptide;
The additive amount of the lotus root starch is the 10% of Xun Shi flesh clam gelatin quality;
Lotus root starch preparation method is after saving lotus root 2 hours at -20 DEG C, and slice is added in refiner, and 3 times of quality of lotus root are added Methylisobutylketone, 10000rpm be homogenized 3 minutes, obtain homogenate, the acetone washing with 5 times of quality of lotus root is primary, cross 1000 mesh Sieve, obtained solid at room temperature natural air drying to get lotus root starch.
Embodiment 6
A kind of skin emergency repair collagen tripeptide is prepared by Xun Shi flesh clam gelatin.
Xun Shi flesh clam gelatin preparation step is as follows:
(1) it cleans: Xun Shi flesh clam meat is separated with shell, with 5 times of quality of water washing of Xun Shi flesh clam meat, after the completion of washing It is taken out after being impregnated 2 hours with 5 times of quality of Xun Shi flesh clam meat of water again spare;
(2) it pre-processes: the Xun Shi flesh clam meat after cleaning being homogenized with tissue refiner, is homogenized 3 points with 10000rpm revolving speed The water of 2 times of quality of Xun Shi flesh clam meat quality is added in clock, is heated to 80 DEG C, is kept for 15 minutes, obtains pretreatment fluid;
(3) carbohydrase is degraded: pretreatment fluid 0.05mol/L aqueous citric acid solution being adjusted pH value to 4.2, is adjusted simultaneously To 65 DEG C, the carbohydrase that Xun Shi flesh clam meat quality 3% is added digests 3 hours temperature, obtains enzymolysis liquid;
(4) enzyme-deactivating: being warming up to 100 DEG C for enzymolysis liquid, keep 10min, is cooled to 40 DEG C, and 4000rpm is centrifuged 10 minutes, 200 meshes are crossed, filter residue is removed, obtains enzyme-deactivating liquid;
(5) gel forming: cross-linking agent solution is mixed with enzyme-deactivating liquid, stands 12 hours at room temperature, and it is dynamic to obtain Mytilidae Object gelatin;
The volume ratio of the cross-linking agent solution and enzyme-deactivating solution is 1:5.
The FeCl that the cross-linking agent solution is 1.5:1.5:1:36 by molar ratio3: NiCl2: ethylenediamine tetra-acetic acid: water mixing It obtains;
Skin emergency repair collagen tripeptide preparation method, steps are as follows:
(1) after Xun Shi flesh clam gelatin being heated 6 minutes at 70 DEG C, with 30wt% sodium hydrate aqueous solution adjust pH value to 6.5, while temperature 60 C is adjusted, papain enzymolysis 2 hours of Xun Shi flesh clam gelatin quality 3% are added, then use 30wt% Sodium hydrate aqueous solution adjusts pH value to 7.0, while adjusting the temperature to 50 DEG C, and the ginger of Xun Shi flesh clam gelatin quality 3% is added Protease hydrolyzed 2 hours, obtain glutin hydrolysate;
(2) lotus root starch is added into glutin hydrolysate, stands 2 hours, glutin hydrolysate is warming up to 100 DEG C, is kept 10min is cooled to 30 DEG C, and 5000rpm is centrifuged 5 minutes, takes supernatant, and with 150 DEG C of inlet air temperature, 70 DEG C of leaving air temp spraying dry It is dry to get skin emergency repair collagen tripeptide;
The additive amount of the lotus root starch is the 10% of Xun Shi flesh clam gelatin quality;
Lotus root starch preparation method is after saving lotus root 2 hours at -20 DEG C, and slice is added in refiner, and 3 times of quality of lotus root are added Methylisobutylketone, 10000rpm be homogenized 3 minutes, obtain homogenate, the acetone washing with 5 times of quality of lotus root is primary, cross 1000 mesh Sieve, obtained solid at room temperature natural air drying to get lotus root starch.
Test case 1
Transdermal absorption test
Due to only could really be absorbed by the body simultaneously after collagen peptide reaches skin corium through keratoderma, epidermis It can reflect for repairing skin, therefore adding up transit dose by sample unit area in the Transdermal absorption measurements determination unit time Its fixed skin emergency repair function.
Test method reference " the Transdermal absorption performance research of jellyfish, ox bone and gadus collagen peptide " (daily chemical industry, 2017 (3): 164-167.) collagen peptide absorption test in a text.With the embodiment 1-6 skin emergency repair being prepared The aqueous solution that collagen tripeptide is configured to 10g/L respectively carries out Transdermal absorption test, and test result is as shown in table 1.
1 Transdermal absorption test result of table
As seen from the above table, emergency repair collagen tripeptide provided by the invention has preferable Transdermal absorption effect, when making It is added to lotus root starch (embodiment 2) when during standby, unit area can be effectively promoted and add up transmitance, furthermore Xun Shi flesh clam gelatin The crosslinking agent added in preparation process finally also will affect Transdermal absorption efficiency, the FeCl for being 1.5:1.5:1 by molar ratio3: NiCl2: the gelatin preparation of cross-linking agent solution preparation is prepared in the water that 5 times of metal salt qualities are dissolved in after ethylenediamine tetra-acetic acid mixing Made of collagen tripeptide (embodiment 6) have best Transdermal absorption effect.
Test case 2
Antioxidation in vitro test
Examination on experimental operation is as follows: preparing the DPPH titer of 250 μm of ol/L, is kept in dark place at 4 DEG C, matching while using is matched Collagen tripeptide aqueous solution prepared by the embodiment 1-6 that concentration processed is 12mg/mL, takes 2mL to mix with isometric DPPH titer, It is protected from light 30 minutes, absorbance A is measured at 515nm1, collagen tripeptide aqueous solution is replaced with ethyl alcohol, measures and inhales at 515nm Luminosity A2, three peptide solutions (2mL collagen tripeptide aqueous solution+2mL ethyl alcohol) 515nm go out measure absorbance A3.Free radical scavenging ability It is calculated as follows:
Test result is as shown in table 2.
2 DPPH free radical scavenging activity of table
As seen from the above table, collagen tripeptide provided by the invention has higher free radical scavenging activity, and addition lotus root starch changes Acid solution and change crosslinking agent when prepared by gelatin can all influence free radical scavenging activity, wherein by the preparation of 6 method of embodiment Collagen tripeptide has optimal 30 minutes free radical scavenging activities, up to 86%.

Claims (10)

1. a kind of skin emergency repair collagen tripeptide, which is characterized in that be prepared by Mytilidae animal gelatin.
2. skin emergency repair collagen tripeptide according to claim 1, which is characterized in that the Mytilidae animal is Xun Shi flesh clam.
3. skin emergency repair collagen tripeptide according to claim 1, which is characterized in that the Mytilidae animal gelatin Preparation step is as follows:
(1) it cleans: Mytilidae animal flesh is separated with shell, with 4-5 times of meat quality of water washing of Mytilidae animal, washing is completed It is taken out after being impregnated 1-2 hours with 4-5 times of meat quality of Mytilidae animal of water again afterwards spare;
(2) it pre-processes: the Mytilidae animal flesh after cleaning being homogenized with tissue refiner, Mytilidae animal meat quality 2-3 is added The water of times quality is heated to 80-100 DEG C, is kept for 10-30 minutes, obtains pretreatment fluid;
(3) carbohydrase is degraded: by pretreatment fluid acid solution adjusting pH value to 4.0-4.5, while adjusting the temperature to 60-65 DEG C, carbohydrase is added and digests 2-3 hours, obtains enzymolysis liquid;
(4) enzyme-deactivating: being warming up to 95-100 DEG C for enzymolysis liquid, kept for 5-15 minutes, is cooled to 30-40 DEG C, and centrifugation, filtering remove Filter residue is removed, enzyme-deactivating liquid is obtained;
(5) gel forming: cross-linking agent solution is mixed with enzyme-deactivating liquid, is stood 10-12 hours at room temperature, is obtained Mytilidae animal Gelatin;
The volume ratio of the cross-linking agent solution and enzyme-deactivating solution is 1:(4-5).
4. skin emergency repair collagen tripeptide according to claim 3, which is characterized in that the acid solution is 0.01-0.5mol/L acetic acid aqueous solution, 0.01-0.5mol/L aqueous formic acid, 0.01-1.0mol/L benzoic acid aqueous solution, Any one in 0.01-0.1mol/L aqueous citric acid solution.
5. skin emergency repair collagen tripeptide according to claim 3, which is characterized in that the cross-linking agent solution by mole Than the transition metal salt for (2-3): 1:(30-40): chelating agent: water is mixed to get;
The chelating agent is in ethylenediamine, ethylenediamine tetra-acetic acid, triethylenetetraaminehexaacetic acid and cyclohexanediamine tetraacetic acid sodium Any one.
6. skin emergency repair collagen tripeptide according to claim 5, which is characterized in that the transition metal salt is Fe3 +、Co2+And Ni2+Water-soluble inorganic salt in any one or more.
7. skin emergency repair collagen tripeptide preparation method as claimed in any one of claims 1 to 6, which is characterized in that preparation Steps are as follows:
(1) after heating Mytilidae animal gelatin 5-10 minutes at 70-80 DEG C, with hydrochloric acid solution or sodium hydrate aqueous solution tune PH value is saved to the optimum pH value of protease A, while adjusting the temperature to the optimum temperature of protease A, protease A enzymatic hydrolysis is added 2-3 hours, then pH value is adjusted to Cathepsin B optimum with 10-20wt% hydrochloric acid solution or 20-40wt% sodium hydrate aqueous solution PH value, while adjusting the temperature to the optimum temperature of Cathepsin B, Cathepsin B be added and digests 2-3 hour, obtain gelatin and digest Liquid;
The protease A and Cathepsin B is plant rennet, and protease A and Cathepsin B be not identical;
(2) glutin hydrolysate is warming up to 95-100 DEG C, is kept for 5-15 minutes, is cooled to 30-40 DEG C, centrifugal filtration takes supernatant Liquid is spray-dried to get skin emergency repair collagen tripeptide.
8. skin emergency repair collagen tripeptide preparation method as claimed in any one of claims 1 to 6, which is characterized in that preparation Steps are as follows:
(1) after heating Mytilidae animal gelatin 5-10 minutes at 70-80 DEG C, with hydrochloric acid solution or sodium hydrate aqueous solution tune PH value is saved to the optimum pH value of protease A, while adjusting the temperature to the optimum temperature of protease A, protease A enzymatic hydrolysis is added 2-3 hours, then pH value is adjusted to the optimum pH value of Cathepsin B with hydrochloric acid solution or sodium hydrate aqueous solution, while adjusting temperature Degree is added Cathepsin B and digests 2-3 hours, obtain glutin hydrolysate to the optimum temperature of Cathepsin B;
The protease A and Cathepsin B is plant rennet, and protease A and Cathepsin B be not identical;
(2) lotus root starch is added into glutin hydrolysate, stands 1-2 hours, is warming up to 95-100 DEG C, is kept for 3-5 hours, is cooled to 30-40 DEG C, centrifugation takes supernatant, is spray-dried to get skin emergency repair collagen tripeptide;
The additive amount of the lotus root starch is the 5-20% of Mytilidae animal gelatin quality.
9. according to claim 7 or 8 state skin emergency repair collagen tripeptide preparation method, which is characterized in that described Plant rennet be bromelain, papain, ficin or Ginger Protease.
10. according to claim 8 state skin emergency repair collagen tripeptide preparation method, which is characterized in that the lotus root Powder, preparation method thereof is after saving lotus root 0.5-3 hours at -20 DEG C, to be added in refiner, and the organic molten of 3-5 times of quality of lotus root is added Agent is homogenized 2-3 minutes, obtains homogenate, and the acetone washing with 5 times of lotus root starch quality is primary, filtering, and obtained solid is natural at room temperature It air-dries to get lotus root starch;
The organic solvent is methyl phenyl ethers anisole, three fourth Methyl ethers or methylisobutylketone.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111494233A (en) * 2020-06-02 2020-08-07 康珞生物科技(武汉)有限公司 Essence with anti-aging effect

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100004183A1 (en) * 2005-10-13 2010-01-07 Gu Jennifer L Mineral collagen chelates and methods of making and using same
CN101870995A (en) * 2009-04-21 2010-10-27 陈栋梁 Process for preparing collagen tripeptide
CN103243144B (en) * 2013-05-27 2014-05-28 天津益丽康生物科技有限公司 Collagen powder rich in collagen tripeptide and preparation method thereof
CN104540960A (en) * 2012-07-25 2015-04-22 株式会社日皮 Collagen peptide composition production method, DPP-4 inhibitor, and antihyperglycemic agent
CN106752975A (en) * 2016-12-06 2017-05-31 集美大学 The preparation method of fishskin gelatin
CN107815483A (en) * 2017-12-21 2018-03-20 大连深蓝肽科技研发有限公司 The method that mussel oligopeptide is prepared using mussel fresh meat

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100004183A1 (en) * 2005-10-13 2010-01-07 Gu Jennifer L Mineral collagen chelates and methods of making and using same
CN101870995A (en) * 2009-04-21 2010-10-27 陈栋梁 Process for preparing collagen tripeptide
CN104540960A (en) * 2012-07-25 2015-04-22 株式会社日皮 Collagen peptide composition production method, DPP-4 inhibitor, and antihyperglycemic agent
CN103243144B (en) * 2013-05-27 2014-05-28 天津益丽康生物科技有限公司 Collagen powder rich in collagen tripeptide and preparation method thereof
CN106752975A (en) * 2016-12-06 2017-05-31 集美大学 The preparation method of fishskin gelatin
CN107815483A (en) * 2017-12-21 2018-03-20 大连深蓝肽科技研发有限公司 The method that mussel oligopeptide is prepared using mussel fresh meat

Non-Patent Citations (11)

* Cited by examiner, † Cited by third party
Title
F. RODRÍGUEZ等: "Collagen extraction from mussel byssus: a new marine collagen source with physicochemical properties of industrial interest", 《JOURNAL OF FOOD SCIENCE AND TECHNOLOGY》 *
YOUNG CHAN CHOI等: "Human gelatin tissue-adhesive hydrogels prepared by enzyme-mediated biosynthesis of DOPA and Fe3+ ion", 《JOURNAL OF MATERIALS CHEMISTRY B》 *
宋芹等: "一种胶原蛋白寡肽体外透皮吸收性能研究", 《成都大学学报》 *
常映明等: "《抗衰老漫谈》", 30 November 2017, 中国医药科技出版社 *
李亚楠等: "胶原三肽生物活性及其应用研究进展", 《食品工业科技》 *
桑楚: "《优雅女人养成手册》", 30 April 2015, 中国华侨出版社 *
罗光乾: "《驻颜革命》", 31 January 2009, 京华出版社 *
胡建平: "《鱼胶原蛋白的开发与利用》", 31 March 2014, 四川大学出版社 *
范继业等: "《生物化学》", 31 August 2017, 中国轻工业出版社 *
陈健等: "《食品化学原理》", 28 February 2015, 华南理工大学出版社 *
食物蛋白质控制酶解技术: "《食物蛋白质控制酶解技术》", 30 June 2018, 中国轻工业出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111494233A (en) * 2020-06-02 2020-08-07 康珞生物科技(武汉)有限公司 Essence with anti-aging effect
CN111494233B (en) * 2020-06-02 2023-07-14 康珞生物科技(武汉)有限公司 Preparation method and application of collagen short peptide liposome

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