CN108359703A - The preparation method and application of Yi Zhong angler fracture tumour dodecapeptides - Google Patents

The preparation method and application of Yi Zhong angler fracture tumour dodecapeptides Download PDF

Info

Publication number
CN108359703A
CN108359703A CN201810040906.4A CN201810040906A CN108359703A CN 108359703 A CN108359703 A CN 108359703A CN 201810040906 A CN201810040906 A CN 201810040906A CN 108359703 A CN108359703 A CN 108359703A
Authority
CN
China
Prior art keywords
angler
peak
tumour
fracture
ultrafiltration
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.)
Pending
Application number
CN201810040906.4A
Other languages
Chinese (zh)
Inventor
黄芳芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Ocean University ZJOU
Original Assignee
Zhejiang Ocean University ZJOU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Ocean University ZJOU filed Critical Zhejiang Ocean University ZJOU
Priority to CN201810040906.4A priority Critical patent/CN108359703A/en
Publication of CN108359703A publication Critical patent/CN108359703A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • 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
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/17Amino acids, peptides or proteins
    • A23L33/18Peptides; Protein hydrolysates
    • CCHEMISTRY; METALLURGY
    • 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
    • C07K14/46Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
    • C07K14/461Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from fish
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Abstract

The preparation method and application of Yi Zhong angler fracture tumour dodecapeptides, its Xuan Yong angler bone as raw material, the method includes:a)Particle:Angler bone carried out with high-speed tissue mashing machine to smash processing to pieces, powdery and microparticulate angler bone meal is made;b)Enzymolysis:Neutral proteinase Dui angler bone meal is selected to digest, Cheng anglers bone meal enzymolysis liquid processed;c)Ultrafiltration:Ultrafiltration system is added in angler bone meal enzymolysis liquid, ultrafiltration is carried out with the ultrafiltration membrane of 10KD, 5KD, 3KD, is collected>10KD, 10 5KD, 5 3KD and<The enzymolysis liquid of 3KD molecular weight, is freeze-dried.

Description

The preparation method and application of Yi Zhong angler fracture tumour dodecapeptides
Technical field
Of the present invention is the preparation method and application of Yi Zhong angler fracture tumour dodecapeptides, and especially one kind is to preceding The preparation method and application of the inhibited anglers fracture tumour dodecapeptide of row adenocarcinoma cell.
Background technology
Traditional treatment means include mainly prostate cancer radical excision, hormone therapy, chemotherapy, radiotherapy etc., but Cancer is difficult to eradicate after treatment, and recurrence rate is high.Therefore, efficient one kind, low toxicity are found from ocean and with relatively strong specific New type antineoplastic medicine have important research significance and clinical meaning.
During processing of aquatic products, a large amount of leftover bits and pieces will produce(Including fish head, fish-skin, fin, fish tail, fish-bone and It remains the flesh of fish), quality accounts for about the 30%~55% of raw material fish, and the content of different parts collagen is differed from 20%~50%. Angler(Lophius litulon)Belong to cold warm nature demersal fishes, volt seabed of often dwelling is distributed in North Western Pacific, China's production In northern East China Sea, the Huanghai Sea and the Bohai Sea.Wo Guo anglers demand for exports in recent years is vigorous, and , anglers are significantly increased in yield and price Exporting oneself becomes the emerging fishery in China.Ran and in the processing of , anglers, a large amount of fish-skins are discarded as leftover bits and pieces, this Environment is not only polluted, the waste of resource is also resulted in.Currently, for the economic value added of Ti Gao angler skins, has scholar Begin one's study extraction dermatan sulfate, chondroitin sulfate, collagen etc. in Cong angler processing byproducts.
Active peptide is the compound being connected with peptide bond by two or more amino acid, and important physiology is played in human body Effect plays physiological function, such as:Adjust internal moisture, electrolyte balance;Promote wound healing;Repair cell improves cell Metabolism, can play protective effect on cancer risk etc..Active peptide is generally obtained by digesting bioactive materials, and research finds that food proteins pass through Protease hydrolyzed mode can obtain active peptides vdiverse in function.
Invention content
It is an object of the invention to overcome the shortcomings of the prior art, and one kind is provided and passes through the white Mei Dui angler fishes of Dan Bone is digested to obtain a kind of polypeptide yield Gao angler fractures inhibited to prostate gland cancer cell, extraction The preparation method and application of tumour dodecapeptide.
The purpose of the present invention is by following technical solution to complete, the preparations of Yi Zhong angler fracture tumour dodecapeptides Method, its Xuan Yong angler bone as raw material, and the preparation method includes the following steps:
a)Particle:Angler bone carried out with high-speed tissue mashing machine to smash processing to pieces, powdery and microparticulate anglers is made Bone meal;
b)Enzymolysis:Neutral proteinase Dui angler bone meal is selected to digest, Cheng anglers bone meal enzymolysis liquid processed;
c)Ultrafiltration:Ultrafiltration system is added in angler bone meal enzymolysis liquid, ultrafiltration is carried out with the ultrafiltration membrane of 10KD, 5KD, 3KD, is collected >10KD, 10-5KD, 5-3KD and<The enzymolysis liquid of 3KD molecular weight, is freeze-dried,
d)Angler enzymolysis liquid crosses G-25 eluents and obtains 5 peaks, is screened through anticancer experiment in vitro, and peak 2 and peak 3 have highest Antitumor activity, collect peak 2 and peak 3, freeze-drying further isolates and purifies and with efficient liquid phase purity detecting;
e)By reversed-phase high performance liquid chromatography (RT-HPLC) purifying and amino acid sequence detection:Peak 3 is detected with HPLC and is found, should Molecule section only has 1 eluting peak, and carries out amino acid sequence detection, and amino acid sequence is Met-Trp- Ile-Phe-His- Asp-Ser-Asp- Lys-Asn- Cys- Arg;Cheng anglers fracture tumour dodecapeptide product processed.
As preferred:The step b)Enzymatic hydrolysis condition is:pH:7.0-7.5, temperature:40-45 DEG C, solid-liquid ratio:1:1, when Between:5-7h, enzyme concentration:1200-1500 u/g;
The step d)In, the G-25 gels separation is:By step c)The enzymolysis liquid of acquisition is dissolved with distilled water, from The heart takes supernatant, crosses 0.45 μm of miillpore filter, and enzymolysis liquor 1.5ml is taken to cross Sephadex G-25 columns (90cm × 115cm (ID)) it is, eluent with distilled water, balance and elution;Often pipe collects 3ml, is detected at 280 nm of λ, collects each peak elution Liquid;
The step e)In, the reversed-phase high performance liquid chromatography (RT- HPLC) is:Purified with RT-HPLC, chromatography Condition:1) sample pre-treatments:Sample is centrifuged with the water dissolution of 0.06%TFA to 0.6ml(12000-14000 RPM, centrifugation 10 minutes)Take supernatant;2) system: Agilent 1260 HPLC;3) pillar:ZorbaxSB-C18 4.6X250 5um;4) into Sample volume:80-100ul;5) buffer solution, equilibration buffer:0.06%TFA elution buffers:The acetonitrile of 0.05%TFA;6) terraced Degree:0% -0 % B are eluted 4 minutes, and 0% -8% B is eluted 25 minutes, and 8%-100%B is eluted 1 minute, and 100% -100%B elutes 5 points Clock;7) flow velocity:1.0 ml/min;8)Detection:280nm/214nm.
A kind of application of the Suo Shu anglers fracture tumour dodecapeptide on, Suo Shu angler fracture tumour decapeptides are as work( Energy food is used for the additional functionality food of patients with prostate cancer, apparent to the inhibiting effect of prostate cancer.
The present invention digests angler fish-bone powder raw material by the white enzyme of egg a kind of to prostate gland cancer cell to obtain Inhibited ten peptide product of angler fracture tumour has the characteristics that the polypeptide yield of extraction is high.
Description of the drawings
Fig. 1 is anticancer experiment in vitro screening figure of this invention Suo Shu anglers enzymolysis liquids after 25 eluents of G-.
Fig. 2 is that the molecule section obtained with HPLC detections of the present invention elutes peak value figure.
Fig. 3 is dodecapeptide of the present invention to the active influence diagram of 3 cell proliferations of PC-.
Specific implementation mode
Below in conjunction with specific embodiment and testing inspection figure etc., the present invention will be described in detail:Of the present invention one The preparation method of Zhong angler fracture tumour dodecapeptides, its Xuan Yong angler bone as raw material, and the preparation method includes such as Lower step:
a)Particle:Angler bone carried out with high-speed tissue mashing machine to smash processing to pieces, powdery and microparticulate anglers is made Bone meal;
b)Enzymolysis:Neutral proteinase Dui angler bone meal is selected to digest, Cheng anglers bone meal enzymolysis liquid processed;
c)Ultrafiltration:Ultrafiltration system is added in angler bone meal enzymolysis liquid, ultrafiltration is carried out with the ultrafiltration membrane of 10KD, 5KD, 3KD, is collected >10KD, 10-5KD, 5-3KD and<The enzymolysis liquid of 3KD molecular weight, is freeze-dried,
d)Angler enzymolysis liquid crosses G-25 eluents and obtains 5 peaks, is screened through anticancer experiment in vitro, and peak 2 and peak 3 have highest Antitumor activity, collect peak 2 and peak 3, freeze-drying further isolates and purifies and with efficient liquid phase purity detecting;
e)By reversed-phase high performance liquid chromatography (RT-HPLC) purifying and amino acid sequence detection:Peak 3 is detected with HPLC and is found, should Molecule section only has 1 eluting peak, and carries out amino acid sequence detection, and amino acid sequence is Met-Trp- Ile-Phe-His- Asp-Ser-Asp- Lys-Asn- Cys- Arg;Cheng anglers fracture tumour dodecapeptide product processed.
Step b of the present invention)Enzymatic hydrolysis condition is:pH:7.0-7.5, temperature:40-45 DEG C, solid-liquid ratio:1:1, the time: 5-7h, enzyme concentration:1200-1500 u/g;
The step d)In, the G-25 gels separation is:By step c)The enzymolysis liquid of acquisition is dissolved with distilled water, from The heart takes supernatant, crosses 0.45 μm of miillpore filter, and enzymolysis liquor 1.5ml is taken to cross Sephadex G-25 columns (90cm × 115cm (ID)) it is, eluent with distilled water, balance and elution;Often pipe collects 3ml, is detected at 280 nm of λ, collects each peak elution Liquid;
The step e)In, the reversed-phase high performance liquid chromatography (RT- HPLC) is:Purified with RT-HPLC, chromatography Condition:1) sample pre-treatments:Sample is centrifuged with the water dissolution of 0.06%TFA to 0.6ml(12000-14000 RPM, centrifugation 10 minutes)Take supernatant;2) system: Agilent 1260 HPLC;3) pillar:ZorbaxSB-C18 4.6X250 5um;4) into Sample volume:80-100ul;5) buffer solution, equilibration buffer:0.06%TFA elution buffers:The acetonitrile of 0.05%TFA;6) terraced Degree:0% -0 % B are eluted 4 minutes, and 0% -8% B is eluted 25 minutes, and 8%-100%B is eluted 1 minute, and 100% -100%B elutes 5 points Clock;7) flow velocity:1.0 ml/min;8)Detection:280nm/214nm.
A kind of application of the Suo Shu anglers fracture tumour dodecapeptide on, Suo Shu angler fracture tumour dodecapeptide conducts Functional food is used for the additional functionality food of patients with prostate cancer, apparent to the inhibiting effect of prostate cancer.
Experimental method:
One, the optimization of enzymatic hydrolysis condition:
1, neutral proteinase is selected, is digested with its optimum enzymolysis condition.Its enzymatic hydrolysis condition is:pH:7.0-7.5, temperature: 40-45 DEG C, solid-liquid ratio:1:1, the time:5-7h, enzyme concentration:1200-1500 u/g.
2, cell culture:Choose Human Prostate Cancer Cells PC-3 hormone independent cells(Original is thin purchased from Chinese Academy of Sciences Shanghai Born of the same parents library, is preserved by this laboratory passage).PC-3 uses the F12 cultures containing 10% fetal calf serum to be based on 37 DEG C, in 5% CO2 incubators It cultivates to exponential phase.
3, ultrafiltration:Ultrafiltration system is added in sample, ultrafiltration is carried out with the ultrafiltration membrane of 10KD, 5KD, 3KD, is collected>10KD、 10-5KD, 5-3KD and<The enzymolysis liquid of 3KD molecular weight, is freeze-dried.And carry out active anticancer screening.Strongest point of activity Son amount further purifies.
4, G-25 gels detach:Sample is dissolved with distilled water, is centrifuged, supernatant is taken, crosses 0.45 μm of miillpore filter, It takes sample solution 1.5ml to cross Sephadex G-25 columns (90cm × 115cm (ID)), is eluent with distilled water, balances and wash It is de-.Often pipe collects 3ml, is detected at λ 280nm, collects each peak eluent.
5, reversed-phase high performance liquid chromatography (RT-HPLC):RT-HPLC is purified.Chromatographic condition:1) sample pre-treatments:It will Sample, to 0.6ml, is centrifuged with the water dissolution of 0.06%TFA(12000-14000 RPM are centrifuged 10 minutes)Take supernatant;2) system: Agilent1260 HPLC;3) pillar:Zorbax SB-C18 4.6 X 250 5um;4) sampling volume:80-100ul;5) delay Fliud flushing equilibration buffer:0.06%TFA elution buffers:The acetonitrile of 0.05%TFA;6) gradient:0% -0% B is eluted 4 minutes, 0% -8% B is eluted 25 minutes, and 8%-100%B is eluted 1 minute, and 100%-100%B is eluted 5 minutes;7) flow velocity:1.0 ml/min;8) Detection:280nm/214nm
Two experimental results:
1, ultrafiltration and antitumor activity screening:Ultrafiltration system is added in enzymolysis sample, is carried out with the ultrafiltration membrane of 10KD, 5KD, 3KD Ultrafiltration is collected>10KD, 8-5KD, 5-3KD and<The enzymolysis liquid of 3KD molecular weight, is freeze-dried.PC-3 is carried out with MTT methods Cell proliferation inhibition rate is tested, and is found<The enzymolysis liquid energy of 3KD molecular weight effectively inhibits PC-3 to be proliferated.Therefore it will<3KD molecular weight Enzymolysis liquid carries out isolating and purifying for next step.
2, G-25 isolates and purifies result:, angler enzymolysis liquids as shown in Figure 1 cross G-25 eluents and obtain 5 peaks, through external Anti-tumor experiment screens, and peak 2 and peak 3 have highest antitumor activity, collects peak 2 and peak 3, and freeze-drying further divides From purifying and with efficient liquid phase purity detecting.
3, reversed-phase high performance liquid chromatography (RT-HPLC) purifying and amino acid sequence detection:Shown in Fig. 2, peak 3 is detected with HPLC It was found that the molecule section only has 1 eluting peak, and amino acid sequence detection is carried out, amino acid sequence is Met-Trp- Ile- Phe-His-Asp-Ser-Asp- Lys-Asn- Cys- Arg。
4, influence of the dodecapeptide to PC-3 cell-proliferation activities:Using F12 as control group, compare various concentration dodecapeptide pair The influence of PC-3 cell Proliferations.Each concentration, each time point PC-3 cell-proliferation activities as shown in Figure 3, indicate in figure:Dodecapeptide energy Effectively inhibit PC-3 proliferation, and is in concentration and time dependence.

Claims (3)

1. the preparation method of Yi Zhong angler fracture tumour dodecapeptides, its Xuan Yongs angler bone as raw material, it is characterised in that institute The preparation method stated includes the following steps:
a)Particle:Angler bone carried out with high-speed tissue mashing machine to smash processing to pieces, powdery and microparticulate anglers is made Bone meal;
b)Enzymolysis:Neutral proteinase Dui angler bone meal is selected to digest, Cheng anglers bone meal enzymolysis liquid processed;
c)Ultrafiltration:Ultrafiltration system is added in angler bone meal enzymolysis liquid, ultrafiltration is carried out with the ultrafiltration membrane of 10KD, 5KD, 3KD, is collected >10KD, 10-5KD, 5-3KD and<The enzymolysis liquid of 3KD molecular weight, is freeze-dried,
d)Angler enzymolysis liquid crosses G-25 eluents and obtains 5 peaks, is screened through anticancer experiment in vitro, and peak 2 and peak 3 have highest Antitumor activity, collect peak 2 and peak 3, freeze-drying further isolates and purifies and with efficient liquid phase purity detecting;
e)By reversed-phase high performance liquid chromatography (RT-HPLC) purifying and amino acid sequence detection:Peak 3 is detected with HPLC and is found, should Molecule section only has 1 eluting peak, and carries out amino acid sequence detection, and amino acid sequence is Met-Trp- Ile-Phe-His- Asp-Ser-Asp- Lys-Asn- Cys- Arg;Cheng anglers fracture tumour dodecapeptide product processed.
2. according to the preparation method of claim 1 Suo Shu angler fracture tumour dodecapeptides, it is characterised in that:
The step b)Enzymatic hydrolysis condition is:pH:7.0-7.5, temperature:40-45 DEG C, solid-liquid ratio:1:1, the time:5-7h, it is enzyme Amount:1200-1500 u/g;
The step d)In, the G-25 gels separation is:By step c)The enzymolysis liquid of acquisition is dissolved with distilled water, from The heart takes supernatant, crosses 0.45 μm of miillpore filter, and enzymolysis liquor 1.5ml is taken to cross Sephadex G-25 columns (90cm × 115cm (ID)) it is, eluent with distilled water, balance and elution;Often pipe collects 3ml, is detected at 280 nm of λ, collects each peak elution Liquid;
The step e)In, the reversed-phase high performance liquid chromatography (RT- HPLC) is:Purified with RT-HPLC, chromatography Condition:1) sample pre-treatments:Sample is centrifuged with the water dissolution of 0.06%TFA to 0.6ml(12000-14000 RPM, centrifugation 10 minutes)Take supernatant;2) system: Agilent 1260 HPLC;3) pillar:ZorbaxSB-C18 4.6X250 5um;4) into Sample volume:80-100ul;5) buffer solution, equilibration buffer:0.06%TFA elution buffers:The acetonitrile of 0.05%TFA;6) terraced Degree:0% -0 % B are eluted 4 minutes, and 0% -8% B is eluted 25 minutes, and 8%-100%B is eluted 1 minute, and 100% -100%B elutes 5 points Clock;7) flow velocity:1.0 ml/min;8)Detection:280nm/214nm.
3. a kind of application such as claims 1 or 2 Suo Shu angler fracture tumour dodecapeptides, it is characterised in that Suo Shu anglers Fracture tumour dodecapeptide is used for the additional functionality food of patients with prostate cancer, the inhibition to prostate cancer as functional food Effect is apparent.
CN201810040906.4A 2018-01-16 2018-01-16 The preparation method and application of Yi Zhong angler fracture tumour dodecapeptides Pending CN108359703A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810040906.4A CN108359703A (en) 2018-01-16 2018-01-16 The preparation method and application of Yi Zhong angler fracture tumour dodecapeptides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810040906.4A CN108359703A (en) 2018-01-16 2018-01-16 The preparation method and application of Yi Zhong angler fracture tumour dodecapeptides

Publications (1)

Publication Number Publication Date
CN108359703A true CN108359703A (en) 2018-08-03

Family

ID=63006346

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810040906.4A Pending CN108359703A (en) 2018-01-16 2018-01-16 The preparation method and application of Yi Zhong angler fracture tumour dodecapeptides

Country Status (1)

Country Link
CN (1) CN108359703A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110343072A (en) * 2019-07-12 2019-10-18 浙江海洋大学 A method of carnosine is extracted from stripped tuna head

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102690370A (en) * 2011-12-20 2012-09-26 浙江省海洋开发研究院 Comprehensive utilization technique of marine fish bones
CN103805662A (en) * 2012-11-15 2014-05-21 浙江海洋学院 Preparation method and application of sinonovacula constricta enzymolysis polypeptide
CN104304647A (en) * 2014-09-12 2015-01-28 浙江海洋学院 Monkfish leftover classification using method
CN104774896A (en) * 2015-04-15 2015-07-15 浙江海洋学院 Preparation method for iron-chelated collagen peptide of hairtail fish-bones

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102690370A (en) * 2011-12-20 2012-09-26 浙江省海洋开发研究院 Comprehensive utilization technique of marine fish bones
CN103805662A (en) * 2012-11-15 2014-05-21 浙江海洋学院 Preparation method and application of sinonovacula constricta enzymolysis polypeptide
CN104304647A (en) * 2014-09-12 2015-01-28 浙江海洋学院 Monkfish leftover classification using method
CN104774896A (en) * 2015-04-15 2015-07-15 浙江海洋学院 Preparation method for iron-chelated collagen peptide of hairtail fish-bones

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110343072A (en) * 2019-07-12 2019-10-18 浙江海洋大学 A method of carnosine is extracted from stripped tuna head
CN110343072B (en) * 2019-07-12 2023-01-31 浙江海洋大学 Method for extracting carnosine from skipjack heads

Similar Documents

Publication Publication Date Title
CN102558296B (en) Mytilus edulis enzymolysis polypeptide and preparation method and application thereof
CN103805662A (en) Preparation method and application of sinonovacula constricta enzymolysis polypeptide
CN106632605A (en) Liver injury and repair type active peptide prepared from tuna offal
CN105330723B (en) A kind of biologically active peptide
CN104593462B (en) A kind of preparation method of blue clam albumen source ACE inhibitor peptides
CN105175500A (en) Active polypeptide prepared by high performance liquid chromatography and application thereof
CN108359703A (en) The preparation method and application of Yi Zhong angler fracture tumour dodecapeptides
CN107177650B (en) Preparation method of antioxidant enzymolysis oligopeptide from peripherical glands of northern pacific squid
CN106755230B (en) Preparation method of perinereis aibuhitensis anti-lung cancer polypeptide
CN108396047A (en) A kind of preparation method of small public fish immunomodulatory peptides
CN108359702A (en) The preparation method and application of Yi Zhong angler fracture tumour decapeptides
CN104877007A (en) Yak milk lactalbumin-source ACE inhibitory peptides and preparation method thereof
CN107173815B (en) Application of antioxidant enzymolysis oligopeptide from peripherical glands of northern pacific squid
CN103571904B (en) The preparation method of Yi Zhong Channel-catfish collagen of fish skin ace inhibitory peptide
CN112877390B (en) Preparation method of functional alcohol-soluble sturgeon cartilage preparation
CN115124591A (en) Spirulina platensis phycocyanin angiotensin converting enzyme inhibitory peptide and preparation method and application thereof
CN107176973B (en) Antioxidative enzymolysis oligopeptide from peri-pacific squid oothecal gland
CN105315344B (en) Solen active hexapeptide and preparation method and application thereof
CN105085619B (en) Sinonovacula constricta active decapeptide and preparation method and application thereof
CN105085618B (en) Sinonovacula constricta active octapeptide and preparation method and application thereof
CN105315343B (en) Solen active octapeptide and preparation method and application thereof
CN106518997B (en) A kind of clarias leather antibacterial peptide and extracting method
CN111763243A (en) Gorgon fish immune active peptide and preparation method and application thereof
CN105315336B (en) Solen active tripeptide and preparation method and application thereof
CN105315337A (en) Active tetrapeptide of Sinonovacula constricta and preparation method therefor and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180803

RJ01 Rejection of invention patent application after publication