CN108410936A - A kind of buffalo's milk anti-oxidation peptide and its method for separating and preparing - Google Patents

A kind of buffalo's milk anti-oxidation peptide and its method for separating and preparing Download PDF

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Publication number
CN108410936A
CN108410936A CN201810310855.2A CN201810310855A CN108410936A CN 108410936 A CN108410936 A CN 108410936A CN 201810310855 A CN201810310855 A CN 201810310855A CN 108410936 A CN108410936 A CN 108410936A
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buffalo
milk
oxidation peptide
separating
milk anti
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李玲
杨攀
曾庆坤
黄丽
唐艳
农皓如
冯玲
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GUANGXI ZHUANG AUTONOMOUS REGION BUFFALO INSTITUTE
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GUANGXI ZHUANG AUTONOMOUS REGION BUFFALO INSTITUTE
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    • 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
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
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  • Nutrition Science (AREA)
  • Mycology (AREA)
  • Biotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Peptides Or Proteins (AREA)

Abstract

The invention discloses a kind of buffalo's milk anti-oxidation peptide and its method for separating and preparing, belong to biotechnology.Its method for separating and preparing includes:Buffalo's milk digested through degreasing, regulatory protein matter mass fraction, sterilization, constant temperature, adjustment pH value, addition flavor protease, enzyme deactivation, obtains buffalo's milk enzymolysis product after cooling enzymolysis liquid, gel splitter is recycled to detach buffalo's milk enzymolysis product, the Detection wavelength for eluting separation process is 220nm, 280nm and 254nm, each elution fraction is collected, is freeze-dried;Wherein reducing power, DPPH free radical scavenging abilities, Hydroxyl radical-scavenging ability and the higher component of superoxide anion Scavenging activity, as buffalo's milk anti-oxidation peptide.Buffalo's milk anti-oxidation peptide preparation method simple possible of the present invention, the tracking of active peptide composition, concentration effect are good, and Product Activity is high.

Description

A kind of buffalo's milk anti-oxidation peptide and its method for separating and preparing
Technical field
The present invention relates to biotechnologies, and in particular to a kind of buffalo's milk anti-oxidation peptide and its method for separating and preparing.
Background technology
Lactoprotein not only contains various amino acid necessary to human body, while will produce respectively in the digestion process of gastrointestinal tract The biologically active peptide of kind.The factors such as the generation of biologically active peptide and restriction enzyme site, protein classes and structure are significantly correlated.Water Milk protein content is significantly higher than other species, is the important sources of high-quality protein.Studies have shown that buffalo lactalbumin and There are significant difference, buffalo milk casein sheets for milk fat globule membrane proteins matter group and bovine ox, goat, horse, camel, yak, human milk etc. There is also polymorphism, milk protein gene polymorphisms, and the amino acid sequence in albumen can be caused to change for body, and then influences albumen With the property and function of peptide.
Having studied at present confirms that buffalo lactoprotein has certain antioxidant activity, and enzyme after food flavor enzyme directly digests It is good to solve product sense organ, utilization can be added in food containing peptide, but do not detached further to enzymolysis product, still The peptide composition of activity concentration is not obtained.
Invention content
High, heat that the technical problem to be solved by the invention for the present situation of prior art is to provide a kind of antioxidant activities Stability is good and remains to keep the buffalo's milk anti-oxidation peptide of greater activity after gastroenteric environment digests.
Another technical problem to be solved by this invention is the present situation for the prior art, provides a kind of above-mentioned buffalo's milk The preparation method of anti-oxidation peptide, this method use biological enzymolysis technology and gel filtration chromatography technical tie-up, scientific and reasonable, be easy to Operation.
Technical method used in purpose is as follows to realize the present invention:
A kind of method for separating and preparing of buffalo's milk anti-oxidation peptide, includes the following steps:
(1)Buffalo's milk → degreasing → regulatory protein matter mass fraction → sterilization, constant temperature, adjustment pH value → addition flavor protease into Row enzymolysis → enzyme deactivation → cooling enzymolysis liquid → obtains buffalo's milk enzymolysis product;
(2)Substance in buffalo's milk enzymolysis product is carried out by elution separation, elution point with eluent using gel filtration splitter Detection wavelength from process is 220nm, collects each elution fraction;
(3)By step(2)Elution fraction be freeze-dried;
(4)In step(3)Each component in, screen and collect based on reducing power, DPPH free radical scavenging abilities, hydroxy radical The higher component of synthesis oxidation resistance of Scavenging activity and superoxide anion Scavenging activity, as buffalo's milk anti-oxidation peptide.
Preferably, the step(2)Eluent be made of eluent A and eluent B, the eluent A be containing The aqueous solution of 0.1% trifluoroacetic acid, the eluent B are the acetonitrile solution containing 0.1% trifluoroacetic acid, the eluent A and are washed The volume ratio of de- liquid B is 7:3.
Preferably, the step(2)The Detection wavelength for eluting separation process can also be 280nm or 254nm.
Preferably, the step(2)Gel filtration splitter is 10/300 GL gels of superdex peptide point From column, buffalo's milk enzymolysis product is passed through into 10/300 GL gel splitters of superdex peptide, buffalo's milk enzymolysis product Sample size be 500 μ L, sample size 20mg/mL, the elution flow rate of eluent is 0.3 ~ 0.8mL/min.
Preferably, the step(2)It is to utilize the mating full-automatic collection of protein purification system to collect each elution fraction Device carries out Fraction collection to different component sample successively according to sample elution appearance volume, continuous to collect.
Preferably, the step(3)It after freeze-drying, is redissolved using pure water, obtains buffalo's milk anti-oxidation peptide aqueous solution.
The present invention also provides a kind of buffalo's milk anti-oxidation peptide, the buffalo's milk anti-oxidation peptide is by any one described above The method for separating and preparing is made.
Preferably, the buffalo's milk anti-oxidation peptide molecular weight is between 89.09-1245.32Da.
Preferably, the elution appearance volume of the buffalo's milk anti-oxidation peptide is 18-20mL.
The present invention further provides buffalo's milk anti-oxidation peptides in preparing health products or food with anti-oxidation efficacy Using.
The substantive distinguishing features of the present invention and progress are:
(1)The buffalo's milk anti-oxidation peptide of the present invention has higher antioxidant activity, after pure water redissolution, peptide is prepared and contains When amount is the buffalo's milk anti-oxidation peptide solution of 2.23mg/mL, reducing power, remove DPPH free radicals, scavenging hydroxyl with And the clearance rate of removing ultra-oxygen anion free radical can reach 0.158,51.25%, 17.90% and 53.33% respectively.
(2)Buffalo's milk antioxidant peptide active provided by the invention is excellent, has good antioxidation, can be used as work( Energy property ingredient, is used in antioxidant health-care product and food, and significant effect, has good market prospects.
(3)The present invention is combined using biological enzymolysis technology and gel filtration chromatography technology, and whole preparation process is simple and easy to control, enzyme It solves efficient, by gel permeation chromatography, effectively tracks and be enriched the active peptide in enzymolysis product, meanwhile, gained antioxygen Change peptide by freeze-drying, fully removes acetonitrile and trifluoroacetic acid volatile in eluent, safety is without side-effects.
Description of the drawings
Fig. 1 is the gel permeation chromatography chromatogram of enzymolysis product.
Fig. 2 is the gel permeation chromatography chromatogram of standard substance.
Fig. 3 is the comparison of different sample component reducing powers in gel filtration separation.
Fig. 4 is the comparison of different sample component DPPH free radical scavenging abilities in gel filtration separation.
Fig. 5 is the comparison of different sample component Hydroxyl radical-scavenging abilities in gel filtration separation.
Fig. 6 is the comparison of different sample component superoxide anion Scavenging activities in gel filtration separation.
Specific implementation mode
The present invention program is described in further detail with reference to embodiment, following the description is merely to explain this hair It is bright, its content is not defined.Experimental method used in following embodiments is conventional side unless otherwise specified Method, material, reagent etc. used in following embodiments, is commercially available unless otherwise specified.
The method for separating and preparing of 1 buffalo's milk anti-oxidation peptide of embodiment
(1)Technology path is as follows:Buffalo's milk → degreasing → regulatory protein matter mass fraction → sterilization, constant temperature, adjustment pH value → adds Flavor protease is added to carry out digesting → enzyme deactivation → cooling enzymolysis liquid → and obtain buffalo's milk enzymolysis product.
(2)Using the AKTA pure protein purification systems of GE Healthcare, using superdex peptide 10/ 300 GL gel splitters, detach the peptide composition in enzymolysis product.Wherein, eluent A is containing 0.1% trifluoroacetic acid Aqueous solution, B are the acetonitrile solution containing 0.1% trifluoroacetic acid, A:B=7:3(v/v), elution flow rate 0.5mL/min, 220nm, It is scanned simultaneously under tri- wavelength of 280nm and 254nm, sample size is 500 μ L, sample size 20mg/mL.Utilize protein purification The full-automatic collector of system support carries out Fraction collection, even to different component sample successively according to sample elution appearance volume Continuous to collect 120 times, freeze-drying is used for peptide content and Antioxidative Activity Determination after being redissolved using 30mL ultra-pure waters.
(3)With reference to《GBT 22492-2008 soy peptide powders》The assay method of middle peptide content, wherein acid-soluble nitrogen determination In, TCA is formulated as 12% solution.And it measures its reducing power, the ability for removing DPPH free radicals, remove hydroxyl radical free radical Ability and the ability for removing superoxide anion.
2 superdex peptide gel filtrations post separations of embodiment and sample collection
Gel filtration chromatography figure of the enzymolysis product at 220nm, 254nm and 280nm is shown in Fig. 1, main isolated 4 masters Peak, wherein peak 1 are in elution volume 10mL-18mL appearances, which is named as F1, and peak 2 is in 18-20mL appearances, component name For F2, in 20mL-22mL appearances, which is named as F3 at peak 3, and peak 4 is named as F4 in 22mL-24mL appearances, the component. Using alanine that molecular weight is 89.09 Da and molecular weight for 1245.32Da peptide fragment TPEVDDEALEK as control, two objects The gel filtration chromatography figure of matter is shown in Fig. 2, comparison diagram 1 and Fig. 2, it is known that the molecular weight of F2 and F3 components is in 89.09-1245.32Da Between, 89.09 Da of molecular weight < of F4 components, and molecular weight > 1245.32Da and < are existed simultaneously in F1 components 1245.32Da substance.
According to sample elution volume, substep receipts are carried out to different component sample using protein purification system full-automatic collector Collection receives sample since 5mL, and it is a sample that a pipe is collected per 1mL eluents, and the elution volume when appearance that sample is No. 2-No. 24 is such as Fig. 1, wherein the elution appearance volume of sample 2 are 5mL-6mL, the appearance volume of other samples.Each sample sets Point collected 120 times by protein purification system, after freeze-drying, redissolved in the ultra-pure water of 30mL, carry out follow-up peptide content and The measurement such as antioxidant activity.
The different sample component peptide contents of embodiment 3 and antioxidant activity
2-24 samples peptide content and corresponding reducing power measurement result are shown in that Fig. 3, the higher component of sample peptide content mainly collect In in 9-17 samples, meanwhile, in these samples reducing power also compared with other components height, wherein active highest three groups are divided into No. 14-16, active size is followed successively by:No. 15 > 16 > 14, the peptide content and reducing power of No. 15 samples are highest, peptide Content is 2.45mg/mL, and reducing power absorbance value is 0.154.Sample peptide content and corresponding DPPH free radical scavenging abilities Measurement result is shown in Fig. 4, in the 9-17 samples that sample peptide is concentrated, No. 15, No. 16, that No. 17 samples show higher DPPH is free Base Scavenging activity, is followed successively by:No. 15 > 16 of > 17, wherein No. 15 sample DPPH free radical scavenging activities reach 50.56%.Sample Product peptide content and corresponding Hydroxyl radical-scavenging ability measurement result are shown in that Fig. 5, Scavenging activity on hydroxyl free radical are not centered at peptide and contain Higher 9-17 samples are measured, 8-20 samples show certain Scavenging activity on hydroxyl free radical, and the higher component of activity The 12-20 samples in addition to No. 16 components are concentrated on, activity comes the component of first three and is followed successively by:No. 15 > 17 of > 20, No. 15 sample Hydroxyl radical-scavenging ability highests, reach 15.22%, and No. 20 with No. 17 Scavenging activities be respectively 11.74% and 10.43%, wherein peptide content is relatively low in No. 20 samples, from the point of view of the corresponding molecular weight ranges of appearance volume, the hydroxyl that shows Free radical scavenging ability may be derived from other substances other than peptide.Sample peptide content and corresponding superoxide anion Scavenging activity are surveyed Determine result and see that Fig. 6, higher three groups of ultra-oxygen anion free radical Scavenging activity are divided into No. 15, No. 16, No. 17 samples, removes Capacity of water is followed successively by:No. 16 > 17 of > 15, respectively 54.88%, 46.34% and 31.71%.
To sum up, according to by Gel filtration analysis system, the peptide of different molecular weight ranges in enzymolysis product is detached, is obtained comprehensive Antioxidant activity stronger No. 15 and No. 16 components are closed, the merging appearance elution volume of two samples is 18-20mL, is collectively formed The F2 components that protein purification system elutes, corresponding molecular weight ranges are between 89.09-1245.32Da.Merge peptide content No. 15, No. 16 samples of the strong elution separation of high and oxidation resistance, obtain F2 components, fully after freeze-drying, as this hair Bright buffalo's milk anti-oxidation peptide.Pure water dissolving buffalo's milk anti-oxidation peptide is further used, it is 2.23mg/mL's that peptide content, which is prepared, Buffalo's milk anti-oxidation peptide aqueous solution, under this peptide content, the reducing power of buffalo's milk anti-oxidation peptide aqueous solution removes DPPH freedom Base, scavenging hydroxyl and remove ultra-oxygen anion free radical clearance rate be respectively 0.158,51.25%, 17.90% and 53.33%。
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention Protection domain should be determined by the scope of protection defined in the claims.

Claims (10)

1. a kind of method for separating and preparing of buffalo's milk anti-oxidation peptide, which is characterized in that include the following steps:
(1)Buffalo's milk → degreasing → regulatory protein matter mass fraction → sterilization, constant temperature, adjustment pH value → addition flavor protease into Row enzymolysis → enzyme deactivation → cooling enzymolysis liquid → obtains buffalo's milk enzymolysis product;
(2)Substance in buffalo's milk enzymolysis product is carried out by elution separation, elution point with eluent using gel filtration splitter Detection wavelength from process is 220nm, collects each elution fraction;
(3)By step(2)Elution fraction be freeze-dried;
(4)In step(3)Each component in, screen and collect based on reducing power, DPPH free radical scavenging abilities, hydroxy radical The higher component of synthesis oxidation resistance of Scavenging activity and superoxide anion Scavenging activity, as buffalo's milk anti-oxidation peptide.
2. the method for separating and preparing of buffalo's milk anti-oxidation peptide according to claim 1, which is characterized in that the step(2)'s Eluent is made of eluent A and eluent B, and the eluent A is the aqueous solution containing 0.1% trifluoroacetic acid, the elution Liquid B is the acetonitrile solution containing 0.1% trifluoroacetic acid, and the volume ratio of the eluent A and eluent B are 7:3.
3. the method for separating and preparing of buffalo's milk anti-oxidation peptide according to claim 1, which is characterized in that the step(2)It washes The Detection wavelength of de- separation process can also be 280nm or 254nm.
4. the method for separating and preparing of buffalo's milk anti-oxidation peptide according to claim 1, which is characterized in that the step(2) Gel filtration splitter is 10/300 GL gel splitters of superdex peptide, and buffalo's milk enzymolysis product is passed through The sample size of 10/300 GL gel splitters of superdex peptide, buffalo's milk enzymolysis product is 500 μ L, and sample size is The elution flow rate of 20mg/mL, eluent are 0.3 ~ 0.8mL/min.
5. the method for separating and preparing of buffalo's milk anti-oxidation peptide according to claim 1, which is characterized in that the step(2) It is using the mating full-automatic collector of protein purification system, according to sample elution appearance volume, successively to collect each elution fraction Fraction collection is carried out to different component sample.
6. the method for separating and preparing of buffalo's milk anti-oxidation peptide according to claim 1, which is characterized in that the step(3) It after freeze-drying, is redissolved using pure water, obtains buffalo's milk anti-oxidation peptide aqueous solution.
7. a kind of buffalo's milk anti-oxidation peptide, which is characterized in that the buffalo's milk anti-oxidation peptide is by claim 1-6 any one The method for separating and preparing is made.
8. buffalo's milk anti-oxidation peptide according to claim 7, which is characterized in that the buffalo's milk anti-oxidation peptide molecular weight exists Between 89.09-1245.32Da.
9. buffalo's milk anti-oxidation peptide according to claim 7, which is characterized in that the buffalo's milk anti-oxidation peptide elutes Peak volume is 18-20mL.
10. the buffalo's milk anti-oxidation peptide described in claim 7 is being prepared with the application in anti-oxidation efficacy health products or food.
CN201810310855.2A 2018-04-09 2018-04-09 A kind of buffalo's milk anti-oxidation peptide and its method for separating and preparing Pending CN108410936A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110283234A (en) * 2019-08-01 2019-09-27 四川旅游学院 It is a kind of derived from the anti-oxidation peptide and its preparation of Yak Blood and application
CN113461778A (en) * 2021-05-21 2021-10-01 广西大学 Buffalo milk characteristic peptide and buffalo milk identification method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101768209A (en) * 2009-01-05 2010-07-07 北京林业大学 Hypotensive peptide with high in-vivo activity and preparation and purification method thereof
CN106520878A (en) * 2016-11-25 2017-03-22 邵阳学院 Method for preparing active peptide from waste fermented grains
CN107027886A (en) * 2017-05-10 2017-08-11 广西壮族自治区水牛研究所 A kind of preparation method of the coagulating type flavor fermentation buffalo's milk rich in whey anti-oxidation peptide
CN107183181A (en) * 2017-05-10 2017-09-22 广西壮族自治区水牛研究所 A kind of preparation method of buffalo lactalbumin peptide lactic acid bacteria beverage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101768209A (en) * 2009-01-05 2010-07-07 北京林业大学 Hypotensive peptide with high in-vivo activity and preparation and purification method thereof
CN106520878A (en) * 2016-11-25 2017-03-22 邵阳学院 Method for preparing active peptide from waste fermented grains
CN107027886A (en) * 2017-05-10 2017-08-11 广西壮族自治区水牛研究所 A kind of preparation method of the coagulating type flavor fermentation buffalo's milk rich in whey anti-oxidation peptide
CN107183181A (en) * 2017-05-10 2017-09-22 广西壮族自治区水牛研究所 A kind of preparation method of buffalo lactalbumin peptide lactic acid bacteria beverage

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
MAHMOUD ABDEL-HAMID等: "Angiotensin I-converting enzyme inhibitory activity and antioxidant capacity of bioactive peptides derived from enzymatic hydrolysis of buffalo milk proteins", 《INTERNATIONAL DAIRY JOURNAL》 *
唐艳 等: "水牛乳干酪副产物乳清抗氧化肽基料的制备技术", 《食品工业》 *
姜锡瑞 等: "《生物发酵产业技术》", 31 May 2016, 中国轻工业出版社 *
李玲 等: "直接酶解技术制备水牛乳抗氧化肽基料", 《中国乳品工业》 *
钟兴业 等: "固定化中性蛋白酶制备水牛乳抗氧化活性肽的研究", 《食品工业科技》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110283234A (en) * 2019-08-01 2019-09-27 四川旅游学院 It is a kind of derived from the anti-oxidation peptide and its preparation of Yak Blood and application
CN110283234B (en) * 2019-08-01 2022-11-29 四川旅游学院 Antioxidant peptide derived from yak blood and preparation and application thereof
CN113461778A (en) * 2021-05-21 2021-10-01 广西大学 Buffalo milk characteristic peptide and buffalo milk identification method
CN113461778B (en) * 2021-05-21 2022-09-27 广西大学 Buffalo milk characteristic peptide and buffalo milk identification method

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