CN116554264A - Rosa roxburghii antioxidant oligopeptide, preparation method and application thereof and antioxidant product - Google Patents

Rosa roxburghii antioxidant oligopeptide, preparation method and application thereof and antioxidant product Download PDF

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CN116554264A
CN116554264A CN202310449543.0A CN202310449543A CN116554264A CN 116554264 A CN116554264 A CN 116554264A CN 202310449543 A CN202310449543 A CN 202310449543A CN 116554264 A CN116554264 A CN 116554264A
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rosa roxburghii
cys
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廖小军
杨焕治
王永涛
赵靓
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China Agricultural University
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Abstract

The invention relates to an antioxidant oligopeptide of roxburgh rose, a preparation method and application thereof, and an antioxidant product. The Rosa roxburghii antioxidant oligopeptide has an amino acid sequence shown as Gly-Cys-Met, asp-Cys-Gly, glu-Cys-Ala or Ala-Cys-Gly; the preparation method comprises the following steps: pulping fresh Rosa roxburghii fruit, performing first centrifugation, collecting first supernatant, performing protein sedimentation and second centrifugation on the first supernatant, collecting precipitate, and purifying the precipitate to obtain the Rosa roxburghii antioxidant oligopeptide; the application of the oligopeptide or the oligopeptide prepared by the method in preparing antioxidant products; the antioxidant article comprises: fructus Rosae Normalis antioxidant oligopeptide. The antioxidant oligopeptide prepared by the invention has strong antioxidant capacity and is beneficial to human health.

Description

Rosa roxburghii antioxidant oligopeptide, preparation method and application thereof and antioxidant product
Case division information
The application is a divisional application of patent application number 202111163801.6 and patent name Rosa roxburghii antioxidant oligopeptide and preparation method and application thereof and antioxidant products, which are submitted to China national intellectual property office on the year of 2021, 09 and 30.
Technical Field
The invention belongs to the technical field of biology, and particularly relates to an antioxidant oligopeptide of roxburgh rose, a preparation method and application thereof, and an antioxidant product.
Background
Rosa roxburghii (Rosa roxburghii Tratt) is fruit of silk reeling flower of perennial fallen leaves of Rosaceae, is special fruit in southwest area of China, and is mainly rich in SOD and V C Active ingredients such as flavone, polysaccharide, polyphenol, trace elements and the like. V in every 100g of fresh fructus Rosae Normalis C The content of 3730mg is 550 times of that of apple, and 6-10 times of that of kiwi fruit; the fresh fructus rosae roxburghii contains 2909mg of flavone, 32.1mg of superoxide dismutase (SOD) and 4500-5500U/g of SOD activity, and is known as 'Sanwang fruit'. Studies have shown that: the roxburgh rose has the effects of resisting oxidation, delaying aging, inhibiting bacteria, invigorating stomach, promoting digestion, regulating organism immunity, resisting tumor, reducing blood sugar and blood fat, resisting atherosclerosis, detoxifying, dispelling alcohol and protecting liver, and the like, and how to reasonably utilize the roxburgh rose to develop an antioxidant product becomes a research hot spot.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art to at least some extent. Therefore, the invention provides the roxburgh rose antioxidant oligopeptide, the preparation method and application thereof and the antioxidant product, and the prepared roxburgh rose antioxidant oligopeptide has strong antioxidant capacity and is beneficial to human health; the preparation method has high yield and can be used for industrialized mass production. In one aspect of the invention, the invention provides an antioxidant oligopeptide of Rosa roxburghii. According to an embodiment of the invention, the Rosa roxburghii antioxidant oligopeptide has an amino acid sequence as shown in Gly-Cys-Met, asp-Cys-Gly, glu-Cys-Ala or Ala-Cys-Gly.
In the research process, the inventor finds that the SOD with ultrahigh content and activity in the roxburgh rose can not be separated and purified from the roxburgh rose in the storage process of the roxburgh rose, but higher SOD activity is detected, and further, the roxburgh rose SOD is presumed to be possibly degraded into peptide fragments with SOD activity. Furthermore, the inventor obtains the antioxidant oligopeptide of the roxburgh rose through extracting the oligopeptide in the roxburgh rose, and the antioxidant oligopeptide has strong antioxidant capacity and higher superoxide anion, hydroxyl radical and DPPH radical scavenging capacity.
In another aspect of the invention, the invention provides a method for preparing the antioxidant oligopeptide of roxburgh rose. According to an embodiment of the invention, the method comprises the steps of: pulping fresh fructus Rosae Normalis, centrifuging, and collecting first supernatant; carrying out protein sedimentation and second centrifugation on the first supernatant, and collecting sediment; purifying the precipitate to obtain the antioxidant oligopeptide of fructus Rosae Normalis. The preparation method is simple to operate, low in production cost and capable of carrying out industrialized mass production.
According to an embodiment of the present invention, the buffer is mixed with the fresh fructus Rosae Normalis before the beating treatment.
According to the embodiment of the invention, the mass-volume ratio of the fresh rosa roxburghii fruit to the buffer solution is 1: (0.5-2), wherein the unit is g/mL, the pH value of the buffer solution is 8.5-9.5, and the pulping time is 2-5 min.
According to the embodiment of the invention, before the first centrifugal treatment, the slurry obtained by pulping treatment is placed for 2-6 hours at the temperature of 0-25 ℃, and then the obtained slurry is subjected to filtration treatment, and the filtrate is collected.
According to an embodiment of the present invention, the centrifugal force of the first centrifugal treatment is 10000-12000 g, the time is 10-20 min, and the temperature is 0-4 ℃.
According to the embodiment of the invention, the sedimentation agent adopted in the protein sedimentation treatment is selected from ammonium sulfate, the saturation degree of the ammonium sulfate is 60-80%, the reaction temperature is 0-4 ℃, and the time is 6-12 h.
According to an embodiment of the present invention, the centrifugal force of the second centrifugal treatment is 10000-12000 g, the time is 10-20 min, and the temperature is 0-4 ℃.
According to an embodiment of the invention, the purification treatment comprises: re-dissolving and dialyzing the precipitate, and collecting the permeate; and (3) removing impurities, carrying out enzymolysis and ultrafiltration centrifugation on the permeate liquid, and collecting filtrate to obtain a mixture containing the antioxidant oligopeptide of the roxburgh rose.
According to an embodiment of the invention, the redissolution treatment is carried out by using a redissolution selected from Tris-HCl solution with pH value of 8.5-9.5.
According to the embodiment of the invention, the pore size of the filter membrane adopted in the dialysis treatment is 1-10kDa.
According to the embodiment of the invention, the impurity removal treatment comprises the steps of mixing active carbon with the permeate liquid, wherein the weight-volume ratio of the active carbon to the permeate liquid is (0.05-0.1): 1, the mixing time is 2-4 h, centrifuging the obtained mixed liquid at the temperature of 0-4 ℃ for 10-20 min under the condition of 5000-10000 g, and collecting supernatant.
According to the embodiment of the invention, the enzyme adopted in the enzymolysis treatment is at least one selected from papain, alkaline protease and trypsin, and the enzyme activity is 50-100U/g.
According to the embodiment of the invention, the reaction temperature of the enzymolysis treatment is 40-55 ℃ and the reaction time is 2-6 h.
According to the embodiment of the invention, the ultrafiltration centrifugal treatment adopts an ultrafiltration membrane with the pore diameter of 1-3kDa.
In a further aspect of the invention, the invention provides an application of the roxburgh rose antioxidant oligopeptide or the oligopeptide prepared by the method in preparation of antioxidant products. The roxburgh rose antioxidant oligopeptide has strong antioxidant capacity and can be applied to a plurality of industries such as medical and health industries, food health care, cosmetics and the like.
In yet another aspect of the invention, an antioxidant article is provided. According to an embodiment of the invention, the method comprises: the above oligopeptide or the above oligopeptide prepared by the above method. The antioxidant product can be, but is not limited to, oral liquid, beverage, medicament, and cosmetic.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
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The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a flow chart of the preparation of the antioxidant oligopeptide of Rosa roxburghii in example 1;
FIG. 2 is a total ion flow diagram of the preparation of the antioxidant oligopeptide of Rosa roxburghii in example 1;
FIG. 3 is a schematic diagram showing the preparation of the antioxidant oligopeptide SEQ ID NO:4, liquid chromatography and mass spectrogram;
FIG. 4 is a schematic illustration of the preparation of the antioxidant oligopeptide SEQ ID NO:5 liquid chromatography and mass spectrogram;
FIG. 5 is a schematic diagram showing the preparation of the antioxidant oligopeptide SEQ ID NO:3 liquid chromatography and mass spectrogram;
FIG. 6 shows the preparation of the antioxidant oligopeptide SEQ ID NO:1, liquid chromatography and mass spectrogram;
FIG. 7 is a schematic illustration of the preparation of the antioxidant oligopeptide SEQ ID NO:2, liquid chromatography and mass spectrogram.
Detailed Description
Embodiments of the present invention are described in detail below. The following examples are illustrative only and are not to be construed as limiting the invention.
It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. Further, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The invention provides an antioxidant oligopeptide of roxburgh rose, a preparation method and application thereof, and an antioxidant product, and the antioxidant oligopeptide, the application and the antioxidant product are respectively described in detail below.
Rosa roxburghii antioxidation oligopeptide
In one aspect of the invention, the invention provides an antioxidant oligopeptide of Rosa roxburghii. According to an embodiment of the invention, the Rosa roxburghii antioxidant oligopeptide has an amino acid sequence as shown in Gly-Cys-Met, asp-Cys-Gly, glu-Cys-Ala or Ala-Cys-Gly. In the research process, the inventor finds that the roxburgh rose has super-high content and activity of SOD, and the roxburgh rose SOD can not be separated and purified from the roxburgh rose in the storage process of the roxburgh rose, but higher SOD activity is detected. Furthermore, it is presumed that the SOD of Rosa roxburghii is degraded into peptide fragments having SOD activity. Furthermore, the inventor obtains the antioxidant oligopeptide of the roxburgh rose through extracting the oligopeptide in the roxburgh rose, and the antioxidant oligopeptide has strong antioxidant capacity and higher scavenging capacity of superoxide anions, hydroxyl radicals and DPPH radicals.
Method for preparing antioxidant oligopeptide of roxburgh rose
In another aspect of the invention, the invention provides a method for preparing the antioxidant oligopeptide of roxburgh rose. According to an embodiment of the invention, the method comprises the steps of: pulping fresh fructus Rosae Normalis, centrifuging, and collecting first supernatant; carrying out protein sedimentation and second centrifugation on the first supernatant, and collecting sediment; purifying the precipitate to obtain the antioxidant oligopeptide of fructus Rosae Normalis. The preparation method is simple to operate and low in production cost.
According to an embodiment of the present invention, the buffer is mixed with fresh fructus Rosae Normalis before the pulping process. By adding the buffer solution, protein denaturation is prevented, and stability of antioxidant substances in the rosa roxburghii tratt is ensured.
According to the embodiment of the invention, the mass-volume ratio of the fresh rosa roxburghii fruit to the buffer solution is 1: (0.5-2) (e.g., 1:0.5, 1:0.8, 1:1, 1:1.2, 1:1.5, 1:1.7, 1:1.9), the pH of the buffer is 8.5-9.5 (e.g., 8.5, 8.7, 8.9, 9.1, 9.3, 9.5), and the beating time is 2-5 min (e.g., 2min, 2.5min, 3min, 3.5min, 4min, 4.5min, 5 min). The addition amount and the pH value of the buffer solution can ensure the stability of protein in the roxburgh rose and prevent the protein from denaturing; moreover, the pulp in the fresh rosa roxburghii fruit can be better extracted by adopting the pulping condition.
According to an embodiment of the present invention, before the first centrifugal treatment, the slurry obtained by the beating treatment is left for 2 to 6 hours (e.g., 2 hours, 2.5 hours, 3.5 hours, 4 hours, 4.5 hours, 5 hours, 5.5 hours, 6 hours) at 0 to 25 ℃ (e.g., 0 ℃,5 ℃,10 ℃,15 ℃, 20 ℃, 25 ℃), and then the obtained slurry is subjected to filtration treatment to collect the filtrate. Through the low-temperature placement, the oligopeptide in the antioxidation of the rosa roxburghii tratt can completely permeate into the slurry, so that the antioxidation substances in the fresh rosa roxburghii tratt can be conveniently extracted in the later period.
According to an embodiment of the present invention, the first centrifugation is performed at a centrifugal force of 10000 to 12000g (e.g., 10000g, 10500g, 11000g, 11500g, 12000 g) for 10 to 20min (e.g., 10min, 12min, 14min, 16min, 18min, 20 min) and at a temperature of 0 to 4 ℃ (e.g., 0 ℃,1 ℃, 2 ℃, 3 ℃,4 ℃). Therefore, the purpose of separating protein is achieved, and the content and purity of protein in supernatant are high.
According to an embodiment of the invention, the sedimentation agent used for the protein sedimentation treatment is selected from ammonium sulphate having a saturation of 60 to 80%, a reaction temperature of 0 to 4 ℃ (e.g. 0 ℃,1 ℃, 2 ℃, 3 ℃,4 ℃) and a time of 6 to 12 hours (e.g. 6 hours, 7 hours, 8 hours, 9 hours, 10 hours, 11 hours, 12 hours). Through the protein sedimentation conditions, the protein in the roxburgh rose is completely separated out, so that the purpose of purifying the protein is achieved.
According to an embodiment of the invention, the second centrifugation is performed at a rotational speed of 10000-12000 g (e.g. 10000g, 10500g, 11000g, 11500g, 12000 g) for 10-20 min (e.g. 10min, 12min, 14min, 16min, 18min, 20 min) and at a temperature of 0-4 ℃ (e.g. 0 ℃,1 ℃, 2 ℃, 3 ℃,4 ℃). By adopting the centrifugal condition, the protein in the Rosa roxburghii protein sediments completely, and the protein can be separated better.
According to an embodiment of the invention, the purification treatment comprises: re-dissolving and dialyzing the precipitate, and collecting the permeate; removing impurities from the permeate, performing enzymolysis and ultrafiltration centrifugation, and collecting filtrate to obtain a mixture containing the antioxidant oligopeptide of the roxburgh rose. Therefore, impurities in the precipitate are removed, protein in the precipitate is purified, and meanwhile, the protein can be hydrolyzed into peptide fragments, so that the high-purity roxburgh rose antioxidant oligopeptide can be obtained in a later period conveniently.
According to an embodiment of the invention, the reconstitution treatment is performed using a reconstitution solvent selected from Tris-HCl solutions having a pH of 8.5-9.5 (e.g. 8.5, 8.7, 8.9, 9.1, 9.3, 9.5). By adopting the complex solvent, the precipitate obtained by the second centrifugal treatment can be dissolved, so that the protein is dissolved in the complex solvent, and the antioxidation oligopeptide of the roxburgh rose can be further purified in the later period; in addition, the addition of the complex solvent can ensure the stability of the protein.
According to an embodiment of the invention, the dialysis treatment uses a filter with a pore size of 1-10kDa (e.g. 1kDa, 3kDa, 5kDa, 10 kDa). The filter membrane with the aperture is adopted to completely separate out protein so as to improve the extraction rate of the antioxidant oligopeptide of the roxburgh rose.
According to the embodiment of the invention, the impurity removal treatment comprises mixing active carbon and permeate liquid, wherein the weight-volume ratio of the active carbon to the permeate liquid is (0.05-0.1): 1 (e.g. 0.05:1, 0.06:1, 0.07:1, 0.08:1, 0.09:1, 0.1:1) for 2-4 h (e.g. 2h, 2.5h, 3h, 3.5h, 4 h), centrifuging the obtained mixture at 0-4 ℃ (e.g. 0 ℃,1 ℃, 2 ℃, 3 ℃,4 ℃) and 5000-10000 g (e.g. 5000g, 6000g, 7000g, 8000g, 9000g, 10000 g) for 10-20 min (e.g. 10min, 12min, 14min, 16min, 18min, 20 min), and collecting supernatant. Experiments of the inventor show that a large amount of polyphenols are contained in the roxburgh rose juice, the polyphenols are easy to oxidize and change color, and impurities such as the polyphenols can be removed through the activated carbon, so that the influence of the polyphenols existing in the later period on the experiments can be prevented. Oligopeptide according to the embodiment of the invention, enzyme adopted in enzymolysis treatment is at least one of papain, alkaline protease and trypsin, and the enzyme activity is 50-100U/g. The enzyme is adopted to carry out enzymolysis on protein, so as to obtain peptide fragments, and the yield of the peptide fragments is improved.
According to an embodiment of the present invention, the reaction temperature of the enzymolysis treatment is 40 to 55 ℃ (e.g., 40 ℃, 44 ℃, 48 ℃, 51 ℃, 55 ℃) and the reaction time is 2 to 6 hours (e.g., 2 hours, 3 hours, 4 hours, 5 hours, 6 hours). Therefore, the enzymolysis treatment has good effect, and can completely carry out enzymolysis on the protein, so that the oligopeptide or polypeptide has high acquisition rate.
According to embodiments of the invention, ultrafiltration centrifugation is performed using ultrafiltration membranes having pore sizes of 1-3kDa (e.g., 1kDa, 3 kDa). The adoption of the ultrafiltration membrane with the aperture can completely separate the antioxidant oligopeptide of the roxburgh rose.
Application of roxburgh rose antioxidant oligopeptide
In a further aspect of the invention, the invention provides an application of the roxburgh rose antioxidant oligopeptide or the oligopeptide prepared by the method in preparation of antioxidant products. The roxburgh rose antioxidant oligopeptide has strong antioxidant capacity and can be applied to a plurality of industries such as medical and health industries, food health care, cosmetics and the like.
Those skilled in the art will appreciate that the features and advantages described above for the antioxidant oligopeptide are equally applicable to the application of the antioxidant oligopeptide of Rosa roxburghii, and will not be described in detail herein.
Antioxidant articles
In yet another aspect of the invention, an antioxidant article is provided. According to an embodiment of the invention, it comprises: fructus Rosae Normalis antioxidant oligopeptide. The antioxidant product can be, but is not limited to, medicines, foods, cosmetics, etc.
Those skilled in the art will appreciate that the features and advantages described above for the antioxidant oligopeptides are equally applicable to the antioxidant preparation and will not be described in detail herein.
The scheme of the present invention will be explained below with reference to examples. It will be appreciated by those skilled in the art that the following examples are illustrative of the present invention and should not be construed as limiting the scope of the invention. The examples are not to be construed as limiting the specific techniques or conditions described in the literature in this field or as per the specifications of the product. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
Example 1: preparation of antioxidant oligopeptide of Rosa roxburghii
As shown in fig. 1, the roxburgh rose antioxidant oligopeptide is prepared by the following steps:
1) Adding a buffer solution into fresh rosa roxburghii fruit for pulping treatment, wherein the buffer solution is 50mM Tris-HCl, the pH value is 8.8, and the rosa roxburghii fruit is 1000g: buffer mL = 1:1, pulping for 5min by a pulping machine, and leaching the serous fluid obtained by pulping treatment for 6h at 25 ℃;
2) Filtering the leached slurry with four layers of gauze, centrifuging at 4deg.C and centrifugal force of 10000g for 20min, collecting supernatant, wherein the supernatant is crude enzyme extract;
3) Slowly adding ammonium sulfate into the supernatant obtained in the step 2) at the temperature of 0 ℃ until the saturation degree of the ammonium sulfate is 70%, then settling for 12 hours at the temperature of 0 ℃ after the ammonium sulfate is fully dissolved, and collecting a settling solution;
4) Centrifuging the sedimentation liquid at 4deg.C and 10000g for 20min, and collecting the sediment;
5) Adding 50mM Tris-HCl complex solution with pH value of 8.8 into the precipitate, dialyzing with 10kDa filter membrane for 24h, and replacing buffer solution for 6 times;
6) Adding activated carbon into the dialysate to remove impurities for 4h, centrifuging at 4deg.C under centrifugal force of 10000g for 20min, and collecting precipitate, wherein the addition amount of activated carbon is 10% of the volume of the permeate;
7) Adding papain and alkaline protease with the mass ratio of 1:1 into the precipitate in the step 7), wherein the enzyme activity is 100U/g, and then carrying out enzymolysis for 4 hours at 50 ℃ to obtain an enzymolysis product;
8) Ultrafiltering the enzymolysis product by adopting ultrafilters with pore diameters of 30kDa, 10kDa and 3kDa to obtain antioxidant peptide combination 1, antioxidant peptide combination 2 and antioxidant peptide combination 3;
9) Carrying out UPLC-ESI-QTOF-MS/MS structure identification on 3 antioxidant peptide combinations respectively, wherein the chromatographic conditions are Welch Ultimate UPLC XB-C18 chromatographic column (100mm x 2.1mm,1.8um), UV detection wavelength is 220nm, and column temperature is as follows: 40 ℃, mobile phase: 0.1% TFA in water-acetonitrile, 2. Mu.L of sample was introduced at flow rate: 0.3ml/min, gradient elution: 0min,10% B;15min,15% B;30min,40% B;31min,95% b;35min,10% B;
mass spectrometry positive ion mode detection conditions; capillary voltage (Capillary Voltage) 3000 v; ion source temperature: 500 ℃, atomizer: 40psi, heater: 50psi, collision energy: 6eV; the first-order relative molecular mass scanning range is: 100-1500 Da: the second-order relative molecular mass scan range is: 50-1500 Da;
analyzing the original data generated by the mass spectrum by adopting Mascot software, and searching a Momordica-charatia fasta database for comparison to totally detect 28 peptide fragments from roxburgh rose;
10 By analyzing the 28 peptide fragments, comparing the polypeptide database, and carrying out biosynthesis on 5 Rosa roxburghii oligopeptides deduced to have certain antioxidant activity, wherein the synthesis is carried out by solid phase synthesis, desalination, purification and salt conversion (acetate conversion) treatment of 'Beijing Boaosen Biotechnology Co., ltd.', the synthesis amount is 20mg, the purity is more than 90 percent, and the specific reference is shown in figure 2;
wherein, the 5 kinds of roxburgh rose oligopeptides are respectively:
SEQ ID NO:1 is Asp-Cys-Gly;
SEQ ID NO:2 is Glu-Cys-Ala;
SEQ ID NO:3 is Ala-Cys-Gly;
SEQ ID NO:4 is Leu-Cys-Ser;
SEQ ID NO:5 is Gly-Cys-Met.
11 In vitro superoxide anion clearance, hydroxyl radical clearance and DPPH clearance are detected for 5 kinds of roxburgh rose oligopeptides after biosynthesis, and specific results are shown in table 1.
Wherein, superoxide anion clearance determination: 2950. Mu.L of Tris-HCl buffer (pH 8.2) was taken, 50. Mu.L of pyrogallol solution was added, rapid mixing was started, and the absorbance at 325nm was read every 30 seconds (A) 1 ) Until 300s (A 2 ) Delta A was calculated 0 =A 1 -A 2 The method comprises the steps of carrying out a first treatment on the surface of the Sample solution, tris-HCl buffer, and pyrogallol solution were added and mixed rapidly, and the time was started, absorbance at 325nm wavelength was read every 30s (sample A1) until 300 seconds (sample A2), and ΔA=sample A1-sample A2 was calculated. The formula for calculating the superoxide anion clearance rate:
hydroxyl radical scavenging assay: taking 1.0mL of anhydrous ethanol solution of phenanthroline with the concentration of 1.865mmol/L, respectively adding 2mL of pH 7.4 phosphate buffer solution with the concentration of 0.2mol/L and 1mL of samples with different mass concentrations, fully and uniformly mixing, and adding 1.0mL of FeSO with the concentration of 1.865mmol/L 4 ·7H 2 O solution, mixing again, adding 1.0mL of 0.03% (V/V) H 2 O 2 Respectively measuring the absorbance of each group of mixed solution at 532nm wavelength after 60min in a constant-temperature water bath at 37 ℃ to obtain A S Ab was measured by measuring absorbance using distilled water instead of the sample as a blank group, and H was replaced with distilled water 2 O 2 As a lesion group, the photometric value An was measured. The formula for the calculation of OH clearance:
DPPH radical scavenging assay: taking 2mL of DPPH solution, adding 1mL of 95% ethanol (or absolute ethanol), mixing thoroughly, measuring absorbance at 517nm wavelength (A 0 ) The method comprises the steps of carrying out a first treatment on the surface of the Taking 2mL of DPPH solution, adding a sample solution, adding 95% ethanol (or absolute ethanol), mixing, standing for 30min, and measuring absorbance (A) at 517nm wavelength. DPPH radical clearance is calculated by the formula:
table 1 oxidation resistance of five kinds of roxburgh rose oligopeptides
The comparison sequence in the table above is glutathione, and the oxidation resistance of the Rosa roxburghii oligopeptide prepared by the invention is similar to that of glutathione, so that all three Rosa roxburghii oligopeptides prepared by the invention have glutathione-like oxidation resistance active peptides which can be used as substitutes of glutathione.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. A Rosa roxburghii antioxidant oligopeptide, which is characterized in that the Rosa roxburghii antioxidant oligopeptide has an amino acid sequence shown as Gly-Cys-Met, asp-Cys-Gly, glu-Cys-Ala or Ala-Cys-Gly.
2. A method for preparing the antioxidant oligopeptide of rosa roxburghii tratt of claim 1, which comprises the following steps:
pulping fresh fructus Rosae Normalis, centrifuging, and collecting first supernatant;
carrying out protein sedimentation and second centrifugation on the first supernatant, and collecting sediment;
subjecting the precipitate to a purification treatment to obtain the antioxidant oligopeptide of Rosa roxburghii according to claim 1.
3. The method of claim 2, wherein prior to the beating treatment, a buffer is mixed with the fresh fruit of rosa roxburghii;
optionally, the mass-volume ratio of the fresh rosa roxburghii fruit to the buffer solution is 1: (0.5-2), wherein the unit is g/mL, the pH value of the buffer solution is 8.5-9.5, and the pulping time is 2-5 min;
optionally, before the first centrifugal treatment, placing the slurry obtained by the pulping treatment at 0-25 ℃ for 2-6 hours, filtering the obtained slurry, and collecting filtrate.
4. The method according to claim 2, wherein the first centrifugation is performed at a centrifugal force of 10000 to 12000g for a time of 10 to 20min and a temperature of 0 to 4 ℃.
5. The method according to claim 2, wherein the protein sedimentation treatment uses a sedimentation agent selected from ammonium sulfate, the saturation degree of the ammonium sulfate is 60-80%, the reaction temperature is 0-4 ℃ and the time is 6-12 h;
optionally, the centrifugal force of the second centrifugal treatment is 10000-12000 g, the time is 10-20 min, and the temperature is 0-4 ℃.
6. The method of claim 2, wherein the purification treatment comprises:
re-dissolving and dialyzing the precipitate, and collecting the permeate;
and (3) removing impurities, carrying out enzymolysis and ultrafiltration centrifugation on the permeate liquid, and collecting filtrate to obtain a mixture containing the antioxidant oligopeptide of the roxburgh rose.
7. The method according to claim 6, wherein the reconstitution treatment is performed using a reconstitution solvent selected from Tris-HCl solutions having a pH of 8.5-9.5;
optionally, the pore size of a filter membrane adopted in the dialysis treatment is 1-10kDa;
optionally, the impurity removal treatment comprises mixing active carbon and the permeate liquid, wherein the weight-volume ratio of the active carbon to the permeate liquid is (0.05-0.1): 1, the mixing time is 2-4 h, centrifuging the obtained mixed liquid at 0-4 ℃ for 10-20 min under the condition of 5000-10000 g, and collecting supernatant.
8. The method according to claim 6, wherein the enzyme adopted in the enzymolysis treatment is at least one enzyme selected from papain, alkaline protease and trypsin, and the enzyme activity is 50-100U/g;
optionally, the reaction temperature of the enzymolysis treatment is 40-55 ℃ and the reaction time is 2-6 h;
optionally, the ultrafiltration centrifugation treatment adopts an ultrafiltration membrane with a pore size of 1-3kDa.
9. Use of an oligopeptide according to claim 1 or prepared according to the method of any one of claims 2 to 8 for the preparation of an antioxidant preparation.
10. An oxidation resistant article comprising: the oligopeptide of claim 1 or the oligopeptide prepared by the method of any one of claims 2-8.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007117444A2 (en) * 2006-03-31 2007-10-18 Yinghe Hu Protein detection by aptamers
CN102492018A (en) * 2010-07-27 2012-06-13 萧乃文 Tyrosinase polypeptide inhibitor
CN103073621A (en) * 2012-12-20 2013-05-01 浙江海洋学院 Minced tuna protein antioxidative peptide and its preparation method and use
WO2014134225A2 (en) * 2013-02-26 2014-09-04 Pronutria, Inc. Nutritive polypeptides, formulations and methods for treating disease and improving muscle health and maintenance
CN105061621A (en) * 2015-08-07 2015-11-18 广西南宁派腾科技有限公司 Ultrasonic extraction method of Rosa roxbunghii fructose

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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JP2916925B2 (en) * 1989-08-28 1999-07-05 丸善製薬株式会社 Superoxide scavenger, food and drink and cosmetics
JP6515486B2 (en) * 2014-10-29 2019-05-22 株式会社豊田中央研究所 Rare earth species capture material and use thereof
CN107266534B (en) * 2017-07-03 2020-11-13 大连理工大学 Small peptide for resisting oxidation and inhibiting melanin generation, preparation method and application thereof
CN108835630A (en) * 2018-08-02 2018-11-20 中国农业大学 A kind of oral solution and preparation method thereof with high SOD enzyme activity

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007117444A2 (en) * 2006-03-31 2007-10-18 Yinghe Hu Protein detection by aptamers
CN102492018A (en) * 2010-07-27 2012-06-13 萧乃文 Tyrosinase polypeptide inhibitor
CN103073621A (en) * 2012-12-20 2013-05-01 浙江海洋学院 Minced tuna protein antioxidative peptide and its preparation method and use
WO2014134225A2 (en) * 2013-02-26 2014-09-04 Pronutria, Inc. Nutritive polypeptides, formulations and methods for treating disease and improving muscle health and maintenance
CN105061621A (en) * 2015-08-07 2015-11-18 广西南宁派腾科技有限公司 Ultrasonic extraction method of Rosa roxbunghii fructose

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