CN113171752A - Method for eliminating biogenic amine by using metal organic framework material in fruit wine aging process - Google Patents

Method for eliminating biogenic amine by using metal organic framework material in fruit wine aging process Download PDF

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CN113171752A
CN113171752A CN202110451030.4A CN202110451030A CN113171752A CN 113171752 A CN113171752 A CN 113171752A CN 202110451030 A CN202110451030 A CN 202110451030A CN 113171752 A CN113171752 A CN 113171752A
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fruit wine
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wine
amine
biogenic amine
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CN113171752B (en
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张淑荣
王鲁良
孙舒扬
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Ludong University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/223Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material containing metals, e.g. organo-metallic compounds, coordination complexes
    • B01J20/226Coordination polymers, e.g. metal-organic frameworks [MOF], zeolitic imidazolate frameworks [ZIF]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28009Magnetic properties
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12HPASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/04Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material
    • C12H1/0408Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material with the aid of inorganic added material
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12HPASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/04Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material
    • C12H1/0416Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material with the aid of organic added material

Abstract

The invention discloses a method for eliminating biogenic amine by utilizing a metal organic framework material in the process of ageing fruit wine, which is characterized in that the metal organic framework material is added into the fruit wine in the process of ageing the fruit wine to remove biogenic amine in the fruit wine; the metal organic framework material is Fe3O4A nano-particle biological amine remover. The skeleton material has the advantages of high hydrophilicity, high reactivity, easy separation from a reaction system, repeatable utilization rate and the like, and can efficiently adsorb the wine body without negative influence on the nutritional composition and sensory characteristics of the wine bodyThe existence of histamine, putrescine and tyramine eliminates potential food safety hazards in fermented alcoholic beverages and enhances the market competitiveness of the products.

Description

Method for eliminating biogenic amine by using metal organic framework material in fruit wine aging process
Technical Field
The invention belongs to the field of ageing, and particularly relates to a method for eliminating biogenic amine by using a metal organic framework material in a fruit wine ageing process.
Background
Biogenic amines are a class of low molecular weight nitrogen-containing organic bases that are typically formed by decarboxylation of amino acids. Common alcoholic beverages such as wine, yellow wine, beer, etc. are rich in biogenic amines. The biogenic amines commonly existing in the fruit wine comprise histamine, tyramine, putrescine, phenethylamine, cadaverine and the like, and a proper amount of biogenic amines have certain promotion effect on human health, but when the content of biogenic amines is too high, the biogenic amines can generate toxic action on human bodies, so that the symptoms of hectic fever, blood pressure rise, arrhythmia, vomit, dyspnea, rash and the like appear on the human bodies, and even the life can be threatened. The three most toxic substances in the biogenic amines are histamine, tyramine and putrescine. In view of the toxicity and potential danger of biogenic amines, the development of relevant research on the strict control of biogenic amine content in food products is of great importance to ensure a healthy diet for people.
Magnetic Nanoparticles (MNPs) are a new type of nanomaterial that has been developed rapidly in recent decades, have good magnetic response under an applied magnetic field, are easy and convenient to prepare, are convenient for chemical modification, and have good biocompatibility, and are widely used in various industrial fields. The polymer Fe3O4 magnetic nanosphere is prepared from polymer and Fe3O4The compound with the size less than 100nm combined with the magnetic spheres has nanometer size, magnetic guidance and biocompatibility, is uniformly dispersed in a solution and can move along with the change of an external magnetic field, so that the compound can be quickly separated from a food system. In addition, the polymer can be connected with functional groups, so that the functionalization of the polymer magnetic nanospheres is quickly realized, the functions of the polymer magnetic nanospheres are widened, and the stability of the polymer magnetic nanospheres is enhanced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for eliminating biogenic amine by using a metal organic framework material in the fruit wine aging process, so that the safety of the fruit wine is greatly improved, the market competitiveness of the product is enhanced, and the body health of a drinker is guaranteed.
The specific technical scheme is as follows:
a method for eliminating biogenic amine by using a metal organic framework material in the process of ageing fruit wine is different from the prior art in that the metal organic framework material is added into the fruit wine in the process of ageing the fruit wine to remove biogenic amine in the fruit wine; the metal organic framework material is Fe3O4A nano-particle biological amine remover.
The fruit wine is prepared by crushing fruits, squeezing, performing enzymolysis, performing alcoholic fermentation, performing malic acid and lactic acid fermentation (without the process, determined according to the characteristics of the fruit wine), clarifying, and aging.
Fruit wines sold in the market, including grape wine, cherry wine, blueberry wine, mulberry wine and the like, inevitably introduce or synthesize biogenic amine in the production process. The synthesis or accumulation of biogenic amine can be caused in multiple links of fruit wine brewing, such as raw material crushing, alcohol fermentation, malic acid lactic acid fermentation, clarification, aging and the like, but elimination in the link before aging can only ensure the effective control of a single link, and the recontamination of biogenic amine in the subsequent process cannot be controlled. Therefore, from the practical production point of view, the problem of biogenic amine accumulation caused by all the previous process steps (including raw material bringing, alcohol fermentation, malic acid lactic acid fermentation and clarification) can be solved at the same time in the process starting from the aging process.
The invention autonomously synthesizes a metal organic nanometer framework material, is characterized by being used for efficiently adsorbing histamine, tyramine and putrescine existing in a wine body in the aging process of the fruit wine on the premise of not having negative influence on the nutritional composition and the sensory characteristics of the wine body, has high efficiency and economy, eliminates potential food safety hazards in fermented alcoholic beverages, improves the safety of products, is an innovative proposal and a solution method for solving the problem that the biogenic amine content of the fruit wine exceeds the standard, and is worthy of popularization and application in the production process of the fruit wine.
Further, said Fe3O4The preparation method of the nano-particle biological amine remover comprises the following steps:
(1) preparation of Fe3O4Magnetic nanoparticles;
(2) preparation of functionalized Fe3O4Nanoparticles; the functional Fe3O4The nano particle is 3- (methacryloyloxy) propyl trimethoxy silane functionalized Fe3O4Nanoparticles;
(3) preparation of Fe with biogenic amine molecules as templates3O4A nano-particle biological amine remover.
Further, in the step (3), the biogenic amine molecules comprise one or more of histamine, tyramine and putrescine.
Further, step (1) is FeCl3·6H2O、FeSO4·4H2Preparation of Fe by taking O as raw material through solvothermal method3O4Magnetic nanoparticles; the specific working conditions are as follows:
the mass ratio of (2.5-2.8): 1 FeCl3·6H2O and FeSO4·4H2Dissolving O in water, adjusting the pH value to 11.0-12.0, stirring for 3-4 h at the temperature of 60-70 ℃, washing and separating the obtained product, and drying to obtain Fe3O4Magnetic nanoparticles.
Further, in the step (1), the pH is adjusted using ammonia water. The concentration of ammonia is preferably 25 wt%.
Still further, in the step (1), the washing is: washed three times with sterile water and ethanol in sequence.
Still further, in the step (1), the separation is: the product was isolated using a permanent magnet.
Still further, in the step (1), the drying is: drying in a drying oven at 40-45 ℃ for 6-12 h.
Still further, in the step (1), the water is preferably deionized water.
Further, the working conditions of the step (2) are as follows:
fe obtained in the step (1)3O4Dispersing magnetic nanoparticles in ethanol, adding 3- (methacryloyloxy) propyl trimethoxy silane, stirring at 35-45 ℃ for 10-12 h, washing, separating and drying the obtained product to obtain functional Fe3O4Nanoparticles.
Further, in the step (2), Fe3O4The dosage ratio of the magnetic nanoparticles to the 3- (methacryloyloxy) propyl trimethoxy silane is 100 mg: (2-3) mL.
Still further, in the step (2), the washing is: washed three times with sterile water and ethanol in sequence.
Still further, in the step (2), the separation is: the product was isolated using a permanent magnet.
Still further, in the step (2), the drying is: drying in a drying oven at 40-45 ℃ for 6-12 h.
Further, the working conditions of the step (3) are as follows:
functionalized Fe obtained in the step (2)3O4Mixing and dispersing nano particles, N-ethyl-2- (methacryloyloxy) -N, N-dimethylethylammonium bromide, acrylamide, N' -methylenebisacrylamide, ammonium persulfate, polyethylene glycol methyl methacrylate, tetramethylethylenediamine and biogenic amine molecules serving as a template in a phosphate buffer solution, continuously stirring for 24-28 h at 20-25 ℃, washing with sterile water to remove the template, separating out a product, and drying to obtain Fe3O4A nano-particle biological amine remover.
Further, in the step (3), Fe is functionalized3O4The dosage ratio of the nano particles, N-ethyl-2- (methacryloyloxy) -N, N-dimethylethylammonium bromide, acrylamide, N' -methylenebisacrylamide, ammonium persulfate, polyethylene glycol methyl methacrylate and tetramethylethylenediamine is 100 mg: (30-35) μ g: (150-165) mg: (10-11) mg: (9-10) mg: (15-17) μ L: (6-7) mu L.
Further, in the step (3), Fe is functionalized3O4The mass ratio of the nanoparticles to the biogenic amine molecules is (3-4) to 1.
Still further, in step (3), the phosphate buffer was 10.0mM and the pH was 7.0.
Further, in the step (3), Fe is functionalized3O4The dosage ratio of the nano particles to the phosphate buffer solution is 100 mg: (13-15) mL.
Still further, in the step (3), the washing is: washed three times with sterile water and ethanol in sequence.
Still further, in the step (3), the separation is: the product was isolated using a permanent magnet.
Still further, in the step (3), the drying is: drying in a drying oven at 40-45 ℃ for 6-12 h.
Further, said Fe3O4The specific using method of the nano-particle biological amine remover comprises the following steps:
in aging, adding 1-10 g/L Fe in terms of the volume of the fruit wine to be treated into the fruit wine3O4Reacting the nano-particle biogenic amine remover for 6-20h, and then using a permanent magnet to remove Fe3O4And recovering the nano-particle biological amine removing agent.
Further, adding Fe into the fruit wine 3-5 days before the aging3O4The nano-particle biological amine remover is used for removing biological amine.
Further, the recovered Fe3O4The nano-particle biological amine remover is washed with sterile water for 2-3 times, and can be used for removing biological amine and Fe in aged fruit wine3O4The nano-particle biological amine remover can be reused, and the total use times can reach 10-12 times.
Further, the fruit wine is grape wine, cherry wine, blueberry wine or mulberry wine.
The invention has the following beneficial effects:
the metal organic nanometer framework material is synthesized autonomously, is characteristically used in the aging process of fruit wine, has the advantages of high hydrophilicity, high reactivity, easy separation from a reaction system, repeatable utilization rate and the like, can efficiently adsorb histamine, putrescine and tyramine existing in wine on the premise of not having negative influence on the nutritional composition and sensory characteristics of the wine, eliminates potential food safety hazards in fermented alcoholic beverages, and enhances the market competitiveness of products. The invention is an innovative proposal and a solution for solving the problem of overproof biogenic amine content in fruit wine, and has wide application prospect in the field of food safety.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example 1
1. Preparation of metal organic framework materials
(1) Preparation of Fe3O4Magnetic nanoparticles: 5.4g FeCl was weighed3·6H2O and 2.0g FeSO4·4H2O, dissolved in 100.0mL deionized water, and the pH is adjusted to 12.0 with ammonia (25 wt%); stirring the solution at 60 deg.C for 4h, sequentially washing the product with sterile water and ethanol for three times, separating the product with permanent magnet, and drying in drying oven at 40 deg.C for 12h to obtain Fe3O4Magnetic nanoparticles.
(2) Preparation of functionalized Fe3O4Nanoparticle: weighing 100mg of Fe obtained in step (1)3O4Dispersing the magnetic nanoparticles in 50.0mL of ethanol, and adding 2.0mL of 3- (methacryloyloxy) propyl trimethoxy silane to the solution; stirring the mixed solution at 45 ℃ for 10h, sequentially washing the product with sterile water and ethanol for three times, separating the product by using a permanent magnet, and drying the product in a drying oven at 40 ℃ for 12h to obtain functional Fe3O4Nanoparticles.
(3) Preparation of Fe3O4Nanoparticle biogenic amine remover: 100.0mg of functionalized Fe obtained in step (2)3O4Nanoparticles, 32.0. mu. g N-ethyl-2- (methacryloyloxy) -N, N-dimethylethylammonium bromide, 160.0mg acrylamide, 10mg N, N' -methylenebisacrylamide, 10.0mg ammonium persulfate, 16.0. mu.L polyethylene glycol methyl methacrylate, 6.4. mu.L tetramethylethylenediamine, 10mg histamine, 10mg tyramine, and 10mg putrescine were mixed and dispersed in 14.0mL phosphoric acid buffer (10.0mM, pH 7.0), continuously stirred at 20 ℃ for 28 hours, washed thoroughly, the template biogenic amine was removed, the product was isolated using a permanent magnet, and dried in a drying oven at 40 ℃ for 8 hours to obtain Fe3O4The nano-particle biological amine remover is named as Fe3O4@MIP。
2. Elimination of biogenic amines during wine aging
Selecting new wine obtained by crushing, squeezing, enzymolysis, alcoholic fermentation, malic acid lactic acid fermentation and clarification, and ageing the new wine at the temperature of 10 ℃. In that5g/L Fe in terms of the volume of the wine to be treated is added to the wine 5 days before the end of aging3O4Nanoparticle biogenic amine remover Fe3O4@ MIP, after 10h of reaction, the nanoparticle biogenic amine removal agent is recovered with a permanent magnet. The aging is carried out for 90 days.
Example 2
Fe obtained in example 1 was used3O4Nanoparticle biogenic amine remover Fe3O4@ MIP eliminates biogenic amines during the aging process of cherry wine.
Selecting new cherry wine obtained by crushing, squeezing, enzymolysis, alcoholic fermentation, malic acid lactic acid fermentation and clarification, and ageing the new cherry wine at the temperature of 15 ℃. Adding 8g/L Fe to the wine in terms of the volume of the wine to be treated 3 days before the end of aging3O4Nanoparticle biogenic amine remover Fe3O4@ MIP, after 8 hours of reaction, recovering the nano-particle biogenic amine removing agent by using a permanent magnet; the ageing lasts for 60 days.
Comparative example 1
Using the same wine as in example 1, aging was carried out at 10 ℃ for 90 days (the same aging conditions as in example 1) without carrying out the biogenic amine removal operation.
Comparative example 2
The same cherry wine as in example 2 was used and aged at 15 ℃ for 60 days (the same aging conditions as in example 2) without the removal of biogenic amine.
Test 1
The biogenic amine content of the wine bodies after aging of each example and each comparative example was tested and the results are shown in table 1.
TABLE 1 biogenic amine content after ageing of the examples and comparative examples
Biogenic amines Example 1 Example 2 Comparative example 1 Comparative example 2
Histamine (mg/L) 0.68 0.54 2.93 2.71
Tyramine (mg/L) 0.97 0.7 5.33 4.48
Putrescine (mg/L) 0.25 0.33 1.8 2.15
The content of three biogenic amines in the example and comparative wine samples was tested. As is clear from the results of the examination, Fe was used in the examples3O4The nanoparticle biogenic amine remover causes the content of histamine, tyramine and putrescine to be reduced remarkably. Example 1 and comparative example 1 are both aged wines, and the amounts of histamine, tyramine and putrescine in example 1 are only 23.2%, 18.2% and 13.9% of comparative example 1, indicating that most of the biogenic amine has been Fe3O4Adsorbing by the nano-particle biological amine remover to remove. Example 2 and comparative example 2 are both aged kirschwasser, histamine, tyramine and putrescine in example 2Was only 19.9%, 15.6% and 15.3% of comparative example 2, again demonstrating Fe3O4Beneficial effects of the nanoparticle biogenic amine remover.
Test 2
The physicochemical indexes of the aged samples of the examples and the comparative examples were measured, and the results are shown in table 2.
TABLE 2 physicochemical indices after aging of examples and comparative examples
Physical and chemical indexes Example 1 Example 2 Comparative example 1 Comparative example 2
Total sugar (g/L) 2.83 1.66 2.81 1.69
Alcohol content (% vol) 12.1 11.4 12.2 11.3
pH 3.40 3.68 3.41 3.67
Total acid (g/L) 5.15 8.05 5.22 8.14
Volatile acid (g/L) 0.43 0.39 0.50 0.43
Note: the total acid in wine (example 1 and comparative example 1) was calculated as tartaric acid and the total acid in cherry wine (example 2 and comparative example 2) was calculated as malic acid.
The basic physicochemical indexes of the wine samples of the examples and the comparative examples, including total sugar, alcohol content, pH, total acid and volatile acid, were examined. As can be seen from the results, the use of Fe compared to the naturally aged wine or cherry wine3O4All physical and chemical indexes of the wine sample treated by the nano-particle biological amine remover do not have obvious change, and only the indexes of total acid and volatile acid are slightly reduced, which shows that the metal framework organic material does not influence the composition and quality of the fruit wine.
Test 3
Carrying out Fe3O4The repeated use experiment of @ MIP verifies the repeated use effect.
Reference example 1 ageing conditions and Bioamine removal Process for Fe3O4Nanoparticle biogenic amine remover Fe3O4@ MIP was subjected to multiple use experiments. The experiment was carried out with wine fermented at the same time and aged at the same time, but in different aging tanks. Example 1 after completion of biogenic amine removal, Fe recovered3O4@ MIP was washed three times with sterile water and then used to ferment the same time, with simultaneous ageing, in other ageing pots without Fe being carried out3O4@ MIP treated wine was subjected to biogenic amine removal (for a longer time period, keeping biogenic amine removal occurring 5 days before the end of aging). By analogy, testing the repeatedly used Fe for many times3O4The effect of @ MIP on biogenic amine removal is shown in Table 3.
TABLE 3 Fe3O4Repeated use effect of @ MIP
Figure BDA0003038559160000081
Figure BDA0003038559160000091
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A method for eliminating biogenic amine by using a metal organic framework material in the process of ageing fruit wine is characterized in that the metal organic framework material is added into the fruit wine in the process of ageing the fruit wine to remove biogenic amine in the fruit wine; the metal organic framework material is Fe3O4A nano-particle biological amine remover.
2. The method of claim 1, wherein said Fe is3O4The preparation method of the nano-particle biological amine remover comprises the following steps:
(1) preparation of Fe3O4Magnetic nanoparticles;
(2) preparation of functionalized Fe3O4Nanoparticles; the functional Fe3O4The nano particle is 3- (methacryloyloxy) propyl trimethoxySilane functionalized Fe3O4Nanoparticles;
(3) preparation of Fe with biogenic amine molecules as templates3O4A nano-particle biological amine remover.
3. The method according to claim 2, wherein in step (3), the biogenic amine molecules comprise one or more of histamine, tyramine, and putrescine.
4. The method according to claim 2, wherein the operating conditions of step (1) are:
the mass ratio of (2.5-2.8): 1 FeCl3·6H2O and FeSO4·4H2Dissolving O in water, adjusting the pH value to 11.0-12.0, stirring for 3-4 h at the temperature of 60-70 ℃, washing and separating the obtained product, and drying to obtain Fe3O4Magnetic nanoparticles.
5. The method of claim 2, wherein the operating conditions of step (2) are:
fe obtained in the step (1)3O4Dispersing magnetic nanoparticles in ethanol, adding 3- (methacryloyloxy) propyl trimethoxy silane, stirring at 35-45 ℃ for 10-12 h, washing, separating and drying the obtained product to obtain functional Fe3O4Nanoparticles.
6. The method of claim 5, wherein in step (2): fe3O4The dosage ratio of the magnetic nanoparticles to the 3- (methacryloyloxy) propyl trimethoxy silane is 100 mg: (2-3) mL.
7. The method according to claim 2, wherein the operating conditions of step (3) are:
functionalized Fe obtained in the step (2)3O4Nanoparticles, N-ethyl-2- (methacryloyloxy) -N, N-dimethylethylammonium bromide, acrylamide,Mixing and dispersing N, N' -methylene bisacrylamide, ammonium persulfate, polyethylene glycol methyl methacrylate, tetramethylethylenediamine and biogenic amine molecules serving as a template in a phosphate buffer solution, continuously stirring for 24-28 h at 20-25 ℃, washing with water to remove the template, separating a product, and drying to obtain Fe3O4A nano-particle biological amine remover.
8. The method of claim 7, wherein in step (3):
functionalized Fe3O4The dosage ratio of the nano particles, N-ethyl-2- (methacryloyloxy) -N, N-dimethylethylammonium bromide, acrylamide, N' -methylenebisacrylamide, ammonium persulfate, polyethylene glycol methyl methacrylate and tetramethylethylenediamine is 100 mg: (30-35) μ g: (150-165) mg: (10-11) mg: (9-10) mg: (15-17) μ L: (6-7) mu L;
functionalized Fe3O4The mass ratio of the nanoparticles to the biogenic amine molecules is (3-4) to 1.
9. A method according to any one of claims 1 to 8, wherein 1 to 10g/L Fe by volume of the fruit wine to be treated is added to the fruit wine during ageing3O4Reacting for 6-20h, and recovering the nano-particle biological amine remover by using a permanent magnet.
10. The method of claim 9, wherein the Fe is added to the fruit wine 3 to 5 days before the end of aging3O4The nano-particle biological amine remover is used for removing biological amine.
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周世玉: "磁性纳米材料固相萃取及液-液多相萃取技术在生物样品有机有害物质检测中的应用", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 *

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