CN111990452B - Coating preservation solution for aquatic products carrying burdock polyphenol and preparation and use methods thereof - Google Patents
Coating preservation solution for aquatic products carrying burdock polyphenol and preparation and use methods thereof Download PDFInfo
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- CN111990452B CN111990452B CN202010741507.8A CN202010741507A CN111990452B CN 111990452 B CN111990452 B CN 111990452B CN 202010741507 A CN202010741507 A CN 202010741507A CN 111990452 B CN111990452 B CN 111990452B
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- burdock
- polyphenol
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- aquatic products
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- 235000003130 Arctium lappa Nutrition 0.000 title claims abstract description 76
- 235000008078 Arctium minus Nutrition 0.000 title claims abstract description 76
- 235000013824 polyphenols Nutrition 0.000 title claims abstract description 63
- 150000008442 polyphenolic compounds Chemical class 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000011248 coating agent Substances 0.000 title claims description 23
- 238000000576 coating method Methods 0.000 title claims description 23
- 239000003761 preservation solution Substances 0.000 title claims description 8
- 240000005528 Arctium lappa Species 0.000 title abstract 2
- 150000002632 lipids Chemical class 0.000 claims abstract description 77
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 239000007888 film coating Substances 0.000 claims abstract description 19
- 238000009501 film coating Methods 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims abstract description 10
- 241000208843 Arctium Species 0.000 claims description 74
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 239000000243 solution Substances 0.000 claims description 32
- 239000002086 nanomaterial Substances 0.000 claims description 28
- 241000251468 Actinopterygii Species 0.000 claims description 21
- 239000002131 composite material Substances 0.000 claims description 21
- 239000003995 emulsifying agent Substances 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 20
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 16
- 235000010413 sodium alginate Nutrition 0.000 claims description 16
- 239000000661 sodium alginate Substances 0.000 claims description 16
- 229940005550 sodium alginate Drugs 0.000 claims description 16
- 235000011187 glycerol Nutrition 0.000 claims description 15
- 102000008186 Collagen Human genes 0.000 claims description 14
- 108010035532 Collagen Proteins 0.000 claims description 14
- 229920001436 collagen Polymers 0.000 claims description 14
- 239000003755 preservative agent Substances 0.000 claims description 14
- 230000002335 preservative effect Effects 0.000 claims description 14
- XOJVHLIYNSOZOO-SWOBOCGESA-N Arctiin Chemical compound C1=C(OC)C(OC)=CC=C1C[C@@H]1[C@@H](CC=2C=C(OC)C(O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O3)O)=CC=2)C(=O)OC1 XOJVHLIYNSOZOO-SWOBOCGESA-N 0.000 claims description 11
- 239000000839 emulsion Substances 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 11
- 235000019198 oils Nutrition 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- -1 compound lipid Chemical class 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 8
- 238000009210 therapy by ultrasound Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 6
- 238000007710 freezing Methods 0.000 claims description 6
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 5
- 206010033546 Pallor Diseases 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 238000007872 degassing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000005457 ice water Substances 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 claims description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 4
- OKMWKBLSFKFYGZ-UHFFFAOYSA-N 1-behenoylglycerol Chemical compound CCCCCCCCCCCCCCCCCCCCCC(=O)OCC(O)CO OKMWKBLSFKFYGZ-UHFFFAOYSA-N 0.000 claims description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 4
- 239000005642 Oleic acid Substances 0.000 claims description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920001213 Polysorbate 20 Polymers 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 4
- 238000004108 freeze drying Methods 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 4
- 229940049654 glyceryl behenate Drugs 0.000 claims description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 4
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 claims description 4
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 4
- 229920000053 polysorbate 80 Polymers 0.000 claims description 4
- 241000195493 Cryptophyta Species 0.000 claims description 3
- ARIWANIATODDMH-UHFFFAOYSA-N Lauric acid monoglyceride Natural products CCCCCCCCCCCC(=O)OCC(O)CO ARIWANIATODDMH-UHFFFAOYSA-N 0.000 claims description 3
- 235000019482 Palm oil Nutrition 0.000 claims description 3
- 235000021314 Palmitic acid Nutrition 0.000 claims description 3
- IYFATESGLOUGBX-YVNJGZBMSA-N Sorbitan monopalmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O IYFATESGLOUGBX-YVNJGZBMSA-N 0.000 claims description 3
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 claims description 3
- LWZFANDGMFTDAV-BURFUSLBSA-N [(2r)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O LWZFANDGMFTDAV-BURFUSLBSA-N 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 239000003240 coconut oil Substances 0.000 claims description 3
- 235000019864 coconut oil Nutrition 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 235000005687 corn oil Nutrition 0.000 claims description 3
- 239000002285 corn oil Substances 0.000 claims description 3
- 235000021323 fish oil Nutrition 0.000 claims description 3
- 239000008172 hydrogenated vegetable oil Substances 0.000 claims description 3
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims description 3
- 235000021313 oleic acid Nutrition 0.000 claims description 3
- 239000002540 palm oil Substances 0.000 claims description 3
- 229920000136 polysorbate Polymers 0.000 claims description 3
- 235000011067 sorbitan monolaureate Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000003860 storage Methods 0.000 abstract description 6
- 239000003963 antioxidant agent Substances 0.000 abstract description 3
- 230000003078 antioxidant effect Effects 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 41
- 238000004321 preservation Methods 0.000 description 6
- 241000143060 Americamysis bahia Species 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 239000007908 nanoemulsion Substances 0.000 description 4
- 239000000341 volatile oil Substances 0.000 description 4
- 230000003115 biocidal effect Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- RVBUGGBMJDPOST-UHFFFAOYSA-N 2-thiobarbituric acid Chemical compound O=C1CC(=O)NC(=S)N1 RVBUGGBMJDPOST-UHFFFAOYSA-N 0.000 description 2
- 229920001661 Chitosan Polymers 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009920 food preservation Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000002502 liposome Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- XTJKNGLLPGBHHO-HNNXBMFYSA-N (2s)-5-(diaminomethylideneamino)-2-(dodecanoylamino)pentanoic acid Chemical compound CCCCCCCCCCCC(=O)N[C@H](C(O)=O)CCCN=C(N)N XTJKNGLLPGBHHO-HNNXBMFYSA-N 0.000 description 1
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- 229930182827 D-tryptophan Natural products 0.000 description 1
- QIVBCDIJIAJPQS-SECBINFHSA-N D-tryptophane Chemical compound C1=CC=C2C(C[C@@H](N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-SECBINFHSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 150000007946 flavonol Chemical class 0.000 description 1
- HVQAJTFOCKOKIN-UHFFFAOYSA-N flavonol Natural products O1C2=CC=CC=C2C(=O)C(O)=C1C1=CC=CC=C1 HVQAJTFOCKOKIN-UHFFFAOYSA-N 0.000 description 1
- 235000011957 flavonols Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000005714 functional activity Effects 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 229960005150 glycerol Drugs 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 150000007965 phenolic acids Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000017854 proteolysis Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/10—Coating with a protective layer; Compositions or apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
- A23L3/3463—Organic compounds; Microorganisms; Enzymes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Zoology (AREA)
- Microbiology (AREA)
- Wood Science & Technology (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The application discloses a burdock polyphenol-carrying aquatic product film-coating fresh-keeping liquid and a preparation and use method thereof. The nano-structured lipid carrier is in a solid spherical crystalline state, and the carried polyphenol is positioned in an internal defect lattice, so that the nano-structured lipid carrier has better stability and slow release property, can exert antioxidant and antibacterial effects for a longer time, and has the effect of delaying quality degradation of aquatic products in links of storage, transportation, sales and the like.
Description
Technical Field
The application relates to a film-coating preservative solution for aquatic products carrying burdock polyphenol and a preparation and use method thereof, belonging to the technical field of food preservation processing.
Background
The processed aquatic products have high water activity, rich nutrition and strong in-vivo enzyme activity, and are easy to generate phenomena of protein degradation, fat oxidation and bacterial breeding during storage, transportation and sales, so that the commercial value of the processed aquatic products is seriously influenced. How to adopt natural, green and safe technical means to effectively delay the degradation of the edible quality and the safe quality of the processed aquatic products is a research hotspot in the field of food preservation at present.
The film coating fresh-keeping is to use macromolecules (such as polysaccharide, protein, lipid and the like) as materials, add plasticizers, cross-linking agents and the like, and cover the surface of the aquatic products in a wrapping or coating mode so as to have the effects of water insulation, ventilation, antibiosis and the like. In order to further improve the fresh-keeping effect of the composite coating, scientific researchers generally perform functional enhancement on the composite coating by natural active molecules such as essential oil, vitamin C and the like, so that oxidation and bacterial reproduction of aquatic products are inhibited. In the practical application process, the active ingredients in the coating film can be chemically degraded and easily spread to the surrounding environment, so that the efficacy of the coating film is reduced.
Patent CN201911140310.2 discloses a preservative coating related to biological preservation of aquatic products, which adopts the combination of D-tryptophan/polylactic acid and sodium chloride, thereby destroying bacterial biofilm and inhibiting bacterial growth. However, the coating film prepared by this technique has a low content of the antioxidant active substance, thereby impairing the freshness-retaining effect. Patent CN201711326317.4 discloses a preservative for aquatic products, which mainly comprises sodium hexametaphosphate, sodium tripolyphosphate, sodium pyrophosphate, ascorbic acid, glycerol and the like. The technology involves the use of phosphates which migrate easily into the muscle tissue of the aquatic product, while intake of large amounts of phosphates increases health risks. Patent CN201810431028.9 discloses a composite fresh-keeping film coating liquid for aquatic products, a preparation method and a use method thereof, wherein the film coating liquid comprises 0.5-2% of chitosan, 0.5-2% of lauroyl arginine ethyl ester hydrochloride, 0.5-2% of essential oil, 0.5-1% of grease and the balance of distilled water. In this method, the essential oil is not microencapsulated, but is dispersed in the preservative film after the grease is mixed. Therefore, the essential oils are easily volatilized and diffused without utilizing the maintenance of their efficacy; patent CN201910162654.7 discloses a preparation method of tea polyphenol liposome/lysozyme-chitosan slow-release coating film applied to fish slice preservation, and the polyphenol liposome has a double-layer film structure and strong fluidity.
Disclosure of Invention
The nanostructure lipid carrier is a nano delivery system which takes solid/liquid mixed lipid as a matrix and utilizes the mixed lipid to generate a defect structure in the crystallization process to carry active molecules. Different from common lipid delivery systems such as nanoemulsion, pickering emulsion and the like, the lipid matrix of the lipid carrier with the nanostructure is solid at room temperature, so that steady-state protection and slow-release control of the embedded molecules can be more effectively realized. In addition, the nanostructure lipid carrier has good degradability and biocompatibility, high safety and no toxicity to food. The burdock is a traditional edible and medicinal cash crop in China, has rich polyphenol compounds such as phenolic acid, flavonol and the like, and has remarkable effects of antioxidation, antibiosis and the like. The application discloses a preparation method and a use method of a film-coating preservative solution taking a nano-structure lipid carrier carrying burdock polyphenol as a main functional component, and provides a new solution for maintaining the quality of aquatic products. The specific technical scheme of the application is as follows:
a preparation method of a film-coated preservative solution for aquatic products carrying burdock polyphenol comprises the following steps:
step 1: preparing burdock polyphenol from the burdock,
step 2: preparing burdock polyphenol nano-structure lipid carrier by taking burdock polyphenol prepared in the step 1, composite lipid, an emulsifying agent and water as raw materials, wherein in the composite lipid, liquid lipid accounts for 20-60% of the total mass of the composite lipid,
step 3: and (3) preparing the coating fresh-keeping liquid for the aquatic products by taking the burdock polyphenol nano-structure lipid carrier, sodium alginate, glycerol and fish skin collagen prepared in the step (2) as raw materials.
Further, the specific operation of step 1 is as follows,
step 1.1: slicing fresh radix Arctii, blanching in boiling water for 10-15s, taking out, draining,
step 1.2: drying the drained burdock root slices in an oven at 40-50 ℃,
step 1.3: slicing and pulverizing dried radix Arctii, sieving with 40 mesh sieve to obtain radix Arctii powder,
step 1.4: mixing burdock root powder and 40-60% ethanol according to the volume fraction of 1: mixing the feed liquid ratios of (10-30) (g/mL) to obtain a mixed solution, reflux-extracting the mixed solution at 50-60 ℃ for 2-3h until the reflux is finished,
step 1.5: and (3) removing the organic solvent from the mixed solution in negative pressure, and freeze-drying to obtain the burdock polyphenol.
Further, the specific operation of the step 2 is as follows,
step 2.1: the burdock polyphenol is prepared from the following raw materials in percentage by mass: 0.05% -0.2%, complex lipid: 5-30%; emulsifying agent: 5-10%; the balance of water is water,
step 2.2: weighing solid lipid and liquid lipid according to a set mass ratio, mixing to obtain composite lipid, heating the composite lipid at 90 ℃ to melt the composite lipid,
step 2.3: adding burdock polyphenol into the melted compound lipid until dissolving to obtain an oil phase,
step 2.4: taking an emulsifying agent, placing the emulsifying agent in water until the emulsifying agent is completely dissolved, then placing the emulsifying agent in 90 ℃ for preheating to obtain a water phase,
step 2.5: adding the water phase into the oil phase under the high-speed homogenizing condition of 10000-12000rpm, continuing homogenizing for 3-5min to obtain primary emulsion,
step 2.6: performing high-intensity ultrasonic treatment on the primary emulsion for 10-15min to obtain the nanostructure lipid carrier, wherein the sample temperature is maintained at 90 ℃ in the whole operation process of step 2.5 and step 2.6,
step 2.7: and (3) placing the prepared nanostructure lipid carrier in ice water bath, and cooling to room temperature for standby.
Further, the specific operation of the step 3 is as follows,
step 3.1: dissolving sodium alginate in distilled water to prepare sodium alginate solution with mass concentration of 2-4% for standby,
step 3.2: the preparation method comprises the following steps of: glycerol: the fish skin collagen mass ratio is 100: (30-50): (10-20) weighing glycerol and fish skin collagen according to the proportion,
step 3.3: adding the weighed glycerol and fish skin collagen into sodium alginate solution, stirring to form film forming solution,
step 3.4: mixing the nanostructure lipid carrier prepared in the step 2 with the film forming liquid according to the volume ratio of (5-10): 100, homogenizing at high speed to obtain the film coating fresh-keeping liquid for aquatic products, and degassing for later use.
Further, the solid lipid is one or more of tristearin, glyceryl behenate, lauric acid monoglyceride, hydrogenated vegetable oil, coconut oil and palm oil, the liquid lipid is one or more of medium chain triglyceride, soybean oil, corn oil, fish oil, algae oil, oleic acid and palmitic acid, and the emulsifier is one or more of tween 20, tween 40, tween 80, span 20, span 40 and span 60.
Further, in the process of performing high-intensity ultrasonic treatment on the primary emulsion for 10-15min in the step 2.6, the ultrasonic treatment instrument is set to be 2s on/2 s off at 200-400W.
The application also comprises the aquatic product coating fresh-keeping liquid carrying burdock polyphenol prepared by any one of the methods.
The application also discloses a film-coating preservative solution for aquatic products carrying burdock polyphenol, which is prepared by any one of the methods, and is used for preserving processed aquatic products, and specifically comprises the following operation processes:
and (3) placing the processed aquatic product into a film coating fresh-keeping liquid, soaking for 5-10min, draining in a sterile environment, soaking the processed aquatic product into a 3-5% calcium chloride cross-linking agent solution for 1-2min, rinsing in clear water, continuously draining the processed aquatic product in the sterile environment, packaging, and finally refrigerating or freezing the processed aquatic product at a low temperature.
The beneficial effects are that: the nano-structured lipid carrier is in a solid spherical crystalline state, and the carried polyphenol is positioned in an internal defect lattice, so that the nano-structured lipid carrier has better stability and slow release property, can exert antioxidant and antibacterial effects for a longer time, and has the effect of delaying quality degradation of aquatic products in links of storage, transportation, sales and the like.
Drawings
Figure 1 is a schematic block diagram of the overall technical route of the present application,
FIG. 2 is a graph showing the effect of three coating fresh-keeping solutions of example 1 of the present application on total volatile basic nitrogen (TVB-N) content in fish fillets under storage conditions of 4deg.C,
FIG. 3 is a graph showing the effect of three coating preservative solutions of example 1 of the present application on the thiobarbituric acid reaction substrate (TBARS) content of fish fillets under storage conditions of 4 ℃.
Detailed Description
The present application is further illustrated in the accompanying drawings and detailed description which are to be understood as being merely illustrative of the application and not limiting of its scope, and various modifications of the application, which are equivalent to those skilled in the art upon reading the application, will fall within the scope of the application as defined in the appended claims.
The application relates to a preparation method of a film-coating fresh-keeping liquid for aquatic products carrying burdock polyphenol, which is shown in a schematic block diagram of an overall technical route in fig. 1, and comprises the following steps:
step 1: preparing burdock polyphenol from the burdock,
step 1.1: slicing fresh radix Arctii, blanching in boiling water for 10-15s, taking out, draining,
step 1.2: drying the drained burdock root slices in an oven at 40-50 ℃,
step 1.3: slicing and pulverizing dried radix Arctii, sieving with 40 mesh sieve to obtain radix Arctii powder,
step 1.4: mixing burdock root powder and 40-60% ethanol according to the volume fraction of 1: mixing the feed liquid ratios of (10-30) (g/mL) to obtain a mixed solution, reflux-extracting the mixed solution at 50-60 ℃ for 2-3h until the reflux is finished,
step 1.5: the mixed solution is subjected to negative pressure to remove the organic solvent and then freeze-dried to obtain burdock polyphenol;
step 2: preparing burdock polyphenol nano-structure lipid carrier by taking burdock polyphenol prepared in the step 1, composite lipid, an emulsifying agent and water as raw materials, wherein in the composite lipid, liquid lipid accounts for 20-60% of the total mass of the composite lipid,
step 2.1: the burdock polyphenol is prepared from the following raw materials in percentage by mass: 0.05% -0.2%, complex lipid: 5-30%; emulsifying agent: 5-10%; the balance of water is water,
step 2.2: weighing solid lipid and liquid lipid according to a set mass ratio, mixing to obtain composite lipid, heating the composite lipid at 90 ℃ to melt the composite lipid, wherein the solid lipid is one or more of glyceryl tristearate, glyceryl behenate, lauric acid monoglyceride, hydrogenated vegetable oil, coconut oil and palm oil, the liquid lipid is one or more of medium chain triglyceride, soybean oil, corn oil, fish oil, algae oil, oleic acid and palmitic acid,
step 2.3: adding burdock polyphenol into the melted compound lipid until dissolving to obtain an oil phase,
step 2.4: taking an emulsifying agent, wherein the emulsifying agent is one or more of Tween 20, tween 40, tween 80, span 20, span 40 and span 60, placing the emulsifying agent in water until the emulsifying agent is completely dissolved, preheating at 90 ℃ to obtain a water phase,
step 2.5: adding the water phase into the oil phase under the high-speed homogenizing condition of 10000-12000rpm, continuing homogenizing for 3-5min to obtain primary emulsion,
step 2.6: performing high-intensity ultrasonic treatment on the primary emulsion for 10-15min, wherein in the process, an ultrasonic treatment instrument is set to be 2s on/2 s off under the condition of 200-400W, so as to obtain the nanostructure lipid carrier, and the sample temperature is maintained at 90 ℃ in the whole operation process of step 2.5 and step 2.6,
step 2.7: placing the prepared nanostructure lipid carrier in ice water bath, and cooling to room temperature for standby;
step 3: and (3) preparing the coating fresh-keeping liquid for the aquatic products by taking the burdock polyphenol nano-structure lipid carrier, sodium alginate, glycerol and fish skin collagen prepared in the step (2) as raw materials.
Step 3.1: dissolving sodium alginate in distilled water to prepare sodium alginate solution with mass concentration of 2-4% for standby,
step 3.2: the preparation method comprises the following steps of: glycerol: the fish skin collagen mass ratio is 100: (30-50): (10-20) weighing glycerol and fish skin collagen according to the proportion,
step 3.3: adding the weighed glycerol and fish skin collagen into sodium alginate solution, stirring to form film forming solution,
step 3.4: mixing the nanostructure lipid carrier prepared in the step 2 with the film forming liquid according to the volume ratio of (5-10): 100, homogenizing at high speed to obtain the film coating fresh-keeping liquid for aquatic products, and degassing for later use.
The application also comprises the coating preservation liquid for the aquatic products prepared by any one of the methods and the preservation liquid for the processed aquatic products, and the specific application process comprises the following operation processes:
placing the processed aquatic product into the aquatic product coating fresh-keeping liquid carrying burdock polyphenol, soaking for 5-10min, draining in a sterile environment, soaking the processed aquatic product into 3-5% calcium chloride cross-linking agent solution for 1-2min, rinsing in clear water, continuously draining the processed aquatic product in the sterile environment, packaging, and finally refrigerating or freezing the processed aquatic product at low temperature.
Example 1
Step 1: preparation of burdock polyphenol
Slicing fresh burdock root, blanching in boiling water for 15s, taking out, and draining; drying radix Arctii slice in oven at 45deg.C, pulverizing with tissue masher, and sieving with 40 mesh sieve; burdock powder is prepared according to the following formula 1:20 Mixing the feed liquid ratio of (g/mL) with ethanol solution with the volume fraction of 50%, and carrying out reflux extraction for 3h at 55 ℃; removing the organic solvent under reduced pressure, and freeze-drying in a freeze dryer to obtain burdock polyphenol;
step 2: preparation of burdock polyphenol nano-structure lipid carrier
Weighing 5% of glyceryl tristearate and 5% of medium chain triglyceride, mixing, heating at 90deg.C to make the compound lipid in molten state, adding 0.10% of burdock polyphenol, and dissolving in the compound lipid; completely dissolving 5% tween 20 in water phase (84.90% of total mass of system), and preheating at 90deg.C; adding the water phase into the oil phase under 10000rpm homogenization conditions, continuing to perform homogenization for 3min, and treating the primary emulsion with high-intensity ultrasound for 12min (400W, 2s on/2 s off) to obtain a nanostructure lipid carrier, wherein the temperature of the sample is maintained at 90 ℃ by using a high-temperature circulating water tank in the whole operation process; the nanostructure lipid carrier prepared was cooled to room temperature in an ice water bath.
Step 3: preparation of coating preservation solution for aquatic products carrying burdock polyphenol
Dissolving sodium alginate in distilled water to prepare a solution with the mass concentration of 4%, adding glycerol with the mass concentration of 50% of sodium alginate and fish skin collagen with the mass concentration of 15%, and stirring to form a film forming solution; mixing the nanostructure lipid carrier solution prepared in the last step with film forming liquid according to the volume ratio of 10:100, mixing under the high-speed homogenizing condition to obtain the film-coating fresh-keeping liquid for aquatic products carrying burdock polyphenol, and degassing for later use.
The prepared film-coated preservative solution for aquatic products carrying burdock polyphenol is used for preserving processed aquatic products
Soaking fresh fish slices in the film-coating fresh-keeping liquid for 5min, and draining on sterile gauze; subsequently, the fish slices are soaked in 3 percent calcium chloride solution for 1min to be fully crosslinked; taking out the fish slices, rinsing with clear water, and draining to form a film on sterile gauze; and (3) placing the fillets in a plastic tray, packaging with a preservative film, and refrigerating at 4 ℃.
Example 2
Step 1: preparation of burdock polyphenol
Slicing fresh burdock root, blanching in boiling water for 15s, taking out, and draining; drying radix Arctii slice in oven at 50deg.C, pulverizing with tissue masher, and sieving with 40 mesh sieve; burdock powder is prepared according to the following formula 1:10 Mixing the feed liquid ratio of (g/mL) with ethanol with the volume fraction of 60%, and carrying out reflux extraction for 2h at 60 ℃; removing the organic solvent under reduced pressure, and freeze-drying in a freeze dryer to obtain burdock polyphenol;
step 2: preparation of burdock polyphenol nano-structure lipid carrier
Weighing 10% of glyceryl behenate and 5% of oleic acid, mixing, heating at 90 ℃ to enable the compound lipid to be in a molten state, and adding 0.15% of burdock polyphenol to enable the burdock polyphenol to be dissolved in the compound lipid; completely dissolving 7% of Tween 80 in water phase (77.85% of the total mass of the system), and preheating at 90deg.C; adding the water phase into the oil phase under the condition of homogenizing at 12000rpm, continuing homogenizing for 5min, treating the primary emulsion with high-intensity ultrasonic for 15min (300W, 2s on/2 s off) to obtain a nanostructure lipid carrier, and maintaining the temperature of the sample at 90 ℃ by using a high-temperature circulating water tank during the whole operation process; the nanostructure lipid carrier prepared was cooled to room temperature in an ice water bath.
Step 3: preparation of coating preservation solution for aquatic products carrying burdock polyphenol
Dissolving sodium alginate in distilled water to prepare a solution with the mass concentration of 3%, adding glycerol with the mass of 40% of sodium alginate and fish skin collagen with the mass of 20%, and stirring to form a film forming solution; mixing the nanostructure lipid carrier solution prepared in the last step with film forming liquid according to the volume ratio of 8:100, mixing under the high-speed homogenizing condition to obtain the film-coating fresh-keeping liquid for aquatic products carrying burdock polyphenol, and degassing for later use.
The prepared film-coated preservative solution for aquatic products carrying burdock polyphenol is used for preserving processed aquatic products
Soaking fresh shelled shrimps in the film-coating fresh-keeping liquid for 10min, and draining on sterile gauze; subsequently, the shelled shrimps are soaked in 5 percent calcium chloride solution for 2 minutes to be fully crosslinked; taking out the shelled shrimps, rinsing with clear water, and draining to form a film on sterile gauze; and (5) quick-freezing the shelled shrimps by a tunnel quick-freezing machine, bagging and sealing, and transferring to a-20 ℃ condition for freezing and storing.
This experiment compares the rule of influence of the use of the burdock polyphenol-carrying nanostructured lipid carrier and burdock polyphenol-carrying nanoemulsion (mass such as glyceryl tristearate in step 2 of example 1 is replaced by medium chain triglyceride) in example 1 on the quality of fish fillets under 4 ℃ refrigeration condition of the film coating preservative solution without burdock polyphenol-carrying nanostructured lipid carrier (burdock polyphenol is not added in step 2 of example 1). As can be seen from fig. 2 and 3, the three ways of film preservation can significantly inhibit the generation of total volatile basic nitrogen (TVB-N) and thiobarbituric acid reaction products (TBARS) during storage. The preservation effect of the nano-structured lipid carrier carrying burdock polyphenol is stronger than that of the nano-emulsion carrying burdock polyphenol and the nano-structured lipid carrier not carrying burdock polyphenol, which indicates that:
1. the burdock polyphenol plays a key role in antioxidation and antibiosis;
2. compared with the nano emulsion in the coating film, the nano-structure lipid carrier can better realize steady-state regulation and control release of the burdock polyphenol, thereby strengthening the functional activity of the burdock polyphenol.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The preparation method of the film-coated preservative solution for the aquatic products carrying burdock polyphenol is characterized by comprising the following steps of:
step 1: preparing burdock polyphenol from the burdock,
step 2: preparing burdock polyphenol nano-structure lipid carrier by taking burdock polyphenol prepared in the step 1, composite lipid, an emulsifying agent and water as raw materials, wherein in the composite lipid, liquid lipid accounts for 20-60% of the total mass of the composite lipid,
step 3: preparing a coating fresh-keeping solution for aquatic products by taking the burdock polyphenol nano-structure lipid carrier, sodium alginate, glycerol and fish skin collagen prepared in the step 2 as raw materials;
the specific operation of the step 2 is as follows,
step 2.1: the burdock polyphenol is prepared from the following raw materials in percentage by mass: 0.05% -0.2%, complex lipid: 5-30%; emulsifying agent: 5-10%; the balance of water is water,
step 2.2: weighing solid lipid and liquid lipid according to a set mass ratio, mixing to obtain composite lipid, heating the composite lipid at 90 ℃ to melt the composite lipid,
step 2.3: adding burdock polyphenol into the melted compound lipid until dissolving to obtain an oil phase,
step 2.4: taking an emulsifying agent, placing the emulsifying agent in water until the emulsifying agent is completely dissolved, then placing the emulsifying agent in 90 ℃ for preheating to obtain a water phase,
step 2.5: adding the water phase into the oil phase under the high-speed homogenizing condition of 10000-12000rpm, continuing homogenizing for 3-5min to obtain primary emulsion,
step 2.6: performing high-intensity ultrasonic treatment on the primary emulsion for 10-15min to obtain the nanostructure lipid carrier, wherein the sample temperature is maintained at 90 ℃ in the whole operation process of step 2.5 and step 2.6,
step 2.7: placing the prepared nanostructure lipid carrier in ice water bath, and cooling to room temperature for standby;
the solid lipid is one or more of tristearin, glyceryl behenate, lauric acid monoglyceride, hydrogenated vegetable oil, coconut oil and palm oil, the liquid lipid is one or more of medium chain triglyceride, soybean oil, corn oil, fish oil, algae oil, oleic acid and palmitic acid, and the emulsifier is one or more of Tween 20, tween 40, tween 80, span 20, span 40 and span 60.
2. The preparation method of the film-coated preservation solution for aquatic products carrying burdock polyphenols according to claim 1, wherein the specific operation of the step 1 is as follows,
step 1.1: slicing fresh radix Arctii, blanching in boiling water for 10-15s, taking out, draining,
step 1.2: drying the drained burdock root slices in an oven at 40-50 ℃,
step 1.3: slicing and pulverizing dried radix Arctii, sieving with 40 mesh sieve to obtain radix Arctii powder,
step 1.4: mixing burdock root powder and 40-60% ethanol according to the volume fraction of 1: mixing the feed liquid ratios of (10-30) (g/mL) to obtain a mixed solution, reflux-extracting the mixed solution at 50-60 ℃ for 2-3h until the reflux is finished,
step 1.5: and (3) removing the organic solvent from the mixed solution in negative pressure, and freeze-drying to obtain the burdock polyphenol.
3. The preparation method of the film-coated preservation solution for aquatic products carrying burdock polyphenols according to claim 1, wherein the specific operation of the step 3 is as follows,
step 3.1: dissolving sodium alginate in distilled water to prepare sodium alginate solution with mass concentration of 2-4% for standby,
step 3.2: the preparation method comprises the following steps of: glycerol: the fish skin collagen mass ratio is 100: (30-50): (10-20) weighing glycerol and fish skin collagen according to the proportion,
step 3.3: adding the weighed glycerol and fish skin collagen into sodium alginate solution, stirring to form film forming solution,
step 3.4: mixing the nanostructure lipid carrier prepared in the step 2 with the film forming liquid according to the volume ratio of (5-10): 100, homogenizing at high speed to obtain the film coating fresh-keeping liquid for aquatic products, and degassing for later use.
4. The method for preparing the film-coated preservative solution for aquatic products carrying burdock polyphenols according to claim 1, wherein in the step 2.6, the primary emulsion is subjected to high-intensity ultrasonic treatment for 10-15min, and an ultrasonic treatment instrument is set to be 2s on/2 s off under 200-400W.
5. A film-coating fresh-keeping liquid for aquatic products carrying burdock polyphenol, which is characterized by being prepared by the method of any one of the claims 1-4.
6. The application method of the coating preservation solution for the aquatic products carrying burdock polyphenol is characterized in that the coating preservation solution for the aquatic products prepared by the method of any one of the claims 1 to 4 is used for preserving the processed aquatic products, and specifically comprises the following operation processes:
and (3) placing the processed aquatic product into a film coating fresh-keeping liquid, soaking for 5-10min, draining in a sterile environment, soaking the processed aquatic product into a 3-5% calcium chloride cross-linking agent solution for 1-2min, rinsing in clear water, continuously draining the processed aquatic product in the sterile environment, packaging, and finally refrigerating or freezing the processed aquatic product at a low temperature.
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