CN103087355B - Tea polyphenol-containing chitosan-minced fillet protein composite film and preparation method thereof - Google Patents
Tea polyphenol-containing chitosan-minced fillet protein composite film and preparation method thereof Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 108090000623 proteins and genes Proteins 0.000 title claims abstract description 26
- 102000004169 proteins and genes Human genes 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 150000008442 polyphenolic compounds Chemical class 0.000 title abstract 5
- 235000013824 polyphenols Nutrition 0.000 title abstract 5
- 229920001661 Chitosan Polymers 0.000 claims abstract description 39
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000243 solution Substances 0.000 claims abstract description 17
- 230000002378 acidificating effect Effects 0.000 claims abstract description 14
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 6
- 241000251468 Actinopterygii Species 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 235000011187 glycerol Nutrition 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000004310 lactic acid Substances 0.000 claims description 5
- 235000014655 lactic acid Nutrition 0.000 claims description 5
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 4
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 4
- 239000001630 malic acid Substances 0.000 claims description 4
- 235000011090 malic acid Nutrition 0.000 claims description 4
- 235000013305 food Nutrition 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241001122767 Theaceae Species 0.000 abstract 4
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 235000018102 proteins Nutrition 0.000 description 16
- 238000007710 freezing Methods 0.000 description 10
- 230000008014 freezing Effects 0.000 description 10
- 238000012856 packing Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- -1 DPPH free radical Chemical class 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 235000019465 surimi Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 241000932075 Priacanthus hamrur Species 0.000 description 2
- 241000269319 Squalius cephalus Species 0.000 description 2
- 241001125843 Trichiuridae Species 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000002632 lipids Chemical class 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 1
- 230000002292 Radical scavenging effect Effects 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 108010073771 Soybean Proteins Proteins 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010227 cup method (microbiological evaluation) Methods 0.000 description 1
- 230000006196 deacetylation Effects 0.000 description 1
- 238000003381 deacetylation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- MGJZITXUQXWAKY-UHFFFAOYSA-N diphenyl-(2,4,6-trinitrophenyl)iminoazanium Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1N=[N+](C=1C=CC=CC=1)C1=CC=CC=C1 MGJZITXUQXWAKY-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 235000019710 soybean protein Nutrition 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention provides a tea polyphenol-containing chitosan-minced fillet protein composite film used for food package and a preparation method thereof. The composite film is prepared by the following method: dissolving chitosan and minced fillet protein in an acidic aqueous solution, adding glycerol and tea polyphenol, stirring to obtain a chitosan-minced fillet protein film-forming solution, keeping the temperature of the film-forming solution at 30-80 DEG C for 10-60 minutes, and centrifuging for 20 minutes at the speed of 3000rpm; uniformly pouring the solution into an organic glass plate frame, drying to form the film at the film-forming temperature of 20-60 DEG C, wherein the film-forming time is 6-24 hours; and stripping the film to obtain the tea polyphenol-containing chitosan-minced fillet protein composite film. The tea polyphenol-containing chitosan-minced fillet protein composite film has the beneficial effects that the composite film is edible, biodegradable and pollution-free and has a good mechanical performance, barrier property and oxidation resistance.
Description
(1) technical field
The present invention relates to a kind of rotten protein composite film of the chitosan containing tea-polyphenol-fish that can be used for food product pack and preparation method thereof.
(2) background technology
Along with the raising that human consumer requires Food Quality and preservation term, and the enhancing of environmental consciousness, edible packing membrane has become one of study hotspot of current Food Packaging technology.Edible packing membrane is with edible natural materials such as polysaccharide, protein and lipids for raw material, adds softening agent and linking agent etc., the film formed by the interaction between differing molecular.Compared with synthesising packing material, edible packing membrane can be biodegradable, without any pollution, and can also as the carrier of flavour of food products material, nutrition-fortifying agent, antioxidant and antiseptic-germicide.Can be divided into polyose, protein, lipid and composite edible packing film according to raw material, wherein compound packing film receives much concern.
Chitosan is the macromolecular cpd that chitin that nature extensively exists obtains through deacetylation, there is good film-forming properties, biocompatibility and biodegradability, be commonly used for the functional membranes such as ultrafiltration, reverse osmosis, ion-exchange, have more application in fields such as medicine, environment, printing and dyeing and food.The rotten albumen of fish take fribrillin as main component, and its protein film performance formed is better than soybean protein film and maize alcohol-soluble protein film, but its research in edible packing membrane field is also fewer.Tea-polyphenol is the natural phenolic compound extracted from tealeaves, has bridging property, oxidation-resistance and germ resistance, is applied in edible packing membrane, is expected to improve edible packing membrane film properties and oxidation-resistance.Jointly edible packing membrane is prepared at present there are no by rotten to tea-polyphenol, chitosan and fish albumen.
(3) summary of the invention
The object of this invention is to provide rotten protein composite film of a kind of edible chitosan containing tea-polyphenol-fish and preparation method thereof.
The technical solution used in the present invention is:
The rotten protein composite film of a kind of chitosan containing tea-polyphenol-fish, obtain by the following method: chitosan and the rotten albumen of fish are dissolved in pH 1.0 ~ 4.0 acidic aqueous solution, chitosan dosage is 5 ~ 20g/L acidic aqueous solution, the rotten albumen consumption of fish is 10 ~ 100 g/L acidic aqueous solutions, after adding the glycerine of 2.5 ~ 50 g/L acidic aqueous solutions and the tea-polyphenol of 0.1 ~ 3 g/L acidic aqueous solution again, stir 10min, obtain the rotten albumen film-forming soln of chitosan-fish, film-forming soln is incubated 10 ~ 60min at 30 ~ 80 DEG C, centrifugal 20min under 3000rpm, then evenly pour in synthetic glass sheet frame that (the large I of glass holder adjusts according to film thickness into, general film thickness is between 0.100 ~ 0.15mm), drying and forming-film, film-forming temperature is 20 ~ 60 DEG C, film formation time is 6 ~ 24h, take off film and namely obtain the rotten protein composite film of the described chitosan containing tea-polyphenol-fish.
The rotten albumen of described fish is frozen minced fillets, comprise the gruel of seawater freezing fish and fresh water frozen minced fillets, such as freezing bighead surimi, freezing chub surimi, rotten, the freezing scad fish gruel of freezing hairtail fish etc. (frozen minced fillets can directly be buied from the market, freezing obtained after oppressing part rubbing, rinsing and dehydration by raw material fish); Described acidic aqueous solution is one of following: acetum, lactic acid solution, malic acid solution, citric acid solution, hydrochloric acid soln.
Chitosan and the rotten albumen of fish are dissolved in acidic aqueous solution by the present invention, and add glycerine and tea-polyphenol, after insulation and the degassed process of low-speed centrifugal, film-forming soln is in synthetic glass sheet frame inner drying film forming.
The invention still further relates to a kind of method preparing the rotten protein composite film of the described chitosan containing tea-polyphenol-fish, described method comprises: chitosan and the rotten albumen of fish are dissolved in pH 1.0 ~ 4.0 acidic aqueous solution by (1), chitosan dosage is 5 ~ 20g/L, the rotten albumen consumption of fish is 10 ~ 100 g/L, after adding the glycerine of 2.5 ~ 50 g/L and the tea-polyphenol of 0.1 ~ 3 g/L again, stir 10min, obtain the rotten albumen film-forming soln of chitosan-fish; (2) step (1) gained film-forming soln is incubated 10 ~ 60min at 30 ~ 80 DEG C, centrifugal 20min under 3000rpm, then evenly pour in synthetic glass sheet frame, drying and forming-film, film-forming temperature is 20 ~ 60 DEG C, film formation time is 6 ~ 24h, takes off film and namely obtains the rotten protein composite film of the described chitosan containing tea-polyphenol-fish.
Described acidic aqueous solution is one of following: acetum, lactic acid solution, malic acid solution, citric acid solution, hydrochloric acid soln.
Preferably, chitosan dosage is 5 ~ 20g/L, and the rotten albumen consumption of fish is 20 ~ 80 g/L, and glycerine addition is 10 ~ 20 g/L, and tea-polyphenol addition is 1 ~ 2 g/L.
The feature of the rotten protein composite film of the chitosan containing tea-polyphenol prepared by the present invention-fish: film thickness 0.100 ~ 0.150mm, tensile strength is 10 ~ 40MPa, and elongation at break 50 ~ 90% has good mechanical property; Under 600nm, transmittance is 70 ~ 80%, water vapor transmission rate (WVTR) 0.8 ~ 1.2 × 10
-10g/m × s × Pa, DPPH free radical eliminates ability 30 ~ 60%.
The analytical procedure that the present invention adopts:
1, the thickness of composite membrane: adopt vernier callipers to measure.
2, the mechanical property of composite membrane: adopt instrumental test.
3, the transmittance of composite membrane: adopt UV3000 UV, visible light spectrophotometer.
4, the water vapor transmission rate (WVTR) of composite membrane: adopt and intend cup method mensuration.
5, composite membrane DPPH radical scavenging activity measures: adopt UV3000 UV, visible light spectrophotometer.
Beneficial effect of the present invention is mainly reflected in: composite membrane edible of the present invention, biodegradable, pollution-free, and has good mechanical property, barrier property and antioxidant property.
(4) embodiment
Below in conjunction with specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in this:
Embodiment 1:
Take 1g chitosan and the freezing bighead surimi of 1g is dissolved in 50ml pH2.0 acetum, add 0.5g glycerine and 0.05g tea-polyphenol (product purity 85%, purchased from Hangzhou Qinyuan Natural Plant High-tech Limited Company) after, at the uniform velocity stir 10min, obtain the rotten albumen film-forming soln of chitosan-fish; Film-forming soln is incubated 20min at 70 DEG C, and under 3000rpm, low-speed centrifugal 20min is to remove bubble; Rotten for chitosan after process-fish albumen film-forming soln is evenly poured in 100 × 100 × 10mm synthetic glass sheet frame, film-forming temperature 60 DEG C, film formation time 6h.The obtained chitosan containing tea-polyphenol-fish rotten protein composite film thickness 0.128mm, tensile strength is 12MPa, and under elongation at break 64%, 600nm, transmittance is 78%, water vapor transmission rate (WVTR) 1.05 × 10
-10g/m × s × Pa, DPPH free radical eliminates ability 35%.
Embodiment 2:
Take 0.5g chitosan and the freezing chub surimi of 3g is dissolved in 50ml pH2.5 lactic acid solution, add 1g glycerine and 0.1g tea-polyphenol (product purity 70%, purchased from Hangzhou Qinyuan Natural Plant High-tech Limited Company) after, at the uniform velocity stir 10min, obtain the rotten albumen film-forming soln of chitosan-fish; Film-forming soln is incubated 30min at 50 DEG C, and under 3000rpm, low-speed centrifugal 20min is to remove bubble; Rotten for chitosan after process-fish albumen film-forming soln is evenly poured in 100 × 100 × 10mm synthetic glass sheet frame, film-forming temperature 40 DEG C, film formation time 12h.The obtained chitosan containing tea-polyphenol-fish rotten protein composite film thickness 0.124mm, tensile strength 25MPa, under elongation at break 80%, 600nm, transmittance is 74%, water vapor transmission rate (WVTR) 1.18 × 10
-10g/m × s × Pa, DPPH free radical eliminates ability 60%.
Embodiment 3:
Take 0.3g chitosan and the gruel of 4g freezing hairtail fish is dissolved in 50ml pH3.0 hydrochloric acid soln, add 0.5g glycerine and 0.05g tea-polyphenol (product purity 80%, purchased from Hangzhou Qinyuan Natural Plant High-tech Limited Company) after, at the uniform velocity stir 10min, obtain the rotten albumen film-forming soln of chitosan-fish; Film-forming soln is incubated 50min at 40 DEG C, and under 3000rpm, low-speed centrifugal 20min is to remove bubble; Rotten for chitosan after process-fish albumen film-forming soln is evenly poured in 100 × 100 × 10mm synthetic glass sheet frame, film-forming temperature 50 DEG C, film formation time 8h.The obtained chitosan containing tea-polyphenol-fish rotten protein composite film thickness 0.138mm, tensile strength is 31MPa, and under elongation at break 89%, 600nm, transmittance is 78%, water vapor transmission rate (WVTR) 1.17 × 10
-10g/m × s × Pa, DPPH free radical eliminates ability 52%.
Embodiment 4:
Take 0.8g chitosan and the gruel of 1.5g freezing scad fish is dissolved in 50ml pH3.5 acetum, add 0.8g glycerine and 0.05g tea-polyphenol (product purity 90%, purchased from Hangzhou Qinyuan Natural Plant High-tech Limited Company) after, at the uniform velocity stir 10min, obtain the rotten albumen film-forming soln of chitosan-fish; Film-forming soln is incubated 60min at 30 DEG C, and under 3000rpm, low-speed centrifugal 20min is to remove bubble; Rotten for chitosan after process-fish albumen film-forming soln is evenly poured in 100 × 100 × 10mm synthetic glass sheet frame, film-forming temperature 25 DEG C, film formation time 24h.The obtained chitosan containing tea-polyphenol-fish rotten protein composite film thickness 0.115mm, tensile strength is 28MPa, and under elongation at break 82%, 600nm, transmittance is 74%, water vapor transmission rate (WVTR) 0.95 × 10
-10g/m × s × Pa, DPPH free radical eliminates ability 47%.
Claims (6)
1. the rotten protein composite film of the chitosan containing tea-polyphenol-fish, obtain by the following method: chitosan and the rotten albumen of fish are dissolved in pH 1.0 ~ 4.0 acidic aqueous solution, chitosan dosage is 5 ~ 20g/L, the rotten albumen consumption of fish is 10 ~ 100 g/L, after adding the glycerine of 2.5 ~ 50 g/L and the tea-polyphenol of 0.1 ~ 3 g/L again, stir 10min, obtain the rotten albumen film-forming soln of chitosan-fish, film-forming soln is incubated 10 ~ 60min at 30 ~ 80 DEG C, centrifugal 20min under 3000rpm, then evenly pour in synthetic glass sheet frame, drying and forming-film, film-forming temperature is 20 ~ 60 DEG C, film formation time is 6 ~ 24h, take off film and namely obtain the rotten protein composite film of the described chitosan containing tea-polyphenol-fish.
2. composite membrane as claimed in claim 1, is characterized in that described acidic aqueous solution is one of following: acetum, lactic acid solution, malic acid solution, citric acid solution, hydrochloric acid soln.
3. composite membrane as claimed in claim 1, is characterized in that: chitosan dosage is 5 ~ 20g/L, and the rotten albumen consumption of fish is 20 ~ 80 g/L, and glycerine addition is 10 ~ 20 g/L, and tea-polyphenol addition is 1 ~ 2 g/L.
4. prepare the method containing the rotten protein composite film of the chitosan of tea-polyphenol-fish described in claim 1 for one kind, described method comprises: chitosan and the rotten albumen of fish are dissolved in pH 1.0 ~ 4.0 acidic aqueous solution by (1), chitosan dosage is 5 ~ 20g/L, the rotten albumen consumption of fish is 10 ~ 100 g/L, after adding the glycerine of 2.5 ~ 50 g/L and the tea-polyphenol of 0.1 ~ 3 g/L again, stir 10min, obtain the rotten albumen film-forming soln of chitosan-fish; (2) step (1) gained film-forming soln is incubated 10 ~ 60min at 30 ~ 80 DEG C, centrifugal 20min under 3000rpm, then evenly pour in synthetic glass sheet frame, drying and forming-film, film-forming temperature is 20 ~ 60 DEG C, film formation time is 6 ~ 24h, takes off film and namely obtains the rotten protein composite film of the described chitosan containing tea-polyphenol-fish.
5. method as claimed in claim 4, is characterized in that described acidic aqueous solution is one of following: acetum, lactic acid solution, malic acid solution, citric acid solution, hydrochloric acid soln.
6. method as claimed in claim 4, is characterized in that: chitosan dosage is 5 ~ 20g/L, and the rotten albumen consumption of fish is 20 ~ 80 g/L, and glycerine addition is 10 ~ 20 g/L, and tea-polyphenol addition is 1 ~ 2 g/L.
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