壳聚糖/氧化石墨烯复合涂膜食品包装纸的研究
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摘要
为改良壳聚糖在食品包装中应用存在的机械性能不强,溶解性较差等缺陷,通过流延涂膜法,将壳聚糖/氧化石墨烯复配涂膜至食品包装纸,经抗氧化性、拉伸强度及水蒸气、油脂透过率等指标,对复合涂膜食品包装纸性质进行评估,结果发现采用酸溶性壳聚糖(18 m L,10 mg/mL)与氧化石墨烯(1 m L,1 mg/mL)再加入氧化剂(1 mL,1 mg/mL)制备得到的涂膜液复合涂膜食品包装纸,具有良好的保鲜功能,并初步探索壳聚糖/氧化石墨烯复合涂膜食品包装纸对生鲜猪肉贮藏保鲜过程中颜色、弹性、球蛋白沉淀、汁液流失率、蒸煮损失率的影响。与仅用壳聚糖处理的食品包装纸保鲜功能比较,壳聚糖/氧化石墨烯复合涂膜食品包装纸具有较好的保鲜效果。本研究结果为开发来源丰富、天然、无毒,具有优良性能的高效天然生物保鲜剂和保鲜材料提供理论依据。
In order to overcome the drawbacks of chitosan applied in food packaging,such as weak mechanical behavior,low solubility etc.,chitosan/grapheme oxide mixer was coated on food wrapper,and then performance of the filmed wrapper was estimated by inoxidizability,tensile strength,transmittance of vapor and oil,etc.,and found that the food packaging coating with acid soluble chitosan(18 m L,10 mg/mL),grapheme oxide(1 m L,1 mg/mL) and antioxidants(1 mL,1 mg/mL) has good preservation function.After which the influence of wrapper on color,elasticity,globulins precipitation,drip loss and cooking lose rate of fresh pork during storage was preliminarily explored.The results showed that compared with normal chitosan coated food package,the chitosan/grapheme filmed wrapper had better performance,which provided theoretical basis in terms of exploring rich-stored,natural,nontoxic,and highly effective biological fresh-keeping agents/materials.
In order to overcome the drawbacks of chitosan applied in food packaging,such as weak mechanical behavior,low solubility etc.,chitosan/grapheme oxide mixer was coated on food wrapper,and then performance of the filmed wrapper was estimated by inoxidizability,tensile strength,transmittance of vapor and oil,etc.,and found that the food packaging coating with acid soluble chitosan(18 m L,10 mg/mL),grapheme oxide(1 m L,1 mg/mL) and antioxidants(1 mL,1 mg/mL) has good preservation function.After which the influence of wrapper on color,elasticity,globulins precipitation,drip loss and cooking lose rate of fresh pork during storage was preliminarily explored.The results showed that compared with normal chitosan coated food package,the chitosan/grapheme filmed wrapper had better performance,which provided theoretical basis in terms of exploring rich-stored,natural,nontoxic,and highly effective biological fresh-keeping agents/materials.
引文
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[28]孙志敏,陈群超,黄建颖,等.吡啶壳聚糖的制备、表征及体外抗氧化活性研究[J].核农学报,2016,30(2):295-303.
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[2]邵栋梁.塑料食品包装材料的卫生安全性分析[J].包装与食品机械,2010,28(1):51-54.
[3]汤桂兰,胡彪,康在龙,等.废旧塑料回收利用现状及问题[J].再生资源与循环经济,2013,6(1):31-35.
[4]GEIM A K.Graphene:Status and prospects[J].Science,2009,324(5934):1530-1534.
[5]CHEN Q C,JIANG H J,YE H L,et al.Preparation,antibacterial,and antioxidant activities of silver/chitosan composites[J].Journal of Carbohydrate Chemistry,2014,33(6):298-312.
[6]蒋挺大.壳聚糖[M].北京:化学工业出版社,2007:1-64.
[7]NOVOSELOV K S,GEIM A K,MOROZOV S V,et al.Electric field effect in atomically thin carbon films[J].Science,2004,306(5696):666-669.
[8]NAIR R R,BLAKE P,GRIGORENKO A N,et al Fine structure constant defines visual transparency of grapheme[J].Science,2008,320(5881):1308.
[9]STOLLER M D,PARK S,ZHU Y,et al Graphene-based ultracapacitors[J].Nano Letter,2008,8(10):3498-3502.
[10]BUNCH J S,VAN DER ZANDE A M,VER-BRIDGE S S,et al.Electromechanical resonators from graphene sheets[J].Science,2007,315(5811):490-493.
[11]YU A,RAMESH P,ITKIS M E,et al.Graphite nanoplatelet-epoxy composite thermal interface materials[J].Journal of Physical Chemistry C,2007,111(21):7565-7569.
[12]YAN H,YANG H,LI A,et al.pH-tunable surface charge of chitosan/graphene oxide composite adsorbent for efficient removal of multiple pollutants from water[J].Chemical Engineering Journal,2016,284(2):1397-1405.
[13]CUI L,WANG Y,GAO L,et al.EDTA functionalized magnetic graphene oxide for removal of Pb(I-I),Hg(II)and Cu(II)in water treatment:Adsorption mechanism and separation property[J].Chemical Engineering Journal,2015,281(23):1-10.
[14]KYZAS G Z,KOLTSAKIDOU A,NANAKI S G,et al.Removal of beta-blockers from aqueous media by adsorption onto graphene oxide[J].Science of the Total Environment,2015,537(24):411-420.
[15]HU W B,PENG C,LUO W J,et al.Graphenebased antibacterial paper[J].ACS Nano,2010,4(7):4317-4323.
[16]YANG H,BREMNER D H,TAO L,et al.Carboxymethyl chitosan-mediated synthesis of hyaluronic acid-targeted graphene oxide for cancer drug deliv ery[J].Carbohydrate Polymers,2016,135(1):72-78.
[17]MARTA B,POTARA M,ILIUT M,et al.Designing chitosan-silver nanoparticles-graphene oxide nanohybrids with enhanced antibacterial activity against Staphylococcus aureus[J].Colloids and Surfaces a-Physicochemical and Engineering Aspects,2015,487(24):113-120.
[18]DE S,MOHANTY S,NAYAK S K.A green biosensing matrix based on chitosan and graphene nanohybrid for the immobilization of glucose oxidase:Synthesis and property evaluation[J].Journal of Inorganic and Organometallic Polymers and Materials,2015,25(6):1332-1344.
[19]HUMMERS W S,OFFEMA R E.Preparation of graphitic oxide[J].Journal of the American Chemical Society,1958,80(6):1339.
[20]HOU C,ZHANG Q,ZHU M,et al.One-step synthesis of magnetically-functionalized reduced graphite sheets and their use in hydrogels[J].Carbon,2011,49(1):47-53.
[21]KUMAR S,KOH J.Physiochemical and optical properties of chitosan based grapheme oxide bionanocomposite[J].International Jour nal of Biological Macromolecules,2014,70(8):559-564.
[22]TANG C H,JIANG Y,WEN Q B,et al.Effect of transglutaminase treatment on the properties of cast films of soy protein isolates[J].Journal of Biotechnology,2005,120(3):296-307.
[23]MANCINI R A,HUNT M C.Current research in meat color[J].Meat Science,2005,71(1):100-121.
[24]SERRANO R,BA譙魷N S.Reducing SO2in fresh pork burgers by adding chitosan[J].Meat Science,2012,92(4):651-658.
[25]张馨木.质构仪测定冷鲜肉新鲜度方法的测定[D]长春:吉林大学,2012.
[26]ZHU B W,DONG X P,SUN L M,et al.Effect of thermal treatment on the texture and microstructure of abalone muscle(Haliotis discus)[J].Food Science and Biotechnol,2011,20(6):1467-1473.
[27]石磊.ε-聚赖氨酸抑菌特性及其在畜产品保藏中的应用研究[D].雅安:四川农业大学,2008.
[28]孙志敏,陈群超,黄建颖,等.吡啶壳聚糖的制备、表征及体外抗氧化活性研究[J].核农学报,2016,30(2):295-303.
[29]ERIC G,THIERRY V,RICARDO N.Metal ion biosorption on chitosan for the synthesis of advanced materials[J].Journal of Materials Science,2014,49(16):5505-5518.
[30]DILEK T,CEMRE K,EZEL B,et al.Chitosanimmobilized pumice for the removal of As(V)from waters[J].Water Air and Soil Pollution,2014,225(5):159-172.