CN108373599A - 一种利用果皮制作的可降解的包装膜 - Google Patents

一种利用果皮制作的可降解的包装膜 Download PDF

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CN108373599A
CN108373599A CN201810191107.7A CN201810191107A CN108373599A CN 108373599 A CN108373599 A CN 108373599A CN 201810191107 A CN201810191107 A CN 201810191107A CN 108373599 A CN108373599 A CN 108373599A
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武道贵
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Abstract

本发明公开了一种利用果皮制作的可降解的包装膜,涉及包装膜技术领域,本发明以香蕉皮与苹果核为主要原料,再加入高筋面粉,辅以各种助剂,使制得的包装膜具有较强的物理机械性能、选择透过性以及抗菌、抗氧化作用;并且所选原料易被降解,绿色环保,从而避免了白色污染,保护生态环境。

Description

一种利用果皮制作的可降解的包装膜
技术领域:
本发明涉及食品包装膜技术领域,具体涉及一种利用果皮制作的可降解的包装膜。
背景技术:
塑料薄膜包装是目前新鲜水果和蔬菜生产上应用最广的包装材料。它具有透明性,可以清楚地看到所包装产品的状况;它具有保湿性,可以减少产品的水分损失,增加新鲜度;它具有透气性,可以起到自发性气调作用,延长保鲜时间,它具有密封性,可以保护产品不受污染。
目前,国内所使用的食品包装膜一般为聚乙烯、聚丙烯、聚氯乙烯等聚合物为基体,通过加入一些增塑剂、无机填料、抗菌剂等混炼制成的薄膜。一方面,这些包装膜存在着难降解或降解所需时间长的缺点,容易造成白色污染,影响环境;另一方面,这些包装膜的透气性不好,如果包装膜内的氧气浓度太低或二氧化碳浓度过高,果实就会产生无氧呼吸,导致乙醇、乙醛等挥发性物质积累,产生异味和异嗅,降低果实的风味品质。
发明内容:
本发明所要解决的技术问题在于提供一种制备方法简单、保鲜效果好的利用果皮制作的可降解的包装膜。
本发明所要解决的技术问题采用以下的技术方案来实现:
一种利用果皮制作的可降解的包装膜,由如下质量份数的原料制成:
香蕉皮60-80份、高筋面粉40-50份、苹果核15-20份、巴西棕榈蜡12-18份、纳米碳酸钙15-18份、硬脂酸锌12-15份、聚乙烯醇10-12份、海藻酸钠8-10份、明胶8-10份、碳酸氢钠6-9份、魔芋葡甘聚糖5-8份、低甲氧基果胶5-8份、柠檬酸3-5份、琼脂3-6份、京尼平3-5份、聚甘油脂肪酸酯2-3份、水800-1000份。
所述利用果皮制作的可降解的包装膜,优选如下质量份数的原料制成:
香蕉皮70份、高筋面粉45份、苹果核18份、巴西棕榈蜡15份、纳米碳酸钙16份、硬脂酸锌13份、聚乙烯醇11份、海藻酸钠9份、明胶9份、碳酸氢钠8份、魔芋葡甘聚糖7份、低甲氧基果胶6份、柠檬酸4份、琼脂5份、京尼平4份、聚甘油脂肪酸酯3份、水900份。
所述纳米碳酸钙的粒径为30-50nm。
所述利用果皮制作的可降解的包装膜的制备方法,包括如下步骤:
(1)将香蕉皮、苹果核混合打碎成汁液,与碳酸氢钠一起加入到超声波提取罐中,再加入5倍重量的体积浓度为85%-95%的乙醇和0.2倍重量的体积浓度为10%-15%的稀盐酸,经三次超声提取,所得滤液减压蒸馏回收乙醇至浓度为55%-60%,静置12h后过滤干燥,即得蛋白粉;
(2)搅拌下将高筋面粉分批加入到5倍量的水中,混合均匀后形成粉浆,再用质量分数为3-5%的碱性溶液调节pH值至6-7,然后升温至60-80℃搅拌20-30min形成均匀粉糊溶液;
(3)搅拌下向剩余水中加入巴西棕榈蜡、海藻酸钠和柠檬酸,充分溶解完全后加入粉糊溶液、纳米碳酸钙、硬脂酸锌和聚乙烯醇,混合物升温至60-70℃后保温20-25min,再加入魔芋葡甘聚糖、低甲氧基果胶,继续升温至90-100℃,然后加入明胶、琼脂、京尼平和聚甘油脂肪酸酯,反应45-60min,反应结束后混合溶液缓慢降温冷却,降至室温后加入蛋白粉,充分混合均匀,最后过滤得成膜液;
(4)先将成膜液于3500-4000rpm/min均质分散10-15min,再将成膜液涂布在基材上,然后在40-45℃下干燥12-15h,干燥后揭膜,将其保存在环境湿度为55-60%的密闭容器中。
本发明的有益效果是:本发明以香蕉皮与苹果核为主要原料,再加入高筋面粉,辅以各种助剂,使制得的包装膜具有较强的物理机械性能、选择透过性以及抗菌、抗氧化作用;并且所选原料易被降解,绿色环保,从而避免了白色污染,保护生态环境。
具体实施方式:
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1
一种利用果皮制作的可降解的包装膜,由如下质量份数的原料制成:
香蕉皮60份、高筋面粉40份、苹果核15份、巴西棕榈蜡12份、纳米碳酸钙15份、硬脂酸锌12份、聚乙烯醇10份、海藻酸钠8份、明胶8份、碳酸氢钠6份、魔芋葡甘聚糖5份、低甲氧基果胶5份、柠檬酸3份、琼脂3份、京尼平3份、聚甘油脂肪酸酯2份、水800份。
所述纳米碳酸钙的粒径为30nm。
所述利用果皮制作的可降解的包装膜的制备方法,包括如下步骤:
(1)将香蕉皮、苹果核混合打碎成汁液,与碳酸氢钠一起加入到超声波提取罐中,再加入5倍重量的体积浓度为85%的乙醇和0.2倍重量的体积浓度为10%的稀盐酸,经三次超声提取,所得滤液减压蒸馏回收乙醇至浓度为55%,静置12h后过滤干燥,即得蛋白粉;
(2)搅拌下将高筋面粉分批加入到5倍量的水中,混合均匀后形成粉浆,再用质量分数为3%的碱性溶液调节pH值至6,然后升温至60℃搅拌20min形成均匀粉糊溶液;
(3)搅拌下向剩余水中加入巴西棕榈蜡、海藻酸钠和柠檬酸,充分溶解完全后加入粉糊溶液、纳米碳酸钙、硬脂酸锌和聚乙烯醇,混合物升温至60℃后保温20min,再加入魔芋葡甘聚糖、低甲氧基果胶,继续升温至90℃,然后加入明胶、琼脂、京尼平和聚甘油脂肪酸酯,反应45min,反应结束后混合溶液缓慢降温冷却,降至室温后加入蛋白粉,充分混合均匀,最后过滤得成膜液;
(4)先将成膜液于3500rpm/min均质分散10min,再将成膜液涂布在基材上,然后在40℃下干燥12h,干燥后揭膜,将其保存在环境湿度为55%的密闭容器中。
实施例2
一种利用果皮制作的可降解的包装膜,由如下质量份数的原料制成:
香蕉皮80份、高筋面粉50份、苹果核20份、巴西棕榈蜡18份、纳米碳酸钙18份、硬脂酸锌15份、聚乙烯醇12份、海藻酸钠10份、明胶10份、碳酸氢钠9份、魔芋葡甘聚糖8份、低甲氧基果胶8份、柠檬酸5份、琼脂6份、京尼平5份、聚甘油脂肪酸酯3份、水1000份。
所述纳米碳酸钙的粒径为50nm。
所述利用果皮制作的可降解的包装膜的制备方法,包括如下步骤:
(1)将香蕉皮、苹果核混合打碎成汁液,与碳酸氢钠一起加入到超声波提取罐中,再加入5倍重量的体积浓度为95%的乙醇和0.2倍重量的体积浓度为15%的稀盐酸,经三次超声提取,所得滤液减压蒸馏回收乙醇至浓度为60%,静置12h后过滤干燥,即得蛋白粉;
(2)搅拌下将高筋面粉分批加入到5倍量的水中,混合均匀后形成粉浆,再用质量分数为5%的碱性溶液调节pH值至7,然后升温至80℃搅拌30min形成均匀粉糊溶液;
(3)搅拌下向剩余水中加入巴西棕榈蜡、海藻酸钠和柠檬酸,充分溶解完全后加入粉糊溶液、纳米碳酸钙、硬脂酸锌和聚乙烯醇,混合物升温至70℃后保温25min,再加入魔芋葡甘聚糖、低甲氧基果胶,继续升温至100℃,然后加入明胶、琼脂、京尼平和聚甘油脂肪酸酯,反应60min,反应结束后混合溶液缓慢降温冷却,降至室温后加入蛋白粉,充分混合均匀,最后过滤得成膜液;
(4)先将成膜液于4000rpm/min均质分散15min,再将成膜液涂布在基材上,然后在45℃下干燥15h,干燥后揭膜,将其保存在环境湿度为60%的密闭容器中。
实施例3
一种利用果皮制作的可降解的包装膜,由如下质量份数的原料制成:
香蕉皮70份、高筋面粉45份、苹果核18份、巴西棕榈蜡15份、纳米碳酸钙16份、硬脂酸锌13份、聚乙烯醇11份、海藻酸钠9份、明胶9份、碳酸氢钠8份、魔芋葡甘聚糖7份、低甲氧基果胶6份、柠檬酸4份、琼脂5份、京尼平4份、聚甘油脂肪酸酯3份、水900份。
所述纳米碳酸钙的粒径为40nm。
所述利用果皮制作的可降解的包装膜的制备方法,包括如下步骤:
(1)将香蕉皮、苹果核混合打碎成汁液,与碳酸氢钠一起加入到超声波提取罐中,再加入5倍重量的体积浓度为90%的乙醇和0.2倍重量的体积浓度为13%的稀盐酸,经三次超声提取,所得滤液减压蒸馏回收乙醇至浓度为60%,静置12h后过滤干燥,即得蛋白粉;
(2)搅拌下将高筋面粉分批加入到5倍量的水中,混合均匀后形成粉浆,再用质量分数为4%的碱性溶液调节pH值至7,然后升温至7℃搅拌25min形成均匀粉糊溶液;
(3)搅拌下向剩余水中加入巴西棕榈蜡、海藻酸钠和柠檬酸,充分溶解完全后加入粉糊溶液、纳米碳酸钙、硬脂酸锌和聚乙烯醇,混合物升温至70℃后保温25min,再加入魔芋葡甘聚糖、低甲氧基果胶,继续升温至100℃,然后加入明胶、琼脂、京尼平和聚甘油脂肪酸酯,反应55min,反应结束后混合溶液缓慢降温冷却,降至室温后加入蛋白粉,充分混合均匀,最后过滤得成膜液;
(4)先将成膜液于3800rpm/min均质分散15min,再将成膜液涂布在基材上,然后在45℃下干燥14h,干燥后揭膜,将其保存在环境湿度为60%的密闭容器中。
表1本发明食品包装膜的性能测定结果
测试项目 实施例1 实施例2 实施例3 普通食品包装膜
拉伸强度(MPa) 30 35 32 11
断裂伸长率(%) 184 198 187 125
透光率(%) 91 93 92 89
透湿率(g/m2·24h) 7.2 7.8 7.6 16
O2透过率(cm3/m2·24h) 18 22 20 45
CO2透过率(cm3/m2·24h) 12 14 11 26
回缩性 一般
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (4)

1.一种利用果皮制作的可降解的包装膜,由如下质量份数的原料制成:香蕉皮60-80份、高筋面粉40-50份、苹果核15-20份、巴西棕榈蜡12-18份、纳米碳酸钙15-18份、硬脂酸锌12-15份、聚乙烯醇10-12份、海藻酸钠8-10份、明胶8-10份、碳酸氢钠6-9份、魔芋葡甘聚糖5-8份、低甲氧基果胶5-8份、柠檬酸3-5份、琼脂3-6份、京尼平3-5份、聚甘油脂肪酸酯2-3份、水800-1000份。
2.根据权利要求1所述的利用果皮制作的可降解的包装膜,其特征在于:优选如下质量份数的原料制成,香蕉皮70份、高筋面粉45份、苹果核18份、巴西棕榈蜡15份、纳米碳酸钙16份、硬脂酸锌13份、聚乙烯醇11份、海藻酸钠9份、明胶9份、碳酸氢钠8份、魔芋葡甘聚糖7份、低甲氧基果胶6份、柠檬酸4份、琼脂5份、京尼平4份、聚甘油脂肪酸酯3份、水900份。
3.根据权利要求1所述的利用果皮制作的可降解的包装膜,其特征在于:所述纳米碳酸钙的粒径为30-50nm。
4.根据权利要求1所述的利用果皮制作的可降解的包装膜,其特征在于:其制作方法,包括如下步骤:
(1)将香蕉皮、苹果核混合打碎成汁液,与碳酸氢钠一起加入到超声波提取罐中,再加入5倍重量的体积浓度为85%-95%的乙醇和0.2倍重量的体积浓度为10%-15%的稀盐酸,经三次超声提取,所得滤液减压蒸馏回收乙醇至浓度为55%-60%,静置12h后过滤干燥,即得蛋白粉;
(2)搅拌下将高筋面粉分批加入到5倍量的水中,混合均匀后形成粉浆,再用质量分数为3-5%的碱性溶液调节pH值至6-7,然后升温至60-80℃搅拌20-30min形成均匀粉糊溶液;
(3)搅拌下向剩余水中加入巴西棕榈蜡、海藻酸钠和柠檬酸,充分溶解完全后加入粉糊溶液、纳米碳酸钙、硬脂酸锌和聚乙烯醇,混合物升温至60-70℃后保温20-25min,再加入魔芋葡甘聚糖、低甲氧基果胶,继续升温至90-100℃,然后加入明胶、琼脂、京尼平和聚甘油脂肪酸酯,反应45-60min,反应结束后混合溶液缓慢降温冷却,降至室温后加入蛋白粉,充分混合均匀,最后过滤得成膜液;
(4)先将成膜液于3500-4000rpm/min均质分散10-15min,再将成膜液涂布在基材上,然后在40-45℃下干燥12-15h,干燥后揭膜,将其保存在环境湿度为55-60%的密闭容器中。
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CN109575626A (zh) * 2018-12-27 2019-04-05 北京服装学院 利用果蔬废弃物制备的再生材料、其制备方法及用途
CN110358319A (zh) * 2019-07-11 2019-10-22 刘培洋 多种类水果果皮环保纯天然绿色一次性餐具及其制作方法

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CN104610581A (zh) * 2015-01-15 2015-05-13 安徽巢湖南方膜业有限责任公司 一种可降解的植物淀粉-酪蛋白酸钠复合性果蔬包装膜

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CN104610581A (zh) * 2015-01-15 2015-05-13 安徽巢湖南方膜业有限责任公司 一种可降解的植物淀粉-酪蛋白酸钠复合性果蔬包装膜

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109575626A (zh) * 2018-12-27 2019-04-05 北京服装学院 利用果蔬废弃物制备的再生材料、其制备方法及用途
CN110358319A (zh) * 2019-07-11 2019-10-22 刘培洋 多种类水果果皮环保纯天然绿色一次性餐具及其制作方法

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