CN106081345A - 一种复合型果蔬保鲜纸 - Google Patents

一种复合型果蔬保鲜纸 Download PDF

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CN106081345A
CN106081345A CN201610467077.9A CN201610467077A CN106081345A CN 106081345 A CN106081345 A CN 106081345A CN 201610467077 A CN201610467077 A CN 201610467077A CN 106081345 A CN106081345 A CN 106081345A
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张伟霞
俞锃
徐金金
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Abstract

本发明公开了一种复合型果蔬保鲜纸,它是将涂布有保鲜粉a的无纺布和涂布有保鲜粉b的无纺布置于透气薄膜袋内,经热合而成的封闭式纸片。本发明还公开了复合型果蔬保鲜纸的制备方法,包括:制备保鲜粉a、b;将纤维胶和保鲜粉a搅拌均匀制得胶粉混合保鲜剂a,涂布于无纺布上,干燥;将纤维胶和保鲜粉b搅拌均匀制得胶粉混合保鲜剂b,涂布于无纺布上,干燥;别将涂布有保鲜粉a的无纺布、涂布有保鲜粉b的无纺布平铺于透气薄膜袋内,经热合而成封闭式纸片。本发明果蔬保鲜纸可持续有效的吸附果蔬在储运过程中产生的乙烯和二氧化碳等有害气体,控制果蔬结露,杀菌抑菌,减少细菌滋生,抑制果蔬的后熟,起到保鲜的作用,可应用于果蔬保鲜。

Description

一种复合型果蔬保鲜纸
技术领域
本发明属于果蔬保鲜技术领域,具体涉及一种复合型果蔬保鲜纸。
背景技术
目前果蔬的保鲜方法主要有低温贮藏、气调贮藏、化学药剂浸泡或生物药剂、投放固体小包装保鲜剂、采用防潮纸等方法。低温贮藏和气调贮藏均需要一定的控温控湿和制气设备,其造价高,成本相对较高,且不便于果蔬运输过程的保鲜;化学药剂或生物药剂保鲜法不好控制药剂残留问题;固体保鲜剂作用面积有限,适合小袋装或者盒装的精品果蔬保鲜,如果应用在泡沫箱、纸箱等大包装果蔬保鲜方面不能完全吸收有害气体以致保鲜作用不够明显;而防潮纸保鲜仅能除却果蔬结露但无法抑制或去除有害气体对果蔬的伤害。保鲜纸是一种新型的保鲜方法,保鲜纸袋可根据容器大小调节纸袋尺寸,材料轻薄,环保、易降解,价格低廉,且使用方便,是一种极易推广的新型保鲜技术。
发明内容
本发明的目的是提供一种复合型果蔬保鲜纸,该复合型果蔬保鲜纸可以解决上述保鲜技术中存在的不足。
为了解决上述问题,本发明采用的技术方案是:
一种复合型果蔬保鲜纸,它是将涂布有保鲜粉a的无纺布和涂布有保鲜粉b的无纺布置于透气薄膜袋内,经热合而成的封闭式纸片;
所述的保鲜粉a含有海泡石粉、分子筛ZSM-5、二氧化硅、二氧化钛;所述的保鲜粉b含有食品级氢氧化钙、白炭黑和葫芦巴粉。
所述的透气薄膜袋为PP透气薄膜袋。所述的透气薄膜袋的薄膜透气度1000~2000S。
所述的保鲜粉a含有下述重量份配比的组分:
所述的保鲜粉b含有下述重量份配比的组分:
氢氧化钙 100
白炭黑 1~10
葫芦巴粉 0.5~4。
优选的,所述的保鲜粉a含有下述重量份配比的组分:
所述的保鲜粉b含有下述重量份配比的组分:
氢氧化钙 100
白炭黑 2~7
葫芦巴粉 1~2。
所述的纳米级分子筛ZSM-5的硅铝比为25-30。
所述的食品级氢氧化钙为600目食品级氢氧化钙;所述的白炭黑为食品级白炭黑。
本发明的另一个目的是提供复合型果蔬保鲜纸的制备方法,它包括如下步骤:
步骤(1)、将纳米级海泡石粉、纳米级分子筛ZSM-5、纳米级二氧化硅、纳米级二氧化钛混合均匀制得保鲜粉a;将食品级氢氧化钙、白炭黑、葫芦巴粉混合均匀制得保鲜粉b;
步骤(2)、将纤维胶和保鲜粉a搅拌均匀制得胶粉混合保鲜剂a,然后将胶粉混合保鲜剂a均匀涂布于无纺布上,在70~80℃恒温下干燥15~20分钟;
将纤维胶和保鲜粉b搅拌均匀制得胶粉混合保鲜剂b,然后将胶粉混合保鲜剂a均匀涂布于无纺布上,在70~80℃恒温下干燥10~15分钟;
步骤(3)、分别将涂布有保鲜粉a的无纺布、涂布有保鲜粉b的无纺布平铺于透气薄膜袋内,经热合而成封闭式纸片。
步骤(2)中,所述的纤维胶由水、淀粉、植物纤维按照重量比8~9:1~3:1~2的比例混合均匀制得。
所述的水优选采用纯净水;所述的淀粉优选采用玉米淀粉;所述的植物纤维优选采用棉花纤维。
所述的保鲜粉a和纤维胶的重量比为0.25~0.3:1;所述的胶粉混合保鲜剂a的涂布用量为150~160g/1m2无纺布;
所述的保鲜粉b和纤维胶的重量比为1.4~1.6:1;所述的胶粉混合保鲜剂b的涂布用量为170~180g/1m2无纺布。
步骤(3)中,分别将涂布有保鲜粉a的无纺布、涂布有保鲜粉b的无纺布平铺于透气薄膜袋内,采用脚踏式封口机在瞬间功率2000W热封2秒钟制成封闭式纸片。
本发明的另一个目的是提供所述的复合型果蔬保鲜纸在果蔬保鲜中的应用。使用方法:将水果或者蔬菜装在容器里,然后将复合型果蔬保鲜纸平铺在水果或者蔬菜上面,盖上容器密封;常用的容器有泡沫箱、纸箱、纸盒、食品盒等。
和现有技术相比,本发明的有益效果:
1、采用本发明果蔬保鲜纸,覆盖在果蔬的表面可持续有效的吸附果蔬采摘后在储运过程中因呼吸作用产生的乙烯和(或)二氧化碳等有害气体,并且可以有效控制果蔬结露,同时本发明保鲜药粉(葫芦巴粉)具有杀菌抑菌的作用,可抑制果蔬的后熟,减少细菌滋生,起到保鲜的作用。常温储运可延长保质期5~8天。
2、本发明果蔬保鲜纸具有操作方便、环保、易降解以及成本低的优点,尤其适合储运过程中鲜果蔬的保鲜。
3、按照本发明方法制得的涂布保鲜粉的无纺布纸在使用过程中不产生掉粉的情况,使用更安全可靠。
具体实施方式
下面结合实施例对本发明的技术方案作进一步详述。
实施例1
一种复合型果蔬保鲜纸,它是将涂布有保鲜粉a的无纺布和涂布有保鲜粉b的无纺布置于透气薄膜袋内,经热合而成的封闭式纸片。其制备方法包括以下步骤:
步骤(1)、制备保鲜粉a:纳米级海泡石粉100g、纳米级分子筛ZSM-5(硅铝比25-30)25g、纳米级二氧化硅3g、纳米级二氧化钛1.5g在常温下搅拌混合均匀即得;
制备保鲜粉b、将600目食品级氢氧化钙粉100g、食品级白炭黑2g、葫芦巴粉1g搅拌混合均匀即得;
步骤(2)、将400g纤维胶加入保鲜粉a中,边加边搅拌,以1000转/分的速度搅拌均匀,制得胶粉混合保鲜剂a;然后将该胶粉混合保鲜剂均匀涂抹于无纺布上,以上的用量可涂抹3.5平米大小的无纺布;将无纺布置于烘干机中,在80℃恒温下烘干15~20分钟,待其干燥冷却后取出;
往保鲜粉b中边搅拌边加入70g纤维胶,以1000转/分的速度搅拌均匀,制得胶粉混合保鲜剂b;然后将该胶粉混合保鲜剂均匀涂抹于无纺布上,以上的重量可涂抹1平米大小的无纺布;将无纺布置于烘干机中,在80℃恒温下烘干10~15分钟,待其干燥冷却后取出;
其中,纤维胶由纯净水、玉米淀粉、棉花纤维按照8:1:1的比例混合均匀即得。
步骤(3)、将两块分别涂抹保鲜剂a的无纺布、涂抹保鲜剂b的无纺布平铺于PP透气薄膜袋内,采用脚踏式封口机(瞬间功率2000W)热封2秒钟,即成。
使用方法:使用时,将水果或者蔬菜装在容器里,然后将复合型果蔬保鲜纸平铺在水果或者蔬菜上面,盖上容器密封,常用的容器有泡沫箱、纸箱、纸盒、食品盒等。如果是分层的容器,可在容器每层放一张复合型保鲜纸袋增强保鲜效果。复合型果蔬保鲜纸可均匀有效的吸附果蔬采摘后在储运过程中因呼吸作用产生的乙烯和(或)二氧化碳等有害气体,并且可以有效控制果蔬结露,同时保鲜药粉(葫芦巴粉)具有杀菌抑菌的作用,可抑制果蔬的后熟,减少细菌滋生,起到保鲜的作用。将本实施例保鲜纸用来保鲜草莓,7-15℃保存2-3公斤装的纸箱装草莓,5天后口感香甜,硬度稍有下降,色泽光亮,好果率达到95%以上,而未使用保鲜纸的普通包装方法好果率为50%左右,霉变程度高。
实施例2
一种复合型果蔬保鲜纸,它是将涂布有保鲜粉a的无纺布和涂布有保鲜粉b的无纺布置于透气薄膜袋内,经热合而成的封闭式纸片。其制备方法包括以下步骤:
步骤(1)、制备保鲜粉a:将纳米级海泡石粉100g、纳米级分子筛催化剂30g、纳米级二氧化硅8g、纳米级二氧化钛2g在常温下搅拌混合均匀;
制备保鲜粉b:将600目食品级氢氧化钙粉100g、食品级白炭黑7g、葫芦巴粉2g搅拌混合均匀即得;
步骤(2)、将400g纤维胶(同实施例1)加入保鲜粉a中,边搅拌边加入,以1000转/分的速度搅拌均匀,制得胶粉混合保鲜剂a;然后将该胶粉混合保鲜剂a均匀涂抹于无纺布表面上,以上的重量可涂抹3.5平米大小的无纺布,将无纺布置于烘干机中,在80℃恒温下烘干15~20分钟,待其干燥冷却后取出;
往保鲜粉b中边搅拌边加入70g纤维胶,以1000转/分的速度搅拌均匀,制得胶粉混合保鲜剂b;然后将该胶粉混合保鲜剂均匀涂抹于无纺布表面上,以上的重量可涂抹1平米大小的无纺布;将无纺布置于烘干机中,在80℃恒温下烘干10~15分钟,待其干燥冷却后取出。
步骤(3)、将两块分别涂抹保鲜剂a的无纺布、涂抹保鲜剂b的无纺布平铺于PP透气薄膜袋内,采用脚踏式封口机(瞬间功率2000W)热封2秒钟,即成。
使用方法:使用时,将水果或者蔬菜装在容器里,然后将复合型果蔬保鲜纸平铺在水果或者蔬菜上面,盖上容器密封,常用的容器有泡沫箱、纸箱、纸盒、食品盒等。如果是分层的容器,可在容器每层放一张复合型保鲜纸增强保鲜效果。复合型果蔬保鲜纸可均匀有效的吸附果蔬采摘后在储运过程中因呼吸作用产生的乙烯和(或)二氧化碳等有害气体,并且可以有效控制果蔬结露,同时本发明所述保鲜药粉具有杀菌抑菌的作用,可抑制果蔬的后熟,减少细菌滋生,起到保鲜的作用。将本实施例保鲜纸袋用来保鲜3公斤装的新鲜杏子,可从新疆常温(20-30℃)运输到江苏,7天时间内杏子完好无腐烂。
实施例3
一种复合型果蔬保鲜纸,它是将涂布有保鲜粉a的无纺布和涂布有保鲜粉b的无纺布置于透气薄膜袋内,经热合而成的封闭式纸片。其制备方法包括以下步骤:
步骤(1)、制备保鲜粉a:将纳米级海泡石粉100g、纳米级分子筛催化剂28g、纳米级二氧化硅6g、纳米级二氧化钛2g在常温下搅拌混合均匀即得;
制备保鲜粉b:将600目食品级氢氧化钙粉100g、食品级白炭黑5g、葫芦巴粉1.5g搅拌混合均匀即得;
步骤(2)、将400g纤维胶(同实施例1)加入保鲜粉a中,边搅拌边加入,以1000转/分的速度搅拌均匀,制得胶粉混合保鲜剂a;然后将该胶粉混合保鲜剂均匀涂抹于无纺布上,以上的重量可涂抹3.5平米大小的无纺布;将无纺布置于烘干机中,在80℃恒温下烘干15~20分钟,待其干燥冷却后取出;
往保鲜粉b中边搅拌边加入70g纤维胶,以1000转/分的速度搅拌均匀,制得胶粉混合保鲜剂b;然后将该胶粉混合保鲜剂均匀涂抹于无纺布上,以上的重量可涂抹1平米大小的无纺布;将无纺布置于烘干机中,在80℃恒温下烘干10~15分钟,待其干燥冷却后取出。
步骤(3)、将两块分别涂抹保鲜剂a的无纺布、涂抹保鲜剂b的无纺布平铺于PP透气薄膜纸袋内,采用脚踏式封口机(瞬间功率2000W)热封2秒钟,即成。
使用方法:使用时,将水果或者蔬菜装在容器里,然后将复合型果蔬保鲜纸平铺在水果或者蔬菜上面,盖上容器密封,常用的容器有泡沫箱、纸箱、纸盒、食品盒等。如果是分层的容器,可在容器每层放一张复合型保鲜纸增强保鲜效果。复合型果蔬保鲜纸可均匀有效的吸附果蔬采摘后在储运过程中因呼吸作用产生的乙烯和(或)二氧化碳等有害气体,并且可以有效控制果蔬结露,同时本发明所述保鲜药粉具有杀菌抑菌的作用,可抑制果蔬的后熟,减少细菌滋生,起到保鲜的作用。将本实施例保鲜纸袋用来保鲜新鲜黄瓜,在10-13℃环境下存放,可保持2个月不变软,色泽新鲜如初。

Claims (9)

1.一种复合型果蔬保鲜纸,其特征在于它是将涂布有保鲜粉a的无纺布和涂布有保鲜粉b的无纺布置于透气薄膜袋内,经热合而成的封闭式纸片;
所述的保鲜粉a含有纳米级海泡石粉、纳米级分子筛ZSM-5、纳米级二氧化硅、纳米级二氧化钛;所述的保鲜粉b含有食品级氢氧化钙、白炭黑和葫芦巴粉。
2.根据权利要求1所述的复合型果蔬保鲜纸,其特征在于所述的透气薄膜袋为PP透气薄膜袋。
3.根据权利要求1所述的复合型果蔬保鲜纸,其特征在于所述的保鲜粉a含有下述重量份配比的组分:
所述的保鲜粉b含有下述重量份配比的组分:
氢氧化钙 100
白炭黑 1~10
葫芦巴粉 0.5~4。
4.根据权利要求3所述的复合型果蔬保鲜纸,其特征在于所述的保鲜粉a含有下述重量份配比的组分:
所述的保鲜粉b含有下述重量份配比的组分:
氢氧化钙 100
白炭黑 2~7
葫芦巴粉 1~2。
5.根据权利要求1所述的复合型果蔬保鲜纸,其特征在于所述的纳米级分子筛ZSM-5的硅铝比为25-30;
所述的食品级氢氧化钙为600目食品级氢氧化钙;
所述的白炭黑为食品级白炭黑。
6.权利要求1所述的复合型果蔬保鲜纸的制备方法,其特征在于它包括如下步骤:
步骤(1)、将纳米级海泡石粉、纳米级分子筛ZSM-5、纳米级二氧化硅、纳米级二氧化钛混合均匀制得保鲜粉a;将食品级氢氧化钙、白炭黑、葫芦巴粉混合均匀制得保鲜粉b;
步骤(2)、将纤维胶和保鲜粉a搅拌均匀制得胶粉混合保鲜剂a,然后将胶粉混合保鲜剂a均匀涂布于无纺布上,在70~80℃恒温下干燥15~20分钟;
将纤维胶和保鲜粉b搅拌均匀制得胶粉混合保鲜剂b,然后将胶粉混合保鲜剂b均匀涂布于无纺布上,在70~80℃恒温下干燥10~15分钟;
步骤(3)、分别将涂布有保鲜粉a的无纺布、涂布有保鲜粉b的无纺布平铺于透气薄膜纸袋内,经热合而成封闭式纸片。
7.根据权利要求6所述的复合型果蔬保鲜纸的制备方法,其特征在于步骤(2)中,所述的纤维胶由水、淀粉、植物纤维按照重量比8~9:1~3:1~2的比例混合均匀制得。
8.根据权利要求6所述的复合型果蔬保鲜纸的制备方法,其特征在于所述的保鲜粉a和纤维胶的重量比为0.3~0.35:1;所述的胶粉混合保鲜剂a的涂布用量为150~160g/1m2无纺布;
所述的保鲜粉b和纤维胶的重量比为1.4~1.6:1;所述的胶粉混合保鲜剂b的涂布用量为170~180g/1m2无纺布。
9.权利要求1所述的复合型果蔬保鲜纸在果蔬保鲜中的应用。
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