CN109369966A - 一种可食性保鲜膜及其制备方法 - Google Patents
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Abstract
本发明公开了一种可食性保鲜膜及其制备方法,属于食品包装领域。所述可食性保鲜膜,包括以下重量份的原料:马铃薯淀粉55‑65份、壳聚糖38‑42份、乳清蛋白粉20‑30份、山梨酸钾15‑17份、蔗糖酯10‑14份、蓖麻油7‑9份、巴戟天6‑8份、大蒜油3‑5份、蔗糖2‑4份、玉米糖浆1‑3份、茶多酚0.1‑0.3份。本发明所述可食性保鲜膜提高了材料整体性能,抗菌性能优异,且使用度更广。
Description
技术领域
本发明涉及食品包装领域,具体涉及一种可食性保鲜膜及其制备方法。
背景技术
可食性保鲜膜具有保鲜效果好、使用方便、实用性好等特点,制作工艺简单、成本低、可食、易降解、对环境不产生污染,是一种极具开发潜势的食品包装材料。目前所使用的可食性保鲜膜在果蔬保鲜中虽然已取得了显著的成果,但也存在着问题,多糖亲水性强,导致膜的阻湿性能差,在较高的湿度环境下容易吸潮发黏,蛋白质膜具有很强的亲水性,抗水能力差,在高湿条件下应用受到限制。目前是可食性保鲜膜整体性能较差,无法适用于各种食品,普及性差。
发明内容
本发明的目的在于提供一种可食性保鲜膜,其提高了材料整体性能,抗菌性能优异,且使用度更广。
为实现上述目的,本发明提供如下技术方案:
一种可食性保鲜膜,包括以下重量份的原料:马铃薯淀粉55-65份、壳聚糖38-42份、乳清蛋白粉20-30份、山梨酸钾15-17份、蔗糖酯10-14份、蓖麻油7-9份、巴戟天6-8份、大蒜油3-5份、蔗糖2-4份、玉米糖浆1-3份、茶多酚0.1-0.3份。
优选地,所述可食性保鲜膜,包括以下重量份的原料:马铃薯淀粉60份、壳聚糖40份、乳清蛋白粉25份、山梨酸钾16份、蔗糖酯12份、蓖麻油8份、巴戟天7份、大蒜油4份、蔗糖3份、玉米糖浆2份、茶多酚0.2份。
优选地,所述乳清蛋白粉为热稳定乳清蛋白粉。
优选地,所述可食性保鲜膜的制备方法,包括以下步骤:
(1)将巴戟天切碎后放入水中,加热至煮沸,保持微沸20-30min后,分离煎出液,将巴戟天渣再次煎煮2-3次,合并煎煮之后的所有煎出液,然后浓缩,得到巴戟天提取液;
(2)将乳清蛋白粉、山梨酸钾、蓖麻油混合搅拌均匀,然后静置40-50min,加入巴戟天提取液、大蒜油混合搅拌均匀,得到抗菌液,将马铃薯淀粉置于沸水浴中进行糊化,马铃薯淀粉完全糊化后冷却至40-45℃,加入壳聚糖、抗菌液、蔗糖酯,搅拌混合30-40min,再加入蔗糖、玉米糖浆、茶多酚混合搅拌25-35min,然后利用超声脱气10-20min,得到保鲜膜液;
(3)使用流延法将上述保鲜膜液倒入容器中,干燥成膜,然后将干燥后的膜揭下,放入干燥器中平衡和贮存,即得所述可食性保鲜膜。
优选地,所述步骤(1)中,巴戟天提取液的质量百分比浓度为70-85%。
优选地,所述步骤(2)中,搅拌速度均为350-400r/min。
优选地,所述步骤(3)中,干燥成膜的方法为在40-42℃下干燥10-12h。
优选地,所述步骤(3)中,干燥器的湿度为58-64%。
与现有技术相比,本发明的有益效果是:
(1)本发明通过多糖、蛋白、脂类的复配,进行调节保鲜膜的透水性、机械强度、阻气性、抗水性等性能,从而获得整体性能优异的保鲜膜,同时,增大了保鲜膜的适用范围。
(2)乳清蛋白粉、山梨酸钾结合后可以提高抗菌活性,同时,蓖麻油、巴戟天提取液、大蒜油、壳聚糖、蔗糖酯均有抗菌性能,使保鲜膜具有优异的抗菌效果。
(3)蔗糖、玉米糖浆可以增强保鲜膜的机械性能,茶多酚可以增强保鲜膜的抗氧化性能。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
本实施例中所述的可食性保鲜膜,包括以下重量份的原料:马铃薯淀粉55份、壳聚糖38份、乳清蛋白粉20份、山梨酸钾15份、蔗糖酯10份、蓖麻油7份、巴戟天6份、大蒜油3份、蔗糖2份、玉米糖浆1份、茶多酚0.1份;所述乳清蛋白粉为热稳定乳清蛋白粉。
所述可食性保鲜膜的制备方法,包括以下步骤:
(1)将巴戟天切碎后放入水中,加热至煮沸,保持微沸20min后,分离煎出液,将巴戟天渣再次煎煮2次,合并煎煮之后的所有煎出液,然后浓缩,得到质量百分比浓度为70%的巴戟天提取液;
(2)将乳清蛋白粉、山梨酸钾、蓖麻油混合搅拌均匀,然后静置40min,加入巴戟天提取液、大蒜油混合搅拌均匀,得到抗菌液,将马铃薯淀粉置于沸水浴中进行糊化,马铃薯淀粉完全糊化后冷却至40℃,加入壳聚糖、抗菌液、蔗糖酯,搅拌混合30min,再加入蔗糖、玉米糖浆、茶多酚混合搅拌25min,然后利用超声脱气10min,以上搅拌速度均为350r/min,得到保鲜膜液;
(3)使用流延法将上述保鲜膜液倒入容器中,干燥成膜,干燥温度为40℃,干燥时间为10h,然后将干燥后的膜揭下,放入湿度为58%的干燥器中平衡和贮存,即得所述可食性保鲜膜。
实施例2
本实施例中所述的可食性保鲜膜,包括以下重量份的原料:马铃薯淀粉60份、壳聚糖40份、乳清蛋白粉25份、山梨酸钾16份、蔗糖酯12份、蓖麻油8份、巴戟天7份、大蒜油4份、蔗糖3份、玉米糖浆2份、茶多酚0.2份;所述乳清蛋白粉为热稳定乳清蛋白粉。
所述可食性保鲜膜的制备方法,包括以下步骤:
(1)将巴戟天切碎后放入水中,加热至煮沸,保持微沸25min后,分离煎出液,将巴戟天渣再次煎煮2次,合并煎煮之后的所有煎出液,然后浓缩,得到质量百分比浓度为77%的巴戟天提取液;
(2)将乳清蛋白粉、山梨酸钾、蓖麻油混合搅拌均匀,然后静置45min,加入巴戟天提取液、大蒜油混合搅拌均匀,得到抗菌液,将马铃薯淀粉置于沸水浴中进行糊化,马铃薯淀粉完全糊化后冷却至43℃,加入壳聚糖、抗菌液、蔗糖酯,搅拌混合35min,再加入蔗糖、玉米糖浆、茶多酚混合搅拌30min,然后利用超声脱气15min,以上搅拌速度均为375r/min,得到保鲜膜液;
(3)使用流延法将上述保鲜膜液倒入容器中,干燥成膜,干燥温度为41℃,干燥时间为11h,然后将干燥后的膜揭下,放入湿度为61%的干燥器中平衡和贮存,即得所述可食性保鲜膜。
实施例3
本实施例中所述的可食性保鲜膜,包括以下重量份的原料:马铃薯淀粉65份、壳聚糖42份、乳清蛋白粉30份、山梨酸钾17份、蔗糖酯14份、蓖麻油9份、巴戟天8份、大蒜油5份、蔗糖4份、玉米糖浆3份、茶多酚0.3份;所述乳清蛋白粉为热稳定乳清蛋白粉。
所述可食性保鲜膜的制备方法,包括以下步骤:
(1)将巴戟天切碎后放入水中,加热至煮沸,保持微沸30min后,分离煎出液,将巴戟天渣再次煎煮3次,合并煎煮之后的所有煎出液,然后浓缩,得到质量百分比浓度为85%的巴戟天提取液;
(2)将乳清蛋白粉、山梨酸钾、蓖麻油混合搅拌均匀,然后静置50min,加入巴戟天提取液、大蒜油混合搅拌均匀,得到抗菌液,将马铃薯淀粉置于沸水浴中进行糊化,马铃薯淀粉完全糊化后冷却至45℃,加入壳聚糖、抗菌液、蔗糖酯,搅拌混合40min,再加入蔗糖、玉米糖浆、茶多酚混合搅拌35min,然后利用超声脱气20min,以上搅拌速度均为400r/min,得到保鲜膜液;
(3)使用流延法将上述保鲜膜液倒入容器中,干燥成膜,干燥温度为42℃,干燥时间为12h,然后将干燥后的膜揭下,放入湿度为64%的干燥器中平衡和贮存,即得所述可食性保鲜膜。
以上内容仅仅是对本发明结构所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离本发明的结构或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。
Claims (8)
1.一种可食性保鲜膜,其特征在于,包括以下重量份的原料:马铃薯淀粉55-65份、壳聚糖38-42份、乳清蛋白粉20-30份、山梨酸钾15-17份、蔗糖酯10-14份、蓖麻油7-9份、巴戟天6-8份、大蒜油3-5份、蔗糖2-4份、玉米糖浆1-3份、茶多酚0.1-0.3份。
2.根据权利要求1所述的一种可食性保鲜膜,其特征在于,包括以下重量份的原料:马铃薯淀粉60份、壳聚糖40份、乳清蛋白粉25份、山梨酸钾16份、蔗糖酯12份、蓖麻油8份、巴戟天7份、大蒜油4份、蔗糖3份、玉米糖浆2份、茶多酚0.2份。
3.根据权利要求1或2所述的一种可食性保鲜膜,其特征在于:所述乳清蛋白粉为热稳定乳清蛋白粉。
4.根据权利要求1-3任一项所述的一种可食性保鲜膜的制备方法,其特征在于,包括以下步骤:
(1)将巴戟天切碎后放入水中,加热至煮沸,保持微沸20-30min后,分离煎出液,将巴戟天渣再次煎煮2-3次,合并煎煮之后的所有煎出液,然后浓缩,得到巴戟天提取液;
(2)将乳清蛋白粉、山梨酸钾、蓖麻油混合搅拌均匀,然后静置40-50min,加入巴戟天提取液、大蒜油混合搅拌均匀,得到抗菌液,将马铃薯淀粉置于沸水浴中进行糊化,马铃薯淀粉完全糊化后冷却至40-45℃,加入壳聚糖、抗菌液、蔗糖酯,搅拌混合30-40min,再加入蔗糖、玉米糖浆、茶多酚混合搅拌25-35min,然后利用超声脱气10-20min,得到保鲜膜液;
(3)使用流延法将上述保鲜膜液倒入容器中,干燥成膜,然后将干燥后的膜揭下,放入干燥器中平衡和贮存,即得所述可食性保鲜膜。
5.根据权利要求4所述的一种可食性保鲜膜的制备方法,其特征在于:所述步骤(1)中,巴戟天提取液的质量百分比浓度为70-85%。
6.根据权利要求4所述的一种可食性保鲜膜的制备方法,其特征在于:所述步骤(2)中,搅拌速度均为350-400r/min。
7.根据权利要求4所述的一种可食性保鲜膜的制备方法,其特征在于:所述步骤(3)中,干燥成膜的方法为在40-42℃下干燥10-12h。
8.根据权利要求4所述的一种可食性保鲜膜的制备方法,其特征在于:所述步骤(3)中,干燥器的湿度为58-64%。
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