The invention relates to a fresh-keeping method for aquatic products, in particular to a method for prolonging the fresh-keeping period of aquatic products and improving the fresh-keeping quality by using bactericides. It mainly solves the technical bottleneck of the current ice storage method, which is short storage period and the freshness and quality that salt storage method can not guarantee. The implementation steps of the invention are as follows: after the water product is washed below 10 centigrade cold water, the ice water solution of the weight percentage 0.5~5% poly (six methylene guanidine) is soaked and germicidal, and then the aquatic product is placed in the foam storage tank to cover the water solution of 0.5~5% poly (six methylene guanidine) to make the germicidal fresh ice, and finally the sealed box is carried out. The invention changes the traditional fresh-keeping process, which is to sterilize first and form a bactericidal protective film on the surface of the aquatic product. During the preservation, the microorganism is inhibited by the sterilization and fresh-keeping ice. Thus, the preservation period of the traditional ice storage method is more than two times longer than that of the traditional ice storage method. The invention is suitable for ice storage and preservation of aquatic products, dry low-temperature transportation in vivo and fine processing of frozen aquatic products.
【技术实现步骤摘要】
一种采用杀菌剂延长水产品冷藏保鲜的方法
本专利技术涉及水产品保鲜的方法,特别涉及一种采用杀菌剂延长水产品冷藏保鲜的方法。
技术介绍
水产品腐败变质的主要原因是其本身带有的、或贮藏过程中残存的微生物,在适宜条件下生长、繁殖,分解鱼体蛋白质、氨基酸和脂肪等成分,使水产品产生有异臭味和毒性的物资,失去原有的品质和价值。目前,我国水产品保鲜大多采用加冰冷藏,添加食盐和防腐剂等添加剂等方法,以达到防腐、保鲜、延长保鲜期的目的。冰冷藏保鲜虽能有效抑制、或减缓鱼体酶类的活性和细菌生长,较好地保存水产品的原有风味、营养价值和外观质量,但保鲜时间不长,尤其是在偏远的水产品产地冰块不充足的情况下,降温措施不尽理想,往往在未运输到交易市场前,水产品特有的鲜度和色泽就已失去,而且,水产品中的多种营养成分和维生素遭到大量的破坏。盐藏法是沿海渔民最常用的保鲜方法,通过破坏鱼体微生物和酶活力发挥作用所需要的湿度,抑制微生物的繁殖。但是,由于食盐溶液的渗透脱水作用,使鱼体水分降低,不可避免地改变了水产品原有的味道和品质,甚至特有的光泽。另外,长期食用含有防腐剂等添加剂的水产品对人体有害,严重时容易致癌。我国是世界第一水产品生产大国,却是水产品加工出口的小国。水产品往往由于传统的保鲜技术和加工模式的落后,结果造成了渔业资源的浪费,更难以达到出口的标准。尽管我国大陆2004年对美国的罗非鱼出口量达5.3万吨,占美国进口罗非鱼总量的52.9%,但由于保鲜和加工技术落后,产品质量低下,价格明显偏低。以2004美国罗非鱼鲜鱼片进口价格为例,我国大陆地价格为3.0美元/公斤,而台湾为4.24美元/公 ...
【技术保护点】
一种采用杀菌剂延长水产品冷藏保鲜的方法,包括以下步骤:首先将水 产品用冷水浸洗,冷水温度≤10℃,然后将浸洗后的水产品放入重量百分比0.5~5%聚六亚甲基胍的冰水溶液进行浸泡杀菌,杀菌处理后的水产品置入泡沫保藏箱中,在水产品上覆盖杀菌保鲜冰,所述的杀菌保鲜冰由重量百分比0.5~5%聚 六亚甲基胍的水溶液冷冻制成,最后进行封箱。
【技术特征摘要】
1.一种采用杀菌剂延长水产品冷藏保鲜的方法,包括以下步骤:首先将水产品用冷水浸洗,冷水温度≤10℃,然后将浸洗后的水产品放入重量百分比0.5~5%聚六亚甲基胍的冰水溶液进行浸泡杀菌,杀菌处理后的水产品置入泡沫保藏箱中,在水产品上覆盖杀菌保鲜冰,所述的杀菌保鲜冰由重量百分比0.5~5%聚六亚甲基胍的水...
【专利技术属性】
技术研发人员:张琦,
申请(专利权)人:威海恒沃贸易有限公司,
类型:发明
国别省市:山东,37
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