CN108391717A - 一种高档冷鲜牛肉的加工方法 - Google Patents
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Abstract
本发明提供一种高档冷鲜牛肉的加工方法,包括如下步骤:(1)将牛肉放入排酸库内,排酸库温度控制在0‑5℃,风速控制在0.20‑0.4m/s,湿度控制在80‑85%,排酸36‑48小时;(2)将经过排酸的牛肉采用冷源等离子体激发装置在高压电场条件下进行杀菌处理;冷源等离子体激发装置中高压电场的发生条件为电压25~32kV,处理时间为6~10min;(3)将杀菌处理后的牛肉中加入纳米氧化锌和乳酸链球菌素;(4)最后真空包装,速冻,冻藏,即得冷鲜牛肉成品。本发明无有毒残留或有害物质产生,保证了生鲜牛肉的安全性,杀菌抑菌效果显著,长期保存不影响食用口感,营养成分不受迫害。
Description
技术领域
本发明属于肉类加工技术领域,具体地说是一种高档冷鲜牛肉的加工方法。
背景技术
目前国内外消费者对牛肉产品的需求越来越大,越来越喜欢食用肉质嫩、高蛋白、低脂肪、胆固醇含量低、营养均衡的牛肉,向安全保健的方向发展,而冷鲜牛肉制品加工方法对牛肉的鲜、香、营养成分的保留和有害物质的去除起着重要的作用,目前常用的加工方法将牛肉进行简单真空包装,保质期限短,有害物质包括细菌等含量多,在现代加工物流过程中,抑制冷鲜牛肉中致病菌的感染和生长成为保证食品安全的关键;同时,由于冷鲜产品含水量较多,孔隙率小,长期保存容易影响食用口感,营养成分容易受迫害,这也是目前亟需解决的问题。
发明内容
本发明的目的在于提供一种高档冷鲜牛肉的加工方法,以解决上述背景技术中提出的问题。为实现上述目的,本发明提供如下技术方案:
一种高档冷鲜牛肉的加工方法,包括如下步骤:
(1)将牛肉放入排酸库内,排酸库温度控制在0-5℃,风速控制在0.20-0.4m/s,湿度控制在80-85%,排酸36-48小时;
(2)将经过排酸的牛肉采用冷源等离子体激发装置在高压电场条件下进行杀菌处理;冷源等离子体激发装置中高压电场的发生条件为电压25~32kV,处理时间为6~10min;
(3)将杀菌处理后的牛肉中加入纳米氧化锌和乳酸链球菌素;
(4)最后真空包装,速冻,冻藏,即得冷鲜牛肉成品。
进一步的,步骤(3)中每1千克牛肉中加入0.03~0.06g的纳米氧化锌。
进一步的,步骤(3)中每1千克牛肉中加入0.1~0.15g乳酸链球菌素。
进一步的,步骤(4)中速冻温度为-25~-30℃,冻藏温度为-22℃~-18℃。
有益效果:1)本发明排酸时,温度控制在0-5℃,风速控制在0.20-0.4m/s,湿度控制在80-85%,使得时间低至36-48小时即可完成排酸,远低于牛肉常规排酸时间54小时。
2)本发明采用冷源等离子体激发装置在高压电场条件下进行牛肉杀菌处理;杀菌后,牛肉表面微生物含量≦1*10CFU/cm2(国标GB/T22289-2008要求≦1*103CFU/cm2)。
3)加入纳米氧化锌进行抑菌处理;纳米氧化锌是一种带正电荷的抗菌物质,而细胞表面是带负电荷的。二者接触,发生电荷中和现象。细胞膜表面发生电荷转移,引起细胞膜表面蛋白的生理功能丧失,破坏细菌代谢起到抑菌作用。可以全面的作用于生鲜牛肉包装内部产品及微生物,不受外界环境影响、也避免了产品的二次污染。
4)本发明无有毒残留或有害物质产生,保证了生鲜牛肉的安全性,杀菌抑菌效果显著,长期保存不影响食用口感,营养成分不受迫害。
具体实施方式
下面通过对实施例的描述,对发明作进一步详细说明,目的是帮助本领域的技术人员对本发明的构思、技术方案有更完整、准确和深入的理解,并有助于其实施。
实施例1
一种高档冷鲜牛肉的加工方法,包括如下步骤:
(1)将牛肉放入排酸库内,排酸库温度控制在3℃,风速控制在0.20m/s,湿度控制在80%,排酸45小时;
(2)将经过排酸的牛肉采用冷源等离子体激发装置在高压电场条件下进行杀菌处理;冷源等离子体激发装置中高压电场的发生条件为电压28kV,处理时间为8min;
(3)将杀菌处理后的牛肉表面加入纳米氧化锌和乳酸链球菌素;用搅拌装置翻滚牛肉5分钟,使得纳米氧化锌和乳酸链球菌素均匀分布在肉体表面;
(4)最后真空包装,速冻,冻藏,即得冷鲜牛肉成品。
进一步的,步骤(3)中每1千克牛肉中加入0.05g的纳米氧化锌。
进一步的,步骤(3)中每1千克牛肉中加入0.1g乳酸链球菌素。
进一步的,步骤(4)中速冻温度为-25~-30℃,冻藏温度为-22℃~-18℃。
采用本实施例加工的冷鲜牛肉,杀菌后,牛肉表面微生物含量为5CFU/cm2(国标GB/T22289-2008要求≦1*103CFU/cm2);加入纳米氧化锌进行抑菌处理;全面的作用于生鲜牛肉包装内部产品及微生物,不受外界环境影响、避免了产品的二次污染;无有毒残留或有害物质产生,保证了生鲜牛肉的安全性,杀菌抑菌效果显著,长期保存不影响食用口感,营养成分不受迫害。
实施例2
一种高档冷鲜牛肉的加工方法,包括如下步骤:
(1)将牛肉放入排酸库内,排酸库温度控制在5℃,风速控制在0.4m/s,湿度控制在85%,排酸36小时;
(2)将经过排酸的牛肉采用冷源等离子体激发装置在高压电场条件下进行杀菌处理;冷源等离子体激发装置中高压电场的发生条件为电压32kV,处理时间为10min;
(3)将杀菌处理后的牛肉表面加入纳米氧化锌和乳酸链球菌素;用搅拌装置翻滚牛肉8分钟,使得纳米氧化锌和乳酸链球菌素均匀分布在肉体表面;
(4)最后真空包装,速冻,冻藏,即得冷鲜牛肉成品。
进一步的,步骤(3)中每1千克牛肉中加入0.06g的纳米氧化锌。
进一步的,步骤(3)中每1千克牛肉中加入0.15g乳酸链球菌素。
进一步的,步骤(4)中速冻温度为-25~-30℃,冻藏温度为-22℃~-18℃。
采用本实施例加工的冷鲜牛肉,杀菌后,牛肉表面微生物含量为3CFU/cm2(国标GB/T22289-2008要求≦1*103CFU/cm2);加入纳米氧化锌进行抑菌处理;全面的作用于生鲜牛肉包装内部产品及微生物,不受外界环境影响、避免了产品的二次污染;无有毒残留或有害物质产生,保证了生鲜牛肉的安全性,杀菌抑菌效果显著,长期保存不影响食用口感,营养成分不受迫害。
Claims (4)
1.一种高档冷鲜牛肉的加工方法,其特征在于,包括如下步骤:
(1)将牛肉放入排酸库内,排酸库温度控制在0-5℃,风速控制在0.20-0.4m/s,湿度控制在80-85%,排酸36-48小时;
(2)将经过排酸的牛肉采用冷源等离子体激发装置在高压电场条件下进行杀菌处理;冷源等离子体激发装置中高压电场的发生条件为电压25~32kV,处理时间为6~10min;
(3)将杀菌处理后的牛肉中加入纳米氧化锌和乳酸链球菌素;
(4)最后真空包装,速冻,冻藏,即得冷鲜牛肉成品。
2.根据权利要求1所述的一种高档冷鲜牛肉的加工方法,其特征在于,步骤(3)中,每1千克牛肉中加入0.03~0.06g的纳米氧化锌。
3.根据权利要求1所述的一种高档冷鲜牛肉的加工方法,其特征在于,步骤(3)中,每1千克牛肉中加入0.1~0.15g乳酸链球菌素。
4.根据权利要求1所述的一种高档冷鲜牛肉的加工方法,其特征在于,步骤(4)中速冻温度为-25~-30℃,冻藏温度为-22℃~-18℃。
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CN111248252A (zh) * | 2020-02-24 | 2020-06-09 | 内蒙古伊赛牛肉有限公司 | 一种高品质牛肉冷鲜肉的加工方法 |
WO2021093483A1 (zh) * | 2019-11-14 | 2021-05-20 | 华南理工大学 | 一种等离子体活性水真空包装红肉保鲜系统及方法 |
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WO2021093483A1 (zh) * | 2019-11-14 | 2021-05-20 | 华南理工大学 | 一种等离子体活性水真空包装红肉保鲜系统及方法 |
CN111248252A (zh) * | 2020-02-24 | 2020-06-09 | 内蒙古伊赛牛肉有限公司 | 一种高品质牛肉冷鲜肉的加工方法 |
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