CN110584054A - 一种无衣锥栗罐头的加工工艺 - Google Patents
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- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/10—General methods of cooking foods, e.g. by roasting or frying
- A23L5/13—General methods of cooking foods, e.g. by roasting or frying using water or steam
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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Abstract
本发明涉及食品加工技术领域,尤其为一种无衣锥栗罐头的加工工艺,包括原料粗加工、干蒸、冷却、选别、装袋、杀菌、金探。本发明中,相较于常规锥栗罐头的加工工艺,在锥栗干蒸后,添加了利用冷却水冷却后再次晾干的环节,其中,冷却水为含有没食子酸丙酯、柠檬酸、茶多酚、氯化钙及蒸馏水的混合液,可有效维持锥栗本色,防止锥栗由于长期存放而变色,失去鲜嫩色泽,该加工工艺,延长锥栗的保质期,且用料环保,适宜推广使用。
Description
技术领域
本发明涉及食品加工技术领域,具体为一种无衣锥栗罐头的加工工艺。
背景技术
目前市场上存在的大部分锥栗的加工方法,加工后的锥栗存放时间稍长,锥栗就会变黑,失去锥栗原有的色泽,导致锥栗保质期变短,且失去卖相,影响销售,因此,针对上述问题提出一种无衣锥栗罐头的加工工艺。
发明内容
本发明的目的在于提供一种无衣锥栗罐头的加工工艺,相较于常规锥栗罐头的加工工艺,在锥栗干蒸后,添加了利用冷却水冷却后再次晾干的环节,其中,冷却水为含有没食子酸丙酯、柠檬酸、茶多酚、氯化钙及蒸馏水的混合液,可有效维持锥栗本色,防止锥栗由于长期存放而变色,失去鲜嫩色泽,该加工工艺,延长锥栗的保质期,且用料环保,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:
一种无衣锥栗罐头的加工工艺,包括如下步骤:
1.原料筛选及粗加工,具体的,将锥栗中的空壳、个小、蛀虫及发芽的瑕疵锥栗挑出,后进行晾晒、脱壳、去皮、清洗;
2.将脱壳、去皮、清洗后的锥栗放入干蒸设备蒸熟,干蒸时间在15-20min;
3.将蒸熟的锥栗放入冷却水中冷却,该冷却水为含有没食子酸丙酯、柠檬酸、茶多酚、氯化钙及蒸馏水的混合液,水温在10-25℃之间;
4.将冷却完成的锥栗沥干后放入选别机中,分离出重量不合格的锥栗;
5.将选别完成的锥栗进行计重装袋,真空封口;
6.将包装完成的锥栗放入杀菌锅中进行杀菌处理,其中,杀菌锅温度控制在120℃,杀菌时长在20-25min;
7.将完成杀菌的锥栗袋取出后冷却、风干,后利用金探机检测,将合格的锥栗装箱、入库,完成锥栗罐头的加工。
优选的,所述步骤1中晾晒锥栗需将锥栗的含水量控制在20%以下。
优选的,所述步骤3中,冷却水中没食子酸丙酯、柠檬酸、茶多酚、氯化钙及蒸馏水的含量为没食子酸丙酯为蒸馏水含量的0.006-0.007wt%、柠檬酸为蒸馏水含量的0.5-0.8wt%、茶多酚为蒸馏水含量的0.2-0.5%、氯化钙为蒸馏水含量的0.2-0.4wt%。
优选的,所述步骤7中,金探机的探测灵敏度为Fe≥φ2.0mmSUS≥φ3.0mm。
与现有技术相比,本发明的有益效果是:相较于常规锥栗罐头的加工工艺,在锥栗干蒸后,添加了利用冷却水冷却后再次晾干的环节,其中,冷却水为含有没食子酸丙酯、柠檬酸、茶多酚、氯化钙及蒸馏水的混合液,可有效维持锥栗本色,防止锥栗由于长期存放而变色,失去鲜嫩色泽,该加工工艺,延长锥栗的保质期,且用料环保,适宜推广使用。
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。
本发明提供一种技术方案:
一种无衣锥栗罐头的加工工艺,包括如下步骤:
1.原料筛选及粗加工,具体的,将锥栗中的空壳、个小、蛀虫及发芽的瑕疵锥栗挑出,后进行晾晒、脱壳、去皮、清洗;
2.将脱壳、去皮、清洗后的锥栗放入干蒸设备蒸熟,干蒸时间在15-20min;
3.将蒸熟的锥栗放入冷却水中冷却,该冷却水为含有没食子酸丙酯、柠檬酸、茶多酚、氯化钙及蒸馏水的混合液,水温在10-25℃之间;
4.将冷却完成的锥栗沥干后放入选别机中,分离出重量不合格的锥栗;
5.将选别完成的锥栗进行计重装袋,真空封口;
6.将包装完成的锥栗放入杀菌锅中进行杀菌处理,其中,杀菌锅温度控制在120℃,杀菌时长在20-25min;
7.将完成杀菌的锥栗袋取出后冷却、风干,后利用金探机检测,将合格的锥栗装箱、入库,完成锥栗罐头的加工。
其中,步骤1中晾晒锥栗需将锥栗的含水量控制在20%以下。
其中,步骤3中,冷却水中没食子酸丙酯、柠檬酸、茶多酚、氯化钙及蒸馏水的含量为没食子酸丙酯为蒸馏水含量的0.006-0.007wt%、柠檬酸为蒸馏水含量的0.5-0.8wt%、茶多酚为蒸馏水含量的0.2-0.5%、氯化钙为蒸馏水含量的0.2-0.4wt%。
其中,步骤7中,金探机的探测灵敏度为Fe≥φ2.0mmSUS≥φ3.0mm。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (4)
1.一种无衣锥栗罐头的加工工艺,其特征在于:包括如下步骤:
1)原料筛选及粗加工,具体的,将锥栗中的空壳、个小、蛀虫及发芽的瑕疵锥栗挑出,后进行晾晒、脱壳、去皮、清洗;
2)将脱壳、去皮、清洗后的锥栗放入干蒸设备蒸熟,干蒸时间在15-20min;
3)将蒸熟的锥栗放入冷却水中冷却,该冷却水为含有没食子酸丙酯、柠檬酸、茶多酚、氯化钙及蒸馏水的混合液,水温在10-25℃之间;
4)将冷却完成的锥栗沥干后放入选别机中,分离出重量不合格的锥栗;
5)将选别完成的锥栗进行计重装袋,真空封口;
6)将包装完成的锥栗放入杀菌锅中进行杀菌处理,其中,杀菌锅温度控制在120℃,杀菌时长在20-25min;
7)将完成杀菌的锥栗袋取出后冷却、风干,后利用金探机检测,将合格的锥栗装箱、入库,完成锥栗罐头的加工。
2.根据权利要求1所述的一种无衣锥栗罐头的加工工艺,其特征在于:所述步骤1)中晾晒锥栗需将锥栗的含水量控制在20%以下。
3.根据权利要求1所述的一种无衣锥栗罐头的加工工艺,其特征在于:所述步骤3)中,冷却水中没食子酸丙酯、柠檬酸、茶多酚、氯化钙及蒸馏水的含量为没食子酸丙酯为蒸馏水含量的0.006-0.007wt%、柠檬酸为蒸馏水含量的0.5-0.8wt%、茶多酚为蒸馏水含量的0.2-0.5%、氯化钙为蒸馏水含量的0.2-0.4wt%。
4.根据权利要求1所述的一种无衣锥栗罐头的加工工艺,其特征在于:所述步骤7)中,金探机的探测灵敏度为Fe≥φ2.0mmSUS≥φ3.0mm。
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Application publication date: 20191220 |