CN101524094A - 一种南瓜速冻加工方法 - Google Patents
一种南瓜速冻加工方法 Download PDFInfo
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Abstract
一种南瓜速冻加工的方法,属于蔬菜加工方法技术领域。其目的是提供一种可长期保持南瓜中的部分微生物,排除组织中部分气体和部分水分;同时经冷冻后的低温抑制了细菌、霉菌等微生物的代谢活动,使其处于休眠状态,延长保存期,从而延缓了南瓜的营养消耗使其风味、品质不变的胡萝卜速冻加工的方法。其技术要点是:去外皮、瓜蒂、瓜瓤和瓜籽后清洗,切分呈片或丁状;浸烫:将切分的南瓜放入浸烫机内,水温度保持在95摄氏度以上浸烫,并保持上料均匀。速冷:-30摄氏度以下速冻。本发明的制备方法简单,利于对南瓜的保鲜。
Description
技术领域:
本发明涉及一种蔬菜加工方法,特别是一种南瓜速冻的加工方法。
技术背景:
南瓜属于葫芦科一年生蔓生草本植物的一种,其野生祖先原产于墨西哥、危地马拉一带,很早就传入我国,广泛栽种、食用,因而有“中国南瓜”之说。
南瓜的果肉和种子均可食用,花也可以食用。在我国,南瓜既当菜又代粮,在农村很有人缘。近年来,人们发现南瓜不但可以充饥,而且还有一定的食疗价值,南瓜中对人体的有益成分有:多糖、氨基酸、活性蛋白、类胡罗卜素及多种微量元素等,于是土味十足的南瓜得以登大雅之堂。但南瓜肉质外皮保水能力差,易失水而影响其新鲜。由于南瓜原料来源广、成本低、净菜率高,速冻冷藏是保持营养的最佳方法之一。
发明内容:
本发明的目的是提供一种可长期保持南瓜原有的生物活性成分,使其风味、品质不变的南瓜加工方法。
本发明的目的是这样实现的:一种南瓜速冻的加工方法,其特征在于操作步骤:
1)去外皮、瓜蒂、瓜瓤和瓜籽后清洗,切分呈片或丁状;
2)浸烫:将切分的南瓜放入浸烫机内,在95摄氏度以上的水温度条件下浸烫,并保持上料均匀;
3)速冷:-30摄氏度以下速冻10-30分钟后装箱冷藏。
本发明的有益效果是:
由于经过烫漂,杀死了南瓜中的部分微生物,排除组织中部分气体和部分水分;同时经冷冻后的低温抑制了细菌、霉菌等微生物的代谢活动,使其处于休眠状态,延长保存期,从而延缓了南瓜的营养消耗;另外,本发明的制备方法简单,利于对南瓜的保鲜。
具体实施方式:
步骤1:原料验收:原料形状完好,无污染、无腐烂现象,内肉色泽金黄;原料包装、运输、储存过程中要求无污染、无损伤、无腐烂变质,进厂原料应尽快加工;包装原料的物料器具应保持清洁卫生,定时刷洗消毒。原料应轻取轻放,不得野蛮操作。
步骤2:辅料验收:白糖等辅料必须选用生产许可证、获证企业生产的产品,要有随货同行的同批次产品的出厂检验报告或质检部门监督抽检验报告复印件、生产许可证复印件,出厂合格证、执行标准
步骤3:原料处理:削去外皮,去除瓜蒂和瓜瓤、瓜籽后洗净,并检查有无杂质混入,将南瓜切成厚薄均匀的南瓜片,防止异物混入,并控制切片质量,有虫蛀(大于4粒)但仍有商品价值的不论大小一律进入等外品。
步骤4:切块:根据提高利用率的原则合理切块。
步骤5:成型:①压模:根据原料形状,保证花形和不歪斜(每天须调整模子,防止变形);②雕花:根据样品花形用刀具雕花;③切厚度:M18---20mm,切面要平,不能留有瓜瓤;④马蹄片(片厚:7.5-8.5mm,长度:8-10CM 肉厚:1.7-2.7CM)。⑤切滚刀块25±10克⑥切丁机切10mmX10mmX10mm丁。
步骤6:清洗:洗清瓜皮、瓜籽等附着物。
步骤7:浸烫:浸烫机水温度保持在95摄氏度以上,浸烫时间或带速调整为①雕花:60Hz,保持上料均匀;②马蹄片:95℃以上,30″;③滚刀块:0.09mpa,13′;④10mmX10mmX10mm丁:95℃以上,20″。
步骤8:冷却:在流水中充分冷却。
步骤9:速冷:上料均匀,-30摄氏度以下速冻10-30分钟,速冻出的产品冻结良好。
步骤10:装袋、称重、封口:塑料袋加盖当天生产日期或赏味期限,边装袋边挑选,封口要严密。
步骤11:金检:通过金检仪,金检仪灵敏度为Feφ1.5mm,SUS2.5mm。
步骤12:装箱、冷藏:装好箱的产品立即送到冷藏库-18摄氏度以下保存,防止回温化冻。
Claims (2)
1、一种南瓜速冻加工方法。其特征在于其操作步骤:
1)去外皮、瓜蒂、瓜瓤和瓜籽后清洗,切分呈片、块或丁状;
2)浸烫:将切分的南瓜放入浸烫机内,在95摄氏度以上的水温度条件下浸烫,并保持上料均匀;
3)速冷:-30摄氏度以下速冻10-30分钟后装箱冷藏。
2、根据权利要求1所述的一种南瓜速冻加工方法,其特征在于:所述的浸烫时间或带速调整为①雕花:60Hz,保持上料均匀;②马蹄片:95℃以上,30″;③滚刀块:0.09mpa,13′;④10mm×10mm×10mm丁:95℃以上,20″。
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104336155A (zh) * | 2014-11-17 | 2015-02-11 | 苏州大福外贸食品有限公司 | 半成品根菜的快速加工方法 |
CN104543836A (zh) * | 2015-01-08 | 2015-04-29 | 安徽华园食品有限公司 | 一种冷冻清蒸南瓜的制作工艺 |
CN105725125A (zh) * | 2016-02-22 | 2016-07-06 | 贺州学院 | 一种奶香味酥脆马蹄片的制备方法 |
CN105942322A (zh) * | 2016-05-06 | 2016-09-21 | 新疆源森农业开发有限公司 | 打瓜皮瓤籽分离机及其使用方法 |
CN108294102A (zh) * | 2018-01-03 | 2018-07-20 | 安徽省金华萃食品有限公司 | 速冻南瓜生产工艺 |
-
2009
- 2009-03-16 CN CN200910116351A patent/CN101524094A/zh active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104336155A (zh) * | 2014-11-17 | 2015-02-11 | 苏州大福外贸食品有限公司 | 半成品根菜的快速加工方法 |
CN104543836A (zh) * | 2015-01-08 | 2015-04-29 | 安徽华园食品有限公司 | 一种冷冻清蒸南瓜的制作工艺 |
CN105725125A (zh) * | 2016-02-22 | 2016-07-06 | 贺州学院 | 一种奶香味酥脆马蹄片的制备方法 |
CN105942322A (zh) * | 2016-05-06 | 2016-09-21 | 新疆源森农业开发有限公司 | 打瓜皮瓤籽分离机及其使用方法 |
CN108294102A (zh) * | 2018-01-03 | 2018-07-20 | 安徽省金华萃食品有限公司 | 速冻南瓜生产工艺 |
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