果蔬罐头加工论文

果蔬罐头加工论文

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时间:2017-11-13

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1、目录1.摘要````````````````````````````````````````````````````````````````````````````````````````12.关键词`````````````````````````````````````````````````````````````````````````````````````13.引言````````````````````````````````````````````````````````````````````````````````````````14.正文4.1果蔬罐头

2、的分类及原料4.1.1分类``````````````````````````````````````````````````````````````````````````````14.1.2果蔬原料的特点```````````````````````````````````````````````````````````````24.1.3果蔬原料的预处理````````````````````````````````````````````````````````````24.1.4原料的热烫与漂洗```````````````````````````````````

3、`````````````````````````34.1.4原料的抽空处理```````````````````````````````````````````````````````````````44.2糖水水果罐头加工工艺及品质控制4.2.1基本工艺流程``````````````````````````````````````````````````````````````````44.2.2糖水的配制`````````````````````````````````````````````````````````````````````44.2.3水果罐头的变色

4、及其阻止措施`````````````````````````````````````````````54.3蔬菜罐头加工工艺及品质控制5.结论`````````````````````````````````````````````````````````````````````````````````````````76.参考文献```````````````````````````````````````````````````````````````````````````````````77.致谢``````````````````````````````````

5、```````````````````````````````````````````````````````91果蔬罐头的制作工艺摘要:罐头加工技术是由尼克拉 阿贝尔在18世纪发明的,后来很快传到欧洲各国。罐头 生产在19世纪才传入我国,而且旧中国处于内外倾轧,因此我国罐头工业受到严重摧 残。解放后,我国的罐头工业在总产量与种类等方面有了迅速的发展。果蔬罐头就是果蔬原料经过前处理后,装入密封的容器内,在进行排气、密封、杀 菌,最好支持别具风味,能长期保持的食品。罐头食品具有耐贮藏,易携带,品种多, 食用卫生的特点。果蔬罐头以用料不同而命名不同,一般水果罐头的原料取材于水果

6、和蔬菜,包括黄 桃,苹果,荔枝,草莓,山楂等。产品主要有黄桃罐头、草莓罐头、橘子罐头等。关键词:罐头加工;果蔬;果蔬罐头;制作工艺Key words:Canned processing; Fruit and vegetable ; Canned fruit and vegetable;Production process引言果蔬加工是以新鲜的果品为原料,根据它们的理化性质,采用不同的加工工艺制成 各种制品,这一系列过程.即称之为果蔬加工.食品罐藏就是将食品密封在容器中,经过高温处理,将绝大部分微生物消灭,同时 在防止外界微生物再次侵入的条件下,借以获得在室温的条件下,长期贮

7、藏的一种保藏 的方法。凡是用密封容器包装,并经过高温杀菌的食品均称为罐头食品。在生活中,大多数消费者认为,动物性食品刚刚宰杀的就是新鲜,植物性食品刚刚 采摘的则为新鲜,经过加工储藏的这些食品就失去了其“鲜活”,果蔬罐头可能赶不上 市场上水灵灵的水果, 但评判食品鲜度最权威的凭据是看果蔬中原有营养素的保持程度, 任何蔬菜、水果在采摘后都仍在继续“呼吸”,一些营养素开始不断减少,蔬菜瓜果经 过采摘,长时间运输、存储,再摆放到农贸市场或超市,即便外观保存完好,都不能称 之为新鲜。要说新鲜,只有从树上现摘现吃的水果才是最新

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