CN106332957A - 一种莲藕贮藏方法 - Google Patents
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- 240000002853 Nelumbo nucifera Species 0.000 title claims abstract description 50
- 235000006508 Nelumbo nucifera Nutrition 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title abstract description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 230000001954 sterilising effect Effects 0.000 claims abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 5
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001110 calcium chloride Substances 0.000 claims abstract description 5
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 5
- 239000004246 zinc acetate Substances 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 38
- 230000000844 anti-bacterial effect Effects 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000834 fixative Substances 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 abstract 4
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000796 flavoring agent Substances 0.000 abstract 1
- 235000019634 flavors Nutrition 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- 238000009461 vacuum packaging Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
- A23B7/04—Freezing; Subsequent thawing; Cooling
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10
- A23B7/153—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10 in the form of liquids or solids
- A23B7/154—Organic compounds; Microorganisms; Enzymes
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- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
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Abstract
本发明公开了一种莲藕贮藏方法,具体步骤如下:用干净的软布轻轻擦洗莲藕表面的污泥,擦洗干净后将莲藕置于流动的清水中冲洗15min;将冲洗干净的莲藕立即放入预冷机中进行预冷处理;配制浓度为45%的特克多杀菌液,将预冷过的莲藕浸泡在特克多杀菌液中10min;选用乙酸锌、氯化钙、柠檬酸三种护色剂按质量比4:1:1混合配制成复合护色剂,将杀菌后的莲藕置于复合护色剂中浸泡25min;将护色过的莲藕沥水后,立即进行真空包装,包装后送至低温冷库中进行冷藏。本发明公开的莲藕贮藏方法能够将莲藕的贮藏时间提升至2个月,并保证了莲藕的原汁原味。
Description
技术领域
本发明涉及一种莲藕贮藏方法,应用于莲藕保鲜技术领域。
背景技术
莲藕是我国一种广为栽培的水生蔬菜,富含淀粉、蛋白质以及钙、磷、铁等无机盐,具有很高的营养价值;莲藕一直是我国传统的出口商品,在国际上享有很高的声誉,随着社会进步,市场对原汁原味的保鲜莲藕需求更大,而莲藕是喜温作物,在低温下即会冻坏,不易贮藏,目前市场上还没很好的方法对莲藕进行贮藏,采用盐渍莲藕与莲藕罐头的形式大大影响了莲藕的原汁原味,因此严重影响了莲藕的出口量,对种植户的经济效益产生一定的影响。
发明内容
为解决上述的问题,本发明公开了一种莲藕贮藏方法,具有贮藏时间长的优点,同时保持了莲藕原有的色、香、味。
本发明公开了一种莲藕贮藏方法,具体步骤如下:
步骤一:用干净的软布轻轻擦洗莲藕表面的污泥,特别是藕节周围的淤泥,擦洗干净后将莲藕置于流动的清水中冲洗15min;
步骤二:将冲洗干净的莲藕立即放入预冷机中进行预冷处理,预冷温度设置为5-8℃,预冷24h;
步骤三:配制浓度为45%的特克多杀菌液,将预冷过的莲藕浸泡在特克多杀菌液中10min;
步骤四:选用乙酸锌、氯化钙、柠檬酸三种护色剂按质量比4:1:1混合配制成复合护色剂,将杀菌后的莲藕置于复合护色剂中浸泡25min;
步骤五:将护色过的莲藕沥水后,立即进行真空包装,包装后送至低温冷库中进行冷藏,冷藏温度为5-10℃。
采用本技术方案,本发明的有益效果是:经过预冷、杀菌、护色后的莲藕,其呼吸强度降低、新陈代谢减少且莲藕携带的病菌量减少,能够将莲藕的贮藏时间提高至2个月,并保证了莲藕的原汁原味。
具体实施方式
本发明公开了一种莲藕贮藏方法,具体步骤如下:
步骤一:用干净的软布轻轻擦洗莲藕表面的污泥,特别是藕节周围的淤泥,擦洗干净后将莲藕置于流动的清水中冲洗15min;
步骤二:将冲洗干净的莲藕立即放入预冷机中进行预冷处理,预冷温度设置为5-8℃,预冷24h;
步骤三:配制浓度为45%的特克多杀菌液,将预冷过的莲藕浸泡在特克多杀菌液中10min;
步骤四:选用乙酸锌、氯化钙、柠檬酸三种护色剂按质量比4:1:1混合配制成复合护色剂,将杀菌后的莲藕置于复合护色剂中浸泡25min;
步骤五:将护色过的莲藕沥水后,立即进行真空包装,包装后送至低温冷库中进行冷藏即可,冷藏温度为5-10℃。
最后应说明的是:以上实施例仅用以说明本发明而并非限制本发明所描述的技术方案;因此,尽管本说明书参照上述的各个实施例对本发明已进行了详细的说明,但是,本领域的普通技术人员应当理解,仍然可以对本发明进行修改或等同替换;而一切不脱离本发明的精神和范围的技术方案及其改进,其均应涵盖在本发明的权利要求范围中。
Claims (1)
1.一种莲藕贮藏方法,其特征在于,具体步骤如下:
步骤一:用干净的软布轻轻擦洗莲藕表面的污泥,特别是藕节周围的淤泥,擦洗干净后将莲藕置于流动的清水中冲洗15min;
步骤二:将冲洗干净的莲藕立即放入预冷机中进行预冷处理,预冷温度设置为5-8℃,预冷24h;
步骤三:配制浓度为45%的特克多杀菌液,将预冷过的莲藕浸泡在特克多杀菌液中10min;
步骤四:选用乙酸锌、氯化钙、柠檬酸三种护色剂按质量比4:1:1混合配制成复合护色剂,将杀菌后的莲藕置于复合护色剂中浸泡25min;
步骤五:将护色过的莲藕沥水后,立即进行真空包装,包装后送至低温冷库中进行冷藏,冷藏温度为5-10℃。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107927646A (zh) * | 2017-11-29 | 2018-04-20 | 柳州市夜半风食品有限公司 | 一种莲藕罐头的加工方法 |
CN110024847A (zh) * | 2019-05-17 | 2019-07-19 | 华中农业大学 | 一种藕带贮藏保鲜的方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107927646A (zh) * | 2017-11-29 | 2018-04-20 | 柳州市夜半风食品有限公司 | 一种莲藕罐头的加工方法 |
CN110024847A (zh) * | 2019-05-17 | 2019-07-19 | 华中农业大学 | 一种藕带贮藏保鲜的方法 |
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