CN107343531A - 青花菜乙醇溶液处理保鲜法 - Google Patents

青花菜乙醇溶液处理保鲜法 Download PDF

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CN107343531A
CN107343531A CN201710542682.2A CN201710542682A CN107343531A CN 107343531 A CN107343531 A CN 107343531A CN 201710542682 A CN201710542682 A CN 201710542682A CN 107343531 A CN107343531 A CN 107343531A
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fresh
ethanol solution
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李进才
郭慧敏
赵蕊
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Tianjin University
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/14Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/154Organic compounds; Microorganisms; Enzymes

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Storage Of Fruits Or Vegetables (AREA)

Abstract

本发明公开了一种青花菜乙醇溶液处理保鲜法,包括如下步骤:(1)配制体积比24%~26%的乙醇溶液;(2)将新鲜青花菜或者鲜切青花菜在乙醇溶液中浸泡处理8~10分钟,期间每隔2分钟搅动1次青花菜;(3)甩除青花菜表面附着的乙醇溶液并通风晾干,若直接用于冰藏流通无需晾干;(4)装入食品保鲜盒或者有孔保鲜袋于室温条件贮藏或者冷藏,也可以直接冰藏流通或者卖场销售。本发明的青花菜乙醇溶液处理保鲜法,简便易行,效果显著,用于采后青花菜贮藏、流通和销售保鲜可以减少损失。

Description

青花菜乙醇溶液处理保鲜法
技术领域
本发明涉及一种采后青花菜花球保鲜技术,适用于采后青花菜贮藏、流通和销售保鲜。
背景技术
青花菜花球颜色翠绿,质地柔嫩,味道鲜美,营养丰富,但采后花球叶绿素降解快,容易黄化和发霉,从而失去商品和食品价值。青花菜保鲜技术有低温、气调、热激和冰藏等方式,但这些保鲜技术需要一定设备,还费工和耗能;还有采用天然或者化学复合物处理青花菜的保鲜技术,但这些保鲜技术的要求和成本较高,实际应用的可行性较低;低浓度乙醇用于食品安全无毒,乙醇熏蒸处理青花菜也具有保鲜作用,但熏蒸处理时间一般需5小时以上,并要有能够密闭的设备,也难以应用于实际生产。本发明采用乙醇溶液处理采后青花菜,无需特殊设备,操作简便易行,保鲜效果显著,且成本低廉和安全环保。
发明内容
本发明的目的是提高采后青花菜保鲜处理效率和保鲜效果,提供一种简便易行的乙醇溶液处理保鲜法,青花菜乙醇溶液处理保鲜法可以独立应用,也可以结合低温、气调和冰藏等保鲜技术应用。
本发明的技术方案如下:
青花菜乙醇溶液处理保鲜法,包括如下步骤:
(1)量取分析纯乙醇与饮用水配制成体积比24%~26%的乙醇溶液;
(2)将新鲜青花菜或者鲜切青花菜在乙醇溶液中浸泡处理8~10分钟,期间每隔2分钟搅动1次青花菜,青花菜重量(kg)与乙醇溶液体积(L)之比为1:5~10;
(3)浸泡处理结束后,随即甩除青花菜表面附着的乙醇溶液,再通风晾干,若直接用于冰藏流通无需晾干;
(4)装入食品保鲜盒或者有孔保鲜袋,于室温条件贮藏或者冷藏,也可以直接冰藏流通或者卖场销售。
本发明的优点
本发明的乙醇溶液处理保鲜法,用于采后青花菜贮藏、流通和销售保鲜,可以显著提高青花菜保鲜处理效率和保鲜效果,减少采后青花菜在贮藏、流通和销售过程中的损失,保鲜效果如图1和图2所示。
附图说明
图1对照蒸馏水处理与本发明乙醇溶液处理鲜切青花菜的保鲜效果对比
图2对照蒸馏水处理与本发明乙醇溶液处理鲜切青花菜的叶绿素含量对比
具体实施方式
下面结合具体实施例对本发明作进一步说明。
实施例1
鲜切青花菜乙醇溶液处理保鲜法,包括如下步骤:
(1)量取分析纯乙醇与蒸馏水配制成体积比25%的乙醇溶液;
(2)将新鲜青花菜切分成小花球,即为鲜切青花菜,小花球直径3~4cm、花梗长2~3cm;
(3)鲜切青花菜在乙醇溶液中浸泡10分钟,期间每隔2分钟搅动1次鲜切青花菜,鲜切青花菜重量(kg)与乙醇溶液体积(L)之比约为1:6;
(4)浸泡处理结束后,随即甩除鲜切青花菜表面附着的乙醇溶液,再通风晾干;
(5)装入透明聚苯乙烯食品保鲜盒或者有孔保鲜袋,于室温或低温贮藏,或者直接于卖场货架销售。
室温保鲜效果如图1和图2所示。
实施例2
流通前青花菜乙醇溶液处理保鲜法,包括如下步骤:
(1)量取分析纯乙醇与饮用水配制成体积比25%的乙醇溶液;
(2)将田间采收的新鲜青花菜尽快在冰水混合态的乙醇溶液中浸泡8分钟,期间每隔2分钟搅动1次青花菜,青花菜重量(kg)与乙醇溶液体积(L)之比约为1:10;
(3)浸泡处理结束后,随即甩除青花菜表面附着的乙醇溶液;
(4)将青花菜参碎冰装入聚苯乙烯泡沫箱,进行冰藏流通。
实施例3
销售前青花菜乙醇溶液处理保鲜法,包括如下步骤:
(1)称量分析纯乙醇与自来水配制成体积比25%的乙醇溶液;
(2)将新鲜青花菜在乙醇溶液中浸泡10分钟,期间每隔2分钟搅动1次青花菜,青花菜重量(kg)与乙醇溶液体积(L)之比约为1:8;
(3)浸泡处理结束后,随即甩除青花菜表面附着的乙醇溶液,再通风晾干;
(4)于卖场货架销售。

Claims (1)

1.青花菜乙醇溶液处理保鲜法,包括如下步骤:
(1)量取分析纯乙醇与饮用水配制成体积比24%~26%的乙醇溶液;
(2)将新鲜青花菜或者鲜切青花菜在乙醇溶液中浸泡处理8~10分钟,期间每隔2分钟搅动1次青花菜,青花菜重量(kg)与乙醇溶液体积(L)之比为1:5~10;
(3)浸泡处理结束后,随即甩除青花菜表面附着的乙醇溶液,再通风晾干,若直接用于冰藏流通无需晾干;
(4)装入食品保鲜盒或者有孔保鲜袋,于室温条件贮藏或者冷藏,也可以直接冰藏流通或者卖场销售。
CN201710542682.2A 2017-07-05 2017-07-05 青花菜乙醇溶液处理保鲜法 Pending CN107343531A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108184986A (zh) * 2018-01-31 2018-06-22 普安县红星村裕丰农果蔬种植农民专业合作社 一种西兰花冷藏保鲜方法
CN111631256A (zh) * 2020-06-02 2020-09-08 南昌大学 一种百香果特效保鲜剂及其使用方法
CN115886177A (zh) * 2022-11-28 2023-04-04 兰州大学 一种新鲜素花党参的保鲜贮藏方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0928175A (ja) * 1995-07-18 1997-02-04 Seiwa Kasei Kk ブロッコリーの黄化防止方法
CN104351329A (zh) * 2014-11-13 2015-02-18 山东商业职业技术学院 一种虱子草复合浸提蔬菜保鲜剂及其制备方法

Patent Citations (2)

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JPH0928175A (ja) * 1995-07-18 1997-02-04 Seiwa Kasei Kk ブロッコリーの黄化防止方法
CN104351329A (zh) * 2014-11-13 2015-02-18 山东商业职业技术学院 一种虱子草复合浸提蔬菜保鲜剂及其制备方法

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冯晓汀,等: "乙醇对鲜切西兰花品质及其生理、生化代谢的影响", 《食品科学技术学报》 *
冯晓汀: "鲜切西兰花保鲜及机理研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108184986A (zh) * 2018-01-31 2018-06-22 普安县红星村裕丰农果蔬种植农民专业合作社 一种西兰花冷藏保鲜方法
CN111631256A (zh) * 2020-06-02 2020-09-08 南昌大学 一种百香果特效保鲜剂及其使用方法
CN115886177A (zh) * 2022-11-28 2023-04-04 兰州大学 一种新鲜素花党参的保鲜贮藏方法

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