CN105994594A - 一种枸杞子的气调保鲜包装方法 - Google Patents

一种枸杞子的气调保鲜包装方法 Download PDF

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CN105994594A
CN105994594A CN201610360387.0A CN201610360387A CN105994594A CN 105994594 A CN105994594 A CN 105994594A CN 201610360387 A CN201610360387 A CN 201610360387A CN 105994594 A CN105994594 A CN 105994594A
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fructus lycii
modified atmosphere
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陈永康
王军
余广武
殷万疆
陈永强
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Jinghe Fruit Kang Wolfberry Grape Planting Cooperatives
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/015—Preserving by irradiation or electric treatment without heating effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/02—Packaging agricultural or horticultural products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/02—Open containers
    • B32B2439/06—Bags, sacks, sachets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging

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  • Mechanical Engineering (AREA)
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Abstract

本发明提供的一种枸杞子的气调保鲜包装方法，属于食品保鲜领域，主要由以下步骤完成：a.枸杞子包装，包装袋是由从内向外依次为牛皮纸层、铝箔层及聚乙烯层复合而成的复合膜袋；b.在包装袋内充入混合气体，所述混合气体为N295%‑97%、CO23%‑5%；c.采用60Co‑γ射线辐射处理；提供了安全有效、存储时间长、有效防止枸杞子吸潮结块、氧化变色的一种枸杞子的气调保鲜包装方法。

Description

一种枸杞子的气调保鲜包装方法
技术领域：
本发明的一种枸杞子的气调保鲜包装方法属于食品保鲜领域，尤其涉及一种枸杞子的气调保鲜包装方法。
背景技术：
枸杞子主要成分：①含多糖，由酸性杂多糖与多肽或蛋白质构成的复合多糖，为其活性成分；②生物碱：如甜菜碱（betaine）；③胡萝卜素；④脂肪酸；⑤多种游离氨基酸；⑥微量元素；其中枸杞子富含的枸杞多糖是一种水溶性多糖，由阿拉伯糖、葡萄糖、半乳糖、甘露糖、木糖、鼠李糖这6种单糖成分组成，具有生理活性，能够增强非特异性免疫功能，提高抗病能力，抑制肿瘤生长和细胞突变，是枸杞的主要活性成分，但枸杞子在受热或受潮时其表面返软、发粘、颜色变浑、呈现油状物质并发出油败气味的现象，影响枸杞子功效的同时，甚至可能产生不良反应；
枸杞子“泛油变色”主要原因是枸杞子吸湿、氧化后多糖类成分的外溢、类胡萝卜素等的降低，使枸杞外观发粘泛油样、 “变色”；
现有枸杞子为解决上述问题多采用密封、加干燥剂、冷藏、喷涂或真空包装等较为单一的方式，并未从根本上解决枸杞在运输、存储中的“泛油变色”，如抽真空如果对真空度控制不好，易造成枸杞子挤压导致多糖外溢；如专利申请号为CN201410845142.8，发明名称为一种防治枸杞干果吸潮结块、氧化变色的方法，通过涂抹包衣材料解决枸杞干果易吸潮结块、氧化变色、不便于长期储存的缺陷，这种在枸杞表面进行包衣或喷涂介质，不仅增加了枸杞包装的成本，且包衣或喷涂材料是否有可能造成健康安全隐患也有待考证；
气调保鲜包装国外又称MAP或CAP，国内称气调包装或置换气体包装、充气包装。是采用具有气体阻隔性能的包装材料包装食品，根据客户实际需求将一定比例O2+ CO2+ N2，N2+CO2，O2+ CO2混合气体充入包装内，防止食品在物理、化学、生物等方面发生质量下降或减缓质量下降的速度，从而延长食品货架期，提升食品价值；
气调保鲜包装广泛应用在如肉食品、水果、蔬菜、蛋糕、茶叶和乳制品等领域，如申请号为CN201110339357.9，发明名称为一种枸杞鲜果箱式气调保鲜方法，主要将气调保鲜应用于枸杞鲜果的保鲜，但在干果储存、保质方面应用较少，尤其在干枸杞子的存储、保鲜、保质未见报导；
本发明的目的在于提供存储时间长、不易结块有效防止“泛油变色”的一种枸杞子的存储方法。
发明内容：
本发明的目的在于提供安全有效、存储时间长、有效防止枸杞子吸潮结块、氧化变色的一种枸杞子的气调保鲜包装方法。
一种枸杞子的气调保鲜包装方法，主要由以下步骤完成：
1、枸杞子包装，包装袋是由从内向外依次为牛皮纸层、铝箔层及聚乙烯层复合而成的复合膜袋；
2、在包装袋内充入混合气体，所述混合气体为N295%-97%、CO23%-5%。
3、枸杞子采用60Co-γ射线辐射处理；
所述枸杞子含水量为：12%-22%；
优选枸杞子含水量为：15%-18%；
优选混合气体为：N297%、CO23%。
由于实行以上技术，牛皮纸与铝箔遮光的同时，铝箔彻底阻断外部湿气，聚乙烯层增加膜袋的韧度，使包装密封性更好、更安全；N2的化学性质不活泼，常温下很难跟其他物质发生反应，是良好的填充保护气体，防止枸杞子氧化；CO2能够溶于各类脂肪或水，形成酸性较弱的碳酸，能抑制霉菌，腐败细菌等微生物的活性，从而进一步对枸杞子形成保护，从而从根本上防止枸杞子的“泛油变色”。
具体实施方式
以下对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
具体实施例：
实施例1：
一种枸杞子的气调保鲜包装方法，主要由以下步骤完成：
1、枸杞子包装，包装袋是由从内向外依次为牛皮纸层、铝箔层及聚乙烯层复合而成的复合膜袋；
2、在包装袋内充入混合气体，所述混合气体为N295%、CO25%。
3、枸杞子采用60Co-γ射线辐射处理；
所述枸杞子含水量为：12%-22%
实施例2：
步骤与实施例1相同，所述混合气体为N297%、CO23%;
实施例3：
步骤与实施例1相同，所述含水量为15%-18%，混合气体为N297%、CO23%；
由于实行以上技术，牛皮纸与铝箔遮光的同时，铝箔彻底阻断外部湿气，聚乙烯层增加膜袋的韧度，使包装密封性更好、更安全；N2的化学性质不活泼，常温下很难跟其他物质发生反应，是良好的填充保护气体，防止枸杞子氧化；CO2能够溶于各类脂肪或水，形成酸性较弱的碳酸，能抑制霉菌，腐败细菌等微生物的活性，从而进一步对枸杞子形成保护，从而从根本上防止枸杞子的“泛油变色”。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (4)

1.一种枸杞子的气调保鲜包装方法，其特征在于：主要由以下步骤完成：
a.枸杞子包装:包装袋是由从内向外依次为牛皮纸层、铝箔层及聚乙烯层复合而成的复合膜袋；
b.在包装袋内充入混合气体:所述混合气体为N295%-97%、CO23%-5%；
c.采用60Co-γ射线辐射处理。
2.根据权利要求1所述的一种枸杞子的气调保鲜包装方法，其特征在于: 所述枸杞子含水量为：12%-22%。
3.根据权利要求2所述的一种枸杞子的气调保鲜包装方法，其特征在于：所述枸杞子含水量为：15%-18%。
4.根据权利要求3所述的一种枸杞子的气调保鲜包装方法，其特征在于：所述混合气体为：N297%、CO23%。
CN201610360387.0A 2016-05-28 2016-05-28 一种枸杞子的气调保鲜包装方法 Pending CN105994594A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107996681A (zh) * 2017-12-07 2018-05-08 浙江润物网络科技有限公司 一种火龙果的非冷藏运输保鲜包装方法
CN108497045A (zh) * 2018-03-19 2018-09-07 贵州金农辐照科技有限责任公司 一种蓝莓综合保鲜方法

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CN103891879A (zh) * 2012-12-31 2014-07-02 天津市泰源工业气体有限公司 一种气调包装花生米低温保鲜方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107996681A (zh) * 2017-12-07 2018-05-08 浙江润物网络科技有限公司 一种火龙果的非冷藏运输保鲜包装方法
CN108497045A (zh) * 2018-03-19 2018-09-07 贵州金农辐照科技有限责任公司 一种蓝莓综合保鲜方法

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