CN103584250B - 一种绿茶保鲜方法 - Google Patents

一种绿茶保鲜方法 Download PDF

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CN103584250B
CN103584250B CN201310583072.9A CN201310583072A CN103584250B CN 103584250 B CN103584250 B CN 103584250B CN 201310583072 A CN201310583072 A CN 201310583072A CN 103584250 B CN103584250 B CN 103584250B
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green tea
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tea leaves
carbon dioxide
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CN103584250A (zh
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刘学良
李胜
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刘学良
李胜
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/26Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/3445Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36Freezing; Subsequent thawing; Cooling

Abstract

绿茶保鲜方法,包括以下步骤:(1)利用60Co-γ射线对茶叶进行辐射杀菌处理;(2)将茶叶烘干水汽,使茶叶的含水量控制在3%-5%之间;(3)放入真空箱同时充入氩气、二氧化碳、氮气混合气体,气体保持24小时;(4)通风10个小时,放出氩气、二氧化碳、氮气混合气体2个小时后,再充入纯氧气并放置10个小时,以激活茶叶的鲜度,排出混合气体的异味;(5)在零下30度低温静置24小时;(6)进行分袋包装,包装完成后抽真空,同时放入氮气;(7)本发明可使茶叶在常温下保鲜2年,在低温下保鲜5-8年。

Description

一种绿茶保鲜方法
技术领域
[0001] 本发明涉及一种茶叶的贮存技术,具体为一种绿茶保鲜方法。
背景技术
[0002] 随着人们生活质量的提高、保健意识的增强以及对名优产品需求的增加,名优绿茶的产量、产值在逐年增加。但是,茶叶是一种季节性生产、全年消费的产品,尤其是名优绿茶主要集中在多雨高湿的春季生产,若不进行保鲜处理,名优绿茶很快就会失去应有的品质风味与保健效果。目前,应用于名优绿茶的保鲜方法大多是采用去湿、除氧、抑菌等单因子保鲜措施,效果不够理想,尤其是各保鲜技术的具体技术参数很难控制,缺乏实际的可操作性。
发明内容
[0003] 本发明所解决的技术问题在于提供一种绿茶保鲜方法,以解决上述背景技术中提出的问题。
[0004] 为实现上述目的,本发明提供如下技术方案:
[0005] 一种绿茶保鲜方法,包括以下步骤:
[0006] (I)利用6tlCo- Y射线对茶叶进行辐射杀菌处理;
[0007] (2)将茶叶烘干水汽,使茶叶的含水量控制在3% -5%之间;
[0008] (3)放入真空箱同时充入IS气、二氧化碳、氮气混合气体,气体保持24小时;
[0009] (4)通风10个小时,放出氩气、二氧化碳、氮气混合气体2个小时后,再充入纯氧气并放置10个小时,以激活茶叶的鲜度,排出混合气体的异味;
[0010] (5)在零下30度低温静置24小时;
[0011] (6)进行分袋包装,包装完成后抽真空,同时放入氮气。
[0012] 所述抽真空温度为零下30度。
[0013] 所述分袋包装在O度情况下进行。
[0014] 本发明与以往技术相比,具有以下优点:
[0015] 本发明可使茶叶在常温下保鲜2年,在低温下保鲜5-8年。
具体实施方式
[0016] 下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
[0017] 实施例1
[0018] 一种绿茶保鲜方法,包括以下步骤:
[0019] 一种绿茶保鲜方法,包括以下步骤:
[0020] (I)利用6°Co- Y射线对茶叶进行辐射杀菌处理;
[0021] (2)将茶叶烘干水汽,使茶叶的含水量控制在3% -5%之间;
[0022] (3)放入真空箱同时充入IS气、二氧化碳、氮气混合气体,气体保持24小时;
[0023] (4)通风10个小时,放出氩气、二氧化碳、氮气混合气体2个小时后,再充入纯氧气并放置10个小时,以激活茶叶的鲜度,排出混合气体的异味;
[0024] (5)在零下30度低温静置24小时;
[0025] (6)进行分袋包装,包装完成后抽真空,抽出氧气,同时放入氮气。
[0026] 所述抽真空温度为零下30度。
[0027] 所述分袋包装在O度情况下进行。
[0028] 对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
[0029] 此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。

Claims (3)

1.一种绿茶保鲜方法,其特征是,包括以下步骤: (1)利用射线对茶叶进行辐射杀菌处理; (2)将茶叶烘干水汽,使茶叶的含水量控制在3% -5%之间; (3)放入真空箱同时充入II气、二氧化碳、氮气混合气体,气体保持24小时; (4)通风10个小时,放出氩气、二氧化碳、氮气混合气体2个小时后,再充入纯氧气并放置10个小时; (5)在零下30度低温静置24小时; (6)进行分袋包装,包装完成后抽真空,同时放入氮气。
2.根据权利要求1所述的一种绿茶保鲜方法,其特征是,所述抽真空温度为零下30度。
3.根据权利要求1所述的一种绿茶保鲜方法,其特征是,所述分袋包装在0度情况下进行。
CN201310583072.9A 2013-11-20 2013-11-20 一种绿茶保鲜方法 Active CN103584250B (zh)

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CN104691883A (zh) * 2015-03-11 2015-06-10 刘学良 一种利用茶叶制作容器的方法
CN106721883A (zh) * 2017-02-16 2017-05-31 佛山市恒南医药科技有限公司 一种能保持藤婆茶茶叶品质的保鲜方法
CN109156557A (zh) * 2018-09-28 2019-01-08 江门市新会区十月果柑制品有限公司 一种柑普茶的保鲜方法

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