CN106720256B - 一种葡萄贮藏保鲜方法 - Google Patents

一种葡萄贮藏保鲜方法 Download PDF

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CN106720256B
CN106720256B CN201611096709.1A CN201611096709A CN106720256B CN 106720256 B CN106720256 B CN 106720256B CN 201611096709 A CN201611096709 A CN 201611096709A CN 106720256 B CN106720256 B CN 106720256B
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章豪
陈若霞
吴银良
朱勇
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Ningbo Academy of Agricultural Sciences
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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
    • 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
    • A23B7/04Freezing; Subsequent thawing; Cooling
    • 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
    • A23B7/144Preserving 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
    • A23B7/148Preserving 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

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  • Life Sciences & Earth Sciences (AREA)
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  • Engineering & Computer Science (AREA)
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Abstract

本发明提供了一种葡萄贮藏保鲜方法,该方法包括以下步骤:(1)葡萄采摘后,使用250~400mg/L的抑霉唑硫酸盐浸泡处理0.8~1.2min;(2)将果实晾干,装袋后平放在水果框中;(3)将装有果实的水果筐置于冷库中贮藏,控制温度为‑1.0~1.0℃,湿度为85~90%。本发明葡萄贮藏保鲜方法简单,使用抑霉唑硫酸盐处理葡萄,能够维持葡萄中可溶性固形物含量的稳定,且能抑制葡萄表面霉菌的繁殖,从而使葡萄发病腐烂率明显减少,解决了葡萄贮藏过程中失水、衰老、腐烂的问题;冷库内保证合适的温度、湿度,提高了葡萄的储存时间且不会破坏色泽和质感。

Description

一种葡萄贮藏保鲜方法
技术领域
本发明涉及水果的保鲜技术,具体涉及一种葡萄贮藏保鲜方法。
背景技术
作为世界产量最多、栽培面积最大的水果,葡萄酸甜可口、营养丰富,深受人们的喜爱。葡萄皮薄汁多,含有较高的糖分和水分,在采后很容易发生失水、落粒、褐变、腐烂等问题。每年由于葡萄采后腐烂原因造成的损失占总产量的27%左右,这给葡萄的发展带来极大困难。由于葡萄易腐性及其生产的季节性和地域性,其防腐保鲜显得非常重要。
在现有的方法中,SO2熏蒸处理是较为有效的保鲜措施。SO2对葡萄贮藏中的害等有很好的抑制作用,还可以有效降低葡萄的呼吸强度,同时,可以阻止和减缓葡萄贮藏期间的酶促褐变。适量的SO2还能抑制氧化酶活性,增强耐贮性。但SO2使用剂量不好控制,过高浓度的SO2会以活性氧自由基和亚硫酸根阴离子的形式伤害果实,损害葡萄抗氧化的酶促防御系统,引起葡萄的漂白伤害。葡萄果实采后高效贮藏保鲜方法的研发对葡萄产业的发展具有重要的现实意义。
发明内容
本发明所要解决的技术问题在于提供一种高效贮藏保鲜剂处理的葡萄贮藏保鲜方法。
本发明提供了一种葡萄贮藏保鲜方法,该方法包括以下步骤:
(1)葡萄采摘后,使用250~400mg/L的抑霉唑硫酸盐浸泡处理0.8~1.2min;
(2)将果实晾干,装袋后平放在水果框中;
(3)将装有果实的水果筐置于冷库中贮藏,控制温度为-1.0~1.0℃,湿度为85~90%。
进一步的,步骤(1)中,挑选无机械伤、无腐烂、无霉变、成熟度一致的葡萄进行浸泡处理。
进一步的,步骤(2)中,浸泡处理后,放置在通风处,晾干果实表面水分。
进一步的,步骤(2)中,果实晾干后装袋,敞口将果实预冷至0℃,然后扎紧袋口,平放在塑料水果筐中,每个筐中放置一层。
进一步的,步骤(3)中,前期保持冷库内温度为-1.0~0℃;第4天开始调整温度为0~1℃;第6天开始保持温度为-1.0~0℃。
本发明的有益效果为:本发明葡萄贮藏保鲜方法简单,使用抑霉唑硫酸盐处理葡萄,能够维持葡萄中可溶性固形物含量的稳定,且能抑制葡萄表面霉菌的繁殖,从而使葡萄发病腐烂率明显减少,解决了葡萄贮藏过程中失水、衰老、腐烂的问题;冷库内保证合适的温度、湿度,提高了葡萄的储存时间且不会破坏色泽和质感。
具体实施方式
下面结合实施例对本发明的实施方案进行详细描述,但是本领域技术人员将会理解,下列实施例仅用于说明本发明,而不应视为限制本发明的范围。
实施例1
一种葡萄贮藏保鲜方法,该方法包括以下步骤:
(1)葡萄采摘后,挑选无机械伤、无腐烂、无霉变、成熟度一致的葡萄,使用250mg/L的抑霉唑硫酸盐浸泡处理0.8min;
(2)浸泡处理后,放置在通风处,晾干果实表面水分;将果实晾干后,装入塑料袋中,敞口将果实预冷至0℃,然后扎紧袋口,平放在塑料水果筐中,每个筐中放置一层;
(3)将装有果实的水果筐置于冷库中贮藏,前期保持冷库内温度为-1.0~0℃;第4天开始,葡萄发生轻微结冰后,调整温度为0~1℃;第6天开始,待冰溶解后,保持温度为-1.0~0℃。由于葡萄采摘后都是采用塑料袋包装,因此需控制保鲜袋内不结露,湿度控制在85%。
使用上述方法,使得葡萄能够贮藏2-3个月,始终维持原口感、品质不变。
实施例2
一种葡萄贮藏保鲜方法,该方法包括以下步骤:
(1)葡萄采摘后,挑选无机械伤、无腐烂、无霉变、成熟度一致的葡萄,使用300mg/L的抑霉唑硫酸盐浸泡处理1.0min;
(2)浸泡处理后,放置在通风处,晾干果实表面水分;将果实晾干后,装入塑料袋中,敞口将果实预冷至0℃,然后扎紧袋口,平放在塑料水果筐中,每个筐中放置一层;
(3)将装有果实的水果筐置于冷库中贮藏,前期保持冷库内温度为-1.0~0℃;第4天开始,葡萄发生轻微结冰后,调整温度为0~1℃;第6天开始,待冰溶解后,保持温度为-1.0~0℃。由于葡萄采摘后都是采用塑料袋包装,因此需控制保鲜袋内不结露,湿度控制在88%。
使用上述方法,使得葡萄能够贮藏2-3个月,始终维持原口感、品质不变。
实施例3
一种葡萄贮藏保鲜方法,该方法包括以下步骤:
(1)葡萄采摘后,挑选无机械伤、无腐烂、无霉变、成熟度一致的葡萄,使用400mg/L的抑霉唑硫酸盐浸泡处理1.2min;
(2)浸泡处理后,放置在通风处,晾干果实表面水分;将果实晾干后,装入塑料袋中,敞口将果实预冷至0℃,然后扎紧袋口,平放在塑料水果筐中,每个筐中放置一层;
(3)将装有果实的水果筐置于冷库中贮藏,前期保持冷库内温度为-1.0~0℃;第4天开始,葡萄发生轻微结冰后,调整温度为0~1℃;第6天开始,待冰溶解后,保持温度为-1.0~0℃。由于葡萄采摘后都是采用塑料袋包装,因此需控制保鲜袋内不结露,湿度控制在90%。
使用上述方法,使得葡萄能够贮藏2-3个月,始终维持原口感、品质不变。
对比例
一种葡萄贮藏保鲜方法,该方法包括以下步骤:
(1)葡萄采摘后,挑选无机械伤、无腐烂、无霉变、成熟度一致的葡萄,装入塑料袋中,敞口将果实预冷至0℃,然后扎紧袋口,平放在塑料水果筐中,每个筐中放置一层;
(2)将装有果实的水果筐置于冷库中贮藏,前期保持冷库内温度为-1.0~0℃;第4天开始,葡萄发生轻微结冰后,调整温度为0~1℃;第6天开始,待冰溶解后,保持温度为-1.0~0℃。由于葡萄采摘后都是采用塑料袋包装,因此需控制保鲜袋内不结露,湿度控制在90%。
使用上述方法,葡萄在贮藏2个月后,超过20%的葡萄有发生腐烂变质现象。
实验例
对本发明实施例和对比例方法贮藏65天的葡萄,取样进行指标测定。采用AtagoPAL-1便携式数显折射计测定葡萄中可溶性固形物的含量;采用《GB 4789.15-2010食品安全国家标准食品微生物掌检验霉菌和酵母计数》测定葡萄中霉菌总数;采用WatersAcquity UPLC XevoTM TQ MS液相色谱-串联质谱仪测定葡萄中抑霉唑的含量。检测结果见表1。
表1本发明实施例和对比例方法贮藏后葡萄的各指标检测结果
从表1的检测结果中,可知:本发明中葡萄经抑霉唑硫酸盐处理后,可溶性固形物的含量显著高于对比例中,说明250-400mg/L的抑霉唑硫酸盐能抑制葡萄的生理代谢水平,缓慢减少葡萄中糖的损失,从而维持葡萄中可溶性固形物含量的稳定。本发明中葡萄经抑霉唑硫酸盐处理后,霉菌总数显著低于对比例,说明250-400mg/L的抑霉唑硫酸盐能抑制葡萄表面霉菌的繁殖,从而使葡萄发病腐烂率明显减少。
GB2763-2014并没有对葡萄中抑霉唑的最大残留限量进行规定,根据发表在中国食品报“《中国居民膳食指南》第三次修订”文章对膳食水果消费量的要求(200-400g),以及抑霉唑的ADI值(0.03mg/kg bw)和ARfD值(0.05mg/kg bw),对贮藏后抑霉唑进行膳食风险评估,急性和慢性膳食风险(30-44岁的成年人)详见表2。
表2抑霉唑的急性和慢性膳食风险商
从表2的结果中,可知:急性和慢膳食风险商中,抑霉唑硫酸盐的处理浓度均小于100%,属于低风险范围。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明实质内容上所作的任何修改、等同替换和简单改进等,均应包含在本发明的保护范围之内。

Claims (5)

1.一种葡萄贮藏保鲜方法,其特征在于,该方法包括以下步骤:
(1)葡萄采摘后,使用250~400mg/L的抑霉唑硫酸盐浸泡处理0.8~1.2min;
(2)将果实晾干,装袋后平放在水果框中;
(3)将装有果实的水果筐置于冷库中贮藏,控制温度为-1.0~1.0℃,湿度为85~90%。
2.根据权利要求1所述的葡萄贮藏保鲜方法,其特征在于,步骤(1)中,挑选无机械伤、无腐烂、无霉变、成熟度一致的葡萄进行浸泡处理。
3.根据权利要求1所述的葡萄贮藏保鲜方法,其特征在于,步骤(2)中,浸泡处理后,放置在通风处,晾干果实表面水分。
4.根据权利要求1所述的葡萄贮藏保鲜方法,其特征在于,步骤(2)中,果实晾干后装袋,敞口将果实预冷至0℃,然后扎紧袋口,平放在塑料水果筐中,每个筐中放置一层。
5.根据权利要求1所述的葡萄贮藏保鲜方法,其特征在于,步骤(3)中,前期保持冷库内温度为-1.0~0℃;第4天开始调整温度为0~1℃;第6天开始保持温度为-1.0~0℃。
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CN101683093A (zh) * 2008-09-25 2010-03-31 北京亿事达都尼制冷设备有限公司 新疆木那格葡萄的保鲜方法

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CN101683093A (zh) * 2008-09-25 2010-03-31 北京亿事达都尼制冷设备有限公司 新疆木那格葡萄的保鲜方法

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