CN107811029A - 一种鲜切香蕉的保鲜方法 - Google Patents

一种鲜切香蕉的保鲜方法 Download PDF

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CN107811029A
CN107811029A CN201710977082.9A CN201710977082A CN107811029A CN 107811029 A CN107811029 A CN 107811029A CN 201710977082 A CN201710977082 A CN 201710977082A CN 107811029 A CN107811029 A CN 107811029A
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banana
fresh
cut
leaching liquor
preservation method
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吴孟学
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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
    • 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
    • A23B7/005Preserving by heating
    • A23B7/0053Preserving by heating by direct or indirect contact with heating gases or liquids
    • 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
    • A23B7/015Preserving by irradiation or electric treatment without heating effect
    • 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
    • A23B7/16Coating with a protective layer; Compositions or apparatus therefor
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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

Abstract

本发明公开了一种鲜切香蕉的保鲜方法,本发明通过UV照射、热处理、保鲜液浸泡相结合的方式处理鲜切香蕉,可有效减缓香蕉呼吸作用,进而减少糖、酸等底物的消耗,保持了香蕉的感官品质,延长了保藏时间,且本发明方法安全,经本发明方法处理后的香蕉可直接食用。

Description

一种鲜切香蕉的保鲜方法
技术领域
本发明属于水果保鲜技术领域,具体涉及一种鲜切香蕉的保鲜方法。
背景技术
鲜切水果又称半处理水果或轻度加工水果,是对新鲜水果进行分级、整理、清洗、切分、去核、修整、保鲜、包装等处理,使水果成为快捷食品。随着社会的发展,鲜切香蕉日益受到人们的青睐。但由于香蕉经过切割后极易发生褐变,产生营养流失等不良现象,造成大量的损失和浪费。可食性涂膜可以抑制鲜切香蕉与环境之间的气体交换,从而减少鲜切香蕉内部水分流失,阻止其褐变,防止微生物的侵染。
发明内容
针对上述,本发明的目的是提供一种鲜切香蕉的保鲜方法,经该方法处理的鲜切香蕉,感官品质优,可直接食用。
本发明采取的技术方案是:
一种鲜切香蕉的保鲜方法,包括以下步骤:
(1)原料处理:将香蕉清洗干净,去皮、切分、装盘;
(2)UV照射:将鲜切香蕉在254nmUV、无氧环境下照射20-30min;
(3)配制植物浸提液:将灵芝用剪刀剪碎,称取1-3g,加入100倍蒸馏水,25-30℃浸泡48h,4层纱布过滤后得浸提液原液,再用旋转蒸发仪减压蒸发得浓缩液,定容至100ml,然后加入1-2g壳聚糖得到浸提液;
(4)植物浸提液浸泡:将上述制得的植物浸提液加热到40-50℃,然后将经过UV照射处理的鲜切香蕉浸泡在40-50℃的植物浸提液5-15min;
(5)密封贮藏。
优选地,步骤(1)中所述的切分是将香蕉切成长度为15-25mm的小段。
优选地,步骤(2)中UV照射光照强度为4-6mW/cm2
优选地,步骤(5)所述的密封贮藏,贮藏温度为8-20℃。
本发明的优点是:本发明通过UV照射、热处理、保鲜液浸泡相结合的方式处理鲜切香蕉,可有效减缓香蕉呼吸作用,进而减少糖、酸等底物的消耗,保持了香蕉的感官品质,延长了保藏时间,且本发明方法安全,经本发明方法处理后的香蕉可直接食用。
具体实施方式
下面对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
实施例1
一种鲜切香蕉的保鲜方法,包括以下步骤:
(1)原料处理:将香蕉清洗干净,去皮、切分、装盘;
(2)UV照射:将鲜切香蕉在254nmUV、无氧环境下照射20min;
(3)配制植物浸提液:将灵芝用剪刀剪碎,称取1g,加入100倍蒸馏水,25℃浸泡48h,4层纱布过滤后得浸提液原液,再用旋转蒸发仪减压蒸发得浓缩液,定容至100ml,然后加入1g壳聚糖得到浸提液;
(4)植物浸提液浸泡:将上述制得的植物浸提液加热到40℃,然后将经过UV照射处理的鲜切香蕉浸泡在40℃的植物浸提液5-15min;
(5)密封贮藏。
步骤(1)中所述的切分是将香蕉切成长度为15mm的小段。
步骤(2)中UV照射光照强度为4mW/cm2
步骤(5)所述的密封贮藏,贮藏温度为8℃。
实施例2
一种鲜切香蕉的保鲜方法,包括以下步骤:
(1)原料处理:将香蕉清洗干净,去皮、切分、装盘;
(2)UV照射:将鲜切香蕉在254nmUV、无氧环境下照射25min;
(3)配制植物浸提液:将灵芝用剪刀剪碎,称取2g,加入100倍蒸馏水,28℃浸泡48h,4层纱布过滤后得浸提液原液,再用旋转蒸发仪减压蒸发得浓缩液,定容至100ml,然后加入1.5g壳聚糖得到浸提液;
(4)植物浸提液浸泡:将上述制得的植物浸提液加热到45℃,然后将经过UV照射处理的鲜切香蕉浸泡在45℃的植物浸提液10min;
(5)密封贮藏。
步骤(1)中所述的切分是将香蕉切成长度为20mm的小段。
步骤(2)中UV照射光照强度为5mW/cm2
步骤(5)所述的密封贮藏,贮藏温度为14℃。
实施例3
一种鲜切香蕉的保鲜方法,包括以下步骤:
(1)原料处理:将香蕉清洗干净,去皮、切分、装盘;
(2)UV照射:将鲜切香蕉在254nmUV、无氧环境下照射30min;
(3)配制植物浸提液:将灵芝用剪刀剪碎,称取3g,加入100倍蒸馏水,30℃浸泡48h,4层纱布过滤后得浸提液原液,再用旋转蒸发仪减压蒸发得浓缩液,定容至100ml,然后加入2g壳聚糖得到浸提液;
(4)植物浸提液浸泡:将上述制得的植物浸提液加热到50℃,然后将经过UV照射处理的鲜切香蕉浸泡在50℃的植物浸提液15min;
(5)密封贮藏。
步骤(1)中所述的切分是将香蕉切成长度为25mm的小段。
步骤(2)中UV照射光照强度为6mW/cm2
步骤(5)所述的密封贮藏,贮藏温度为20℃。

Claims (4)

1.一种鲜切香蕉的保鲜方法,其特征在于包括以下步骤:
(1)原料处理:将香蕉清洗干净,去皮、切分、装盘;
(2)UV照射:将鲜切香蕉在254nmUV、无氧环境下照射20-30min;
(3)配制植物浸提液:将灵芝用剪刀剪碎,称取1-3g,加入100倍蒸馏水,25-30℃浸泡48h,4层纱布过滤后得浸提液原液,再用旋转蒸发仪减压蒸发得浓缩液,定容至100ml,然后加入1-2g壳聚糖得到浸提液;
(4)植物浸提液浸泡:将上述制得的植物浸提液加热到40-50℃,然后将经过UV照射处理的鲜切香蕉浸泡在40-50℃的植物浸提液5-15min;
(5)密封贮藏。
2.根据权利要求1所述的鲜切香蕉的保鲜方法,其特征在于步骤(1)中所述的切分是将香蕉切成长度为15-25mm的小段。
3.根据权利要求1所述的鲜切香蕉的保鲜方法,其特征在于步骤(2)中UV照射光照强度为4-6mW/cm2
4.根据权利要求1所述的鲜切香蕉的保鲜方法,其特征在于步骤(5)所述的密封贮藏,贮藏温度为8-20℃。
CN201710977082.9A 2017-10-19 2017-10-19 一种鲜切香蕉的保鲜方法 Withdrawn CN107811029A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110915893A (zh) * 2019-12-16 2020-03-27 阳江职业技术学院 一种用于香蕉的保鲜方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110915893A (zh) * 2019-12-16 2020-03-27 阳江职业技术学院 一种用于香蕉的保鲜方法

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Application publication date: 20180320