CN113243419B - 鲜黄花菜微环境气调保鲜方法 - Google Patents

鲜黄花菜微环境气调保鲜方法 Download PDF

Info

Publication number
CN113243419B
CN113243419B CN202110347713.5A CN202110347713A CN113243419B CN 113243419 B CN113243419 B CN 113243419B CN 202110347713 A CN202110347713 A CN 202110347713A CN 113243419 B CN113243419 B CN 113243419B
Authority
CN
China
Prior art keywords
box
day lily
fresh
mcp
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110347713.5A
Other languages
English (en)
Other versions
CN113243419A (zh
Inventor
李江阔
贾晓昱
张鹏
郑艳丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Academy of Agricultural Sciences
Original Assignee
Tianjin Academy of Agricultural Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Academy of Agricultural Sciences filed Critical Tianjin Academy of Agricultural Sciences
Priority to CN202110347713.5A priority Critical patent/CN113243419B/zh
Publication of CN113243419A publication Critical patent/CN113243419A/zh
Application granted granted Critical
Publication of CN113243419B publication Critical patent/CN113243419B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • A23B7/152Preserving 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 comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00Botany in general
    • A01G7/06Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N33/00Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/02Amines; Quaternary ammonium compounds
    • A01N33/04Nitrogen directly attached to aliphatic or cycloaliphatic carbon atoms
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/08Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/12Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
    • A01N43/38Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic rings
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/82Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N45/00Biocides, pest repellants or attractants, or plant growth regulators, containing compounds having three or more carbocyclic rings condensed among themselves, at least one ring not being a six-membered ring
    • 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
    • A23B7/04Freezing; 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
    • A23B7/153Preserving 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
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85Food storage or conservation, e.g. cooling or drying

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Microbiology (AREA)
  • Botany (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Storage Of Fruits Or Vegetables (AREA)

Abstract

本发明涉及一种鲜黄花菜微环境气调保鲜方法,包括以下方法步骤:⑴采前1个月用复合型抗老化抑制剂对鲜黄花菜进行酶活性抑制处理,采前1天喷施1‑MCP溶液;⑵将预处理后的黄花菜经静磁场协同护色剂冷激处理40‑60min,冷激温度控制在3‑4℃,磁场强度70‑80Gs;⑶放置于微环境气调箱内进行气调贮藏处理,定期通入100%的氩气,每间隔5d更换一次箱内气体,箱内压力0.5‑0.6Mpa。本发明设计科学合理、操作简单,利用采前品质调控、低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理、微环境气调箱低温高压氩气气调贮藏及等离子体间歇熏蒸防腐几大关键技术点有效解决鲜黄花菜在采后贮藏过程中的保鲜技术难题,采用此种保鲜方法,可以使黄花菜保鲜期延长至30‑40d。

Description

鲜黄花菜微环境气调保鲜方法
技术领域
本发明属于果蔬采后保鲜领域,涉及果蔬采后气调保鲜技术,尤其是一种鲜黄花菜微环境气调保鲜方法。
背景技术
黄花菜营养价值高、经济效益好,颜色鲜黄、脆嫩爽口、营养丰富。但是,黄花菜采收季节气温高,采后呼吸作用增强,呼吸强度可达到0.54~0.61mg/(h·g),常温耐贮藏性较差,采后易失鲜、质地不均匀、褐变、Vc和总糖含量迅速降低,常温采后2d全部开花,第4天开始腐烂,低温也仅能保鲜4-6d。提供一种适用于鲜黄花菜的采后保鲜方法具有重要的应用价值。
通过对现有公开专利文献的检索,有如下几篇技术相关的公开专利文献:
1、一种黄花菜保鲜杀青剂(CN103211006B),公开了一种黄花菜保鲜杀青剂,涉及农产品加工技术领域,是由下列重量份的原料制备而成:二氧化氯粉剂250-350、食用醋100-200、食盐20-30、无水硫酸镁10-15、乳酸粉10-15;具有保鲜杀青效果好、色泽漂亮、操作简单等特点,既可于黄花菜保鲜杀青,也可用于酱腌菜制作时的保鲜杀青。
该专利技术利用二氧化氯实现防腐效果,但化学物质处理残留量高;保鲜期短。
2、一种黄花菜保鲜方法(CN108124954A),公开了一种黄花菜保鲜方法,在室温密闭条件下通过柠檬醛熏蒸方式处理黄花菜,0.02-0.06%用量即可起到保鲜作用,售卖前或后加工时可通过风吹去除余味,无需水洗而不产生废水,黄花菜的颜色也不发生改变。所用柠檬醛,为化学合成,纯度97%以上。
上述方法虽然具有一定的保鲜和护色效果,但仍存在保鲜剂残留的问题。
发明内容
本发明的目的在于克服现有技术的不足之处,提供一种设计科学合理、操作简单,能有效解决鲜黄花菜在贮藏期间褐变、腐烂问题,有效延长贮藏期的鲜黄花菜微环境气调保鲜方法。
本发明解决其技术问题是采取以下技术方案实现的:
一种鲜黄花菜微环境气调保鲜方法,包括以下方法步骤:
⑴采前品质调控处理
采前1个月用复合型抗老化抑制剂对鲜黄花菜进行酶活性抑制处理,采前1天喷施1-MCP溶液;
⑵低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理
将预处理后的黄花菜经静磁场协同护色剂冷激处理40-60min,冷激温度控制在3-4℃,磁场强度70-80Gs;
⑶微环境气调箱低温高压氩气气调贮藏
低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理后,沥干表面水分,放置于微环境气调箱内进行气调贮藏处理,箱子密封好后,放置于冷库0±0.5℃内贮藏,贮藏过程中,定期通入100%的氩气,每间隔5d更换一次箱内气体,箱内压力0.5-0.6Mpa。
而且,所述的复合型抗老化抑制剂由100mg L-1苯并噻重氮、1.0mmol L-1褪黑素、5mmol L-1γ-氨基丁酸、20mg L-1亚精胺、8mmol L-1抗坏血酸、1.0g L-1氨基酸、1.0g L-1水溶肥、1.0g L-1N6、3.0mmol L-1GA制成。
而且,1-MCP溶液采用市售有效成分为1.3%的粉末+0.2%吐温-20+1.5%壳聚糖+0.8%蒙脱石+2.5%的乳清分离蛋白+余量为去离子水配置而成,使用背负式电动喷雾器处理喷施,喷施量控制在80-90g·hm-2
而且,所述的护色剂包括0.12mmol L-1的麦角硫因、0.5mmol L-1草酸、150μmol·L-1硝普钠。
而且,所述微环境气调箱本体为果蔬贮藏腔体,在该果蔬贮藏腔体上开设有进气口和出气口,进气口通过气体管道连接气体冷却箱,气体冷却箱外接制冷机,气体冷却箱连接氩气罐,在气体冷却箱和氩气罐之间设置有压力表,在果蔬贮藏腔体上设置有等离子发生器。
而且,所述的等离子发生器每间隔5d开启1次,在每次气调之前,箱内通入低温空气,启动等离子体发生器,运行30min,杀菌结束后,再重新充入氩气,密封保鲜。
而且,等离子发生器产生等离子体的负离子浓度≥2×108pcs/cm3,正离子产生浓度≥2×108pcs/cm3
本发明的优点和积极效果是:
1、本发明在采前对黄花菜进行品质调控,复合型抗老化抑制剂可以有效降低PAL酶活性,抑制几丁质酶和纤维素酶的活性,减缓几丁质和纤维素的降解,解决黄花菜采后品质劣变难题;采前1天喷施1次1-MCP溶液,1-MCP通过降低超氧阴离子产生速率、电解质渗透率、H2O2和MDA含量缓解常温货架高温逆境果实生物膜的伤害。
2、本发明利用低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理黄花菜,护色剂能够抑制PPO酶、CAT和POD酶的活性,抑制褐变,提高线粒体膜关键酶H+-ATPase、Ca2+-ATPase和SDH的活性,从而保证线粒体的ATP合成能为,维持细胞和生物膜结构功能完整;
磁场处理提高了果蔬的抗逆性,抑制了酸性物质对果蔬的伤害,减少了叶绿素的降解,有效改善了果蔬表皮色泽。静磁场处理后的水分子受到洛仑兹力的影响,抑制了扩散效率,减少了水分流失,延缓了果实组织软化,有利于延长果蔬采后的货架期。果蔬在磁场作用下,极性电荷离子进入细胞,细胞外液的等效电阻增大,电导率降低,抑制膜透性的增大,抑制酚类底物与PPO酶结合,抗褐变。磁场,低磁通密度静磁场具有提高预冷效率,对微生物细胞活力、细胞增殖、细胞内离子浓度和细胞形态有明显影响,干扰磁场细胞死亡过程,抑菌作用。
3、本发明的黄花菜在微环境气调箱内贮藏,贮藏过程中,定期通入100%的氩气,每间隔5d更换一次箱内气体,箱内压力0.5-0.6Mpa,目的是排除箱内的醇类、醛类、乙烯等有害代谢产物。氩气由氩气罐经减压阀,进入预冷水箱,经往复型冷却管道进行冷却,预冷水箱配套有制冷机,保证气体预冷出口温度降至0-1℃,这样保证了进入箱体的氩气温度为0-1℃,黄花菜的贮藏环境不产生波动,防止温度过高导致的腐烂和温度过低导致的冷害。
氩气在一定温度和压力下溶于水时,与水形成种冰晶状的结构-笼形水合物。在笼形水合物结构中,水在氢键的作用下形成不同尺寸大小的空穴结构,而气体分子包含于空穴中。当惰性气体分子溶于果蔬细胞间水形成笼形水合物时,细胞水分被“结构化”,水分的粘度增加,流动性受到限制,与酶反应相关的底物的扩散速率下降,果蔬生理代谢活动受到抑制,抑制呼吸速率、乙稀的产生和褐变,提高抗氧化能力,高压氩气和氙气能诱导酚类物质的增加,增强细胞防御能力,减少微生物的侵染。
4、本发明在微环境气调箱上安装有等离子体发生器,每间隔5d处理1次,在每次气调之前,箱内通入低温空气,启动等离子体装置,运行30min,杀菌结束后,再重新充入氩气,密封箱保鲜。等离子体负离子产生浓度≥2×108pcs/cm3,正离子产生浓度≥2×108pcs/cm3,配有扩散循环风机,可以将电离的正负离子、活性氧、自由基等活性成分均衡的扩散至气调箱内,能破坏微生物的脂质、蛋白质、DNA等,发挥杀菌效果。
5、本发明设计科学合理、操作简单,利用采前品质调控、低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理、微环境气调箱低温高压氩气气调贮藏及等离子体间歇熏蒸防腐几大关键技术有效解决鲜黄花菜在采后贮藏过程中的保鲜技术难题,采用此种保鲜方法,可以使黄花菜保鲜期延长至30-40d。
附图说明
图1为本发明中微环境气调箱结构示意图;
图2为本发明实验中不同MAP结合1-MCP方式对黄花菜的气体含量影响结果;
图3为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间的总酚含量的影响结果;
图4为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间还原糖含量的影响结果;
图5为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间酸度的影响结果;
图6为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间VC含量的影响结果;
图7为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间的黄酮含量的影响结果;
图8为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间叶绿素a含量影响结果;
图9为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间叶绿素b含量影响结果;
图10为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间类胡萝卜素含量影响结果;
图11为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间呼吸强度的影响结果;
图12为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间的色泽的影响结果;
图13为本发明实验中不同MAP结合1-MCP方式对黄花菜贮藏期间的感官照片对比结果。
具体实施方式
下面通过具体实施例对本发明作进一步详述,以下实施例只是描述性的,不是限定性的,不能以此限定本发明的保护范围。
本发明提供一种鲜黄花菜微环境气调保鲜方法,该方法包含以下几个技术要点及实施方式:
1采前品质调控
采前1个月内每隔1周灌溉1次由100mg L-1苯并噻重氮(ASM)、1.0mmol L-1褪黑素、5mmol L-1γ-氨基丁酸(GABA)、20mg L-1亚精胺、8mmol L-1抗坏血酸、1.0g L-1氨基酸、1.0gL-1水溶肥、1.0g L-1N6、3.0mmol L-1GA(赤霉素)合成抑制剂组成的复合型抗老化抑制剂,降低PAL酶活性,抑制几丁质酶和纤维素酶的活性,减缓几丁质和纤维素的降解,解决黄花菜采后品质劣变难题。
采前1天喷施1次1-MCP溶液的方式(0.2%吐温-20+1.5%壳聚糖+0.8%蒙脱石+2.5%的乳清分离蛋白+余量为去离子水),1-MCP采用市售有效成分为1.3%的粉末状,使用背负式电动喷雾器处理喷施一次,喷施量控制在80-90g·hm-2,1-MCP通过降低超氧阴离子产生速率、电解质渗透率、H2O2和MDA含量缓解常温货架高温逆境果实生物膜的伤害。
2低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理
低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理具体方法包括:将预处理后的黄花菜经静磁场协同护色剂冷激处理40-60min,冷激温度控制3-4℃,磁场强度70-80Gs,抗褐变护色剂组分:0.12mmol L-1的麦角硫因(巯基组氨酸三甲基内盐EGT)、0.5mmol L-1草酸(OA)、150μmol·L-1硝普钠(SNP)。
抗褐变护色剂能够抑制PPO酶、CAT和POD酶的活性,抑制褐变。提高线粒体膜关键酶H+-ATPase、Ca2+-ATPase和SDH的活性,从而保证线粒体的ATP合成能为,维持细胞和生物膜结构功能完整。磁场处理提高了果蔬的抗逆性,抑制了酸性物质对果蔬的伤害,减少了叶绿素的降解,有效改善了果蔬表皮色泽。
磁场处理后的水分子受到洛仑兹力的影响,抑制了扩散效率,减少了水分流失,延缓了果实组织软化,有利于延长果蔬采后的货架期。果蔬在磁场作用下,极性电荷离子进入细胞,细胞外液的等效电阻增大,电导率降低,抑制膜透性的增大,抑制酚类底物与PPO酶结合,抗褐变。磁场,低磁通密度静磁场具有提高预冷效率,对微生物细胞活力、细胞增殖、细胞内离子浓度和细胞形态有明显影响,干扰磁场细胞死亡过程,抑菌作用。
低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理设备为现有技术处理设备。
3微环境气调箱低温高压氩气气调贮藏
低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理后,沥干表面水分,放置于微环境气调箱内进行气调贮藏处理,所述微环境气调箱结构如图1所示,本体为果蔬贮藏腔体2,在该果蔬贮藏腔体上开设有进气口4和出气口1,进气口通过气体管道5连接气体冷却箱6,气体冷却箱外接制冷机9,气体冷却箱连接氩气罐8,在气体冷却箱和氩气罐之间设置有压力表7。在果蔬贮藏腔体上设置有等离子发生器3。
本微环境气调箱具有保温、气调、等离子体释放功能,箱子密封好后,放置于冷库(0±0.5℃)内贮藏。贮藏过程中,定期通入100%的氩气,每间隔5d更换一次箱内气体,箱内压力0.5-0.6Mpa,目的是排除箱内的醇类、醛类、乙烯等有害代谢产物。
氩气由氩气罐经减压阀,进入气体冷却箱,经往复型冷却管道进行冷却,预冷水箱配套有制冷机,保证气体预冷出口温度降至0-1℃,这样保证了进入箱体的氩气温度为0-1℃,黄花菜的贮藏环境不产生波动,防止温度过高导致的腐烂和温度过低导致的冷害。
氩气在一定温度和压力下溶于水时,与水形成种冰晶状的结构-笼形水合物。在笼形水合物结构中,水在氢键的作用下形成不同尺寸大小的空穴结构,而气体分子包含于空穴中。当惰性气体分子溶于果蔬细胞间水形成笼形水合物时,细胞水分被“结构化”,水分的粘度增加,流动性受到限制,与酶反应相关的底物的扩散速率下降,果蔬生理代谢活动受到抑制,抑制呼吸速率、乙稀的产生和褐变,提高抗氧化能力,高压氩气和氙气能诱导酚类物质的增加,增强细胞防御能力,减少微生物的侵染。
4等离子体间歇熏蒸防腐
在微环境气调箱上设置有等离子体发生器,每间隔5d处理1次,在每次气调之前,箱内通入低温空气,启动等离子体发生器,运行30min,杀菌结束后,再重新充入氩气,密封保鲜。等离子体负离子产生浓度≥2×108pcs/cm3,正离子产生浓度≥2×108pcs/cm3,配有扩散循环风机,可以将电离的正负离子、活性氧、自由基等活性成分均衡的扩散至气调箱内,能破坏微生物的脂质、蛋白质、DNA等,发挥杀菌效果,采用此种保鲜方法,可以使黄花菜保鲜期达30-40d。
本发明进行了实验操作,具体实验结果如下:
(1)MAP结合1-MCP对黄花菜贮藏期间的感官指标的分析
由图2中(a),(b)和(c)中可以看出,CK的腐烂率、开花率最高,其次是1-MCP组,从(d)中看出,随着时间增加,失重率不断增加,CK组和1-MCP组水分蒸发严重,而MAP组和MAP+1-MCP组水分蒸发相对较好,可能是MAP结合1-MCP长贮藏期可延缓黄花菜衰老。
(2)不同MAP结合1-MCP方式对黄花菜贮藏期间的总酚含量的影响
由图3可以看出四种不同MAP结合1-MCP的黄花菜的总酚含量的变化,对照组、MAP处理组和MAP和1-MCP处理组总酚含量变化趋势一致,先增加后减少,10d的总酚含量达到最大;经1-MCP处理的黄花菜的总酚含量先增加后减少,而20d含量达到最大;从MAP结合1-MCP的方法可以看出:在20d时经1-MCP处理的总酚含量相对较高,实验组处理贮藏处理比CK贮藏处理用时长,衰老速率较慢。
(3)不同MAP结合1-MCP方式对黄花菜贮藏期间的还原糖含量的影响
由图4可以看出四种不同MAP结合1-MCP的黄花菜的还原糖贮藏期间的含量的变化,对照组,1-MCP处理组和MAP和1-MCP处理组的还原糖含量变化趋势一致,先增加后减少,10d的还原糖含量达到最大;而MAP处理组黄花菜的还原糖的含量不断增加;从MAP结合1-MCP方法可以看出:经MAP处理的还原糖含量相对较高。
(4)不同MAP结合1-MCP方式对黄花菜贮藏期间的酸度的影响
由图5可知,pH是影响蔬菜风味的一个重要指标,随着贮藏时间的增长,酸度pH值先增加后降低。对于MAP处理组和1-MCP处理组,黄花菜酸度pH值在贮藏期间内变化显著(P<0.05)。新鲜黄花菜在贮藏0d时的pH值较低。从不同MAP结合1-MCP方式来讲,CK pH值较其他三种处理含量低,可间接说明CK处理的黄花菜软化衰老快。
(5)不同MAP结合1-MCP方式对黄花菜贮藏期间的VC含量的影响
由图6可以看出四种不同MAP结合1-MCP的黄花菜的VC含量的变化,VC含量变化趋势为先减少后增加,10d的VC含量达到最小。在贮藏10d后,对照组总酚含量显著低于贮藏组(p<0.05)。从MAP结合1-MCP的方法可以看出:经MAP结合1-MCP处理可能有利于VC含量的合成。
(6)不同MAP结合1-MCP方式对黄花菜贮藏期间的黄酮含量的影响
由图7可以看出四种不同MAP结合1-MCP的黄花菜的黄酮含量的变化,CK组,MAP处理组和MAP处理组和1-MCP处理组有相同的变化趋势,黄酮含量先减少后增加,而1-MCP处理组的黄酮含量先增加后减少,10d含量达到最大。从MAP结合1-MCP的方法可以看出:CK组比MAP和MAP处理和1-MCP处理组贮藏处理用时短,衰老速率较快。
(7)不同MAP结合1-MCP方式对黄花菜贮藏期间的叶绿素a含量的影响
由图8可以看出四种不同MAP结合1-MCP的黄花菜的叶绿素a含量的变化,对照组和经1-MCP处理的叶绿素a含量在贮藏30d期间不断减少;经MAP处理的和经MAP和1-MCP处理的黄花菜叶绿素a的含量先增加后减少,20d含量达到最大;在0d时经1-MCP处理的叶绿素a含量是四个处理中含量最高,而在30d时经MAP处理的叶绿素a含量是四个处理中含量最高的。因此从MAP结合1-MCP的方法可以看出:在20d时经MAP结合1-MCP处理的叶绿素a含量相对较高。
(8)不同MAP结合1-MCP方式对黄花菜贮藏期间的叶绿素b含量的影响
由图9可以看出四种不同MAP结合1-MCP的黄花菜的叶绿素b含量的变化,对照组和经1-MCP处理的叶绿素b含量在贮藏30d期间不断减少;经MAP处理和经MAP和1-MCP处理的的黄花菜的叶绿素b的含量先增加后减少,20d含量达到最大;在0d时经1-MCP处理的叶绿素b含量是四个处理中含量最高的,而在20d时经MAP结合1-MCP处理的叶绿素b含量是四个处理中含量最高的。因此从MAP结合1-MCP的方法可以看出:在20d时经MAP结合1-MCP处理的叶绿素b含量相对较高。
(9)不同MAP结合1-MCP方式对黄花菜贮藏期间的类胡萝卜素含量的影响
由图10可以看出四种不同MAP结合1-MCP的黄花菜的类胡萝卜素含量的变化,对照组和经MAP处理类胡萝卜素含量先增加后减少,10d含量达到最大;经1-MCP处理的黄花菜的类胡萝卜素含量不断减少;经MAP和1-MCP处理的黄花菜该处理的类胡萝卜素的含量先增加后减少,20d的类胡萝卜素含量达到最大;因此从MAP结合1-MCP的方法可以看出:在20d时经MAP结合1-MCP处理的类胡萝卜素含量相对较高。
(10)不同MAP结合1-MCP方式对黄花菜贮藏期间的呼吸强度的影响
由图11可看出,经对照组处理后呼吸强度较MAP和1-MCP处理组的呼吸强度都高,差异显著(P<0.05),可能是因为CK会延缓黄花菜进入完熟阶段,所以呼吸强度较高。对于四种贮藏处理的黄花菜来说,贮藏处理一段时间后黄花菜会达到呼吸高峰,但随着贮藏时间的延长,呼吸强度又呈下降趋势,说明在贮藏期,黄花菜逐渐成熟以至衰老。从不同成熟度角度来看,随着成熟度的增加,黄花菜的呼吸高峰值基本呈先上升后下降的趋势,黄花菜在贮藏期第20d时出现呼吸高峰,CK贮藏处理后黄花菜呼吸高峰值可达5530.51mgCO2·kg-1·h-1,MAP贮藏处理后黄花菜呼吸高峰值可达5406.47mgCO2·kg-1·h-1,MAP结合1-MCP、1-MCP贮藏处理呼吸高峰分别为5329.46mgCO2·kg-1·h-1、5306.75mgCO2·kg-1·h-1,出现此高峰的原因可能是因为黄花菜要先进入成熟期,再进入衰老期,所以在贮藏期第20d就达到呼吸高峰。
(11)不同MAP结合1-MCP方式对黄花菜贮藏期间色泽的影响
图12可以看出,黄花菜在贮藏0d、10d、20d、30d的色差变化,色差值均为先增加后减少,都在10d的含量达到最大,因此从不同MAP结合1-MCP方法处理黄花菜:经MAP处理色差相对较高。MAP处理组的黄花菜成熟过程中的颜色变化较大,可能是因为该种处理贮藏黄花菜后更容易导致黄花菜衰老,黑色素沉积,颜色变暗。
(12)MAP结合1-MCP对黄花菜贮藏期间的照片对比
图13中照片可以看出,随着时间的增加,黄花菜的颜色有绿色变成黄色,发生褐变,甚至出现霉菌,由图中可以看出,经过MAP和1-MCP的理组较其它三组处理颜色变黄较慢,感官较好。
尽管为说明目的公开了本发明的实施例,但是本领域的技术人员可以理解:在不脱离本发明及所附权利要求的精神和范围内,各种替换、变化和修改都是可能的,因此,本发明的范围不局限于实施例所公开的内容。

Claims (2)

1.一种鲜黄花菜微环境气调保鲜方法,其特征在于:包括以下方法步骤:
⑴采前品质调控处理
采前1个月用复合型抗老化抑制剂对鲜黄花菜进行酶活性抑制处理,采前1天喷施1-MCP溶液;
⑵低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理
将预处理后的黄花菜经静磁场协同护色剂冷激处理40-60 min,冷激温度控制在3-4℃,磁场强度70-80 Gs;
⑶微环境气调箱低温高压氩气气调贮藏
低磁通密度静磁场协同护色剂冷激抗褐变抗菌处理后,沥干表面水分,放置于微环境气调箱内进行气调贮藏处理,箱子密封好后,放置于冷库0±0.5℃内贮藏,贮藏过程中,定期通入100%的氩气,每间隔5d更换一次箱内气体,箱内压力0.5-0.6Mpa,
所述微环境气调箱本体为果蔬贮藏腔体,在该果蔬贮藏腔体上开设有进气口和出气口,进气口通过气体管道连接气体冷却箱,气体冷却箱外接制冷机,气体冷却箱连接氩气罐,在气体冷却箱和氩气罐之间设置有压力表,在果蔬贮藏腔体上设置有等离子发生器,
所述的等离子发生器每间隔5 d开启1次,在每次气调之前,箱内通入低温空气,启动等离子体发生器,运行30 min,杀菌结束后,再重新充入氩气,密封保鲜,
等离子发生器产生等离子体的负离子浓度≥2×108pcs/cm3,正离子产生浓度≥2×108pcs/cm3,所述的复合型抗老化抑制剂由100 mg L-1苯并噻重氮、1.0 mmol L-1褪黑素、5mmol L-1 γ-氨基丁酸、20 mg L-1亚精胺、8mmol L-1抗坏血酸、1.0 g L-1氨基酸、1.0 g L-1水溶肥、1.0 g L-1 N6、3.0 mmol L-1GA制成,
所述的护色剂包括0.12 mmol L-1的麦角硫因、0.5 mmol L-1草酸、150 μmol·L-1硝普钠。
2.根据权利要求1所述的一种鲜黄花菜微环境气调保鲜方法,其特征在于:使用背负式电动喷雾器处理喷施1-MCP溶液,喷施量控制在80-90 g·hm-2
CN202110347713.5A 2021-03-31 2021-03-31 鲜黄花菜微环境气调保鲜方法 Active CN113243419B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110347713.5A CN113243419B (zh) 2021-03-31 2021-03-31 鲜黄花菜微环境气调保鲜方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110347713.5A CN113243419B (zh) 2021-03-31 2021-03-31 鲜黄花菜微环境气调保鲜方法

Publications (2)

Publication Number Publication Date
CN113243419A CN113243419A (zh) 2021-08-13
CN113243419B true CN113243419B (zh) 2023-05-26

Family

ID=77181297

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110347713.5A Active CN113243419B (zh) 2021-03-31 2021-03-31 鲜黄花菜微环境气调保鲜方法

Country Status (1)

Country Link
CN (1) CN113243419B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113826687A (zh) * 2021-09-14 2021-12-24 苏州市农业科学院 一种新型枇杷防褐变气调保鲜方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111587913A (zh) * 2020-05-22 2020-08-28 天津科技大学 一种基于低温等离子体技术的黄花菜杀青灭菌方法
CN111903752A (zh) * 2020-07-09 2020-11-10 新疆红旗坡农业发展集团有限公司 糖心苹果超长期相温保鲜系统及方法
CN111972484A (zh) * 2020-08-26 2020-11-24 江南大学 一种磁场联合冷藏延长果实类蔬菜贮藏期的方法
CN112056380A (zh) * 2020-08-20 2020-12-11 大有作为(天津)冷链设备有限公司 西梅流相防腐保鲜方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111587913A (zh) * 2020-05-22 2020-08-28 天津科技大学 一种基于低温等离子体技术的黄花菜杀青灭菌方法
CN111903752A (zh) * 2020-07-09 2020-11-10 新疆红旗坡农业发展集团有限公司 糖心苹果超长期相温保鲜系统及方法
CN112056380A (zh) * 2020-08-20 2020-12-11 大有作为(天津)冷链设备有限公司 西梅流相防腐保鲜方法
CN111972484A (zh) * 2020-08-26 2020-11-24 江南大学 一种磁场联合冷藏延长果实类蔬菜贮藏期的方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
叶菜保鲜技术研究进展;韦阳连等;《广东农业科学》;20110225(第04期);第91-93页 *
气调贮藏对金针菜外观色泽和营养品质的影响;马佳佳等;《食品工业科技》;20171231;第38卷(第09期);第339,340页 *
采前1-甲基环丙烯处理对西兰花贮藏品质的影响;李秀杰等;《食品与发酵工业》;20090830(第08期);全文 *
高压氩气和氮气处理对鲜切苹果冷藏的保鲜效果;吴志霜等;《食品科学》;20111025(第20期);第290,291页 *

Also Published As

Publication number Publication date
CN113243419A (zh) 2021-08-13

Similar Documents

Publication Publication Date Title
CN102812988B (zh) 一种雷竹笋的保鲜方法
CN102578209B (zh) 一种冰鲜鸭肉的复合保鲜液及其制备方法与应用
CN107114466B (zh) 一种莲藕贮藏方法
CN109077112B (zh) 冷藏苹果复香防褐变保硬鲜切片加工方法
CN113243419B (zh) 鲜黄花菜微环境气调保鲜方法
CN103125589B (zh) 一种冷敏型果蔬采后抗冷防腐保鲜剂及其应用技术
CN104542961A (zh) 一种保鲜鲜食核桃仁的方法
CN102763713A (zh) 一种莲子保鲜加工及包装工艺
CN113080252A (zh) 一种荔枝保鲜的方法
CN114831171A (zh) 适用于鲜果贮藏的高氧应激保鲜方法和应用
CN102524368B (zh) 一种春华李的采摘及保存方法
CN109699734A (zh) 一种复合抑菌延长鲜切生菜货架期的方法
CN112849496B (zh) 一种纳米涂膜结合微气孔薄膜的鲜切果菜气调包装方法
CN106689353A (zh) 一种三姜精油涂膜保鲜番石榴果实的方法
CN110896995B (zh) 一种延长芦笋贮藏期的保鲜方法
CN107969488A (zh) 一种果蔬复合保鲜剂及其制备与应用方法
CN111436488A (zh) 一种水果保鲜方法
CN110959666A (zh) 褪黑素处理延缓鲜切莲藕片褐变的方法、褐变延缓剂及其制备方法和应用
CN115380947A (zh) 一种脆李保鲜储存方法
CN111528268B (zh) 基于气体保护的肉类保鲜方法
CN107495085A (zh) 一种春笋保鲜储藏的方法
CN113080245B (zh) 一种延长桃货架期的保鲜方法
CN112790242A (zh) 一种高温季节采收叶菜的真空预冷保鲜技术
CN111345340A (zh) 一种新鲜蔬菜冷链加工保鲜方法
CN110771679A (zh) 羊肚菌的保鲜方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant