CN104351332B - A kind of Kiwi berry composite preservative and preparation method thereof and Kiwi berry preservation method - Google Patents

A kind of Kiwi berry composite preservative and preparation method thereof and Kiwi berry preservation method Download PDF

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Publication number
CN104351332B
CN104351332B CN201410741513.8A CN201410741513A CN104351332B CN 104351332 B CN104351332 B CN 104351332B CN 201410741513 A CN201410741513 A CN 201410741513A CN 104351332 B CN104351332 B CN 104351332B
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kiwi berry
acetic acid
glacial acetic
water
chitosan
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CN104351332A (en
Inventor
吴小毛
张承
龙友华
王秋萍
徐雪凌
李明
尹显慧
田雪莲
胡安龙
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Guizhou University
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Guizhou University
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    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation

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  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Storage Of Fruits Or Vegetables (AREA)

Abstract

The invention discloses a kind of Kiwi berry composite preservative and preparation method thereof and Kiwi berry preservation method, it is made up of the component of following mass percent:Glacial acetic acid 0.5~1.0%, chitosan 0.5~2.5%, konjac glucomannan 0.5~3.5%, starch 0.5~2.5%, remaining is water.Chitosan, konjac glucomannan, starch are weighed during preparation;Glacial acetic acid solution is made with water dissolving glacial acetic acid;Glacial acetic acid solution is placed in water-bath, lower addition chitosan, konjac glucomannan and starch is stirred continuously and is dissolved into white uniformity phase emulsion and then sealing preserve.The Kiwi berry composite preservative of the present invention has good stability, and has effective inhibitory action to Kiwi berry respiration, can reduce Kiwi berry softening rate, extension Kiwi berry storage time, preferably keep the original nutrition of Kiwi berry and flavor quality.

Description

A kind of Kiwi berry composite preservative and preparation method thereof and Kiwi berry preservation method
Technical field
The present invention relates to fruit storage and freshness-retaining technology field, and in particular to a kind of Kiwi berry composite preservative and its preparation side Method and Kiwi berry preservation method.
Background technology
Kiwi berry is Actinidiaceae(Actinidiaceae)Actinidia(Actinidia)Perennial liana fallen leaves plant Thing, originates in China, rich in ascorbic acid(Vc), it is deep to be favored by consumer with very high nutrition and health care value.China Kiwi berry often mainly have with storage practice refrigeration, air conditioned storage, simple air conditioning storage etc., due to lacking perfect cold chain transportation and Marketing system so that the fruit shelf life after outbound is greatly shortened, and adds refrigeration loss late;In addition air conditioned storage etc. is invested Greatly, cost is high, and low developed area orchard worker can not just bear to this.And smear antistaling agent it is easily and effectively and cost-effective, do not lose It is can apply to for one kind in Kiwi berry preservation and freshness, to increase orchard worker's economic benefit.
The content of the invention
It is an object of the invention to overcome the preservation and freshness problem faced in the plantation of low developed area Kiwi berry to provide One kind can effectively suppress Kiwi berry respiration, reduction Kiwi berry softening rate, extension Kiwi berry storage time and can preferably protect Hold the Kiwi berry composite preservative of quality of Chinese gooseberries.The present invention also provides the preparation method of this Kiwi berry composite preservative and made The fresh-keeping method of Kiwi berry is carried out with this composite preservative.
To realize the purpose of the present invention, following technical scheme is employed:
Present invention firstly provides a kind of Kiwi berry composite preservative, it is made up of the component of following mass percent:0.5 ~2.0% chitosan, 0.5~3.5% calcium chloride, 0.1~0.4% salicylic acid, 0.5~1.0% glacial acetic acid, remaining is water.It is preferred that, It is made up of the component of following mass percent:1.0% chitosan, 1.5% calcium chloride, 0.3% salicylic acid, 0.5% glacial acetic acid and 96.7% water.Using the preferred scheme, the antistaling storing time of Kiwi berry is greatly improved than common solution.
In such scheme, glacial acetic acid is used to dissolve chitosan, selects the glacial acetic acid of low concentration, and preferred concentration is 0.5~ 1.5% glacial acetic acid.
Further, chitosan is Chitosan (1-4) -2- amino-B-D glucose;Calcium chloride is anhydrous calcium chloride; Glacial acetic acid is anhydrous acetic acid;Water is combination more than one or both of distilled water, deionized water, high purity water;Salicylic acid is micro- It is dissolved in cold water, is soluble in hot water.
The invention also provides the preparation method of Kiwi berry composite preservative, this method comprises the following steps:
1)Raw material weighing:Chitosan, calcium chloride, salicylic acid are weighed by mass percentage;
2)Salicylic acid dissolves:The salicylic acid of mass percent needed for the hot water dissolving of mass percent needed for taking;
3)Glacial acetic acid dissolves:Glacial acetic acid is weighed in mass ratio, adds step 2)Salicylic acid solution in dissolve;
4)Dissolving is mixed:By step 3)Solution is placed in 40~45 DEG C of water-bath, needed for being sequentially added in the case where being stirred continuously The calcium chloride and chitosan of mass percent are fully dissolved into transparent phase emulsion;Salicylic acid is first dissolved, then uses salicylic acid solution Glacial acetic acid is dissolved, other materials, such dissolving effect are then dissolved by stirring in water bath with salicylic acid and glacial acetic acid mixed solution It is really splendid, it can avoid the occurrence of and dissolve insufficient phenomenon;
5)Sealing preserve:With vial or plastic bottle sealing preserve.
When this kiwi fruit preservative progress Kiwi berry using the present invention is fresh-keeping, carry out in accordance with the following methods:By Mi Monkey peach, which is placed in Kiwi berry composite preservative, to be impregnated 1~5 minute or Kiwi berry is applied using the Kiwi berry composite preservative Smear, collected after then Kiwi berry taking-up nature is dried and be put into container(Such as basin)It is interior, and sealed with preservative film with holes in room Temperature is lower to preserve;The Kiwi berry composite preservative by 0.5~2.0% chitosan by mass percentage, 0.5~3.5% calcium chloride, 0.1~0.4% salicylic acid, 0.5~1.0% glacial acetic acid and 93.1~98.4% water are made.
In the antistaling agent prescription of the present invention, chitosan is chitin through a kind of natural molecule alkali obtained from deacetylation Property polysaccharide, abundance, nontoxic pollution-free, can fruit and vegetable surfaces formation pellicle, and can effectively germ invasion and grow; And the control that calcium rots to postharvest fruit and vegetable, the structure and function of cell membrane are kept, strengthens the hardness of fruit, cell wall degrading enzyme is reduced Activity, suppress breathing, reduction ethylene synthesis there is good action.Salicylic acid can suppress ethylene synthase in plant tissue.
Compared with prior art, Kiwi berry composite preservative of the invention has good stability the present invention, can effectively suppress Mi Monkey peach respiratory rate, delay the After-ripening of Kiwi berry, so as to reduce Kiwi berry softening rate, extension Kiwi berry storage time.Tool Have the advantages that film forming is stable, nontoxic, environmentally friendly friendly, with low cost.
Embodiment
With reference to embodiment, the present invention is described in further detail.
Embodiment 1:
Formula:Kiwi berry composite preservative is by 1.0% chitosan by mass percentage, 1.5% calcium chloride, 1.0% glacial acetic acid It is made with 96.5% water.
Preparation method:10g chitosans and 15g calcium chloride are weighed in percent mass proportioning ratio;Take required mass percent 965ml water fully dissolve needed for mass percent 10ml glacial acetic acid;Glacial acetic acid solution is placed in 40~45 DEG C of water-baths, The 15g calcium chloride and 10g chitosans of mass percent needed for being sequentially added in the case where being stirred continuously fully are dissolved into transparent phase emulsion; With sealing preserves such as vial or plastic bottles;Prepare 1000ml Kiwi berry composite preservative.
Embodiment 2:
Formula:Kiwi berry composite preservative is made up of 1.5% calcium chloride by mass percentage and water 98.5%.
Preparation method:15g calcium chloride is weighed in percent mass proportioning ratio;985ml water is taken fully to dissolve calcium chloride;Use glass The sealing preserve such as glass bottle or plastic bottle;Prepare 1000ml Kiwi berry composite preservative.
Embodiment 3:
Formula:Kiwi berry composite preservative is made by 1.5% calcium chloride by mass percentage, 0.3% salicylic acid and water 98.2% Into.
Preparation method:15g calcium chloride and 3g salicylic acids are weighed in percent mass proportioning ratio;By alleged calcium chloride and bigcatkin willow Acid is sufficiently mixed;The abundant dissolving mixt of 982ml hot water is taken into transparent phase liquid;With sealing preserves such as vial or plastic bottles; Prepare 1000ml Kiwi berry composite preservative.
Embodiment 4:
Formula:Kiwi berry composite preservative is by 1.0% chitosan by mass percentage, 1.5% calcium chloride, 0.3% bigcatkin willow Acid, 0.5% glacial acetic acid and water 96.7% are made.
Preparation method:10g chitosans, 15g calcium chloride and 3g salicylic acids are weighed in percent mass proportioning ratio;Take 967ml Hot water fully dissolves 3g salicylic acids;Add 5ml glacial acetic acid dissolving;Solution is placed in 40~45 DEG C of water-baths, constantly stirred Mix down and sequentially add 15g calcium chloride and 10g chitosans are fully dissolved into transparent phase emulsion;Sealed and protected with vial or plastic bottle etc. Deposit;Prepare 1000ml Kiwi berry composite preservative.
Using expensive long Kiwi berry as test kind, the use of the ripe technical scheme to 4 embodiments of harvesting is imitated Fruit is measured, and assay method is as follows:
The Kiwi berry that harvesting is returned is grouped at random, every 25 are one group, and each processing sets 4 repetitions.By Kiwi berry It is respectively placed in the natural Actinidia chinensis antistaling agent of above-mentioned 4 embodiments and impregnates 2 minutes or using natural Actinidia chinensis antistaling agent to Mi Monkey peach is smeared, and is collected and is put into container after then Kiwi berry taking-up nature is dried, and is sealed with preservative film with holes Preserve at room temperature.And the scheme of normal temperature storage will be carried out as a control group to Kiwi berry without using antistaling agent.Totally 5 processing, 20 repetitions.
Nutrient quality assay method:Soluble adhesion molecule is determined with anthrone colorimetry;Content of reducing sugar direct titration Method is determined;Vitamin C content is determined with 2,6 dichlorophenol indophenol method;Titratable acid content determination of acid-basetitration.Fruit softening Rate is determined:Preserve, every 10 days statistics Kiwi berry softening numbers, take out softening Kiwi berry after having counted at room temperature, in order to avoid The Kiwi berry that the ethylene gas influence that softening Kiwi berry is produced does not soften;Softening rate=(Kiwi berry softening number/Kiwi berry is always individual Number)×100%.
Measurement result is as shown in 1-table of table 5.
It can draw, be compared with control group from table 1 and table 5, the Kiwi berry composite preservative processing Kiwi berry of 4 embodiments Fruit total sugar content, content of reducing sugar peak value time of occurrence delay 10~20 days, wherein the Kiwi berry composite fresh-keeping of embodiment 4 There is the Kiwi berry composite preservative evening of more other 3 embodiments in agent total sugar content, content of reducing sugar peak value;4 embodiments Kiwi berry composite preservative processing kiwifruit fruit total acid content decrease speed relatively compares slow, wherein, the Kiwi berry of embodiment 4 Composite preservative decrease speed is most slow;Each Kiwi berry composite preservative processing kiwifruit fruit vitamin C loss speed is relatively compareed Group is slow, to keeping Kiwi berry quality within storage period to have the Kiwi berry composite preservative processing of good result, wherein embodiment 4 Kiwifruit fruit vitamin C decrease speed is most slow;In being influenceed on Kiwi berry softening rate, control group and the Mi of embodiment 1 after 40 days Monkey peach composite preservative Kiwi berry all softens, the Kiwi berry composite preservative processing softening of embodiment 2,3,4 after 50 days Rate is respectively 64%, 80%, 76%, wherein the minimum Kiwi berry composite preservative for embodiment 4.
From test result, the technical scheme of embodiment 4 is optimal case, and it shows chitosan, calcium chloride and water The composite preservative of the compound composition of poplar acid has obvious action in terms of Kiwi berry preservation and freshness, can effectively suppress Kiwi berry and exhale Inhale speed, delay the After-ripening of Kiwi berry, so as to reduce Kiwi berry softening rate, extension Kiwi berry storage time.
Certainly, it is the concrete application example of the present invention above, the present invention also has other embodiments, all using equivalent Replacement or the technical scheme of equivalent transformation formation, all fall within protection domain of the presently claimed invention.

Claims (3)

1. a kind of Kiwi berry composite preservative, it is characterised in that:It is made up of the component of following mass percent:1.0% shell gathers Sugar, 1.5% calcium chloride, 0.3% salicylic acid, 0.5% glacial acetic acid and 96.7% water;The glacial acetic acid is used to dissolve chitosan.
2. Kiwi berry composite preservative according to claim 1, it is characterised in that:The chitosan is Chitosan (1-4) -2- amino-B-D glucose;The calcium chloride is anhydrous calcium chloride;The glacial acetic acid is anhydrous acetic acid;The water is steaming Combination more than one or both of distilled water, deionized water, high purity water.
3. the preparation method of a kind of Kiwi berry composite preservative as described in above-mentioned any one claim, it is characterised in that should Method comprises the following steps:
1)Raw material weighing:Chitosan, calcium chloride, salicylic acid are weighed by mass percentage;
2)Salicylic acid dissolves:The salicylic acid of mass percent needed for the hot water dissolving of mass percent needed for taking;
3)Glacial acetic acid dissolves:Glacial acetic acid is weighed in mass ratio, adds step 2)Salicylic acid solution in dissolve;
4)Dissolving is mixed:By step 3)Obtained solution is placed in 40~45 DEG C of water-bath, and institute is sequentially added in the case where being stirred continuously The calcium chloride and chitosan of mass percent is needed fully to be dissolved into transparent phase emulsion;
5)Sealing preserve:With vial or plastic bottle sealing preserve.
CN201410741513.8A 2014-12-08 2014-12-08 A kind of Kiwi berry composite preservative and preparation method thereof and Kiwi berry preservation method Expired - Fee Related CN104351332B (en)

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CN104938610B (en) * 2015-05-26 2018-04-20 荆楚理工学院 The coating-film fresh-keeping method of plant glycogen nano-film coating antistaling agent and birds, beasts and eggs
CN106942359A (en) * 2017-03-15 2017-07-14 合肥华创现代农业科技有限公司 A kind of edible fruit and vegetable fresh-keeping agent and preparation method thereof
CN110250261B (en) * 2019-06-19 2022-10-14 南阳师范学院 Compound preservation method for kiwi fruits
CN112167330A (en) * 2020-09-10 2021-01-05 长沙沃霖农副产品开发有限公司 Kiwi fruit preservative, preparation method thereof and kiwi fruit preservation method
CN114532397A (en) * 2022-02-25 2022-05-27 贵州省现代农业发展研究所(贵州省现代农村发展研究中心、贵州省农村经济与社会发展科学研究所、贵州省农产品加工研究所) Preparation method of kiwi fruit preservative

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CN1961689A (en) * 2006-11-30 2007-05-16 浙江大学 Grape compound anti-scaling agent and preparation method thereof
CN101366411B (en) * 2008-10-10 2010-12-08 山东大学 Fruit-vegetables antistaling agent, preparation and application thereof
CN101999441A (en) * 2009-08-31 2011-04-06 深圳市昶裕隆实业有限公司 Preparation method of fruit and vegetable coating preservative
EP2606738B1 (en) * 2011-12-19 2014-11-12 Jean Marliagues Brine bath for conserving fruit intended for being bated, semi-bated, glazed, flavoured or not.
CN103271142B (en) * 2013-05-08 2014-10-15 南京年吉冷冻食品有限公司 preparation method of kiwi fruit preservative

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Inventor after: Wu Xiaomao

Inventor after: Zhang Cheng

Inventor after: Long Youhua

Inventor after: Wang Qiuping

Inventor after: Xu Xueling

Inventor after: Li Ming

Inventor after: Yin Xianhui

Inventor after: Tian Xuelian

Inventor after: Hu Anlong

Inventor before: Zhang Cheng

Inventor before: Xu Xueling

Inventor before: Tian Xuelian

Inventor before: Long Youhua

Inventor before: Wang Qiuping

Inventor before: Li Ming

Inventor before: Wu Xiaomao

Inventor before: Hu Anlong

Inventor before: Yin Xianhui

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Application publication date: 20150218

Assignee: Guizhou Datang Xingnong Agricultural Technology Development Co.,Ltd.

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Contract record no.: X2022980001235

Denomination of invention: The invention relates to a kiwi composite preservative and a preparation method thereof and a kiwi fresh-keeping method thereof

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