JP2006158281A - Method for producing packaged fruit - Google Patents
Method for producing packaged fruit Download PDFInfo
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- JP2006158281A JP2006158281A JP2004353775A JP2004353775A JP2006158281A JP 2006158281 A JP2006158281 A JP 2006158281A JP 2004353775 A JP2004353775 A JP 2004353775A JP 2004353775 A JP2004353775 A JP 2004353775A JP 2006158281 A JP2006158281 A JP 2006158281A
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- container
- fruit
- syrup
- oxygen
- resin
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- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
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Images
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- Storage Of Fruits Or Vegetables (AREA)
Abstract
Description
本発明は、白桃等の果実のシラップ漬け缶詰等容器詰め果実の製造方法に関する。 The present invention relates to a method for producing a container-packed fruit such as syrup-pickled canned fruit such as white peach.
白桃等果実のシラップ漬け缶詰を製造するにあたっては、内容物の品質維持の観点から、酸素をできるだけ除去することが望ましいことは周知の事実である。そのため、たとえば、シラップは缶に充填前に煮沸することにより溶存酸素を減少せしめたり、缶のヘッドスペースの空気をバキュームしたり、不活性ガスで置換する等の工夫がなされている。しかし、現実には、果実自体が植物であるがゆえに酸素を包含している場合があり、完全な酸素除去は困難である。 It is a well-known fact that it is desirable to remove oxygen as much as possible from the viewpoint of maintaining the quality of the contents when producing canned syrups such as white peaches. For this reason, for example, syrup is boiled before filling the can to reduce dissolved oxygen, vacuum the head space of the can, or replace with an inert gas. However, in reality, since the fruit itself is a plant, it may contain oxygen, and complete oxygen removal is difficult.
そこで、缶詰の場合は、缶内面に錫を露出させたプレーン缶を使用し、この錫が内容液と接触し還元作用を示すことを利用して内容物である果実の酸化劣化を防止している。しかしながら、プレーン缶は、内面塗装缶に比べて容器の価格が高く、また錫が内容物に対し溶出するため、その風味への影響が避けられないという問題がある。 Therefore, in the case of canned food, use a plain can with tin exposed on the inner surface of the can, and prevent the oxidative deterioration of the fruit, which is the content, by utilizing the fact that this tin comes into contact with the content liquid and exhibits a reducing action. Yes. However, the plain can has a problem that the price of the container is higher than that of the inner surface coated can, and tin is eluted from the contents, so that the influence on the flavor is unavoidable.
特許文献１〜１０には、飲料水、飲料（果汁、茶類、乳類、コーヒー、健康飲料等）および酒類に対して電気分解処理を施すことにより製品の改質を行う技術が開示されているが、容器詰め果実の酸化劣化を防止するために電気分解処理を利用することはなんら示唆されていない。
本発明は、上記従来技術の問題点にかんがみなされたものであって、プレーン缶を使用せず、内面塗装缶やプラスチック容器を使用しても内容物であるシラップ漬け果実の酸素劣化を防止することが可能な容器詰め果実の製造方法を提供することを目的とする。 The present invention has been considered in view of the above-mentioned problems of the prior art, and prevents oxygen deterioration of the syrup-picked fruit, which is the content, without using a plain can and using an internally coated can or a plastic container. An object of the present invention is to provide a method for producing a container-packed fruit.
上記本発明の目的を達成するため、本発明者は鋭意研究と実験を重ねた結果、果実が漬け込まれるシラップに電気分解還元処理を施し還元力を付与することにより、果実にシラップの還元力を作用させ、果実の酸化劣化を防止することができることを発見し、本発明に到達した。 In order to achieve the above object of the present invention, the present inventor has conducted extensive research and experiments, and as a result, the reducing power of syrup is imparted to the fruit by subjecting the syrup to which the fruit is soaked to electrolyze reduction treatment. It was discovered that oxidative degradation of fruits can be prevented, and the present invention has been achieved.
すなわち，本発明の目的を達成する容器詰め果実の製造方法は、シラップに電気分解還元処理を施した後このシラップと果実を容器に充填密封し、加熱殺菌することを特徴とするものである。
本発明の１側面において、該容器は内面塗装缶であることを特徴とする。
本発明の他の側面において、該容器は内面樹脂被覆缶であることを特徴とする。
本発明の他の側面において、該容器はプラスチック製容器であることを特徴とする。
さらに、容器をプラスチック製容器とする場合は、該プラスチック製容器は酸素バリヤー性または酸素吸収性プラスチックとすることができる。
That is, the method for producing a container-packed fruit that achieves the object of the present invention is characterized in that after the syrup is subjected to an electrolytic reduction treatment, the syrup and fruit are filled and sealed in a container and then heat-sterilized.
In one aspect of the present invention, the container is an inner surface coated can.
In another aspect of the present invention, the container is an inner surface resin-coated can.
In another aspect of the present invention, the container is a plastic container.
Further, when the container is a plastic container, the plastic container can be an oxygen barrier or oxygen absorbing plastic.
本発明によれば、果実が漬け込まれるシラップに電気分解還元処理を施し還元力を付与することにより、果実にシラップの還元力を作用させ、高価でかつ果実の風味を悪くするプレーン缶を使用せず、安価な内面塗装缶やプラスチック製容器を使用しても内容物であるシラップ漬け果実の酸化劣化を防止することができる。 According to the present invention, by applying an electrolytic reduction treatment to the syrup in which the fruit is soaked and imparting a reducing power, the reducing power of the syrup is applied to the fruit, and an expensive plain can that deteriorates the flavor of the fruit is used. Without oxidization degradation of the syrup-picked fruit, which is the content, can be prevented even if an inexpensive inner surface can or plastic container is used.
また、プラスチック製容器を使用する場合に酸素バリヤー性または酸素吸収性プラスチックを容器として使用することにより、内容物の酸化防止効果をいっそう高めることができる。 In addition, when a plastic container is used, the effect of preventing oxidation of the contents can be further enhanced by using an oxygen barrier or oxygen absorbing plastic as the container.
以下本発明の実施の形態について説明する。
本発明はシラップ漬けまたは調味液漬けの白桃、黄桃、アンズ、サクランボ、リンゴ、ビワ、洋ナシ、和ナシ、柑橘類、マスカット等の容器詰め果実に適用することができる。
Embodiments of the present invention will be described below.
The present invention can be applied to containered fruits such as white peach, yellow peach, apricot, cherry, apple, loquat, pear, Japanese pear, citrus fruit, and muscat, which are pickled with syrup or seasoned.
シラップ漬けに使用するシラップとしては、水に糖類を加えたもの、果実の搾汁に糖類を加えたもの、または水と果実の搾汁の混合液に糖類を加えたもの等通常容器詰め果実に使用されるシラップを使用することができる。また、シラップにクエン酸やアスコルビン酸等を少量添加してもよい。また、調味液やジュース等とともに果実を容器に充填する場合このような調味液やジュースも本明細書においてはシラップに含め、本発明が適用されるものとする。 As syrup used for pickling syrup, it is usually applied to fruit packed in containers such as water added with sugar, fruit juice added with sugar, or water and fruit juice mixed with sugar. The syrup used can be used. A small amount of citric acid, ascorbic acid or the like may be added to syrup. Moreover, when filling a container with a seasoning liquid, juice, etc., such seasoning liquid and juice are also included in syrup in this specification, and this invention shall be applied.
シラップに電気分解還元処理を施して還元力を付与し、この液に含浸される果実にシラップの還元力を作用させるという間接的な方法で果実を還元処理することは本発明の重要な特徴である。 An important feature of the present invention is to reduce the fruit by an indirect method in which syrup is subjected to an electrolytic reduction treatment to give the reducing power, and the reducing power of the syrup acts on the fruit impregnated in the liquid. is there.
電気分解に使用する装置には特に限定はなく、多くの公知の装置の中から対象となる果実やシラップの種類に応じて適当な装置を選択すればよい。たとえば、前記特許文献１の図４に示されるような、カチオン膜隔膜電解槽を使用して電気化学的な還元処理を行う装置等を使用することができる。 The apparatus used for electrolysis is not particularly limited, and an appropriate apparatus may be selected from many known apparatuses according to the type of target fruit or syrup. For example, an apparatus for performing an electrochemical reduction treatment using a cation membrane diaphragm electrolytic cell as shown in FIG. 4 of Patent Document 1 can be used.
容器としては、食缶としては内面塗装缶が好適であり、その他内面樹脂被覆缶、ガラスびん、プラスチック製容器（ボトル、パウチ、カップ、トレー等）、内面樹脂被覆紙製容器、アルミ箔を積層した内面樹脂被覆紙製容器、あるいはこれら容器を構成する材料を適宜組合せた複合材料により構成した容器等も使用することができる。 As the container, an inner surface coated can is suitable as a food can, and other inner surface resin coated cans, glass bottles, plastic containers (bottles, pouches, cups, trays, etc.), inner surface resin coated paper containers, and aluminum foil are laminated. An inner surface resin-coated paper container or a container composed of a composite material obtained by appropriately combining materials constituting these containers can also be used.
内面塗装缶に用いる塗料としては、ポリエステル系塗料、アクリル系塗料、エポキシ−フェノール系塗料、エポキシ−アミノ系塗料、エポキシ−アクリル系塗料等を用いることができる。 As the paint used for the inner surface can, polyester paint, acrylic paint, epoxy-phenol paint, epoxy-amino paint, epoxy-acryl paint, and the like can be used.
内面樹脂被覆缶の被覆樹脂としては、熱可塑性樹脂であるポリエステル系樹脂、ポリカーボネート系樹脂、ポリアミド系樹脂、ポリオレフィン系樹脂、スチレン系樹脂、アクリル系樹脂、あるいはこれらの２種以上の組合せ等を用いることができる。 As the coating resin for the inner surface resin-coated can, a thermoplastic resin such as polyester resin, polycarbonate resin, polyamide resin, polyolefin resin, styrene resin, acrylic resin, or a combination of two or more of these is used. be able to.
プラスチック製容器を使用する場合は、酸素バリヤー性プラスチックまたは酸素吸収性プラスチックからなる容器を使用すれば、酸化防止効果をいっそう高めることができる。 When a plastic container is used, the antioxidant effect can be further enhanced by using a container made of oxygen barrier plastic or oxygen absorbing plastic.
酸素バリヤー性プラスチックとしては、公知の酸素バリヤー性を有する熱可塑性樹脂は、すべて使用することができる。このような樹脂としては、たとえばエチレンービニルアルコール共重合体、ポリアミド、ポリ塩化ビニリデン系樹脂、ポリビニルアルコール、フッ素樹脂等が挙げられるが、焼却処分時に有毒ガスを発生するおそれのない塩素を含まない樹脂を使用することが好ましい。 As the oxygen barrier plastic, all known thermoplastic resins having oxygen barrier properties can be used. Examples of such resins include ethylene-vinyl alcohol copolymers, polyamides, polyvinylidene chloride resins, polyvinyl alcohol, fluororesins, and the like, but do not contain chlorine that does not generate toxic gases during incineration. It is preferable to use a resin.
特に好ましい酸素バリヤー性樹脂としては、エチレン含有量が２０〜６０モル％、特に２５〜５０モル％であるエチレン−酢酸ビニル共重合体を、ケン化度が９６モル％以上、特に９９モル％以上となるようにケン化して得られる共重合体ケン化物が挙げられる。 A particularly preferred oxygen barrier resin is an ethylene-vinyl acetate copolymer having an ethylene content of 20 to 60 mol%, particularly 25 to 50 mol%, and a saponification degree of 96 mol% or more, particularly 99 mol% or more. A saponified copolymer obtained by saponification to give
他の好ましい酸素バリヤー性樹脂としては、炭素数１００個当りのアミド基の数が５〜５０個、特に６〜２０個の範囲にあるポリアミド類、たとえばナイロン６、ナイロン６，６／ナイロン６，６共重合体、メタキシリレンアジパミド（ＭＸ６）、ナイロン６，１０、ナイロン１１、ナイロン１２、ナイロン１３等が挙げられる。 Other preferred oxygen barrier resins include polyamides having a number of amide groups per 100 carbon atoms in the range of 5 to 50, particularly 6 to 20, such as nylon 6, nylon 6,6 / nylon 6, 6 copolymer, metaxylylene adipamide (MX6), nylon 6,10, nylon 11, nylon 12, nylon 13 and the like.
さらに、容器として成形した後、その内面および/または外面に蒸着によりシリカやＤＬＣ等の膜を形成するようにしてもよい。また、パウチ等の場合は、これらの蒸着膜を形成したフイルムを、構成する材料の一部として用いるようにしてもよい。 Furthermore, after forming as a container, a film such as silica or DLC may be formed on the inner surface and / or outer surface by vapor deposition. In the case of a pouch or the like, the film on which these vapor deposition films are formed may be used as a part of the constituent material.
酸素吸収性材料としては、（１）樹脂自体が酸素吸収性を有する樹脂を使用する、もしくは（２）酸素吸収性を有するまたは有しない熱可塑性樹脂中に酸素吸収剤を配合した樹脂組成物を使用することができる。酸素吸収性樹脂組成物（２）を構成する熱可塑性樹脂としては特に制限はなく、酸素バリヤー性を有する熱可塑性樹脂や、酸素バリヤー性を有しない熱可塑性樹脂のいずれもが使用できる。樹脂組成物（２）を構成する熱可塑性樹脂として、樹脂自体が酸素吸収性または酸素バリヤー性を有するものを使用した場合は、酸素吸収剤による酸素吸収効果との組合せにより、容器内部への酸素の侵入を効果的に防止することができるので好ましい。 As the oxygen-absorbing material, (1) the resin itself uses a resin having oxygen-absorbing property, or (2) a resin composition in which an oxygen-absorbing agent is blended in a thermoplastic resin having or not having oxygen-absorbing property. Can be used. There is no restriction | limiting in particular as a thermoplastic resin which comprises an oxygen absorptive resin composition (2), Both the thermoplastic resin which has oxygen barrier property, and the thermoplastic resin which does not have oxygen barrier property can be used. As the thermoplastic resin constituting the resin composition (2), when the resin itself has an oxygen absorbing property or an oxygen barrier property, oxygen in the container is combined with the oxygen absorbing effect of the oxygen absorbent. This is preferable because it can effectively prevent the intrusion of.
樹脂自体が酸素吸収性を有するものとしては、たとえば、樹脂の酸化反応を利用したものが挙げられる。酸化性の有機材料、たとえばポリブタジエン、ポリイソプレン、ポリプロピレン、エチレン−酸化炭素共重合体、６−ナイロン、１２−ナイロン、メタキシリレンジアミン（ＭＸ）ナイロンのようなポリアミド類に、酸化触媒としてコバルト、ロジウム、銅等の遷移金属を含む有機酸塩類や、ベンゾフエノン、アセトフエノン、クロロケトン類のような光増感剤を加えたものが使用できる。これらの酸素吸収材料を使用した場合は、紫外線、電子線のような高エネルギー線を放射することによって、一層の効果を発現させることもできる。 Examples of the resin itself having oxygen absorptivity include those utilizing an oxidation reaction of the resin. Oxidizing organic materials such as polybutadiene, polyisoprene, polypropylene, ethylene-carbon oxide copolymer, polyamides such as 6-nylon, 12-nylon, metaxylylenediamine (MX) nylon, cobalt as an oxidation catalyst, Organic acid salts containing transition metals such as rhodium and copper, and those added with photosensitizers such as benzophenone, acetophenone and chloroketones can be used. When these oxygen absorbing materials are used, further effects can be exhibited by radiating high energy rays such as ultraviolet rays and electron beams.
熱可塑性樹脂中に配合する酸素吸収剤としては、従来この種の用途に使用されている酸素吸収剤はすべて使用できるが、一般には還元性でしかも実質上水に不溶なものが好ましく、その適当な例としては、還元性を有する金属粉、たとえば還元性鉄、還元性亜鉛、還元性錫粉；金属低位酸化物、たとえばＦｅＯ，Ｆｅ３Ｏ４；還元性金属化合物、たとえば炭化鉄、ケイ素鉄、鉄カルボニル、水酸化第一鉄等の一種または二種以上を組み合わせたものを主成分としたものが挙げられる。特に好ましい酸素吸収剤としては、還元性鉄、たとえば鉄鋼の製造工程で得られる酸化鉄をコークスで還元し、生成した海綿鉄を粉砕後、水素ガスや分解アンモニアガス中で仕上還元を行った還元性鉄や、酸洗工程で得られる塩化鉄水溶液から鉄を電解析出させ、粉砕後仕上還元を行った還元性鉄等が挙げられる。 As the oxygen absorbent to be blended in the thermoplastic resin, all the oxygen absorbents conventionally used for this kind of application can be used, but in general, those which are reducing and substantially insoluble in water are preferable. Examples include metal powders having reducibility, such as reductive iron, reductive zinc, reducible tin powder; low metal oxides such as FeO, Fe 3 O 4 ; reducible metal compounds such as iron carbide, silicon iron , Iron carbonyl, ferrous hydroxide, or a combination of two or more thereof. As a particularly preferred oxygen absorbent, reducing iron, for example, iron oxide obtained in the steel production process is reduced with coke, and the resulting sponge iron is pulverized and then subjected to a finish reduction in hydrogen gas or decomposed ammonia gas. And iron that is electrolytically deposited from an aqueous iron chloride solution obtained in the pickling step, and reduced iron after pulverization and finish reduction.
これらの酸素吸収剤は必要に応じて、アルカリ金属、アルカリ土類金属の水酸化物、炭素塩、亜硫酸塩、チオ硫酸塩、第三リン酸塩、第二リン酸塩、有機酸塩、ハロゲン化物等の電解質からなる酸化促進剤や、さらには活性炭、活性アルミナ、活性白土のような助剤とも組合せて使用することができる。特に好ましい酸化促進剤としては、塩化ナトリウム、塩化カルシウムあるいはこれらを組み合わせたもの等が挙げられる。 These oxygen absorbers can be used as needed in alkali metal, alkaline earth metal hydroxides, carbon salts, sulfites, thiosulfates, tertiary phosphates, secondary phosphates, organic acid salts, halogens. It can also be used in combination with an oxidation accelerator comprising an electrolyte such as a chemical compound, and further an auxiliary agent such as activated carbon, activated alumina, activated clay. Particularly preferred oxidation promoters include sodium chloride, calcium chloride, or combinations thereof.
他の酸素促進剤としては、多価フェノールを骨格内に有する高分子化合物、たとえば多価フェノール含有フェノール・アルデヒド樹脂等が挙げられる。さらに、水溶性物質であるアスコルビン酸、エリソルビン酸、トコフエロール類およびこれらの塩類等も好適に使用することができる。これらの酸素吸収性物質の内でも還元性鉄およびアスコルビン酸系化合物が特に好ましい。 Other oxygen promoters include polymer compounds having a polyhydric phenol in the skeleton, such as a polyhydric phenol-containing phenol-aldehyde resin. Furthermore, ascorbic acid, erythorbic acid, tocopherols and salts thereof, which are water-soluble substances, can be suitably used. Of these oxygen-absorbing substances, reducing iron and ascorbic acid compounds are particularly preferable.
また、上記の樹脂自体が酸素吸収性を有する樹脂を、酸素吸収剤として熱可塑性樹脂中に配合してもよい。 Moreover, you may mix | blend the resin in which said resin itself has oxygen absorptivity in a thermoplastic resin as an oxygen absorber.
以下本発明の実施例につき説明する。なお、本発明はこれに限定されるものではない。 Examples of the present invention will be described below. Note that the present invention is not limited to this.
実施例 電気分解還元処理白桃缶詰
白桃を実割り、核除去後、９５℃程度の湯中に５分間浸漬することによりプランチングを行った後、剥皮した。果実の一部をサンプリングし、ＢｒｉｘとｐHを測定し、シラップを最終Ｂｒｉｘ１８、ｐH４弱を目標に、ショ糖とクエン酸等を調合してシラップを調製した。シラップの組成はショ糖２５％、クエン酸０．８％、アスコルビン酸０．０５％であった。
Example Electrolytic reduction treatment White peach canned white peach was actually cracked , and after removing the nucleus, planting was performed by immersing in hot water at about 95 ° C. for 5 minutes, and then peeled. A part of the fruit was sampled, Brix and pH were measured, and sucrose was prepared by mixing sucrose and citric acid and so on with the aim of final brix18 and a little lower pH4. The composition of syrup was 25% sucrose, 0.8% citric acid, and 0.05% ascorbic acid.
このシラップに対して、図１に模式的に示す実験装置を使用して電気分解還元処理を施した。この電気分解装置のイオン隔膜としては、旭硝子株式会社製のセレミオン（商標）を使用した。これは、膜の微細孔にマイナスまたはプラス荷電を帯びた官能基が固定されたもので、固定電荷と同荷電のイオンの膜内の透過が阻害されるため、透過イオンの選択性が得られるものである。 The syrup was subjected to an electrolytic reduction treatment using an experimental apparatus schematically shown in FIG. As an ion diaphragm of this electrolyzer, Selemion (trademark) manufactured by Asahi Glass Co., Ltd. was used. This is a membrane in which negative or positively charged functional groups are fixed in the micropores of the membrane, and permeation of ions having the same charge as the fixed charge through the membrane is inhibited, so that permeation ion selectivity can be obtained. Is.
この装置を使用して元の酸化還元電位（ORP）がおよそ＋２００ｍVであったシラップの一部に電気分解還元処理を施し、酸化還元電位を−５０ｍV以下としたものを調製した。 Using this apparatus, a part of syrup having an original oxidation-reduction potential (ORP) of about +200 mV was subjected to electrolysis reduction treatment to prepare an oxidation-reduction potential of −50 mV or less.
容器として４号缶の内面塗装缶を使用し、固形量（白桃）２７５ｇ、シラップ１６０ｇを充填した。バキュームシーマーで巻締め後、９５℃で３０分間殺菌処理を施し、サンプルを完成させた。 The inner can of No. 4 can was used as a container, and it was filled with 275 g of solid (white peach) and 160 g of syrup. After winding with a vacuum seamer, sterilization was performed at 95 ° C. for 30 minutes to complete the sample.
このサンプルを室温で１ヶ月保存後、開缶して内容物を評価した結果、果実の色は自然な色であり，風味は自然な風味で実用上良好なものであることが判った。 The sample was stored at room temperature for 1 month, opened, and the contents were evaluated. As a result, it was found that the color of the fruit was a natural color and the flavor was a natural flavor and practically good.
比較例１
容器としてプレーン缶を使用し、シラップに対して電気分解還元処理を施さなかった以外は実施例と同一方法により白桃缶詰を製造し、内容物の評価を行った。その結果、果肉の色は白く良好であり、風味もおおむね良好であるが錫の味わいが感じられた。
Comparative Example 1
White canned cans were produced by the same method as in the Examples except that plain cans were used as containers and the syrup was not electrolyzed and reduced, and the contents were evaluated. As a result, the color of the pulp was white and good, and the taste was generally good, but the taste of tin was felt.
比較例２
容器として内面塗装缶を使用し、シラップに対して電気分解還元処理を施さなかった以外は実施例と同一方法により白桃缶詰を製造し、内容物の評価を行った。その結果、果肉の色はやや変色しており、風味は酸化劣化が感じられた。
Comparative Example 2
White peach cans were produced by the same method as in Example, except that an inner-coated can was used as a container and syrup was not subjected to electrolytic reduction treatment, and the contents were evaluated. As a result, the color of the pulp was slightly discolored, and the flavor felt oxidative degradation.
以上の結果から、シラップに電気分解還元処理を施すことにより、内面塗装缶を使用しても実用上充分な品質の果実缶詰を製造できることが確認された。 From the above results, it was confirmed that by applying an electrolytic reduction treatment to syrup, fruit cans of practically sufficient quality can be produced even if an inner surface coated can is used.
Claims (5)
4. The method for producing fruit stuffed in a container according to claim 3, wherein the plastic container is made of an oxygen barrier or oxygen absorbing plastic.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007325502A (en) * | 2006-06-06 | 2007-12-20 | Daitsu:Kk | Method for producing pack of watermelon flesh |
| CN110037266A (en) * | 2019-05-29 | 2019-07-23 | 宜昌海通食品有限公司 | A kind of processing technology of lemon can |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007325502A (en) * | 2006-06-06 | 2007-12-20 | Daitsu:Kk | Method for producing pack of watermelon flesh |
| CN110037266A (en) * | 2019-05-29 | 2019-07-23 | 宜昌海通食品有限公司 | A kind of processing technology of lemon can |
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