JPH05199836A - Freshness keeping agent - Google Patents
Freshness keeping agentInfo
- Publication number
- JPH05199836A JPH05199836A JP3420392A JP3420392A JPH05199836A JP H05199836 A JPH05199836 A JP H05199836A JP 3420392 A JP3420392 A JP 3420392A JP 3420392 A JP3420392 A JP 3420392A JP H05199836 A JPH05199836 A JP H05199836A
- Authority
- JP
- Japan
- Prior art keywords
- freshness
- compound
- hydrosilylation catalyst
- retaining agent
- hydrosilyl group
- 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.)
- Granted
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、青果物や花弁類などか
ら発生するエチレンを除去することによって、青果物や
花弁類などの鮮度を保持するために使用される鮮度保持
剤に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a freshness-retaining agent used for maintaining freshness of fruits and vegetables and petals by removing ethylene generated from fruits and petals.
【０００２】[0002]
【従来の技術】従来より、青果物や花弁類から発生する
エチレンを除去することによって、これらの鮮度を保持
することができることが知られており、このようなエチ
レンを除去するためのエチレン除去剤としては、次亜塩
素酸塩（特開昭６３−１９８９３８号公報）、亜塩素酸
塩（特開昭５９−３９２４３号公報）等が提案されてい
る。2. Description of the Related Art Conventionally, it has been known that the freshness of fruits and petals can be retained by removing ethylene, and as an ethylene remover for removing such ethylene. For example, hypochlorite (JP-A-63-198938), chlorite (JP-A-59-39243), and the like have been proposed.
【０００３】[0003]
【発明が解決しようとする課題】しかし、これらの化合
物はエチレンの吸着速度が遅いという問題があるだけで
なく、反応により有害な塩化物が発生し、青果物や花弁
類の鮮度保持剤として好ましくないという問題もあっ
た。However, these compounds not only have a problem that the adsorption rate of ethylene is slow, but also generate harmful chlorides by the reaction, which is not preferable as a freshness-retaining agent for fruits and vegetables. There was also a problem.
【０００４】本発明は上記事情に鑑みなされたもので、
エチレンの吸着速度が速く、しかも塩化物などの有害物
を発生しない青果物や花弁類等の鮮度保持剤を提供する
ことを目的とする。The present invention has been made in view of the above circumstances.
An object of the present invention is to provide a freshness-retaining agent for fruits and vegetables, petals, etc., which has a high ethylene adsorption rate and does not generate harmful substances such as chlorides.
【０００５】[0005]
【課題を解決するための手段及び作用】本発明者は、上
記目的を達成すべく、有毒物を発生させないで青果物な
どから発生するエチレンを速やかに除去する方法を検討
した結果、ヒドロシリル基を有する化合物とヒドロシリ
レーション触媒とを含有してなる組成物が鮮度保持剤と
して有効であることを知見した。Means for Solving the Problems To achieve the above object, the present inventor has investigated a method for rapidly removing ethylene generated from fruits and vegetables without generating toxic substances, and as a result, has a hydrosilyl group. It has been found that a composition containing a compound and a hydrosilylation catalyst is effective as a freshness-retaining agent.
【０００６】即ち、ヒドロシリル基（≡ＳｉーＨ）を有
する化合物は、例えば下記反応により白金などのヒドロ
シリレーション触媒の存在下でエチレンと容易に付加反
応し、エチレンの吸着速度が速く、しかも付加反応であ
るので塩化物などの有害物を発生させることもなく、り
んごなどの鮮度を有効に保持できることを見い出し、本
発明をなすに至ったものである。That is, a compound having a hydrosilyl group (≡Si-H) easily undergoes an addition reaction with ethylene in the presence of a hydrosilylation catalyst such as platinum by the following reaction, has a high adsorption rate of ethylene, and has an addition property. Since it is a reaction, it has been found that the freshness of apples and the like can be effectively retained without generating harmful substances such as chlorides, and the present invention has been completed.
【０００７】[0007]
【化１】 [Chemical 1]
【０００８】従って、本発明は、ヒドロシリル基を有す
る化合物とヒドロシリレーション触媒とを含有してなる
鮮度保持剤を提供する。Therefore, the present invention provides a freshness-retaining agent containing a compound having a hydrosilyl group and a hydrosilylation catalyst.
【０００９】以下、本発明について更に詳しく説明する
と、本発明の鮮度保持剤は、上述したようにヒドロシリ
ル基を有する化合物とヒドロシリレーション触媒とを含
有してなるものである。The present invention will be described in more detail below. The freshness-retaining agent of the present invention contains a compound having a hydrosilyl group and a hydrosilylation catalyst as described above.
【００１０】ここで、ヒドロシリル基を有する化合物と
しては、例えばテトラメチルテトラシロキサン、ペンタ
メチルペンタシロキサン、トリエトキシシラン、ジメチ
ルジシロキサンなどの低分子シロキサン化合物；下記式
（１）で示されるシロキサンポリマーなどを挙げること
ができる。Examples of the compound having a hydrosilyl group include low molecular siloxane compounds such as tetramethyltetrasiloxane, pentamethylpentasiloxane, triethoxysilane and dimethyldisiloxane; siloxane polymers represented by the following formula (1), etc. Can be mentioned.
【００１１】[0011]
【化２】 （但し、式中Ｒは１価炭化水素基、ｎは２以上の整数で
ある。）[Chemical 2] (However, in the formula, R is a monovalent hydrocarbon group, and n is an integer of 2 or more.)
【００１２】また、ヒドロシリレーション触媒として
は、第８族に属する金属及びこれらの化合物が好適に使
用でき、例えば白金、ロジウム（Ｒｈ）、ルテニウム
（Ｒｕ）等の化合物、具体的にはＨ2ＰｔＣｌ6、ＰｔＣ
ｌ2〔Ｐ（Ｃ6Ｈ5）3〕2、ＲｈＣｌ〔Ｐ（Ｃ
6Ｈ5）3〕3、ＲｕＣｌ2〔Ｐ（Ｃ6Ｈ5）3〕3などが例示
される。ヒドロシリレーション触媒の使用量は、上記ヒ
ドロシリル基を有する化合物に対し、金属化合物として
１０〜２０００ｐｐｍの範囲とすることが好ましい。As the hydrosilylation catalyst, metals belonging to Group 8 and their compounds can be preferably used. For example, compounds such as platinum, rhodium (Rh) and ruthenium (Ru), specifically H 2 PtCl 6 , PtC
l 2 [P (C 6 H 5 ) 3 ] 2 , RhCl [P (C
6 H 5) 3] 3, such as RuCl 2 [P (C 6 H 5) 3] 3 are exemplified. The amount of the hydrosilylation catalyst used is preferably in the range of 10 to 2000 ppm as a metal compound with respect to the compound having a hydrosilyl group.
【００１３】本発明の鮮度保持剤は、上記ヒドロシリル
基を有する化合物とヒドロシリレーション触媒とを含有
するものであるが、これらの必須成分に加えて他のシロ
キサン化合物や他の金属化合物、特に脱酸素剤等を配合
しても差し支えない。The freshness-retaining agent of the present invention contains the above-mentioned compound having a hydrosilyl group and a hydrosilylation catalyst. There is no problem even if an oxygen agent or the like is added.
【００１４】本発明の鮮度保持剤はそのまま使用するこ
とも可能であるが、多孔性物質に担持させることが有効
である。上記多孔性物質としては、例えば活性炭、アル
ミナ、シリカ、シリカーアルミナ、珪藻土、織布、不織
布、スポンジなどが挙げられる。この場合、本発明の鮮
度保持剤の担持量は、２〜８０重量％程度とすることが
好ましい。担持させる際、本発明の鮮度保持剤を流動パ
ラフィンやシリコーンオイルのような希釈剤に溶解させ
たり、トルエン等の溶剤に溶解し、この溶液を多孔性物
質に噴霧等して混合し、必要により乾燥することによ
り、担持させることができる。The freshness-retaining agent of the present invention can be used as it is, but it is effective to support it on a porous material. Examples of the porous material include activated carbon, alumina, silica, silica-alumina, diatomaceous earth, woven cloth, non-woven cloth, sponge and the like. In this case, the carried amount of the freshness-retaining agent of the present invention is preferably about 2 to 80% by weight. At the time of loading, the freshness-retaining agent of the present invention is dissolved in a diluent such as liquid paraffin or silicone oil, or dissolved in a solvent such as toluene, and this solution is sprayed onto a porous material to mix, and if necessary. It can be supported by drying.
【００１５】使用形態としては、本発明の鮮度保持剤を
ガス透過性の袋に入れたり、容器に内部と連通した一定
の区画を設けてここに収納する方法などがある。Examples of the usage form include a method of putting the freshness-retaining agent of the present invention in a gas-permeable bag or a method in which a certain compartment communicating with the inside is provided in the container and stored therein.
【００１６】[0016]
【実施例】以下、実施例を示して本発明を具体的に説明
するが、本発明は下記の実施例に制限されるものではな
い。EXAMPLES The present invention will be specifically described below with reference to examples, but the present invention is not limited to the following examples.
【００１７】［実施例１］下記式（ａ）で示されるメチ
ルシロキサンポリマー（重合度ｎ＝５０）５ｇと塩化白
金酸（Ｈ2ＰｔＣｌ6）の０．５％トルエン溶液５．０ｇ
との混合液を約３００μｍの粒状活性炭５ｇと撹拌混合
することによって担持させ、鮮度保持剤を調製した。Example 1 5 g of a methyl siloxane polymer represented by the following formula (a) (degree of polymerization n = 50) and 5.0 g of a 0.5% toluene solution of chloroplatinic acid (H 2 PtCl 6 ).
A freshness-retaining agent was prepared by mixing and stirring 5 g of granular activated carbon having a particle size of about 300 μm with the mixed solution.
【００１８】[0018]
【化３】 [Chemical 3]
【００１９】得られた鮮度保持剤１ｇを内容積３００ｍ
ｌの容器に入れ、これにエチレンガス０．５６ｍｌ（２
０００ｐｐｍ相当）を注入した。２０℃の条件下で一定
時間毎にマイクロシリンジにて容器内のガスを採取し、
ＦＩＤガスクロマトグラフにてエチレン濃度を測定し
た。1 g of the obtained freshness-retaining agent was added to an internal volume of 300 m.
Place it in a 1-liter container and add 0.56 ml (2
000 ppm) was injected. Collect the gas in the container with a microsyringe at regular intervals under the condition of 20 ° C,
The ethylene concentration was measured with a FID gas chromatograph.
【００２０】この結果、エチレンはヒドロシリレーショ
ンにより速やかに除去され、容器内のエチレン濃度は、
３０分後に１１ｐｐｍ、１時間後には０ｐｐｍになっ
た。As a result, ethylene is rapidly removed by hydrosilylation, and the ethylene concentration in the container is
It became 11 ppm after 30 minutes and 0 ppm after 1 hour.
【００２１】［実施例２］テトラメチルシロキサン５ｇ
とクロロトリスフェニルホスフィノロジウム｛ＲｈＣｌ
〔Ｐ（Ｃ6Ｈ5）3〕3｝ ３ｍｇと流動パラフィン５ｇの混
合液を粉末シリカ３ｇと撹拌混合することによって鮮度
保持剤を調製した。Example 2 Tetramethylsiloxane 5 g
And chlorotrisphenylphosphinorhodium {RhCl
[P (C6HFive)3]3} Mixing 3mg and liquid paraffin 5g
Freshness was obtained by stirring and mixing the mixed solution with 3 g of powdered silica.
A retentate was prepared.
【００２２】得られた鮮度保持剤１ｇを使用し、実施例
１と全く同様にしてエチレン除去実験を行ったところ、
容器内のエチレン濃度は、３０分後に１３ｐｐｍ、１時
間後には０ｐｐｍになった。An ethylene removal experiment was conducted in the same manner as in Example 1 using 1 g of the freshness-retaining agent thus obtained.
The ethylene concentration in the container was 13 ppm after 30 minutes and 0 ppm after 1 hour.
【００２３】［実施例３］実施例１で調製した鮮度保持
剤１ｇを紙袋にパックし、リンゴ（品種：つがる）５個
と共にポリ袋に密封し、室温に４０日間保存した。対照
として鮮度保持剤を使用しなかったものも同様にテスト
して比較した。Example 3 1 g of the freshness preserving agent prepared in Example 1 was packed in a paper bag, sealed in a plastic bag together with 5 apples (variety: Tsugaru), and stored at room temperature for 40 days. As a control, the one without the freshness-retaining agent was also tested and compared.
【００２４】この結果、鮮度保持剤を使用しなかったも
のは“ボケ”を生じ、新鮮さを完全に失っていたのに対
し、本発明の鮮度保持剤を使用したものは新鮮な味を保
っていた。As a result, those which did not use the freshness-retaining agent caused "blurring" and lost their freshness completely, whereas those which used the freshness-retaining agent of the present invention maintained a fresh taste. Was there.
【００２５】[0025]
【発明の効果】以上説明したように、本発明の鮮度保持
剤は、エチレンの吸着速度が速く、しかも塩化物等の有
害物の発生もないので、青果物や花弁類等の鮮度保持に
有効である。As described above, since the freshness-retaining agent of the present invention has a high ethylene adsorption rate and does not generate harmful substances such as chlorides, it is effective in maintaining freshness of fruits and vegetables and petals. is there.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 荒井 正俊 群馬県碓氷郡松井田町大字人見１番地10 信越化学工業株式会社シリコーン電子材料 技術研究所内 (72)発明者 斉藤 樹 新潟県中頸城郡頸城村大字西福島28−１ 信越化学工業株式会社合成技術研究所内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Masatoshi Arai Masatoshi Arai 1 Hitomi, Osamu, Matsuida-cho, Usui-gun, Gunma Shin-Etsu Chemical Co., Ltd. Silicone Electronic Materials Research Laboratory (72) Inventor Saito Ju 28-1 Nishi-Fukushima, Muradai, Shin-Etsu Chemical Co., Ltd.
Claims (2)
シリレーション触媒とを含有してなる鮮度保持剤。1. A freshness-retaining agent comprising a compound having a hydrosilyl group and a hydrosilylation catalyst.
載の鮮度保持剤。2. The freshness-retaining agent according to claim 1, which is supported on a porous substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3420392A JP2897514B2 (en) | 1992-01-23 | 1992-01-23 | Freshness preservative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3420392A JP2897514B2 (en) | 1992-01-23 | 1992-01-23 | Freshness preservative |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05199836A true JPH05199836A (en) | 1993-08-10 |
| JP2897514B2 JP2897514B2 (en) | 1999-05-31 |
Family
ID=12407607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3420392A Expired - Fee Related JP2897514B2 (en) | 1992-01-23 | 1992-01-23 | Freshness preservative |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2897514B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001006248A2 (en) * | 1999-06-29 | 2001-01-25 | Carrier Corporation | Biosensors for monitoring air conditioning and refrigeration processes |
| JP2021516648A (en) * | 2018-03-12 | 2021-07-08 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ | Composition |
-
1992
- 1992-01-23 JP JP3420392A patent/JP2897514B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001006248A2 (en) * | 1999-06-29 | 2001-01-25 | Carrier Corporation | Biosensors for monitoring air conditioning and refrigeration processes |
| WO2001006248A3 (en) * | 1999-06-29 | 2001-05-10 | Carrier Corp | Biosensors for monitoring air conditioning and refrigeration processes |
| US6471136B1 (en) | 1999-06-29 | 2002-10-29 | Carrier Corporation | Biosensors for monitoring air conditioning and refrigeration processes |
| JP2021516648A (en) * | 2018-03-12 | 2021-07-08 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ | Composition |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2897514B2 (en) | 1999-05-31 |
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