JP2005104961A - Cut flower freshness-maintaining agent - Google Patents

Cut flower freshness-maintaining agent Download PDF

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JP2005104961A
JP2005104961A JP2004103298A JP2004103298A JP2005104961A JP 2005104961 A JP2005104961 A JP 2005104961A JP 2004103298 A JP2004103298 A JP 2004103298A JP 2004103298 A JP2004103298 A JP 2004103298A JP 2005104961 A JP2005104961 A JP 2005104961A
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freshness
cut flower
maintaining
flower freshness
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Yorio Sugimura
順夫 杉村
Hiromi Wada
洋巳 和田
Kazuyuki Ikeyama
和幸 池山
Kenji Onaka
憲治 大仲
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KYOUTO BIOMEDICAL SCIENCE KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a dormant type freshness-maintaining agent having completely different concept to conventional freshness-maintaining agents, capable of maintaining the color of petals for a long period most beautifully by inhibiting metabolic reactions in the plant body and delaying the blooming speed. <P>SOLUTION: This cut flower freshness-maintaining agent consists of an aqueous solution containing 0.01-1.5 ppm 6-benzylaminopurine and 50-500 ppm potassium alum, an effective amount of a sugar such as preferably fructose, trehalose, etc., and an aromatizing agent having an aroma-therapeutic effect such as a herb aromatic, and a silver salt may be not added or sufficient by a very small amount if at all added. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は、切り花鮮度保持剤に属し、バラの鮮度を保持するのに好適に利用されうる。   The present invention belongs to a cut flower freshness-keeping agent, and can be suitably used for keeping the freshness of roses.

特開平11−12101号Japanese Patent Laid-Open No. 11-12101 特開平 7−89801号 従来より、切り花の鮮度を長期間保持するために、糖類、金属塩類、植物ホルモン等を配合した鮮度保持剤が種々提案されている。例えば、糖、カリウム塩及びアルミニウムもしくは亜鉛の塩からなる鮮度保持剤(特許文献1)が提案され、美咲(登録商標)と称して市販されている。JP, 7-89801, A In the past, in order to keep the freshness of cut flowers for a long period of time, various freshness-keeping agents containing saccharides, metal salts, plant hormones and the like have been proposed. For example, a freshness-keeping agent (Patent Document 1) composed of sugar, potassium salt and aluminum or zinc salt has been proposed and is marketed as Misaki (registered trademark).

しかし、特許文献1に記載の鮮度保持剤では、切り花の成長速度が促進され、細胞分裂が活性化されているために、日数の経過に伴って花弁が大きくなるとともに単位細胞面積当たりの色素量が減少し、花弁が本来有する色よりも薄くなってしまう。
それ故、この発明の課題は、従来の鮮度保持剤とは全く異なるコンセプトを有し、植物体内の代謝反応を抑制し開花速度を遅らせることにより、花弁の色を長期間に亘って最も美しく保つことのできる休眠型の鮮度保持剤を提供することにある。
However, in the freshness-keeping agent described in Patent Document 1, since the growth rate of cut flowers is promoted and cell division is activated, the petal increases with the passage of days and the amount of pigment per unit cell area Will be reduced and lighter than the original color of the petals.
Therefore, the object of the present invention is to keep the petal color most beautiful over a long period of time by having a completely different concept from conventional freshness-keeping agents and suppressing the metabolic reaction in the plant body and delaying the flowering speed. An object of the present invention is to provide a dormant type freshness-preserving agent that can be used.

その課題を解決するために、この発明の切り花鮮度保持剤は、6−ベンジルアミノプリン0.01〜1.5ppm好ましくは0.1〜1ppm、及びカリウムミョウバンKAl(SO4)2・12H2O50〜500ppm好ましくは75〜300ppmを含有することを特徴とする。
6−ベンジルアミノプリン(以下、BAという。)は、植物ホルモンの一種であるサイトカインと類似の作用を示す植物成長剤である。従って、環境を汚染することなく花の鮮度を保持することができる。但し、その含有量が0.01ppmに満たないとその作用に乏しく、1.5ppmを超えると成長を促進しすぎる。1ppm未満が好ましい。カリウムミョウバンは色素固定作用を有するとともにカリウムの供給源となる。
本発明鮮度保持剤において、前記水溶液が更に有効量の糖を含むと、鮮度保持期間が延びる。例えばトレハロースとフルクトースを含むと好ましい。トレハロースは、細胞保存作用を有する。トレハロースとしては、天然に存在するα,α−トレハロースが好ましい。フルクトースはトレハロースと同じく糖類であるが、トレハロースと異なり栄養源として他の糖に勝って作用する。
In order to solve the problem, the cut flower freshness maintaining agent of the present invention comprises 6-benzylaminopurine 0.01-1.5 ppm, preferably 0.1-1 ppm, and potassium alum KAl (SO 4 ) 2 .12H 2 O50. -500 ppm, preferably 75-300 ppm.
6-Benzylaminopurine (hereinafter referred to as BA) is a plant growth agent that exhibits a similar action to a cytokine that is a kind of plant hormone. Therefore, the freshness of the flowers can be maintained without polluting the environment. However, if its content is less than 0.01 ppm, its action is poor, and if it exceeds 1.5 ppm, growth is promoted too much. Less than 1 ppm is preferred. Potassium alum has a pigment fixing action and is a source of potassium.
In the freshness-keeping agent of the present invention, when the aqueous solution further contains an effective amount of sugar, the freshness-keeping period is extended. For example, it preferably contains trehalose and fructose. Trehalose has a cell preserving action. As trehalose, naturally occurring α, α-trehalose is preferable. Fructose is a saccharide like trehalose, but unlike trehalose, it acts as a nutrient source over other sugars.

この発明の鮮度保持剤によれば、従来の鮮度保持剤よりも切り花の鮮度を長く保持することができるうえ、花の成長速度を遅らせることができるので、長期間観察を楽しむことができて有益である。
また、本発明の一態様によれば、切り花を生ける時にアロマテラピー効果を有する香気成分が揮散し鑑賞者をリラックスさせることができる。
According to the freshness-keeping agent of the present invention, the freshness of cut flowers can be kept longer than that of conventional freshness-keeping agents, and the growth rate of the flowers can be delayed. It is.
Further, according to one embodiment of the present invention, when a cut flower is laid, an aroma component having an aromatherapy effect is volatilized and the viewer can be relaxed.

この発明でいうアロマテラピー効果のある芳香剤は、ラベンダー、ユーカリ、ペパーミント、ベルガモット、ティートリー、マージョラム、カモマイル、メリッサ、ローズマリー、ジャスミンなどのハーブ香料が挙げられる。
上記香料で有れば、天然香料、合成香料、もしくはそれらの調合品のいずれでもよい。香料の形態に関してはオイル、エッセンス、水溶性粉末の形態が望ましい。水溶性粉末の製造法は適当な賦形剤、例えばデキストリン、シクロデキストリン、デンプンなどを加えて噴霧乾燥あるいは真空乾燥などの手段により乾燥・粉末化し水溶性粉末を得ることができる。具体的には、必要量の水にシクロデキストリンを溶解し、香料の中に加える。この混合液にグリセリンなどの乳化安定剤を加えてホモジナイザーあるいはコロイドミルなどで均一化させた後、ノズル式噴霧乾燥機を用いて噴霧乾燥してできる。
Examples of the aromatic agent having an aromatherapy effect in the present invention include herb flavors such as lavender, eucalyptus, peppermint, bergamot, tea tree, marjoram, camomile, melissa, rosemary, and jasmine.
If it is the said fragrance | flavor, any of a natural fragrance | flavor, a synthetic | combination fragrance | flavor, or those preparations may be sufficient. Regarding the form of the fragrance, the form of oil, essence or water-soluble powder is desirable. The water-soluble powder can be produced by adding an appropriate excipient such as dextrin, cyclodextrin, starch, etc. and drying and powdering by means of spray drying or vacuum drying to obtain a water-soluble powder. Specifically, cyclodextrin is dissolved in the required amount of water and added to the perfume. An emulsion stabilizer such as glycerin is added to the mixed solution and the mixture is homogenized with a homogenizer or a colloid mill, and then spray dried using a nozzle spray dryer.

さらに本発明の切り花鮮度保持剤には、発明効果の損なわない範囲の濃度でpH調整剤、殺菌剤、有機溶媒、界面活性剤を併用することができる。pH調整剤としてはクエン酸、クエン酸水素二ナトリウム、クエン酸水素二カリウム、クエン酸三カリウム等が挙げられる。殺菌剤としては、8−ヒドロキシキノリンクエン酸塩や硫酸塩、塩化ベンザルコニウム等の4級アンモニウム、次亜塩素酸ナトリウム等の塩素系化合物、硝酸銀、硫酸アルミニウム等が挙げられる。有機溶媒としてはメタノール、エタノールなどのアルコール等が挙げられる。界面活性剤としては、ポリオキシエチレンソルビタンモノラウレートなどの非イオン界面活性剤等が挙げられる。   Furthermore, the cut flower freshness-keeping agent of the present invention can be used in combination with a pH adjuster, a bactericidal agent, an organic solvent, and a surfactant at a concentration within a range not impairing the effects of the invention. Examples of the pH adjuster include citric acid, disodium hydrogen citrate, dipotassium hydrogen citrate, and tripotassium citrate. Examples of the disinfectant include 8-hydroxyquinoline enoate, sulfate, quaternary ammonium such as benzalkonium chloride, chlorine compounds such as sodium hypochlorite, silver nitrate, aluminum sulfate, and the like. Examples of the organic solvent include alcohols such as methanol and ethanol. Examples of the surfactant include nonionic surfactants such as polyoxyethylene sorbitan monolaurate.

市場から仕入れたバラ(ローテローゼ)を切断して茎の長さ30cmに統一し、20℃で水道水に浸した。翌日、水道水を溶媒として下記の例の組成となるように調整した溶液を300mlずつ容器毎にわけてビーカーにいれ、それらの各々に上記の花を一輪ずつ挿した。いずれの溶液も同じ条件で2本ずつ平行して実施した。評価は2本のスコアを平均して表した。   Roses (rotellose) purchased from the market were cut to a uniform stem length of 30 cm and immersed in tap water at 20 ° C. On the next day, 300 ml of a solution adjusted to have the composition of the following example using tap water as a solvent was divided into containers and placed in a beaker, and one flower was inserted into each of them. Each solution was carried out in parallel under the same conditions. The evaluation was expressed by averaging two scores.

一輪挿しを20℃の室内に放置し、蛍光灯により1日24時間連続照射し、茎の傾き及び花弁の収縮度を観察した。5日目、7日目、14日目及び20日目の状況を表1に示す。空欄は、花が完全に枯れたので観察を中止したことを意味する。   One wheel insert was left in a room at 20 ° C., and irradiated continuously with a fluorescent lamp for 24 hours a day, and the inclination of the stem and the degree of contraction of the petals were observed. Table 1 shows the conditions on the 5th, 7th, 14th and 20th days. A blank means that the observation was stopped because the flower was completely withered.

比較例1:水道水のみ
比較例2:美咲(登録商標)の50倍希釈液
比較例3(BAなし):ミョウバン100ppm、トレハロース0.5%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀1ppm
比較例4(BA過剰):6−ベンジルアミノプリン2ppm、ミョウバン100 ppm、トレハロース0.5%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀1ppm
比較例5(ミョウバンなし):6−ベンジルアミノプリン0.2ppm、トレハロース0.5%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀1ppm
Comparative example 1: Only tap water Comparative example 2: Misaki (registered trademark) 50-fold diluted comparative example 3 (without BA): alum 100 ppm, trehalose 0.5%, fructose 1%, dipotassium hydrogen citrate 400 ppm, sulfuric acid Silver 1ppm
Comparative Example 4 (BA excess): 6-benzylaminopurine 2 ppm, alum 100 ppm, trehalose 0.5%, fructose 1%, dipotassium hydrogen citrate 400 ppm, silver sulfate 1 ppm
Comparative Example 5 (without alum): 6-benzylaminopurine 0.2 ppm, trehalose 0.5%, fructose 1%, dipotassium hydrogen citrate 400 ppm, silver sulfate 1 ppm

実施例1:6−ベンジルアミノプリン0.2ppm、ミョウバン100 ppm、トレハロース0.5%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀1ppm
実施例2:6−ベンジルアミノプリン0.2ppm、ミョウバン100 ppm、トレハロース0.5%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀1ppm、ペパーミント0.1%
実施例3(銀なし):6−ベンジルアミノプリン0.2ppm、ミョウバン100ppm、トレハロース0.01%、フルクトース1%、クエン酸水素二カリウム400ppm
実施例4(銀少ない):6−ベンジルアミノプリン0.2ppm、ミョウバン100ppm、トレハロース0.01%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀0.1ppm
実施例5(ミョウバン低濃度):6−ベンジルアミノプリン0.2ppm、ミョウバン50ppm、トレハロース0.5%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀0.1ppm、エタノール0.5%
実施例6(ミョウバン高濃度):6−ベンジルアミノプリン0.2ppm、ミョウバン300ppm、トレハロース0.5%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀0.1ppm、エタノール0.5%
実施例7(BA高濃度):6−ベンジルアミノプリン1ppm、ミョウバン100ppm、トレハロース0.5%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀0.1ppm、エタノール0.5%
対照:トレハロース0.5%、フルクトース1%、クエン酸水素二カリウム400ppm、硫酸銀1ppm
Example 1: 6-benzylaminopurine 0.2 ppm, alum 100 ppm, trehalose 0.5%, fructose 1%, dipotassium hydrogen citrate 400 ppm, silver sulfate 1 ppm
Example 2: 6-benzylaminopurine 0.2 ppm, alum 100 ppm, trehalose 0.5%, fructose 1%, dipotassium hydrogen citrate 400 ppm, silver sulfate 1 ppm, peppermint 0.1%
Example 3 (without silver): 6-benzylaminopurine 0.2 ppm, alum 100 ppm, trehalose 0.01%, fructose 1%, dipotassium hydrogen citrate 400 ppm
Example 4 (low silver): 6-benzylaminopurine 0.2 ppm, alum 100 ppm, trehalose 0.01%, fructose 1%, dipotassium hydrogen citrate 400 ppm, silver sulfate 0.1 ppm
Example 5 (low alum concentration): 6-benzylaminopurine 0.2 ppm, alum 50 ppm, trehalose 0.5%, fructose 1%, dipotassium hydrogen citrate 400 ppm, silver sulfate 0.1 ppm, ethanol 0.5%
Example 6 (high alum concentration): 6-benzylaminopurine 0.2 ppm, alum 300 ppm, trehalose 0.5%, fructose 1%, dipotassium hydrogen citrate 400 ppm, silver sulfate 0.1 ppm, ethanol 0.5%
Example 7 (BA high concentration): 6-benzylaminopurine 1 ppm, alum 100 ppm, trehalose 0.5%, fructose 1%, dipotassium hydrogen citrate 400 ppm, silver sulfate 0.1 ppm, ethanol 0.5%
Controls: trehalose 0.5%, fructose 1%, dipotassium hydrogen citrate 400 ppm, silver sulfate 1 ppm

Figure 2005104961
花弁の付け根の部分の傾き:1・完全に傾く、2・やや傾く、3・変化なし
収縮度:1・完全に収縮、2・やや収縮、3・変化なし
Figure 2005104961
Inclination of petal root: 1 ・ Slightly tilted 2 ・ Slightly tilted 3 ・ No change shrinkage: 1 ・ Fully contracted, 2 ・ Slightly contracted, 3 ・ No change

表に見られるように、本発明に属する実施例1、2、4はいずれも市販の鮮度保持剤からなる比較例2よりも鮮度保持効果が優れていた。実施例3は比較例2、3、5よりも劣っているものの、環境を害する硫酸銀を含有しなくてもこれだけの鮮度保持効果を有しており、この実施例3に僅か0.1ppmの硫酸銀を添加した実施例4がどの比較例よりも優れていることからすると6−ベンジルアミノプリンの効果が顕著であることは明らかである。また、実施例3,5〜7は、鮮度保持効果に関しては比較例2、3、5と同等であるが、硫酸銀を微量しか含まず、環境を害さない点で優れている。比較例4では鮮度保持効果が認められなかった。
また、比較例2を用いた一輪挿しは、開花すると花弁の中心が開き、外側の花弁の色が深紅色で、中心付近はピンク色になるなど色調が不均一であった。これに対して、実施例は花弁の中心が渦を巻いた状態に維持され、色も均一な深紅色であった。
アロマテラピー効果について実施例2では、10人のパネラーに1時間香りを嗅いでもらったところ、10人全員が精神的にリラックスしたとの判定を下した。
As can be seen from the table, Examples 1, 2, and 4 belonging to the present invention were more excellent in the freshness retention effect than Comparative Example 2 made of a commercially available freshness-keeping agent. Although Example 3 is inferior to Comparative Examples 2, 3, and 5, it has such a freshness retaining effect even without containing silver sulfate that harms the environment. From the fact that Example 4 to which silver sulfate was added was superior to any of the comparative examples, it is clear that the effect of 6-benzylaminopurine is remarkable. Examples 3 and 5 to 7 are equivalent to Comparative Examples 2, 3, and 5 in terms of the freshness maintaining effect, but are excellent in that they contain only a small amount of silver sulfate and do not harm the environment. In Comparative Example 4, the effect of maintaining freshness was not recognized.
Further, in the single-wheel insertion using the comparative example 2, when the flower was opened, the center of the petal opened, the color of the outer petal was deep red, and the color near the center was pink. In contrast, in the example, the center of the petal was maintained in a spiral state, and the color was a deep crimson color.
Regarding the aromatherapy effect, in Example 2, when 10 panelists smelled the scent for 1 hour, all 10 persons were judged to be mentally relaxed.

Claims (6)

6−ベンジルアミノプリン0.01〜1.5ppm及びカリウムミョウバン50〜500ppmを含む水溶液からなることを特徴とする切り花鮮度保持剤。   A cut flower freshness maintaining agent comprising an aqueous solution containing 6-benzylaminopurine 0.01 to 1.5 ppm and potassium alum 50 to 500 ppm. 更に有効量の糖を含む請求項1に記載の切り花鮮度保持剤。   The cut flower freshness-keeping agent according to claim 1, further comprising an effective amount of sugar. 更に1ppm未満の銀塩を含む請求項1又は2に記載の切り花鮮度保持剤。   The cut flower freshness-keeping agent according to claim 1 or 2, further comprising a silver salt of less than 1 ppm. 更に有効量のアロマテラピー効果を有する香料を含む請求項1〜3のいずれかに記載の切り花鮮度保持剤。   Furthermore, the cut flower freshness maintenance agent in any one of Claims 1-3 containing the fragrance | flavor which has an effective amount of aromatherapy effect. 前記香料がハーブ香料である請求項4に記載の切り花鮮度保持剤。   The cut flower freshness-keeping agent according to claim 4, wherein the fragrance is an herb fragrance. 請求項1〜5のいずれかに記載の切り花鮮度保持剤を10〜50倍濃縮した切り花鮮度保持剤用濃縮液。
A concentrated solution for a cut flower freshness-keeping agent obtained by concentrating the cut flower freshness-keeping agent according to any one of claims 1 to 5 10 to 50 times.
JP2004103298A 2003-09-12 2004-03-31 Cut flower freshness-maintaining agent Pending JP2005104961A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2471361A3 (en) * 2010-11-30 2013-06-19 Enhold B.V. Treatment product for cut flowers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0753301A (en) * 1993-08-20 1995-02-28 Taisho Pharmaceut Co Ltd Macrobiotic agent for cut flower containing aluminum salt of organic acid as active ingredient
JPH09157105A (en) * 1995-12-12 1997-06-17 Meiji Seika Kaisha Ltd Freshness preservative composition for cut flower containing cytokinin
JPH09249501A (en) * 1996-03-11 1997-09-22 Taisho Pharmaceut Co Ltd Freshness keeping agent for cut flower

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0753301A (en) * 1993-08-20 1995-02-28 Taisho Pharmaceut Co Ltd Macrobiotic agent for cut flower containing aluminum salt of organic acid as active ingredient
JPH09157105A (en) * 1995-12-12 1997-06-17 Meiji Seika Kaisha Ltd Freshness preservative composition for cut flower containing cytokinin
JPH09249501A (en) * 1996-03-11 1997-09-22 Taisho Pharmaceut Co Ltd Freshness keeping agent for cut flower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2471361A3 (en) * 2010-11-30 2013-06-19 Enhold B.V. Treatment product for cut flowers

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