WO2005102042A1 - 切り花用鮮度保持剤を収容した構造体 - Google Patents
切り花用鮮度保持剤を収容した構造体 Download PDFInfo
- Publication number
- WO2005102042A1 WO2005102042A1 PCT/JP2005/008407 JP2005008407W WO2005102042A1 WO 2005102042 A1 WO2005102042 A1 WO 2005102042A1 JP 2005008407 W JP2005008407 W JP 2005008407W WO 2005102042 A1 WO2005102042 A1 WO 2005102042A1
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- WO
- WIPO (PCT)
- Prior art keywords
- water
- freshness
- cut flowers
- agent
- film
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N3/00—Preservation of plants or parts thereof, e.g. inhibiting evaporation, improvement of the appearance of leaves or protection against physical influences such as UV radiation using chemical compositions; Grafting wax
- A01N3/02—Keeping cut flowers fresh chemically
Definitions
- the present invention relates to a highly convenient structure containing a cut flower freshness preservative, and more specifically, releases a desired amount of cut flower freshness preservative into the fresh water while floating in the fresh water. And a structure accommodating a freshness preserving agent for cut flowers.
- the most common methods for maintaining the freshness of cut flowers are sugars such as pudose, fructose, and sucrose as nutrients, bacilli, surfactants, acids, and other components.
- sugars such as pudose, fructose, and sucrose as nutrients, bacilli, surfactants, acids, and other components.
- freshness preservatives for cut flowers are usually marketed and used as high-concentration preparations. It must be diluted with water, and such a sheep retention agent for cut flowers will not guarantee a good effect unless used at the correct dilution.
- the present invention has been made in order to solve the above-mentioned problems in the conventional freshener for cut flowers, and provides a highly convenient structure containing the freshener for cut flowers.
- a freshness preserving agent for cut flowers is characterized in that the fiber aggregate holding the freshness preserving agent for cut flowers is rolled up in a tubular shape with a water-resistant film.
- a structure is provided.
- the film has a plurality of pinholes.
- such a structure containing the cut flower freshness preserving agent according to the present invention is preferably formed by winding a fiber assembly into a tubular shape with a water-resistant film, and bonding the wound end thereof. After obtaining the stick-like material, a solution containing a freshness preserving agent for cut flowers can be contained in the fiber aggregate.
- the above-described structure containing the cut flower freshness preserving agent according to a preferred embodiment of the present invention is preferably configured such that a plurality of pinholes are pierced in a water-resistant film, and then the fiber aggregate is formed into a cylindrical shape with the film. It is obtained by sticking the wound end to obtain a stick-like material, and then incorporating a solution containing a freshness-retaining agent for cut flowers into the fiber aggregate.
- FIG. 1 is a perspective view showing an example of a cylindrical structure accommodating a freshener for cut flowers according to the present invention.
- FIG. 2 is a perspective view showing another example of the cylindrical structure according to the present invention.
- FIG. 3 is a perspective view showing still another example of the cylindrical structure according to the present invention.
- FIG. 4 is a perspective view showing an example of a sheet-like structure according to the present invention.
- FIG. 5 is a cross-sectional view of the structure shown in FIG. 2 along the longitudinal direction.
- FIG. 6 is a graph showing the elution rate of water-soluble antibacterial agent Caisson WT from a structure containing a freshener for cut flowers according to the present invention into water with respect to time.
- FIG. 7 is a graph similarly showing the dissolution rate of the poorly water-soluble antibacterial agent 2,4,4′-trichloro mouth-2′-hydroxydiphenyl ether into water with respect to time.
- FIG. 8 is a graph showing the dissolution rate of water-soluble antibacterial agent Caisson WT into water with respect to time.
- FIG. 9 is a graph showing the dissolution rate of the poorly water-soluble antibacterial agent 2,4,4′-trichloro-2′-hydroxydiphenyl ether into water with respect to time.
- Fig. 10 shows the rate of dissolution of the antibacterial agent into water with respect to time (A) from a structure in which a fiber assembly supporting the water-soluble antibacterial agent Caison WT was rolled up by a film having a pinhole.
- a graph showing the dissolution rate (B) of the antibacterial agent into water with respect to time from a structure in which the fiber aggregate supporting the antibacterial agent is wound up by a film having no pinhole. is there.
- the structure containing the freshness-retaining agent for cut flowers according to the present invention is obtained by winding a fiber aggregate holding the freshness-retaining agent into a tubular shape with a water-resistant film.
- the film has a plurality of pinholes.
- the freshness preserving agent for cut flowers may be simply referred to as a freshness preserving agent
- the structure containing the freshness preserving agent for cut flowers may be simply referred to as a structure.
- the fiber aggregate is used as a carrier for holding the freshness-retaining agent for cut flowers, and the fibers include cellulose acetate, polyester, polypropylene, lactic acid polymer, cotton, and the like. Fibers, but are not limited to these.
- Such a fiber aggregate is preferably made of fibers whose specific gravity is smaller than 1.0 so that the structure according to the present invention floats in live water.
- a cellulose acetate tow used in a filter for cigarettes has a specific gravity of cellulose acetate fiber of less than 1.0 and is easily available, so that a fiber aggregate that can be preferably used in the present invention.
- the tow of polyester fiber is also an example of a fiber aggregate that can be preferably used in the present invention because its specific gravity is smaller than 1.0 and it is easily available.
- the above water-resistant film can hold a structure formed by winding a fiber aggregate supporting a freshness-retaining agent for cut flowers into a tubular shape, and then putting the structure into water so that the structure does not collapse.
- a fiber aggregate supporting a freshness-retaining agent for cut flowers may be a tic film, a resin-processed paper, or a laminated film.
- the plastic film include a polyethylene film, a polypropylene film, a polyester film, and a polyamide film.
- the freshness preservative for cut flowers contains at least one selected from nutrients such as saccharides, antibacterial agents, acids, ethylene inhibitors, plant growth regulators and surfactants. May be included.
- Representative examples of preferably used fresheners for cut flowers include, for example, nutrients such as saccharides, antibacterial agents, and surfactants, and if necessary, acids, ethylene inhibitors, plant growth regulators, and the like. including.
- such a freshness preserving agent for cut flowers is held in the fiber aggregate.
- glucose, fructose, sucrose, and the like are preferably used as the nutrient as described above, but are not limited thereto.
- the antimicrobial agents include, but are not limited to, preservatives, antialgal agents, fungicides, disinfectants, slime inhibitors, and the like.
- a poorly water-soluble one is used in addition to a water-soluble one.
- water-soluble antibacterial agent examples include, for example, 5-hydroxy-2-methyl-4-isothiazolin-3-one, polylysine, N-stearoyl-L-glutamic acid, and 2-methyl-1-isothiazoline.
- quaternary ammonium compounds such as 3--3-one and 3- (trimethoxysilyl) propyldimethylsiloxanedecylammonium chloride.
- the poorly water-soluble antibacterial agent is one having a solubility in water of 30 Omg / 10 OmL or less at room temperature (25 ° C).
- poorly water-soluble antibacterial agents that can be preferably used in the present invention include, for example, 4-chloro-3,5-xylenol, 2- (4-thiazolyl) benzimidazole, 2,4,4′-one Trichloro-2'-hydroxydiene ether, 1,2-dibutane 2,4-dicyanobutane, N, N 'hexamethylene methylenebis Can be.
- such a poorly water-soluble antibacterial agent can be held and carried on the fiber assembly as follows, for example. That is, an organic solvent that can dissolve a poorly water-soluble antibacterial agent and is miscible with water, or an organic solvent that can dissolve a poorly water-soluble antibacterial agent and be miscible with water.
- the poorly water-soluble antibacterial agent is dissolved in a mixed solvent of a solvent and water to form a solution, which is retained in the fiber assembly.
- the organic solvent usually, lower aliphatic alcohols such as ethanol, polyhydric alcohols having 2 or 3 carbon atoms such as ethylene glycol, propylene glycol, glycerin and the like are preferably used. Further, ethers such as tetrahydrofuran can also be used as the organic solvent.
- the organic solvent that can be used in the present invention is not limited to the above.
- the cylindrical structure accommodating the cut flower freshness retaining agent according to the present invention is preferably cylindrical, but may be rectangular or sheet-like.
- a fiber assembly 2 holding a freshness preserving agent for cut flowers is rolled up in a cylindrical shape by a film 1, and a rolled-up end 3 is heat-sealed.
- An example of the dimensions of such a cylindrical structure is about lcm in diameter and several cm in length, for example, about 2 to 5 cm.
- the freshness-preserving agent carried by the fiber aggregates is eluted mainly from both ends of the structure into the tap water as if it were extracted into the tap water.
- the ikebana preserves the freshness of the flower.
- FIG. 2 shows a preferred example of a cylindrical structure according to the present invention.
- a fiber aggregate 2 holding a freshness-retaining agent for cut flowers has a plurality of pinholes 4 in the longitudinal direction. It is rolled up in a cylindrical shape at 1 and its rolled up end 3 is heat sealed.
- freshness-retaining agent carried by the fiber aggregate is not only provided at both end faces of the structure, but also through the plurality of pinholes formed in the film. Melts and retains freshness of ikebana.
- the pinholes may be perforated to form a single row in the film, or may be perforated in multiple rows. Also, they may be drilled at random.
- the structure is formed depending on the diameter of the pinholes and the number of pinholes of the film in which the fiber aggregate is wound up, and the degree of tightening of the fiber aggregate when the fiber aggregate is wound up with the film. It is possible to freely control the release rate of the freshness preserving agent from the structure when it is put into fresh water. Furthermore, the release rate of the freshness preserving agent from the structure can be adjusted depending on the type of fiber aggregate used.
- the structure according to the present invention may have an elongated cylindrical shape. Good.
- a freshness preserving agent is carried in proportion to the length of the fiber assembly 2 wound on the film 1 in the longitudinal direction, and the film depends on the amount of fresh water.
- a scale 5 is provided to indicate the optimal input of the structure, and an appropriate message 6 is printed if necessary.
- a pinhole is preferably formed in the film. Preferred force FIG. 3 does not show the pinhole.
- cut the structure with scissors or the like using the scales described above so that the optimal amount of water is supplied according to the amount of fresh water, and then put it into fresh water. Then, the optimal amount of freshness preservative can be added to the tap water.
- the message 6 "Please cut out according to the amount of fresh water and use it" is printed.
- the structure according to the present invention may be a rope-like material on which a freshness retaining agent is carried in proportion to the length of the fiber assembly in the longitudinal direction.
- FIG. 4 shows another example of a cylindrical structure accommodating the sheep retention agent for cut flowers according to the present invention.
- a plurality of pinholes are arranged in the longitudinal direction.
- a fiber aggregate 2 holding a freshness-retaining agent for cut flowers is wound up in a rectangular parallelepiped or sheet shape by a film 1 having a film 4, and the wound end 3 is heat-sealed.
- the structure accommodating the cut flower freshness preserving agent according to the present invention is not particularly limited in the production method thereof.
- a film having water resistance is preferably used.
- the fiber assembly is rolled up into a cylindrical shape at, and the rolled end is adhered to obtain a stick-like material.
- a solution containing a freshness-retaining agent for cut flowers is contained in the fiber assembly of the stick-like material.
- a plurality of pinholes are formed in a water-resistant film, and the fiber assembly is rolled up into a tubular shape with the film, and the rolled-up end is wound up.
- the stick-like material can be obtained by incorporating a solution containing a freshness preserving agent for cut flowers into the fiber aggregate of the stick-like material.
- a plurality of pinholes are formed in a water-resistant film, and the fiber assembly is rolled up into a cylindrical shape with this film, and the rolled-up end is adhered. Then, if necessary, cut into an appropriate length to obtain a stick, and then inject a solution containing a freshness-retaining agent for cut flowers into the center of the fiber assembly of the stick so as to inject it.
- a solution containing a certain amount of the above-mentioned freshness preserving agent can be easily and reliably woven.
- the fiber assembly 2 can be held at the center of the fiber assembly, and as shown in FIG. 5, a freshness retaining agent is provided at the center of the fiber assembly 2 wound up in the film 1 having a plurality of pinholes 4.
- a cylindrical structure carrying 5 can be obtained.
- tow of cellulose acetate fiber or polyester fiber can be preferably used as a fiber aggregate in the present invention.
- a tow of such a fiber When a tow of such a fiber is used, a plurality of pinholes are drilled in advance in a water-resistant film, an adhesive is applied to the tow as needed, and then the film is used.
- the tow is rolled up into a cylindrical shape, and then cut into appropriate lengths to form a stick. Thereafter, the center of the tow in the stick contains a drug as described above.
- a structure containing the freshness preserving agent according to the present invention as shown in FIG. 2 can be obtained.
- the freshness-retaining agent for cut flowers is injected as a solution into the fiber aggregate of the structure using the injection needle, the freshness-maintaining agent can be held at the center of the fiber aggregate. Further, as described above, even a poorly water-soluble antibacterial agent is dissolved in an appropriate organic solvent or an appropriate organic solvent / 7K mixed solvent, and the obtained solution is treated with a fiber in a stick-like material. By injecting into the center of the aggregate using an injection needle, it is possible to carry the fiber aggregate.
- the freshness preserving agent is injected as a solution into the fiber aggregate to be held, and in the obtained structure, It is desirable that the freshness preserving agent is retained in the fiber aggregate as a solution, but the solvent is volatilized from the freshness retaining agent solution, and only the freshness retaining agent is retained in the fiber aggregate as a powder or a solid. May be.
- a solution of the freshness-retaining agent may be absorbed from the end face of the stick-like material.
- the structure containing the freshness-retaining agent is a stick or rope that has been stretched out, the stick or rope may be placed at multiple positions at appropriate intervals in the longitudinal direction from the side surface.
- a solution of the freshness preserving agent may be injected into the article, so to speak, so that the solution of the freshness preserving agent is supported on the fiber aggregate.
- the freshness retaining agent when a structure made of an aggregate of fibers having a specific gravity of less than 1.0 is put into live water, the freshness retaining agent is released into live water while floating in the live water.
- the freshness retaining agent even a poorly water-soluble antibacterial agent can be retained in the fiber aggregate, Thus, even poorly water-soluble antibacterial agents can be released into living water. Therefore, the drug does not stay at the bottom of the water container.
- the structure containing the freshness retaining agent for cut flowers according to the present invention has an appropriate message on the film forming its exterior, for example, a message such as the usage and characteristics of the structure of the present invention.
- the message may be printed, or a label on which such a message is printed may be attached on a film.
- the desired amount of the freshness retention agent for cut flowers is released into fresh water over a desired time while floating in fresh water.
- the fiber aggregate supporting the freshness preserving agent is wound up around the tubular structure with a film having a pinhole
- the freshness preserving agent is not only provided at the end face of the structure, but also at the pinhole. Since the water is eluted in the raw water, the elution rate of the freshness-retaining agent from the structure can be arbitrarily adjusted by, for example, adjusting the number and diameter of the pinholes.
- the structure according to the present invention floats on the water when it is put into live water, so that there is also an advantage that the administration of the freshness preserving agent into the live water can be visually confirmed.
- the present invention will be described with reference to examples, but the present invention is not limited to these examples.
- the elution rate of the antibacterial agent eluted into the water was determined as follows. That is, a small amount of water was collected at regular intervals, and the sample was measured for absorbance at 275 nm in Examples 1, 3 and 5 using an ultraviolet-visible spectrophotometer, and in Examples 2 and 4,
- a 10 mm diameter, 100 mm long cellulose acetate acetate tow was previously wound using a polyethylene / polypropylene co-extruded film in which five pinholes were drilled in two rows per 100 mm length in the longitudinal direction. Thereafter, the rolled ends were overlapped and heat-sealed to obtain a slender stick shaped like a cigarette. Next, a predetermined amount of a solution containing the following antibacterial agent is injected into the center of the tow of cellulose acetate fiber in the stick using an injection needle, and the freshness retaining agent for cut flowers according to the present invention is contained. A cylindrical structure was obtained.
- Water-soluble antibacterial agent Caisson WT (10% by weight of 5-methyl-2-methyl-4-isothiazolin-3-one and 4% by weight of 2-methyl-4-isothiazolin-3-one) 14.0 weights % Of water and 86.0% by weight of water, 0.2 mL of the antibacterial agent aqueous solution was injected into the tow of cellulose acetate fiber in the cylindrical structure, and the structure according to the present invention containing the freshness preserving agent was contained. Got a body. The antibacterial agent content of this structure was 3.92 mg. This structure was immersed in 1 L of water at a temperature of 20, and the dissolution rate of the antibacterial agent from the structure was measured. The results are shown in FIG. Example 2 (Release test of poorly water-soluble antibacterial agent)
- Water-soluble antibacterial agent Caisson WT 1 An aqueous solution of a freshness preserving agent consisting of 40% by weight of glucose, 40.0% by weight of glucose and 58.6% by weight of water 2. Except for using OmL, the freshness was maintained in the same manner as in Example 1. A cylindrical structure according to the present invention containing a binder was obtained. The antibacterial agent content of this structure was 3.92 mg. In the same manner as in Example 1, the dissolution rate of the antibacterial agent from this structure was measured. Result The results are shown in FIG. Example 4 (Release test of poorly water-soluble antibacterial agent containing saccharide)
- Water-soluble antibacterial agent Caesone WT 1.
- OmL of a stick-like material having a pinhole on the film The cylindrical structure according to the present invention, in which a freshness-retaining agent is accommodated, is injected into a toe of polyester fiber and a toe of stick-shaped polyester fiber having no pinhole in the film in the same manner as in Example 1. Got each.
- the antimicrobial content of each of these structures was 3.92 mg.
- the dissolution rate of the antibacterial agent from these structures was measured. The results are shown in FIG.
- (A) shows the dissolution rate of the antibacterial agent from the structure having a pinhole in the film
- (B) shows the dissolution rate of the antibacterial agent from the structure having no pinhole in the film.
- the release rate of the antibacterial agent depends on the size and number of pinholes pierced in the film forming the exterior of the structure, the degree of tightening of the fiber assembly by the film, and further, the amount of the fiber assembly used. It can be freely adjusted depending on the type and the like. For example, as seen in Example 5, according to the structure according to the present invention using a polyester fiber tow as a fiber assembly for supporting a freshness preserving agent, when the film has no pinhole, Almost all of the freshness-preserving agent carried on the fiber assembly was released in about 144 hours, while when the film had pinholes, the freshness-preserving agent carried on the fiber assembly was about 4 hours. Almost everything was released in 8 hours.
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Abstract
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Applications Claiming Priority (2)
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JP2004129791 | 2004-04-26 | ||
JP2004-129791 | 2004-04-26 |
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WO2005102042A1 true WO2005102042A1 (ja) | 2005-11-03 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0840802A (ja) * | 1994-07-29 | 1996-02-13 | Inpatsuku Kk | 切り花の鮮度保持部材 |
JPH11512931A (ja) * | 1996-06-14 | 1999-11-09 | ポコン・アンド・クリサル・ベー・ブイ | 切り花のための花用発泡体 |
JP2000143401A (ja) * | 1998-11-10 | 2000-05-23 | Akiyoshi Yamashita | 切花用の袋入り延命剤 |
JP2000324948A (ja) * | 1999-05-21 | 2000-11-28 | Sanyo Chem Ind Ltd | 切り花用保水剤及び保水材 |
JP2002068901A (ja) * | 2000-08-24 | 2002-03-08 | Oji Kinocloth Co Ltd | 切り花等の鮮度保持材並びに鮮度保持方法 |
-
2005
- 2005-04-26 WO PCT/JP2005/008407 patent/WO2005102042A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0840802A (ja) * | 1994-07-29 | 1996-02-13 | Inpatsuku Kk | 切り花の鮮度保持部材 |
JPH11512931A (ja) * | 1996-06-14 | 1999-11-09 | ポコン・アンド・クリサル・ベー・ブイ | 切り花のための花用発泡体 |
JP2000143401A (ja) * | 1998-11-10 | 2000-05-23 | Akiyoshi Yamashita | 切花用の袋入り延命剤 |
JP2000324948A (ja) * | 1999-05-21 | 2000-11-28 | Sanyo Chem Ind Ltd | 切り花用保水剤及び保水材 |
JP2002068901A (ja) * | 2000-08-24 | 2002-03-08 | Oji Kinocloth Co Ltd | 切り花等の鮮度保持材並びに鮮度保持方法 |
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