JP2017154985A - Photoresponsive deodorant antibacterial agent - Google Patents

Photoresponsive deodorant antibacterial agent Download PDF

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JP2017154985A
JP2017154985A JP2016037250A JP2016037250A JP2017154985A JP 2017154985 A JP2017154985 A JP 2017154985A JP 2016037250 A JP2016037250 A JP 2016037250A JP 2016037250 A JP2016037250 A JP 2016037250A JP 2017154985 A JP2017154985 A JP 2017154985A
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photoresponsive
indigo
deodorant
antibacterial agent
deodorant antibacterial
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浩一郎 土屋
Koichiro Tsuchiya
浩一郎 土屋
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University of Tokushima NUC
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  • Materials For Medical Uses (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
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Abstract

PROBLEM TO BE SOLVED: To provide a photoresponsive deodorant antibacterial agent containing an excellent photoresponsive component having a singlet oxygen-generating ability, a photoresponsive deodorant antibacterial product containing the photoresponsive deodorant antibacterial agen, and a deodorant/sterilization method using the photoresponsive deodorant antibacterial agent, and also provide a pharmaceutical composition for photodynamic therapy, the composition containing a component having an excellent photoresponsive component having a singlet oxygen-generating ability.SOLUTION: According to the present invention, a photoresponsive deodorant antibacterial agent comprises indigo or an indigo extract, and a photoresponsive deodorant antibacterial product comprises the photoresponsive deodorant antibacterial agent. According to the present invention, there is also provided a deodorant/sterilization method using the photoresponsive deodorant antibacterial agent, the method including a step of irradiating the photoresponsive deodorant antibacterial agent with light in the presence of oxygen. According to the present invention, there is further provided a pharmaceutical composition for photodynamic therapy comprising an indigo extract.SELECTED DRAWING: None

Description

本発明は、光応答性消臭抗菌剤、該光応答性消臭抗菌剤を含む光応答性消臭抗菌製品、及び該光応答性消臭抗菌剤を用いた消臭殺菌方法に関する。また、本発明は、光線力学的療法用の医薬組成物に関する。   The present invention relates to a photoresponsive deodorant antibacterial agent, a photoresponsive deodorant antibacterial product containing the photoresponsive deodorant antibacterial agent, and a deodorizing and sterilizing method using the photoresponsive deodorant antibacterial agent. The present invention also relates to a pharmaceutical composition for photodynamic therapy.

藍はタデ科の一年生の草であり、東南アジアが原産である。染料をとる植物として古くは中国から輸入され、江戸時代には四国を中心に広く栽培されている。藍は天然の青色染料として古くから重宝されており、藍の歴史は古代エジプトにまで遡るとも言われている。   Indigo is an annual grass of the family Tadeceae and is native to Southeast Asia. As a plant that takes dye, it was imported from China in the old days and was widely cultivated mainly in Shikoku during the Edo period. Indigo has been useful as a natural blue dye since ancient times, and it is said that the history of indigo goes back to ancient Egypt.

染色に使うには、葉を乾燥させ、つみあげて2〜3ヶ月発酵させて黒い土の塊のようなものにして臼でつきかため玉藍を作る。玉藍にはインジゴ(indigo)が2〜10%含まれている。次に、玉藍に木灰、石灰、ふすまを混ぜて水を加えてかき混ぜ、30〜40℃の温度を保てばインジゴが水に溶ける性質に変わり、これを用いて布を染色する。   To be used for dyeing, the leaves are dried, picked up and fermented for 2-3 months to make a black soil lump, which is then made with a mortar. Tamai contains 2-10% indigo. Next, mix indigo with wood ash, lime, and bran, add water and stir. If you keep the temperature at 30-40 ° C, the indigo will dissolve in water, and this will be used to dye the fabric.

しかし、1880年にA. Baeyerがインジゴを初めて合成して工業化して以来、天然藍は駆逐され、合成インジゴが藍染めの主流となっている。   However, since A. Baeyer first synthesized and commercialized indigo in 1880, natural indigo was destroyed and synthetic indigo became the mainstream of indigo dyeing.

また、藍には抗菌成分が含まれていることが特許文献1〜4で報告されている。   Moreover, it is reported by patent documents 1-4 that antibacterial component is contained in indigo.

特許文献1では、藍の抽出物に2種類の抗菌活性物質が存在することを見出し、当該物質がアトピー性皮膚炎等の発症原因菌に対して優れた抗菌作用を有することが報告さている。   In Patent Document 1, it is found that two types of antibacterial active substances exist in the indigo extract, and it is reported that the substances have an excellent antibacterial action against pathogenic bacteria such as atopic dermatitis.

特許文献2では、藍葉又は沈殿藍からトリプタントリンなどの有用成分をマイクロ波照射下で溶媒抽出することで、有用成分を迅速に抽出できることが報告されている。   In Patent Document 2, it is reported that useful components such as tryptanthrin can be rapidly extracted from indigo leaves or precipitated indigo by solvent extraction under microwave irradiation.

特許文献3では、チリ産タデ科植物Muehlenbeckia hastulata又は日本産ヤナギタデ(Persicaria hydropiper)から抽出した成分に、抗インフルエンザ活性を有することが報告されている。   In Patent Document 3, it is reported that a component extracted from the Chilean radixaceae plant Muehlenbeckia hastulata or the Japanese-made Yanagitade (Persicaria hydropiper) has anti-influenza activity.

特許文献4では、藍葉のエタノール抽出濃縮物及び多価アルコールを含む混合物から、不純物を除去する工程を含む製造方法で得られた藍葉エキスと、ヨモギエキスとを組み合わせることにより、それぞれ単独では抗菌活性を発揮しない濃度においても高い抗菌活性を発揮し得ることが報告されている。   In Patent Document 4, antibacterial activity is independently obtained by combining a blue leaf extract obtained by a production method including a step of removing impurities from a mixture containing an ethanol extract concentrate of a green leaf and a polyhydric alcohol and a mugwort extract. It has been reported that a high antibacterial activity can be exhibited even at a concentration that does not exhibit the above.

活性酸素には、スーパーオキシドアニオンラジカル、ヒドロキシラジカル、過酸化水素、一重項酸素などがある。これらのうち一重項酸素の応用例としては、物理的殺菌方法、排水浄化、空気洗浄器、消臭器、抗癌剤などである。大気中の酸素の大部分を占める三重項酸素から直接一重項酸素を作るには高エネルギーが必要になるが、増感剤と呼ばれる化合物を光で励起し、励起した増感剤が安定な三重項状態にある酸素分子にエネルギーを移動させることにより一重項酸素は生成する。   Active oxygen includes superoxide anion radical, hydroxy radical, hydrogen peroxide, singlet oxygen and the like. Among these, application examples of singlet oxygen include physical sterilization methods, drainage purification, air cleaners, deodorizers, anticancer agents, and the like. High energy is required to produce singlet oxygen directly from triplet oxygen, which occupies most of oxygen in the atmosphere, but a compound called a sensitizer is excited with light, and the excited sensitizer is a stable triplet. Singlet oxygen is generated by transferring energy to oxygen molecules in a term state.

そして、非特許文献1では、インジゴ及びインジゴ誘導体の光増感特性について調べられており、インジゴやインジゴ誘導体は一重項酸素生成が非常に少ないことから、一重項酸素生成のための増感剤としての作用は不十分であることが報告されている。   In Non-Patent Document 1, the photosensitization characteristics of indigo and indigo derivatives have been examined. Since indigo and indigo derivatives generate very little singlet oxygen, they are used as sensitizers for singlet oxygen generation. It has been reported that the action of is insufficient.

特開2004-189732号公報JP 2004-189732 A 特開2009-149596号公報JP 2009-149596 特開2010-270098号公報JP 2010-270098 A 特開2013-213018号公報JP 2013-213018

ChemPhysChem 2006, 7, 2303-2311ChemPhysChem 2006, 7, 2303-2311

このように、藍には、光照射により一重項酸素を顕著に生成することができる優れた増感剤としての機能を有する成分が含まれていることは知られていなかった。   Thus, it has not been known that indigo contains a component having a function as an excellent sensitizer capable of remarkably generating singlet oxygen by light irradiation.

本発明は、優れた光応答性の一重項酸素生成能を有する成分を含有する光応答性消臭抗菌剤、該光応答性消臭抗菌剤を含む光応答性消臭抗菌製品、及び該光応答性消臭抗菌剤を用いた消臭殺菌方法を提供することを目的とする。また、本発明は、優れた光応答性の一重項酸素生成能を有する成分を含有する光線力学的療法用の医薬組成物を提供することを目的とする。   The present invention relates to a photoresponsive deodorant antibacterial agent containing a component having an excellent photoresponsive singlet oxygen generating ability, a photoresponsive deodorant antibacterial product containing the photoresponsive deodorant antibacterial agent, and the light An object is to provide a deodorizing and sterilizing method using a responsive deodorizing antibacterial agent. Another object of the present invention is to provide a pharmaceutical composition for photodynamic therapy containing a component having an excellent photoresponsive singlet oxygen generating ability.

本発明者は、上記目的を達成すべく鋭意研究を重ねた結果、藍の抽出物は、顕著に優れた光応答性の一重項酸素生成能を有しているという知見を得た。この藍の抽出物の光応答性一重項酸素生成能は、藍の染料成分であるインジゴと比べても顕著に優れていた。   As a result of intensive studies to achieve the above object, the present inventor has found that the indigo extract has a remarkably excellent photoresponsive singlet oxygen generating ability. The light-responsive singlet oxygen-producing ability of this indigo extract was significantly superior to that of indigo, which is a dye component of indigo.

本発明は、これら知見に基づき、更に検討を重ねて完成されたものであり、次の光応答性消臭抗菌剤、光応答性消臭抗菌製品、光線力学的療法用の医薬組成物、及び消臭殺菌方法を提供するものである。   Based on these findings, the present invention has been completed through further studies, and the following photoresponsive deodorant antibacterial agent, photoresponsive deodorant antibacterial product, pharmaceutical composition for photodynamic therapy, and A deodorizing and sterilizing method is provided.

項1.藍又は藍の抽出物を含有する光応答性消臭抗菌剤。
項2.光照射により一重項酸素を発生させる、項1に記載の光応答性消臭抗菌剤。
項3.前記光が可視光である、項1又は2に記載の光応答性消臭抗菌剤。
項4.項1〜3のいずれか一項に記載の光応答性消臭抗菌剤を含む光応答性消臭抗菌製品。
項5.前記光応答性消臭抗菌製品が、衣料用品、動物用品、介護用品、医療用品、インテリア用品、又は日用品である、項4に記載の光応答性消臭抗菌製品。
項6.藍の抽出物を含有する光線力学的療法用の医薬組成物。
項7.酸素存在下で項1〜3のいずれか一項に記載の光応答性消臭抗菌剤に光照射する工程
を含む、該光応答性消臭抗菌剤を用いた消臭殺菌方法。
Item 1. Photoresponsive deodorant antibacterial agent containing indigo or indigo extract.
Item 2. Item 2. The photoresponsive deodorant antibacterial agent according to item 1, wherein singlet oxygen is generated by light irradiation.
Item 3. Item 3. The photoresponsive deodorant antibacterial agent according to item 1 or 2, wherein the light is visible light.
Item 4. Item 4. A photoresponsive deodorant antibacterial product comprising the photoresponsive deodorant antibacterial agent according to any one of items 1 to 3.
Item 5. Item 5. The photoresponsive deodorant and antibacterial product according to Item 4, wherein the photoresponsive deodorant and antibacterial product is a clothing product, animal product, care product, medical product, interior product, or daily product.
Item 6. A pharmaceutical composition for photodynamic therapy comprising an indigo extract.
Item 7. Item 4. A deodorizing and sterilizing method using the photoresponsive deodorant antibacterial agent, comprising a step of irradiating the photoresponsive deodorant antibacterial agent according to any one of Items 1 to 3 in the presence of oxygen.

藍又は藍の抽出物は、優れた光応答性の一重項酸素生成能を有していることから、抗菌作用、殺菌作用、消臭作用、及び光線力学的療法による治療効果が期待される。   Since indigo or an indigo extract has an excellent photoresponsive singlet oxygen generating ability, antibacterial action, bactericidal action, deodorizing action, and therapeutic effect by photodynamic therapy are expected.

そのため、藍又は藍の抽出物は、光応答性消臭抗菌剤、光応答性消臭抗菌製品、及び光線力学的療法用の医薬組成物の有効成分として有用である。   Therefore, indigo or an indigo extract is useful as an active ingredient of a photoresponsive deodorant antibacterial agent, a photoresponsive deodorant antibacterial product, and a pharmaceutical composition for photodynamic therapy.

また、藍は天然物であり、古くから染料や漢方薬原料などとして使用されてきたものであるので、安全性が高いと考えられる。   Indigo is a natural product and has been used for a long time as a raw material for dyes and herbal medicines, so it is considered highly safe.

高温処理藍葉、低温処理藍葉、乾燥藍茎、乾燥藍葉、及びインジゴについての光照射による一重項酸素生成量を示すグラフである。It is a graph which shows the singlet oxygen production amount by light irradiation about a high temperature process indigo leaf, a low temperature process indigo leaf, a dry indigo stem, a dry indigo leaf, and indigo. 藍茎から抽出・分離された物についての光照射による一重項酸素生成量を示すグラフである。It is a graph which shows the singlet oxygen production amount by light irradiation about the thing extracted and isolate | separated from indigo stalk.

以下、本発明について詳細に説明する。   Hereinafter, the present invention will be described in detail.

なお、本明細書において「含む、含有する(comprise)」とは、「本質的にからなる(essentially consist of)」という意味と、「からなる(consist of)」という意味をも包含する。   In the present specification, “comprise” includes the meaning of “essentially consist of” and the meaning of “consist of”.

藍又は藍の抽出物
本発明において、藍の種類は特に限定されないが、好ましくは、タデ科に属する1年生の植物であるタデ藍(Polygonim tinctorium Lour., Syn: Persicaria tinctoria (Aiton) H. Gross)である。タデ藍の種類も特に限定されず、千本等の各種のタデ藍を使用することができる。
Indigo or indigo extract In the present invention, the kind of indigo is not particularly limited, but preferably, the indigo indigo plant (Polygonim tinctorium Lour., Syn: Persicaria tinctoria (Aiton) H. Gross ). There are no particular limitations on the type of tide indigo, and various types of tide indigo such as 1,000 can be used.

本発明で使用する藍の部位は特に限定されず、藍の全体を用いることもできるし、又は葉、茎などの一部を用いることもできる。また、生の状態のもの、乾燥させた状態のもの、発酵させた状態のもの(すくも)等のいずれの状態の藍も本発明において使用することができる。ここで、乾燥方法としては、例えば、天日乾燥、加熱乾燥、凍結乾燥などが挙げられる。また、本発明で使用する藍は、切断や粉砕処理がなされたものであってもよい。   The part of indigo used in the present invention is not particularly limited, and the whole indigo can be used, or a part of leaves, stems and the like can be used. Indigo in any state, such as in a raw state, in a dried state, or in a fermented state (sukumo), can be used in the present invention. Here, examples of the drying method include sun drying, heat drying, freeze drying, and the like. The indigo used in the present invention may be cut or crushed.

抽出に用いる藍の部位は特に限定されず、藍の全体を用いることもできるし、又は葉、茎などの一部を用いることもできる。また、抽出に用いる藍としては、生の状態のもの、乾燥させた状態のもの、発酵させた状態のもの(すくも)等のいずれの状態の藍も使用することができる。ここで、乾燥方法としては、例えば、天日乾燥、加熱乾燥、凍結乾燥などが挙げられる。また、抽出に用いる藍は、切断や粉砕処理がなされたものであってもよい。   The site of indigo used for extraction is not particularly limited, and the whole indigo can be used, or a part of leaf, stem, etc. can be used. As the indigo used for the extraction, indigo in any state such as a raw state, a dried state, and a fermented state (sukumo) can be used. Here, examples of the drying method include sun drying, heat drying, freeze drying, and the like. The indigo used for extraction may be cut and crushed.

藍の抽出物を製造する際の抽出方法は特に限定されないが、抽出液に浸漬して抽出する方法、二酸化炭素等による超臨界抽出法を用いて抽出する方法などが挙げられる。   The extraction method for producing the indigo extract is not particularly limited, and examples thereof include a method of extraction by dipping in an extract, a method of extraction using a supercritical extraction method using carbon dioxide and the like.

藍を抽出液に浸漬して抽出を行う場合に使用する抽出液としては水、有機溶媒又は含水有機溶媒を使用することができ、有機溶媒としては、メタノール、エタノール、1−プロパノール、2−プロパノール、1−ブタノール、2−ブタノール、2−メチル−1−プロパノール、2−メチル−2−プロパノール、1−ペンタノール、2−ペンタノール、3−ペンタノール等の炭素数1〜5の低級アルコール、ジエチルエーテル等のエーテル類、酢酸メチル、酢酸エチル等のエステル類、アセトン等のケトン類、酢酸、氷酢酸、プロピオン酸等の有機酸、N,N-ジメチルホルムアミド(DMF)、クロロホルム、ジクロロメタン等が挙げられる。   Water, an organic solvent, or a water-containing organic solvent can be used as the extract used when the indigo is immersed in the extract, and methanol, ethanol, 1-propanol, 2-propanol is used as the organic solvent. Lower alcohols having 1 to 5 carbon atoms such as 1-butanol, 2-butanol, 2-methyl-1-propanol, 2-methyl-2-propanol, 1-pentanol, 2-pentanol, and 3-pentanol; Ethers such as diethyl ether, esters such as methyl acetate and ethyl acetate, ketones such as acetone, organic acids such as acetic acid, glacial acetic acid, propionic acid, N, N-dimethylformamide (DMF), chloroform, dichloromethane, etc. Can be mentioned.

抽出に使用する抽出液の量は、藍全体を浸漬できる量であれば特に限定されないが、抽出により得られる成分の濃度を高くするためには抽出液の量は少ない方が好ましい。   The amount of the extraction liquid used for the extraction is not particularly limited as long as it can immerse the whole indigo plant, but in order to increase the concentration of the component obtained by extraction, it is preferable that the amount of the extraction liquid is small.

抽出液による抽出を行う場合、抽出液の温度及び抽出時間は適宜設定されるが、抽出液の温度は通常室温であり、抽出時間は通常12〜24時間である。また、抽出液による抽出は、攪拌下で実施することが好ましい。   When performing extraction with the extract, the temperature of the extract and the extraction time are appropriately set. The temperature of the extract is usually room temperature, and the extraction time is usually 12 to 24 hours. Moreover, it is preferable to implement extraction with an extract under stirring.

回収した抽出液は、ろ過、分液、分別沈殿、遠視分離などの公知の手段により不溶成分の除去を行ってもよい。   The recovered extract may be subjected to removal of insoluble components by known means such as filtration, liquid separation, fractional precipitation, and hyperopic separation.

具体的には抽出は次のように行うことができる。粉砕処理をした藍20 gにジクロロメタンを150 mL加え室温(20℃)で24時間静置し、濾過してジクロロメタン層を除く。この操作を2回繰り返す。ジクロロメタンを蒸発させた粉末状の藍に、アセトン:水(4:1)を100 mL加え、室温(20℃)で12-24時間静置し、遠心分離で抽出液を得る。   Specifically, the extraction can be performed as follows. Add 150 mL of dichloromethane to 20 g of the indigo indigo plant, leave it at room temperature (20 ° C) for 24 hours, and filter to remove the dichloromethane layer. Repeat this operation twice. 100 mL of acetone: water (4: 1) is added to the powdery indigo from which dichloromethane has been evaporated, and the mixture is allowed to stand at room temperature (20 ° C.) for 12-24 hours, and an extract is obtained by centrifugation.

回収した抽出液(必要により不溶成分の除去を行ったものも含む)は、必要に応じて適宜、限外濾過、分子篩クロマトグラフィー(ゲル濾過)、吸着クロマトグラフィー、イオン交換クロマトグラフィー、アフィニティクロマトグラフィー、高速液体クロマトグラフィー(HPLC)、透析法、これらの組合せなどにより精製を行ってもよい。   The recovered extract (including those from which insoluble components have been removed if necessary) is appropriately subjected to ultrafiltration, molecular sieve chromatography (gel filtration), adsorption chromatography, ion exchange chromatography, affinity chromatography as necessary. Further, purification may be performed by high performance liquid chromatography (HPLC), dialysis, a combination thereof, or the like.

また、回収した抽出液(必要に応じて更に精製されたものも含む)は、更に、濃縮や、凍結乾燥、スプレードライ等による乾燥処理を行ってもよい。ここで、濃縮、凍結乾燥及びスプレードライは、常法に従って行うことができる。   In addition, the recovered extract (including those that are further purified as necessary) may be further subjected to concentration, freeze-drying, spray-drying, or the like. Here, concentration, freeze-drying, and spray-drying can be performed according to conventional methods.

本発明の藍の抽出物は、抽出液そのもの(更に精製されたものも含む)、該抽出液を濃縮した濃縮液、及び該抽出液を乾燥させた固形物のいずれであってもよい。   The indigo extract of the present invention may be any of the extract itself (including those further purified), a concentrated solution obtained by concentrating the extract, and a solid obtained by drying the extract.

本発明の藍の抽出物における光応答性一重項酸素生成能を担う化合物を特定することは、当該化合物が光照射下で構造変化を起こすことにより困難である。   It is difficult to specify the compound responsible for the photoresponsive singlet oxygen generating ability in the indigo extract of the present invention because the compound undergoes a structural change under light irradiation.

光応答性消臭抗菌剤
本発明の光応答性消臭抗菌剤は、藍又は藍の抽出物を含有することを特徴とする。
Photoresponsive deodorant antibacterial agent The photoresponsive deodorant antibacterial agent of the present invention is characterized by containing indigo or an indigo extract.

本発明において、消臭抗菌とは、消臭作用と抗菌作用の少なくともいずれか一方の作用が発揮されることを意味する。   In the present invention, the deodorizing antibacterial means that at least one of the deodorizing action and the antibacterial action is exhibited.

また、本発明において、「光応答性」の消臭抗菌とは、光が照射されることにより消臭抗菌作用が発揮されることを意味する。   In the present invention, the “photo-responsive” deodorizing and antibacterial means that the deodorizing and antibacterial action is exhibited when irradiated with light.

本発明の光応答性消臭抗菌剤が有効成分とする藍又は藍の抽出物は、光応答性の一重項酸素生成能を有しており、増感剤として機能する。そのため、本発明の光応答性消臭抗菌剤は、光照射により一重項酸素を発生させることができる。当該一重項酸素の作用に基づいて、抗菌作用、殺菌作用、及び消臭作用が発揮されると期待される。すなわち、本発明の光応答性消臭抗菌剤が抗菌作用、殺菌作用、及び消臭作用を発揮するためには、少なくとも酸素と光源が存在していればよく、酸素存在下(例えば、空気中)で本発明の光応答性消臭抗菌剤に光照射することで、殺菌消臭効果を得ることができる。   The indigo or indigo extract, which is an active ingredient of the photoresponsive deodorant antibacterial agent of the present invention, has a photoresponsive singlet oxygen generating ability and functions as a sensitizer. Therefore, the photoresponsive deodorant antibacterial agent of the present invention can generate singlet oxygen by light irradiation. Based on the action of the singlet oxygen, antibacterial action, bactericidal action, and deodorizing action are expected to be exhibited. That is, in order for the photoresponsive deodorant antibacterial agent of the present invention to exhibit antibacterial action, bactericidal action, and deodorant action, it is sufficient that at least oxygen and a light source exist, and in the presence of oxygen (for example, in the air ), The light-responsive deodorant antibacterial agent of the present invention is irradiated with light to obtain a bactericidal deodorant effect.

また、本発明における抗菌作用は、一重項酸素による物理的殺菌であるため、幅広い種類の微生物やウィルスに有効である上に、耐性菌を出すリスクも低い。   In addition, since the antibacterial action in the present invention is physical sterilization by singlet oxygen, it is effective against a wide variety of microorganisms and viruses and has a low risk of causing resistant bacteria.

ここで、本発明において光応答性を得るために使用される光としては、好ましくは可視光であり、より好ましくは波長が360〜830 nmの光、特に好ましくは波長が400〜600 nmの光である。   Here, the light used for obtaining photoresponsiveness in the present invention is preferably visible light, more preferably light having a wavelength of 360 to 830 nm, particularly preferably light having a wavelength of 400 to 600 nm. It is.

また、本発明において光応答性を得るために使用される光源としては、自然光(太陽光)、ハロゲンランプ、高圧水銀灯、低圧水銀灯、エキシマレーザ、重水素ランプ、キセノンランプ、Hg-Zn-Pbランプ、蛍光灯、LEDなどが挙げられるが、自然光(太陽光)及びLEDがエネルギーを使用しない又はエネルギーの使用量が少ないため好ましい。光源としてLEDを使用する場合は、波長が400〜750 nm、特に400〜500 nmであるLEDを使用することが好ましい。   In addition, as a light source used for obtaining photoresponsiveness in the present invention, natural light (sunlight), halogen lamp, high pressure mercury lamp, low pressure mercury lamp, excimer laser, deuterium lamp, xenon lamp, Hg-Zn-Pb lamp , Fluorescent lamps, LEDs, and the like. Natural light (sunlight) and LEDs are preferable because they do not use energy or use a small amount of energy. When using LED as a light source, it is preferable to use LED with a wavelength of 400-750 nm, especially 400-500 nm.

本発明の光応答性消臭抗菌剤は、藍又は藍の抽出物の光応答性の一重項酸素生成能が妨げられない限り、追加の成分を含んでいてもよい。追加の成分を含む場合、光応答性消臭抗菌剤中の藍又は藍の抽出物の割合としては1〜100重量%、特に10〜98重量%を挙げることができる。   The photoresponsive deodorant antibacterial agent of the present invention may contain an additional component as long as the light-responsive singlet oxygen generating ability of the indigo or indigo extract is not hindered. When an additional component is included, the ratio of indigo or indigo extract in the photoresponsive deodorant antibacterial agent can be 1 to 100% by weight, particularly 10 to 98% by weight.

本発明の光応答性消臭抗菌剤は、その形態を特に制限するものではないが、例えば、粉末状、顆粒状、錠剤状、ナノパーティクル状、液状、懸濁液状、乳液状などの形態が挙げられる。   The form of the photoresponsive deodorant antibacterial agent of the present invention is not particularly limited. For example, the form of powder, granule, tablet, nanoparticle, liquid, suspension, emulsion, etc. Can be mentioned.

本発明の光応答性消臭抗菌剤は、藍又は藍の抽出物の光応答性の一重項酸素生成能に基づいて抗菌、殺菌、及び消臭作用を有するため、各種の消臭抗菌材や消臭抗菌剤の成分として好適に使用することができる。そのような消臭抗菌材や消臭抗菌剤としては、例えば、抗菌性フィルム、抗菌性繊維、抗菌性不織布、抗菌性塗料、抗菌性コーキング材、抗カビ剤、抗菌消臭スプレーなどを挙げることができる。消臭抗菌材料や消臭抗菌剤における本発明の光応答性消臭抗菌剤の配合量は、光応答性の消臭抗菌作用が得られる範囲で適宜決定される。   The photoresponsive deodorant antibacterial agent of the present invention has antibacterial, bactericidal, and deodorant actions based on the photoresponsive singlet oxygen-producing ability of indigo or indigo extract. It can be suitably used as a component of a deodorizing antibacterial agent. Examples of such deodorant antibacterial materials and deodorant antibacterial agents include antibacterial films, antibacterial fibers, antibacterial nonwoven fabrics, antibacterial paints, antibacterial caulking materials, antifungal agents, and antibacterial deodorant sprays. Can do. The blending amount of the photoresponsive deodorant antibacterial agent of the present invention in the deodorant antibacterial material or deodorant antibacterial agent is appropriately determined within a range in which a photoresponsive deodorant antibacterial action can be obtained.

光応答性消臭抗菌製品
本発明の光応答性消臭抗菌製品は、上記光応答性消臭抗菌剤を含むことを特徴とする。
Photoresponsive deodorant antibacterial product The photoresponsive deodorant antibacterial product of the present invention is characterized by containing the photoresponsive deodorant antibacterial agent.

本発明の光応答性消臭抗菌製品は、光応答性の一重項酸素生成能を有する藍又は藍の抽出物を含んでいるため、光照射により発生する一重項酸素の作用に基づいて、抗菌作用、殺菌作用、及び消臭作用が発揮されると期待される。   Since the photoresponsive deodorant antibacterial product of the present invention contains indigo or an indigo extract having a photoresponsive singlet oxygen generating ability, an antibacterial product is produced based on the action of singlet oxygen generated by light irradiation. It is expected that the action, bactericidal action, and deodorizing action will be exhibited.

本発明の光応答性消臭抗菌製品としては、衣料用品、動物用品、介護用品、医療用品、インテリア用品、日用品などを挙げることができる。   Examples of the light-responsive deodorant and antibacterial product of the present invention include clothing products, animal products, care products, medical products, interior products, and daily products.

上記衣料用品としては、作業服、運動着、寝間着、帽子、ジーンズ、靴下、靴など、上記動物用品としては、動物用衣類、動物用敷物、動物用飼育小屋、動物用トイレ、水槽など、上記介護用品としては、介護寝間着、オムツなど、上記医療用品としては、包袋、絆創膏、マスクなど、上記寝具用品としては、布団、枕、シーツ、毛布、ベッドなど、上記インテリア用品としては、カーテン、壁紙、カーペット、床材、障子、襖、ランプフード、家具など、上記日用品としては、包装材料、鞄、文房具、プラスチック容器、非常用持ち出し用品、掃除機のフィルター、空気清浄機(エアフィルター)、スリッパ、タオルなどがそれぞれ挙げられる。   As the clothing article, work clothes, athletic clothes, sleepwear, hats, jeans, socks, shoes, etc., as the animal goods, animal clothing, animal rugs, animal breeding sheds, animal toilets, water tanks, etc. Nursing care items such as nursing nightclothes, diapers, etc., such as medical supplies such as wrapping bags, bandages, masks, etc., and bedding items such as futons, pillows, sheets, blankets, beds, etc. Wallpapers, carpets, flooring materials, shoji screens, baskets, lamp hoods, furniture, etc., as the above-mentioned daily necessities, packaging materials, bags, stationery, plastic containers, emergency take-out items, vacuum cleaner filters, air purifiers (air filters), Examples include slippers and towels.

本発明の光応答性消臭抗菌剤を上記のような製品に適用する手段としては、製品の素材等の性質に応じて、当業者に公知の方法を採用することができる。例えば、製品表面に塗布する方法、製品表面に噴霧する方法、製品に含浸させる方法、製品に配合する方法などが挙げられる。また、本発明の光応答性消臭抗菌剤を予め含浸させた繊維等を使用して製品を製造する方法も挙げることができる。また、光応答性消臭抗菌剤の成分として藍を使用する場合は、例えば、藍の茎から生成されたパルプを原料とした紙を使用して製品を製造することもできる。上記のような製品における本発明の光応答性消臭抗菌剤の使用量は、光応答性の消臭抗菌作用が得られる範囲で適宜決定される。   As a means for applying the photoresponsive deodorant antibacterial agent of the present invention to the product as described above, methods known to those skilled in the art can be employed according to the properties of the material of the product. For example, the method of apply | coating to the product surface, the method of spraying on the product surface, the method of impregnating a product, the method of mix | blending with a product etc. are mentioned. Moreover, the method of manufacturing a product using the fiber etc. which were impregnated previously with the photoresponsive deodorant antibacterial agent of this invention can also be mentioned. Moreover, when using indigo as a component of a photoresponsive deodorant antibacterial agent, for example, a product can be produced using paper made from pulp produced from indigo stalk. The amount of use of the photoresponsive deodorant antibacterial agent of the present invention in the product as described above is appropriately determined within a range in which a photoresponsive deodorant antibacterial action can be obtained.

本発明の光応答性消臭抗菌剤の有効成分である藍又は藍の抽出物は長い間、衣料の染色に使用されてきたものなので、肌と直接接する可能性のある製品に使用したとしても安全であると考えられる。また、自然光を利用できるため、本発明の光応答性消臭抗菌剤は、屋外で設置又は使用される装置に使用することが好ましい。しかしながら、屋内で設置又は使用される製品であっても、人工光源を使用することで消臭抗菌作用を発揮させることが可能である。例えば、水槽のガラス面に本発明の光応答性消臭抗菌剤を塗布しておき、水槽を照らすLED照明が当該ガラスに照射されることで、消臭殺菌効果が得られると考えられる。   Indigo or indigo extract, which is an active ingredient of the photoresponsive deodorant antibacterial agent of the present invention, has been used for dyeing clothing for a long time, so even if it is used for products that may come into direct contact with the skin It is considered safe. Moreover, since natural light can be utilized, it is preferable to use the photoresponsive deodorant antibacterial agent of this invention for the apparatus installed or used outdoors. However, even if the product is installed or used indoors, it is possible to exert a deodorizing and antibacterial action by using an artificial light source. For example, it is considered that a deodorizing and sterilizing effect can be obtained by applying the photoresponsive deodorant antibacterial agent of the present invention to the glass surface of an aquarium and irradiating the glass with LED illumination for illuminating the aquarium.

医薬組成物
本発明の光線力学的療法用の医薬組成物は、藍の抽出物を含有することを特徴とする。
Pharmaceutical Composition The pharmaceutical composition for photodynamic therapy of the present invention is characterized by containing an indigo extract.

医薬組成物として調製する場合、藍の抽出物をそのまま使用するか、又は医薬品において許容される無毒性の担体、希釈剤若しくは賦形剤とともに、タブレット(素錠、糖衣錠、発泡錠、フィルムコート錠、チュアブル錠、トローチ剤などを含む)、カプセル剤、丸剤、粉末剤(散剤)、細粒剤、顆粒剤、液剤、懸濁液、乳濁液、シロップ、ペースト、注射剤(使用時に、蒸留水又はアミノ酸輸液や電解質輸液等の輸液に配合して液剤として調製する場合を含む)などの形態に調製して、医薬用の製剤にすることが可能である。   When preparing as a pharmaceutical composition, the extract of indigo is used as it is, or together with a non-toxic carrier, diluent or excipient acceptable in pharmaceuticals, tablets (plain tablets, dragees, effervescent tablets, film-coated tablets) , Capsules, pills, powders (powder), fine granules, granules, solutions, suspensions, emulsions, syrups, pastes, injections (when used, It is possible to prepare a pharmaceutical preparation by preparing it in a form such as distilled water or an amino acid infusion solution or an electrolyte infusion solution or the like and preparing it as a solution.

本発明の医薬組成物における藍の抽出物の含量は、医薬組成物全量中0.0001〜100重量%、好ましくは0.001〜99重量%の範囲から適宜選択することが可能である。   The content of the indigo extract in the pharmaceutical composition of the present invention can be appropriately selected from the range of 0.0001 to 100% by weight, preferably 0.001 to 99% by weight, based on the total amount of the pharmaceutical composition.

本発明の医薬組成物の投与方法は特に限定されず、例えば、動脈内投与、静脈内投与、口腔内投与、直腸投与、経皮投与、経腸投与、経口投与などにより行うことができる。   The administration method of the pharmaceutical composition of the present invention is not particularly limited, and can be performed by, for example, intraarterial administration, intravenous administration, buccal administration, rectal administration, transdermal administration, enteral administration, oral administration and the like.

本発明の医薬組成物は、ヒトを含む哺乳動物に対して投与される。   The pharmaceutical composition of the present invention is administered to mammals including humans.

本発明の医薬組成物の投与量は、患者の体重、年齢、性別、症状などの種々の条件に応じて適宜決定することができる。   The dosage of the pharmaceutical composition of the present invention can be appropriately determined according to various conditions such as the body weight, age, sex, and symptoms of the patient.

本発明の医薬組成物は、光線力学的療法(photodynamic therapy: PDT)に有用である。   The pharmaceutical composition of the present invention is useful for photodynamic therapy (PDT).

光線力学的療法とは、光感受性物質と低出力レーザーとの併用療法であり、光感受性物質を患者に投与した後、病巣部にレーザー光を照射することにより光感受性物質が励起されて活性酸素が生成して抗腫瘍効果が得られる。   Photodynamic therapy is a combination therapy of a photosensitizer and a low-power laser. After the photosensitizer is administered to the patient, the photosensitizer is excited by irradiating the lesion with laser light, and active oxygen To produce an antitumor effect.

本発明の医薬組成物は、例えば癌に対して治療効果を有すると考えられる。本発明の医薬組成物により治療可能な癌の種類としては、胃癌、直腸癌、結腸癌、肝臓癌、膵臓癌、肺癌、咽頭癌、食道癌、腎癌、胆のう・胆管癌、頭頸部癌、膀胱癌、前立腺癌、乳癌、子宮癌、卵巣癌、脳腫瘍等が挙げられる。   The pharmaceutical composition of the present invention is considered to have a therapeutic effect on, for example, cancer. The types of cancer that can be treated by the pharmaceutical composition of the present invention include stomach cancer, rectal cancer, colon cancer, liver cancer, pancreatic cancer, lung cancer, pharyngeal cancer, esophageal cancer, renal cancer, gallbladder / bile duct cancer, head and neck cancer, Examples include bladder cancer, prostate cancer, breast cancer, uterine cancer, ovarian cancer, and brain tumor.

本発明の医薬組成物が有効成分とする藍の抽出物は、光応答性の一重項酸素生成能を有しているので、本発明の医薬組成物を患者に投与後に、励起波長のレーザー光を癌等の治療部位に照射することで治療部位において一重項酸素が生成され、癌細胞等の細胞を死滅させることができると期待される。そのため、目的とする癌細胞のみを効果的に死滅させることが可能となり、副作用の軽減が期待できる。   The indigo extract, which is an active ingredient of the pharmaceutical composition of the present invention, has a photoresponsive singlet oxygen generation ability, and therefore, after administration of the pharmaceutical composition of the present invention to a patient, laser light having an excitation wavelength is used. Is expected to be able to kill cells such as cancer cells by generating singlet oxygen at the treatment site. Therefore, it becomes possible to effectively kill only the target cancer cells, and reduction of side effects can be expected.

以下、本発明を更に詳しく説明するため実施例を挙げる。しかし、本発明はこれら実施例等になんら限定されるものではない。   Examples are given below to illustrate the present invention in more detail. However, the present invention is not limited to these examples.

試験例1
タデ科の藍の一種である千本(学名:Polygonim tinctorium Lour., Syn: Persicaria tinctoria (Aiton) H. Gross)という品種の藍の葉を高温処理(80℃、48時間)して酵素を失活させた葉(高葉)と、対象として低温処理(60℃、48時間)した葉(低葉)、乾燥茎(茎)、及び未処理の乾燥葉(千本)の4種類の試料をシリカゲルデシケーターで乾燥させた。乾燥試料0.3 gを4.5 mLのDMF (ジメチルホルムアミド)に24時間浸し振盪抽出を行った。抽出液を遠心処理(1000×g)して得られたDMF試料溶液100μLに、スピントラップ剤であるTPC (2,2,5,5-tetramethyl-3-pyrroline-3-carboxamide)のDMF溶液(1M) 10μLを加え、更にDMFで全量を1 mLとした。
Test example 1
Enzyme is inactivated by high-temperature treatment (80 ° C, 48 hours) of indigo leaves of a cultivar called Thousands (scientific name: Polygonim tinctorium Lour., Syn: Persicaria tinctoria (Aiton) H. Gross) Silica gel desiccator with 4 types of samples: lethal leaves (high leaves), low temperature treated (60 ° C, 48 hours) leaves (low leaves), dried stems (stems), and untreated dried leaves (thousands) And dried. 0.3 g of the dried sample was immersed in 4.5 mL of DMF (dimethylformamide) for 24 hours and subjected to shaking extraction. To 100 μL of the DMF sample solution obtained by centrifuging the extract (1000 × g), a DMF solution of TPC (2,2,5,5-tetramethyl-3-pyrroline-3-carboxamide) as a spin trap agent ( 1M) 10 μL was added, and the total volume was adjusted to 1 mL with DMF.

得られた溶液をガラス製キャピラリー(Drummond社製10μL)3本に取り、蛍光灯(日本グローバル照明社製、パールボール 電球形蛍光灯EFS13C-P、照度30,000ルクス)の光を3分間照射した後、電子スピン共鳴(Electron Paramagnetic Resonance: EPR)装置で一重項酸素によるTPC由来ラジカル種を測定した。各測定は3回ずつ行い、測定条件は、測定磁場3505±100ガウス、磁場変調100kHz、±1ガウス、時定数81.92 msec、変換時間117 msec、周波数9.819GHz、出力10 mWであった。また、一重項酸素の特異的な消去剤であるアジ化ナトリウム(NaN3)を最終濃度が50 mMになるように添加し、同様に光を照射して測定した。 After the obtained solution was placed in three glass capillaries (Drummond 10 μL) and irradiated with light from a fluorescent lamp (Nihon Global Lighting Co., Ltd., Pearl Ball bulb-type fluorescent lamp EFS13C-P, illuminance 30,000 lux) for 3 minutes TPC-derived radical species due to singlet oxygen were measured by an electron spin resonance (Electron Paramagnetic Resonance: EPR) apparatus. Each measurement was performed three times, and measurement conditions were a measurement magnetic field of 3505 ± 100 gauss, a magnetic field modulation of 100 kHz, ± 1 gauss, a time constant of 81.92 msec, a conversion time of 117 msec, a frequency of 9.819 GHz, and an output of 10 mW. Further, sodium azide (NaN 3 ), which is a specific scavenger for singlet oxygen, was added so that the final concentration was 50 mM, and the measurement was performed by irradiating light in the same manner.

測定原理は、TPCに一重項酸素が作用すると、TPCがラジカル化して、特異的な3本線からなるEPRシグナルを呈することを利用するものである。結果を図1に示す。   The measurement principle utilizes the fact that when singlet oxygen acts on TPC, TPC is radicalized and exhibits a specific three-line EPR signal. The results are shown in FIG.

図1に示す様に、同一重量の試料から高温処理葉、低温処理葉、乾燥茎、乾燥葉でほぼ同じ強度のTPCラジカルが発生したのに対し、一重項酸素の特異的阻害剤であるアジ化ナトリウムが共存すると、いずれもTPCラジカルの生成が大きく減弱した。一方、藍の青色色素成分であるindigo (1 mM)は、既報の通りほとんど一重項酸素を生成しなかった。また、TPC自身も光照射によってごくわずかEPRシグナルを呈したが、今回の実験結果に影響を与えるものでは無かった。   As shown in Fig. 1, TPC radicals of almost the same strength were generated from the same weight sample in the high-temperature treated leaves, low-temperature treated leaves, dried stems, and dried leaves, whereas the singlet oxygen specific inhibitor Aji In the presence of sodium fluoride, the production of TPC radicals was greatly attenuated in all cases. On the other hand, indigo (1 mM), the blue pigment component of indigo, produced almost no singlet oxygen as previously reported. TPC itself also showed very little EPR signal when irradiated with light, but this did not affect the results of this experiment.

試験例2
タデ科の藍の一種である千本(上記)の乾燥茎をハンマーミル(吉田製作所社製、卓上型高速ハンマーミル 型式:1018-ST)で粉砕し、その粉末20 gにジクロロメタンを150 mL加え1日静置し、上清(ジクロロメタン層)を除いた。この操作をもう一度繰り返しクロロフィルを除去したあと、ジクロロメタンを蒸発・除去し、残った茎の粉末にアセトン:水(4:1)混合溶液を100 mL加え攪拌後、上清を回収した。この上清をエバポレーターで減圧下濃縮し、濃茶色の試料を得た。
Test example 2
Thousands (above) of dried stalks, a kind of indigo plant, are ground with a hammer mill (Yoshida Seisakusho, desktop high-speed hammer mill model: 1018-ST), and 150 mL of dichloromethane is added to 20 g of the powder. The solution was allowed to stand on the day, and the supernatant (dichloromethane layer) was removed. This operation was repeated once again, after removing chlorophyll, dichloromethane was evaporated and removed, 100 mL of a mixed solution of acetone: water (4: 1) was added to the remaining stem powder, and the supernatant was recovered after stirring. The supernatant was concentrated under reduced pressure using an evaporator to obtain a dark brown sample.

この試料をTLC (メルク社製、シリカゲル60、20×20cm)にスポットし、展開溶媒(クロロホルム:メタノール=85:15)で展開した。その結果、上端から緑1(Rf=0.82)、青(Rf=0.73)、赤(Rf=0.65)、緑2(Rf=0.45)の4つのスポットが得られたので、それらを回収し、展開溶媒で抽出して窒素気流下乾燥させ、試料とした。個々の試料を6 mg/mLのDMF溶液とし、これに最終濃度が10 mMになるようにTPCを加え、試料溶液を3本のキャピラリー(Drummond社製10μL)に充填し、青色のLED(中心波長453 nm、50,000ルクス)を3分間照射して試験例1と同様の方法によりEPRを測定した。結果を図2に示す。   This sample was spotted on TLC (manufactured by Merck, silica gel 60, 20 × 20 cm) and developed with a developing solvent (chloroform: methanol = 85: 15). As a result, four spots of green 1 (Rf = 0.82), blue (Rf = 0.73), red (Rf = 0.65), and green 2 (Rf = 0.45) were obtained from the upper end. The sample was extracted with a solvent and dried under a nitrogen stream to prepare a sample. Add each sample to a 6 mg / mL DMF solution, add TPC to a final concentration of 10 mM, fill the sample solution into three capillaries (10 μL from Drummond), and add a blue LED (center EPR was measured by the same method as in Test Example 1 after irradiation for 3 minutes at a wavelength of 453 nm and 50,000 lux). The results are shown in FIG.

図2に示すよう、得られた4つの有色試料全てで光照射によるTPCラジカルの生成が観察された。このことから、藍の茎には一重項酸素生成を促進する増感物質が少なくとも4種類含まれている事が明らかとなった。   As shown in FIG. 2, generation of TPC radicals by light irradiation was observed in all four colored samples obtained. From this, it became clear that the indigo stalk contains at least four kinds of sensitizers that promote the generation of singlet oxygen.

Claims (7)

藍又は藍の抽出物を含有する光応答性消臭抗菌剤。   Photoresponsive deodorant antibacterial agent containing indigo or indigo extract. 光照射により一重項酸素を発生させる、請求項1に記載の光応答性消臭抗菌剤。   The photoresponsive deodorizing antibacterial agent according to claim 1, wherein singlet oxygen is generated by light irradiation. 前記光が可視光である、請求項1又は2に記載の光応答性消臭抗菌剤。   The photoresponsive deodorant antibacterial agent according to claim 1 or 2, wherein the light is visible light. 請求項1〜3のいずれか一項に記載の光応答性消臭抗菌剤を含む光応答性消臭抗菌製品。   The photoresponsive deodorant antibacterial product containing the photoresponsive deodorant antibacterial agent as described in any one of Claims 1-3. 前記光応答性消臭抗菌製品が、衣料用品、動物用品、介護用品、医療用品、インテリア用品、又は日用品である、請求項4に記載の光応答性消臭抗菌製品。   The photoresponsive deodorant and antibacterial product according to claim 4, wherein the photoresponsive deodorant and antibacterial product is a clothing product, an animal product, a care product, a medical product, an interior product, or a daily product. 藍の抽出物を含有する光線力学的療法用の医薬組成物。   A pharmaceutical composition for photodynamic therapy comprising an indigo extract. 酸素存在下で請求項1〜3のいずれか一項に記載の光応答性消臭抗菌剤に光照射する工程
を含む、該光応答性消臭抗菌剤を用いた消臭殺菌方法。
A deodorizing and sterilizing method using the photoresponsive deodorant antibacterial agent, comprising a step of irradiating the photoresponsive deodorant antibacterial agent according to any one of claims 1 to 3 in the presence of oxygen.
JP2016037250A 2016-02-29 2016-02-29 Photoresponsive deodorant antibacterial agent Pending JP2017154985A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021116253A (en) * 2020-01-24 2021-08-10 学校法人帝京平成大学 Bactericide used for photodynamic therapy
JP7154852B2 (en) 2018-07-18 2022-10-18 矢崎総業株式会社 vehicle charger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7154852B2 (en) 2018-07-18 2022-10-18 矢崎総業株式会社 vehicle charger
JP2021116253A (en) * 2020-01-24 2021-08-10 学校法人帝京平成大学 Bactericide used for photodynamic therapy
JP7212229B2 (en) 2020-01-24 2023-01-25 学校法人帝京平成大学 Fungicide for use in photodynamic therapy

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