JP2016166135A - 抗ウイルス用組成物 - Google Patents
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Landscapes
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- General Preparation And Processing Of Foods (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
【解決手段】式(1):
【化7】
〔式中、M1及びM2は、それぞれ独立に、水素原子、アルカリ金属原子又はアルカリ土類金属原子である〕
で表される2H−ピラン−2−オン−4,6−ジカルボン酸、そのアルカリ金属塩又はそのアルカリ土類金属塩を有効成分として含む抗ウイルス用組成物、及びその組成物を抗ウイルスを必要とする対象(例えば発酵槽)に添加することを含むウイルス汚染の防止方法。
【選択図】なし
Description
で表される2H−ピラン−2−オン−4,6−ジカルボン酸、そのアルカリ金属塩又はそのアルカリ土類金属原子を有効成分として含む抗ウイルス用組成物を提供する。特許文献9は、2H−ピラン−2−オン−4,6−ジカルボン酸又はそのアルカリ金属塩の抗菌剤及び殺菌剤としての用途を開示する。しかし、特許文献9は、抗ウイルス剤は記載も示唆もしない点で、本発明は新規性を有する。本明細書で、2H−ピラン−2−オン−4,6−ジカルボン酸、そのアルカリ金属塩又はそのアルカリ土類金属塩を、PDC等という。
で表される2H−ピラン−2−オン−4,6−ジカルボン酸、そのアルカリ金属塩又はそのアルカリ土類金属塩を有効成分とする抗ウイルス用組成物を、抗ウイルスを必要とする対象に添加することを含む、ウイルス汚染の防止方法を提供する。
で表される2H−ピラン−2−オン−4,6−ジカルボン酸(以下、PDCという)、そのアルカリ金属塩又はそのアルカリ土類金属塩を必須の有効成分とする。
で表される2H−ピラン−2−オン−4,6−ジカルボン酸、そのアルカリ金属塩又はそのアルカリ土類金属塩を有効成分とする抗ウイルス用組成物を、抗ウイルスを必要とする対象に添加することからなる、ウイルス汚染の防止方法を提供する。ウイルス汚染の防止方法の使用態様を、以下に例示する。
1.抗ウイルス用組成物の調製
特許文献10に記載の微生物発酵法に従って合成及び精製したPDCを水に希釈することにより、PDC濃度10μg/mL、25μg/mL、50μg/mL、250μg/mL、500μg/mL、及び2500μg/mLの組成物を調製した。また、PDC500μg/mLの組成物(pH3.0/Na調整)は、調製時に、NaOH水溶液により、pH3.0に調整した。
Qβファージ(NBRC 20012)のファージ液10μL(6.5×109PFU/mL:表1,3.5×1010PFU/mL:表2)を、水(ブランク)又は本発明の組成物1mLに加えて、表1,2に示す時間放置した。
その後、直ちに中和剤を加えて、ウイルスに対する本発明の組成物の作用を停止させた。
実施例1において、ウイルスをφ6ファージ(NBRC 105899)のファージ液10μL(3.9×107PFU/mL:表3、3.9×108PFU/mL:表4)に変更し、宿主菌をP.Syringae(NBRC 105640)に変更した以外は、実施例1と同様の手順で、抗ウイルス試験を実施した。φ6ファージの感染価及び感染価対数減少値の測定結果を表3及び4に示す。
1.抗ウイルス用組成物の調製
実施例1で合成及び精製したPDCを水に希釈することにより、PDC濃度250μg/mL、及び25μg/mLの組成物を調製した。
A型インフルエンザウイルス(H3N2)の試験ウイルス懸濁液1mL(4.5×107PFU/mL)を、PBS(対照)又は本発明の組成物9mLに加えて、25℃で5分間、放置した。放置後、混合液0.5mLを薬剤不活性化剤(SCDLP培地)4.5mLに加えて混合した。宿主細胞であるMDCK細胞(イヌ腎臓由来細胞)へのこれらの混合液によるウイルス感染価を、実施例1と同様の手順で、プラーク測定法により測定した。表5に結果を示す。
Claims (6)
- 式(1):
で表される2H−ピラン−2−オン−4,6−ジカルボン酸、そのアルカリ金属塩又はそのアルカリ土類金属塩を有効成分として含む抗ウイルス用組成物。 - 前記ウイルスがファージである、請求項1に記載の抗ウイルス用組成物。
- 式(1):
で表される2H−ピラン−2−オン−4,6−ジカルボン酸、そのアルカリ金属塩又はそのアルカリ土類金属塩を有効成分とする抗ウイルス用組成物を、抗ウイルスを必要とする対象に添加することを含む、ウイルス汚染の防止方法。 - 前記2H−ピラン−2−オン−4,6−ジカルボン酸、そのアルカリ金属塩又はそのアルカリ土類金属塩の濃度が、前記抗ウイルスを必要とする対象の容量に対して10〜1000μg/mLになるように、抗ウイルス用組成物を使用することを特徴とする、請求項3に記載のウイルス汚染の防止方法。
- 前記抗ウイルスを必要とする対象は、有用菌を用いた発酵食品の原料であることを特徴とする、請求項4に記載のウイルス汚染の防止方法。
- 前記ウイルスが、ファージである、請求項4に記載のウイルス汚染の防止方法。
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JP2015045674A JP6507345B2 (ja) | 2015-03-09 | 2015-03-09 | 抗ウイルス用組成物 |
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Publications (2)
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JPS6193116A (ja) * | 1984-10-15 | 1986-05-12 | Daikin Ind Ltd | 抗菌抗フア−ジ剤 |
JPS6193115A (ja) * | 1984-10-15 | 1986-05-12 | Daikin Ind Ltd | 抗菌抗フア−ジ剤 |
WO2008078723A1 (ja) * | 2006-12-22 | 2008-07-03 | Kabushiki Kaisha Toyota Jidoshokki | 抗菌剤及び殺菌剤 |
WO2009151146A1 (ja) * | 2008-06-12 | 2009-12-17 | 株式会社豊田自動織機 | 抗菌剤及び殺菌剤 |
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JPS6193116A (ja) * | 1984-10-15 | 1986-05-12 | Daikin Ind Ltd | 抗菌抗フア−ジ剤 |
JPS6193115A (ja) * | 1984-10-15 | 1986-05-12 | Daikin Ind Ltd | 抗菌抗フア−ジ剤 |
WO2008078723A1 (ja) * | 2006-12-22 | 2008-07-03 | Kabushiki Kaisha Toyota Jidoshokki | 抗菌剤及び殺菌剤 |
WO2009151146A1 (ja) * | 2008-06-12 | 2009-12-17 | 株式会社豊田自動織機 | 抗菌剤及び殺菌剤 |
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WO2020160226A1 (en) * | 2019-01-31 | 2020-08-06 | Locus Ip Company, Llc | Method for treating and/or preventing bacteriophage lysis during fermentation |
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