JP2022008620A - 栄養豊富な発芽性組成物及び芽胞培養方法 - Google Patents
栄養豊富な発芽性組成物及び芽胞培養方法 Download PDFInfo
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Abstract
【解決手段】細菌種の芽胞の発芽を補助する栄養-発芽性組成物であって、L-アラニン、L-アスパラギン、L-バリン、L-システイン、大豆タンパク質の加水分解物、又はそれらの組合せを含むアミノ酸と、燐酸塩緩衝剤等の緩衝剤と、工業用防腐剤を含み、任意に細菌芽胞を含むことができる。使用場所で細菌種の芽胞の発芽を増加させる方法は、栄養-発芽性組成物及び好ましくは1又は2種以上のバチルス種からなる細菌芽胞を準備することと、使用場所又はその近傍の酸素存在下で、約35℃~60℃の範囲の温度に加熱するステップと、約2~60分の培養時間の間、前記範囲の温度を維持して、活性化細菌を含む発芽した細菌溶液を生成するステップと、を含む。
【選択図】図1
Description
芽胞を発芽させるために、FreeFlow LF-88プロバイオティクス(NCH Corporationから商業的に入手可能な芽胞液体配合物)を約1mlの水道水に加えて、最終濃度を約1×109CFU/mL(CFUはコロニー形成単位を表す)にする。本発明の好ましい実施形態による発芽誘起栄養素濃縮組成物は、L-アラニン(89g/L)、燐酸一ナトリウム(20g/L)、燐酸二ナトリウム(60g/L)及びリンガードCP(合計1.6g/L)を含み、当該組成物を、水及び細菌混合物に添加して、栄養-発芽性組成物の最終濃度を混合物の総重量の4%にした。比較のために、栄養発芽性濃縮組成物は添加せずに、同じ量のFreeFlow LF-88プロバイオティクスと水を用いた陰性対照反応を調製した。両方の混合物(発芽剤と、栄養-発芽性組成物を含まない陰性対照)を混合し、予め培養されたヒートブロックの中で、42℃又は周囲室温(約23℃)で60分間培養した。
実施例1に記載された同じ試験混合物/培養法(同じ栄養-発芽性組成物を使用し、加熱して培養を行なったもの「栄養処理され42℃で培養された芽胞」)と、対照混合物/培養方法(栄養-発芽性組成物を使用せず、加熱せずに培養を行なったもの「栄養処理されずに23℃で培養された芽胞」)を用いて、別の培養試験を繰り返して行なった。異なる点は、本発明の好ましい実施形態に係る試験混合物の効率を対照混合物と比較するために行なったことである。さらに、他の2種類の混合物を試験した。1つは、実施例1の栄養-発芽性組成物を用いたが加熱しないもの(「栄養処理され23℃で培養された芽胞」)であり、もう1つは、栄養-発芽性組成物を使用しないで加熱したもの(「栄養処理されず42℃で培養された芽胞」)である。簡潔に記載すると、好ましい栄養-発芽性組成物で処理した芽胞と処理していない芽胞とを、42℃又は23℃で1時間培養したということである。培養後、各反応液1mLの芽胞を23℃の14K RPMで3分間ペレット化し、Butterfield緩衝液1mLの中で再懸濁した。約6×105CFU(0.02mL)を、0.980mLのDavis最少培地(炭素源として3%グルコース及び微量元素を含む)を過剰のD-アラニンと共に添加した。D-アラニンは、L-アミノ酸培地での発芽の強力な阻害剤である。
上記実施例1に記載したのと同様の試験及び対照混合物及び培養法を用いて別の培養試験を行なった。簡潔に記載すると、LF-88を約10mLの蒸留水に加えて、最終濃度は約108CFU/mLである。種々の温度で培養した試料は、対照混合物と比べて、本発明の好ましい実施形態に係る試験方法の有効性を示した。反応物は、実施例1に記載された栄養-発芽性組成物(図3の「処理された芽胞」)を準備し、23℃(周囲温度で加熱なし)、32℃、42℃、又は60℃で培養した。対照反応物は、栄養-発芽性組成物を含まない組成物で、周囲室内温度で培養した。培養1時間後、各反応物1mLを、23℃にて14K RPMで3分間ペレット化し、Butterfield緩衝液中で再懸濁させた。約6×105CFU(0.02mL)を0.980mLのDavis最少培地(炭素源として3%グルコースと微量元素を含む)を過剰のD-アラニンと共に添加した。
Claims (29)
- 使用場所で細菌芽胞を発芽させる方法であって、
栄養-発芽性組成物が含まれない場合、栄養-発芽性組成物及びある細菌種の芽胞を準備するステップと、
前記栄養-発芽性組成物及び芽胞を、約35℃~60℃の温度に加熱するステップと、
約2~60分の培養期間の間、温度を前記温度範囲維持して、発芽した芽胞溶液を生成するステップと、を含む、方法。 - 栄養-発芽性組成物は濃縮された液体の形態であり、
栄養-発芽性組成物に希釈剤を加えるステップと、
培養期間中、希釈された栄養-発芽性組成物と細菌芽胞とを混合するステップと、をさらに含み、
希釈された栄養-発芽性組成物の濃度が、約0.1%~10%である、請求項1の方法。 - 温度範囲は、約41℃~44℃である、請求項1の方法。
- 発芽した芽胞溶液を使用場所に分配するステップをさらに含み、前記使用場所は、動物の飼料、動物用の水、動物の寝床、植物、池、廃水システム又は排水を含む、請求項3の方法。
- 栄養-発芽性組成物は、
L-アミノ酸と、
燐酸塩緩衝剤、HEPES、Tris塩基、又はそれらの組合せを含む1又は2種以上の緩衝剤と、
工業用防腐剤と、
任意選択的にD-グルコース、又は任意選択的にD-フルクトース、又は任意選択的にD-グルコース及びD-フルクトースの両方と、
任意選択的にカリウムイオン源と、を含む、請求項1の方法。 - L-アミノ酸は、L-アラニン、L-アスパラギン、L-バリン、L-システイン、大豆タンパク質の加水分解物、又はそれらの組合せである、請求項5の方法。
- 栄養-発芽性組成物は、1又は2種以上のL-アミノ酸を合計で約17.8~89g/L含む、請求項5の方法。
- 栄養-発芽性組成物は、バチルス種の芽胞と、任意選択的に発芽阻害剤と、をさらに含む、請求項5の方法。
- 発芽阻害剤又は防腐剤は、塩化ナトリウム、D-アラニン、又はそれらの組合せを含む、請求項8の方法。
- 栄養-発芽性組成物は、塩化ナトリウムを約29g/L~117g/L含む、請求項9の方法。
- 栄養-発芽性組成物は、D-アラニンを約8g/L~116g/L含む、請求項9の方法。
- バチルス種は、バチルス・リケニフォルミス、バチルス・サブチリス、バチルス・アミロリケファシエンス、バチルス・ポリミキサ、バチルス・チューリンゲンシス、バチルス・メガテリウム、バチルス・コアグランス、バチルス・レンタス、バチルス・クラウジ、バチルス・シルクランス、バチルス・フィルムス、バチルス・ラクティス、バチルス・ラテロスポルス、バチルス・ラエボラクティクス、バチルス・ポリミキサ、バチルス・プミルス、バチルス・シンプレックス、バチルス・スファエリクス又はそれらの組合せである、請求項8の方法。
- バチルス種は、消費する動物の消化管、廃水又は排水ラインの中の有機物の分解を補助する酵素を産生する能力を有する、請求項8の方法。
- 酵素は、アミラーゼ、プロテアーゼ、リパーゼ、エステラーゼ、ウレアーゼ、セルラーゼ、キシラナーゼ、又はそれらの組合せを含む、請求項13の方法。
- 栄養-発芽性組成物は、
約8.9~133.5g/Lの1又は2種以上のL-アミノ酸と、
合計で約0.8~3.3g/Lの1又は2種以上の工業用防腐剤と、
合計で約40~126の1又は2種以上の燐酸塩緩衝剤、約15~61g/LのTris塩基若しくは約32.5~97.5g/LのHEPES、又はそれらの組合せと、
任意選択的に約18~54g/LのD-グルコース、D-フルクトース、又はそれらの組合せと、
任意選択的に約7.4~22.2g/LのKClと、を含む濃縮液体である、請求項1の方法。 - 栄養-発芽性組成物に希釈剤を加えるステップと、
培養期間中、希釈された栄養-発芽性組成物と細菌芽胞とを混合するステップと、をさらに含む、請求項15の方法。 - 希釈された栄養-発芽性組成物の濃度は、約0.1%~10%である、請求項16の方法。
- 細菌芽胞の発芽を補助する栄養-発芽性組成物であって、
L-アミノ酸と、
燐酸塩緩衝剤、HEPES、Tris塩基、又はそれらの組合せを含む1又は2種以上の緩衝剤と、
1又は2種以上の工業用防腐剤と、
任意選択的にD-グルコース、又は任意選択的にD-フルクトース、又は任意選択的にD-グルコース及びD-フルクトースの両方と、
任意選択的にカリウムイオン源と、を含む、栄養-発芽性組成物。 - L-アミノ酸は、L-アラニン、L-アスパラギン、L-バリン、L-システイン、大豆タンパク質の加水分解物、又はそれらの組合せである、請求項18の栄養-発芽性組成物。
- 1又は2種以上のL-アミノ酸を合計で約17.8~89g/L含む、請求項18の栄養-発芽性組成物。
- バチルス種の芽胞と、任意選択的に発芽阻害剤とをさらに含む、請求項18の栄養-発芽性組成物。
- 発芽阻害剤又は防腐剤は、塩化ナトリウム、D-アラニン、メチルクロロイソチアゾリノン、メチルイソチアゾリノン、又はそれらの組合せを含む、請求項21の栄養-発芽性組成物。
- 塩化ナトリウムを約29g/L~117g/L含む、請求項22の栄養-発芽性組成物。
- D-アラニンを約8g/L~116g/L含む、請求項22の栄養-発芽性組成物。
- バチルス種は、バチルス・リケニフォルミス、バチルス・サブチリス、バチルス・アミロリケファシエンス、バチルス・ポリミキサ、バチルス・チューリンゲンシス、バチルス・メガテリウム、バチルス・コアグランス、バチルス・レンタス、バチルス・クラウジ、バチルス・シルクランス、バチルス・フィルムス、バチルス・ラクティス、バチルス・ラテロスポルス、バチルス・ラエボラクティクス、バチルス・ポリミキサ、バチルス・プミルス、バチルス・シンプレックス、バチルス・スファエリクス又はそれらの組合せである、請求項21の栄養-発芽性組成物。
- バチルス種は、消費する動物の消化管、廃水又は排水ラインの中の有機物の分解を補助する酵素を産生する能力を有する、請求項21の栄養-発芽性組成物。
- 酵素は、アミラーゼ、プロテアーゼ、リパーゼ、エステラーゼ、ウレアーゼ、セルラーゼ、キシラナーゼ、又はそれらの組合せを含む、請求項26の組成物。
- 約8.9~133.5g/Lの1又は2種以上のL-アミノ酸と、
合計で約0.8~3.3g/Lの1又は2種以上の工業用防腐剤と、
合計で約40~126の1又は2種以上の燐酸塩緩衝剤、約15~61g/LのTris塩基若しくは約32.5~97.5g/LのHEPES、又はそれらの組合せと、
任意選択的に約18~54g/LのD-グルコース、D-フルクトース、又はそれらの組合せと、
任意選択的に約7.4~22.2g/LのKClと、を含む濃縮液体である、請求項18の組成物。 - 燐酸塩緩衝剤は、約15~30g/Lの燐酸一ナトリウムと、約30~90g/Lの燐酸二ナトリウムとを含む、請求項28の組成物。
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MY190858A (en) | 2022-05-12 |
US10610552B2 (en) | 2020-04-07 |
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CN108884434B (zh) | 2023-06-09 |
US11484556B2 (en) | 2022-11-01 |
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US20170281696A1 (en) | 2017-10-05 |
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