JPWO2020166527A1 - 乳幼児用飲食品、乳幼児の腸内環境の改善方法、及び乳幼児の免疫力の増強方法 - Google Patents
乳幼児用飲食品、乳幼児の腸内環境の改善方法、及び乳幼児の免疫力の増強方法 Download PDFInfo
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Abstract
Description
[1]有効量のニコチンアミドモノヌクレオチドを含むことを特徴とする乳幼児用飲食品。
[2]腸内環境の改善に用いられる、前記[1]に記載の乳幼児用飲食品。
[3]免疫力の増強に用いられる、前記[1]又は[2]に記載の乳幼児用飲食品。
[4]前記乳幼児が幼児である、前記[1]〜[3]のいずれかに記載の乳幼児用飲食品。
[5]ニコチンアミドモノヌクレオチド量換算で、乳児一人1日当たり、0.2〜220mgの範囲で提供される量のニコチンアミドモノヌクレオチドを含む、前記[1]〜[4]のいずれかに記載の乳幼児用飲食品。
[6]前記乳幼児用飲食品は、育児用粉乳である、前記[1]〜[5]のいずれかに記載の乳幼児用飲食品。
[7]腸内環境が悪化している乳児に、前記[1]〜[6]のいずれかに記載の乳幼児用飲食品を摂取させる工程があることを特徴とする、乳児の腸内環境の改善方法。
[8]免疫力の低い乳児に、前記[1]〜[6]のいずれかに記載の乳幼児用飲食品を乳児に摂取させる工程があることを特徴とする、乳児の免疫力の増強方法。
[9]前記乳幼児用飲食品の摂取量が、該飲食品に含まれるニコチンアミドモノヌクレオチド量換算で、乳幼児一人1日当たり、0.2〜220mgの範囲となる量である、前記[7]又は[8]に記載の方法。
細菌やウイルスに感染したときに最初にB細胞から作られる抗体であるIgMについて、ニコチンアミドモノヌクレオチドを含む乳幼児用飲食品の摂取による血液中のIgM濃度の変化を確認するため、1.8〜6.5歳の男女の幼児を対象に試験を行った。23人の幼児を2群に分け、一方の群(11人)には粉ミルク単独を、他方の群(12人)にはニコチンアミドモノヌクレオチドを添加した粉ミルク(化合物(+))を、1日1回午前中に、約30日間にわたり毎日継続して授乳させ、授乳前と約30日間の授乳後において、それぞれの群における血液中のIgM濃度(mg/dl)を測定し、その平均値を求めた(授乳前の血液中のIgM濃度が120mg/dl未満の被験者は除く)。なお、ニコチンアミドモノヌクレオチドを添加した粉ミルクを授乳させた群においては、ニコチンアミドモノヌクレオチドを1日あたり100mg含む粉ミルクを授乳させた。結果を図2に示す。図2に示すように、ニコチンアミドモノヌクレオチドを添加した粉ミルクを授乳させた群は、粉ミルク単独の群に比べて授乳前から授乳後にかけてIgM濃度がより多く上昇した。この結果から、本発明の乳幼児用飲食品が血液中のIgM濃度を増加させるうえで有効であることがわかった。
細菌やウイルスの感染予防に役立ち、抗原特異性が低く、全身の粘膜部分で主体的に働くIgAについて、ニコチンアミドモノヌクレオチドを含む乳幼児用飲食品の摂取による血液中のIgA濃度の変化を確認するため、実施例1と同様の方法、条件にて試験を行い、それぞれの群における血液中のIgA濃度(mg/dl)を測定し、その平均値を求めた。結果を図3に示す。図3に示すように、ニコチンアミドモノヌクレオチドを添加した粉ミルクを授乳させた群は、粉ミルク単独の群に比べて授乳前から授乳後にかけてIgA濃度がより多く上昇した。この結果から、本発明の乳幼児用飲食品が血液中のIgA濃度を増加させるうえで有効であることがわかった。
CD8陽性T細胞は、病原微生物、特にウイルス排除に中心的な役割を果たすことが知られているが、ニコチンアミドモノヌクレオチドを含む乳幼児用飲食品の摂取による血液中のCD8陽性T細胞数の変化を確認するため、実施例1と同様の方法、条件にて試験を行い、それぞれの群における血液中のCD8陽性T細胞数(cell/μl)を測定し、その平均値を求めた(授乳前の血液中のCD8陽性T細胞数が被験者の年齢に対応する基準範囲外の被験者は除く)。結果を図4に示す。図4に示すように、ニコチンアミドモノヌクレオチドを添加した粉ミルクを授乳させた群は、粉ミルク単独の群に比べて授乳前から授乳後にかけてCD8陽性T細胞数がより多く上昇した。この結果から、本発明の乳幼児用飲食品がCD8陽性T細胞を誘導して血液中のCD8陽性T細胞数を増加させるうえで有効であることがわかった。
Claims (9)
- 有効量のニコチンアミドモノヌクレオチドを含むことを特徴とする乳幼児用飲食品。
- 腸内環境の改善に用いられる、請求項1に記載の乳幼児用飲食品。
- 免疫力の増強に用いられる、請求項1又は2に記載の乳幼児用飲食品。
- 前記乳幼児が乳児である、請求項1〜3のいずれか1項に記載の乳幼児用飲食品。
- ニコチンアミドモノヌクレオチド量換算で、乳幼児一人1日当たり、0.2〜 220mgの範囲で提供される量のニコチンアミドモノヌクレオチドを含む、請求項1〜4のいずれか1項に記載の乳幼児用飲食品。
- 前記乳幼児用飲食品が育児用粉乳である、請求項1〜5のいずれか1項に記載の乳幼児用飲食品。
- 腸内環境が悪化している乳幼児に、請求項1〜6のいずれか1項に記載の乳幼児用飲食品を摂取させる工程があることを特徴とする、乳幼児の腸内環境の改善方法。
- 免疫力の低い乳幼児に、請求項1〜6のいずれか1項に記載の乳幼児用飲食品を摂取させる工程があることを特徴とする、乳幼児の免疫力の増強方法。
- 前記乳幼児用飲食品の摂取量が、該飲食品に含まれるニコチンアミドモノヌクレオチド量換算で、乳幼児一人1日当たり、0.2〜220mgの範囲となる量である、請求項7又は8に記載の方法。
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JP2015519388A (ja) * | 2012-06-15 | 2015-07-09 | コナリス リサーチ インスティチュート アーゲー | ニコチン酸および/もしくはニコチンアミドならびに/またはトリプトファンを含有する、腸内微生物叢によい影響を及ぼすための医薬組成物 |
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JPH0685684B2 (ja) | 1986-01-17 | 1994-11-02 | 雪印乳業株式会社 | ガングリオシド添加粉乳 |
JP2514375B2 (ja) | 1987-08-26 | 1996-07-10 | 雪印乳業株式会社 | 感染防御能を付与した育児用粉乳 |
JP2514375Y2 (ja) | 1991-05-28 | 1996-10-16 | 松下電工株式会社 | 床材の支持脚 |
JP3087394B2 (ja) | 1991-11-19 | 2000-09-11 | 日本電気株式会社 | 2進算術符号器 |
JP4008974B2 (ja) | 1996-12-12 | 2007-11-14 | 森永乳業株式会社 | ビフィズス菌増殖促進組成物及びその用途 |
JP6641240B2 (ja) * | 2016-06-27 | 2020-02-05 | オリエンタル酵母工業株式会社 | ナチュラルキラー細胞の活性化剤 |
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US20220095665A1 (en) | 2022-03-31 |
CN113438896B (zh) | 2024-10-29 |
JP2023123785A (ja) | 2023-09-05 |
EP3925450A1 (en) | 2021-12-22 |
EP3925450A4 (en) | 2022-09-21 |
CN113438896A (zh) | 2021-09-24 |
WO2020166527A1 (ja) | 2020-08-20 |
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