JPWO2007066642A1 - 皮膚の乾燥予防または改善用経口剤 - Google Patents
皮膚の乾燥予防または改善用経口剤 Download PDFInfo
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- JPWO2007066642A1 JPWO2007066642A1 JP2007549124A JP2007549124A JPWO2007066642A1 JP WO2007066642 A1 JPWO2007066642 A1 JP WO2007066642A1 JP 2007549124 A JP2007549124 A JP 2007549124A JP 2007549124 A JP2007549124 A JP 2007549124A JP WO2007066642 A1 JPWO2007066642 A1 JP WO2007066642A1
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- Prior art keywords
- citrulline
- preventing
- skin
- oral preparation
- salt
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Abstract
Description
(1)シトルリンまたはその塩を有効成分として含有する皮膚の乾燥予防または改善用経口剤。
(2)シトルリンまたはその塩の有効量を、必要とする対象に経口投与することを含む、皮膚の乾燥予防または改善方法。
(3)皮膚の乾燥予防または改善用経口剤の製造のための、シトルリンまたはその塩の使用。
シトルリンは、化学的に合成する方法、発酵生産する方法等により取得することができる。また、シトルリンは、市販品を購入することにより取得することもできる。
シトルリンを化学的に合成する方法としては、例えば、J. Biol. Chem. 122, 477 (1938)、J. Org. Chem. 6, 410 (1941)に記載の方法があげられる。
また、L-シトルリンおよびD-シトルリンは、シグマ−アルドリッチ社等より購入することもできる。
シトルリンの塩としては、酸付加塩、金属塩、アンモニウム塩、有機アミン付加塩、アミノ酸付加塩等があげられる。
金属塩としては、ナトリウム塩、カリウム塩等のアルカリ金属塩、マグネシウム塩、カルシウム塩等のアルカリ土類金属塩、アルミニウム塩、亜鉛塩等があげられる。
有機アミン付加塩としては、モルホリン、ピペリジン等の塩があげられる。
アミノ酸付加塩としては、グリシン、フェニルアラニン、リジン、アスパラギン酸、グルタミン酸等の塩があげられる。
本発明の皮膚の乾燥予防または改善用経口剤には、シトルリンまたはその塩に加え、適宜、各用途に適した添加剤を含有させることができる。
本発明の皮膚の乾燥予防または改善用経口剤を投与または摂取することにより皮膚の水分含量が上昇することから、皮膚の乾燥状態を予防または改善することができる。
肌荒れとは、乾燥により角質層がガサガサになる、肌の表面に触れたときにしっとりとした感覚がなくなる等の症状をいう。
手荒れとは、角質細胞間脂質が少ないなど、もともと体質的に皮膚が乾燥しやすい人が、炊事や洗濯等の水仕事を行ったり、シャンプーや毛染め液等の化学物質を繰り返し扱うことにより手に刺激が加わることにより生ずる、手肌における上記症状をいう。
本発明の皮膚の乾燥予防または改善用経口剤は、シトルリンまたはその塩を必要に応じ担体と一緒に混合し、製剤学の技術分野においてよく知られている任意の方法により製造することができる。
皮膚の乾燥予防または改善用経口剤の剤形としては、錠剤、散剤、顆粒剤、乳剤、シロップ剤、カプセル剤等があげられる。
剤形がシロップ剤等の液体調製物である場合は、水、蔗糖、ソルビトール、果糖等の糖類、ポリエチレングリコール、プロピレングリコール等のグリコール類、ごま油、オリーブ油、大豆油等の油類、p−ヒドロキシ安息香酸エステル類等の防腐剤、ストロベリーフレーバー、ペパーミント等のフレーバー類などを添加して、製剤化することができる。
本発明の皮膚の乾燥予防または改善用経口剤の投与量は、投与形態、投与される者の年齢、体重等に応じて異なるが、通常成人に対し一日あたりシトルリンまたはその塩として、100〜10000mg、好ましくは100〜2000mg、特に好ましくは200〜1000mgであり、1日に1回または数回に分けて投与する。投与期間は、特に限定はないが、通常は1日間〜1年間、好ましくは1週間〜3ケ月間である。
試験例1
試験には、HOS:HR−1マウス(オス、5週齢、チャールズ・リバー社より購入)を用いた。飼育条件は、室温22±2℃、湿度35±15%、飼料および水は自由摂取とした。
各飼料の給餌開始1週間後から5週間後まで1週間毎に、各マウスの背側大腿部上部の皮膚表面の水分含量をSKICON−200(IBS社製)を用いて測定した。測定は1匹のマウスあたり10回行ってその個体の平均値を求め、さらに各試験群の平均値を算出した。
相対表皮水分含量(%)=(A2/A1)×100
A1:第1群の表皮水分含量
A2:第2群の表皮水分含量
結果を図1に示す。
とが明らかとなった。
以下に、本発明の実施例を示す。
シトルリンを含有する錠剤を、常法により製造する。すなわち、下記の各成分を均一に混合し、この混合物を単発式打錠機にて打錠し、直径5mm、重量15mgの錠剤を得る。
成分 量
L-シトルリン 10.0g
乳糖 90.0g
乾燥コーンスターチ 2.0g
タルク 1.8g
ステアリン酸マグネシウム 0.2g
実施例1で得られる錠剤を粉砕、製粒し、篩別して20−50メッシュの顆粒剤を得る。
シトルリンを含有する飲料を、下記の各成分を均一に攪拌溶解し、精製水を加えて全量を1000mlとすることにより製造する。なお、下記成分中の適量とは、香料、色素に関しては、通常の飲料の製造に用いられる量であり、精製水に関しては、他の成分に加え、全量として1000mlにするために必要な量のことをいう。
L-シトルリン 5.0g
安息香酸ナトリウム 1.0g
果糖 10.0g
香料 適量
色素 適量
精製水 適量
下記の各成分からなるシトルリンを含有する飴を、常法により製造する。
成分 量
L-シトルリン 1.00g
粉末ソルビトール 98.75g
香料 0.20g
ソルビトールシード 0.05g
下記の各成分からなるシトルリンを含有する動物飼料を、常法により製造する。
成分 量
L-シトルリン 1.0g
ラード 5.0g
コーン油 1.0g
ショ糖 20.0g
セルロース 5.0g
塩化コリン 0.2g
ビタミン混合物 1.0g
ミネラル混合物 3.5g
コーンスターチ 44.3g
Claims (3)
- シトルリンまたはその塩を有効成分として含有する皮膚の乾燥予防または改善用経口剤。
- シトルリンまたはその塩の有効量を、必要とする対象に経口投与することを含む、皮膚の乾燥予防または改善方法。
- 皮膚の乾燥予防または改善用経口剤の製造のための、シトルリンまたはその塩の使用。
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WO2008105384A1 (ja) * | 2007-02-26 | 2008-09-04 | Kyowa Hakko Bio Co., Ltd. | シトルリン含有錠剤 |
US8466187B2 (en) * | 2007-09-18 | 2013-06-18 | Thermolife International, Llc | Amino acid compositions |
CN101868156B (zh) | 2007-11-16 | 2014-03-12 | 协和发酵生化株式会社 | 含瓜氨酸的饮料 |
JP5745751B2 (ja) * | 2009-04-22 | 2015-07-08 | 森永製菓株式会社 | ドライシンドロームの改善用組成物 |
KR20120123301A (ko) * | 2009-12-10 | 2012-11-08 | 가부시키가이샤 롯데 | 아토피성 피부염 예방제 |
AU2012242565B2 (en) | 2011-04-13 | 2017-05-11 | Thermolife International, Llc | N-Acetyl Beta Alanine methods of use |
CA2877953A1 (en) * | 2012-06-29 | 2014-01-03 | Masahiko Morita | Agent for preventing deterioration in vascular endothelial function or improving vascular endothelial function |
CA3111573A1 (en) * | 2018-09-24 | 2020-04-02 | Tastes Natural, Llc | Process for isolating taste-modifiers |
US11865139B2 (en) | 2020-11-12 | 2024-01-09 | Thermolife International, Llc | Method of treating migraines and headaches |
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JPS57163488A (en) | 1981-04-02 | 1982-10-07 | Ajinomoto Co Inc | Production of l-citrulline through fermentation process |
US5702688A (en) * | 1986-12-23 | 1997-12-30 | Tristrata Technology, Inc. | Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use |
DE4341000A1 (de) | 1993-12-02 | 1995-06-08 | Beiersdorf Ag | Verwendung von L-Arginin, L-Ornithin oder L-Citrullin und topischen Zubereitungen mit diesen Stoffen |
JP3843298B2 (ja) * | 2001-02-05 | 2006-11-08 | 国立大学法人 奈良先端科学技術大学院大学 | シトルリンを含有する活性酸素消去剤 |
JP2003300895A (ja) * | 2002-04-05 | 2003-10-21 | Masaki Shibuta | 蜂蜜入りスイカ糖及びその製造方法 |
US20030211133A1 (en) * | 2002-05-10 | 2003-11-13 | Special Ops Nutrition, L.L.C. | Ingestible composition for enhancing athletic performance |
EP1459736A1 (en) * | 2003-03-14 | 2004-09-22 | The Procter & Gamble Company | Skin care composition that increase and repair skin barrier function |
EP1614411B1 (en) * | 2003-03-19 | 2011-10-05 | Kanebo Cosmetics Inc. | Oily makeup cosmetics |
CN100418548C (zh) * | 2003-05-18 | 2008-09-17 | 漆又毛 | 一种药用组合物及其用途 |
JP2005306831A (ja) | 2004-04-20 | 2005-11-04 | Sakamoto Yakusoen:Kk | 皮膚外用剤 |
JP4887499B2 (ja) * | 2004-04-30 | 2012-02-29 | 国立大学法人 奈良先端科学技術大学院大学 | 野生種スイカ抽出物を含有する活性酸素消去剤ならびに保湿剤 |
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WO2007066642A1 (ja) | 2007-06-14 |
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