JP2012140351A - 歯磨剤組成物 - Google Patents
歯磨剤組成物 Download PDFInfo
- Publication number
- JP2012140351A JP2012140351A JP2010292866A JP2010292866A JP2012140351A JP 2012140351 A JP2012140351 A JP 2012140351A JP 2010292866 A JP2010292866 A JP 2010292866A JP 2010292866 A JP2010292866 A JP 2010292866A JP 2012140351 A JP2012140351 A JP 2012140351A
- Authority
- JP
- Japan
- Prior art keywords
- mass
- dentifrice composition
- viscosity
- methylcellulose
- sugar alcohol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Abstract
【解決手段】次の成分(A)、(B)、(C)及び(D):
(A)20℃における水に対する溶解度が10〜40質量%である糖アルコール 30〜65質量%、
(B)水 12〜30質量%、
(C)メチルセルロース 2〜7質量%、及び
(D)トレハロース及び/又はマルチトール 10〜30質量%
を含有し、25℃における粘度が750〜2500mPa・sであって、成分(A)と成分(B)との質量比(A/B)が1.25〜4.5である歯磨剤組成物。
【選択図】なし
Description
従って、本発明の課題は、溶解度の低い糖アルコールを多量含有し常温で低粘度でありながら、高温下での保形性、使用感の良好な歯磨剤組成物を提供することにある。
(A)20℃における水に対する溶解度が10〜40質量%である糖アルコール 30〜65質量%、
(B)水 12〜30質量%、
(C)メチルセルロース 2〜7質量%、及び
(D)トレハロース及び/又はマルチトール 10〜30質量%
を含有し、25℃におけるヘリパス粘度が750〜2500mPa・sであって、成分(A)と成分(B)との質量比(A/B)が1.25〜4.5である歯磨剤組成物を提供するものである。
また、エリスリトールの構造としては、L−エリスリトール、D−エリスリトール、meso−エリスリトールの3種の異性体が存在するが、本発明はこれらいずれの構造のものであってもよい。結晶状のエリスリトールは、市販品としては、日研化学(株)、三菱化学フーズ(株)、セレスター社製等のものが入手可能である。
篩:JIS標準篩 φ75mm
目開き:上段より、それぞれ500μm、355μm、250μm、180μm、125μm、90μm及び45μmの目開きを有する篩の下に受器を有する。
振盪機:ミクロ型電磁振動機M−2型(筒井理化学器機(株))
方法:試料15gを500μm篩上に載せ、電磁振動機にて5分間分級する。250μm、180μm、125μm、90μm及び45μmの目開きを有する篩上に存在する糖アルコールの合計量を粒子径45μm以上355μm未満の糖アルコールとする。
また、45μm未満の粒度分布は乾式レーザー分布回折式粒度分布測定装置により測定することができる。
表1に示す組成に従って、実施例1及び比較例1、2の歯磨剤組成物を調製した。なお、エリスリトール及びメチルセルロースは最後に添加した。
被験者10名(男性5名、女性5名)が、歯ブラシに各歯磨剤組成物1gをとり、約2分間自由にブラッシングし、歯磨きを行い口をすすいだ後のサッパリ感の強さを清涼感として、次の基準で評価した。なお、40℃で3日間の保存直後の歯磨剤組成物を用いで評価を行った。表1には10名中最も人数が多かった評価を示す。
◎:口の中のサッパリ感が強い
○:口の中のサッパリ感がやや強い
×:口の中のサッパリ感が弱い
歯磨剤組成物を40℃、又は50℃で、3日間保存した。製造直後の25℃の粘度及び40℃、又は50℃の保存後の各温度条件の粘度を測定した。粘度は、500mPa・s以上は、歯ブラシの上での保形性が十分にあり、450〜500mPa・sでは保形性はやや低いが歯ブラシ上に維持される程度であり、450mPa・s未満では歯ブラシから垂れた。
粘度は、25℃、40℃、又は50℃の保存状態で測定し、測定条件は、ヘリパス粘度計(東機産業株式会社製 TVB-10R)、ロータB、回転速度2.5rpm 1分間の測定条件により測定した。
Claims (4)
- 次の成分(A)、(B)、(C)及び(D):
(A)20℃における水に対する溶解度が10〜40質量%である糖アルコール 30〜65質量%、
(B)水 12〜30質量%、
(C)メチルセルロース 2〜7質量%、及び
(D)トレハロース及び/又はマルチトール 10〜30質量%
を含有し、25℃における粘度が750〜2500mPa・sであって、成分(A)と成分(B)との質量比(A/B)が1.25〜4.5である歯磨剤組成物。 - (C)メチルセルロースが、20℃における2質量%水溶液の粘度が2〜30mPa・sのものである請求項1記載の歯磨剤組成物。
- ソルビトールを含有しないか、又は3質量%以下の量で含有する請求項1又は2記載の歯磨剤組成物。
- メチルセルロース以外の粘結剤を0.8〜3質量%含有する請求項1〜3のいずれか1項記載の歯磨剤組成物。
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JPH10279825A (ja) * | 1997-02-10 | 1998-10-20 | Nichinou Kagaku Kogyo Kk | アントシアニン含有植物の色素精製濃縮液の品質の改良方法 |
JPH1171478A (ja) * | 1997-08-29 | 1999-03-16 | Santen Pharmaceut Co Ltd | 粘度低下防止方法 |
JP2000312572A (ja) * | 1999-04-30 | 2000-11-14 | Dai Ichi Kogyo Seiyaku Co Ltd | 蛋白飲料の沈殿防止剤 |
JP2001057851A (ja) * | 1999-08-23 | 2001-03-06 | T Hasegawa Co Ltd | 安定化された絹フィブロイン及びそれを含有する飲食品 |
WO2003016325A1 (fr) * | 2001-08-10 | 2003-02-27 | Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo | Compose d'association de trehalose ou maltitol avec un compose d'ion metallique |
JP2009023953A (ja) * | 2007-07-20 | 2009-02-05 | Kao Corp | 歯磨き組成物 |
JP2009280519A (ja) * | 2008-05-21 | 2009-12-03 | Kao Corp | 容器入り歯磨き組成物 |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10279825A (ja) * | 1997-02-10 | 1998-10-20 | Nichinou Kagaku Kogyo Kk | アントシアニン含有植物の色素精製濃縮液の品質の改良方法 |
JPH1171478A (ja) * | 1997-08-29 | 1999-03-16 | Santen Pharmaceut Co Ltd | 粘度低下防止方法 |
JP2000312572A (ja) * | 1999-04-30 | 2000-11-14 | Dai Ichi Kogyo Seiyaku Co Ltd | 蛋白飲料の沈殿防止剤 |
JP2001057851A (ja) * | 1999-08-23 | 2001-03-06 | T Hasegawa Co Ltd | 安定化された絹フィブロイン及びそれを含有する飲食品 |
WO2003016325A1 (fr) * | 2001-08-10 | 2003-02-27 | Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo | Compose d'association de trehalose ou maltitol avec un compose d'ion metallique |
JP2009023953A (ja) * | 2007-07-20 | 2009-02-05 | Kao Corp | 歯磨き組成物 |
JP2009280519A (ja) * | 2008-05-21 | 2009-12-03 | Kao Corp | 容器入り歯磨き組成物 |
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