JP4705983B2 - 脂質吸収阻害剤 - Google Patents
脂質吸収阻害剤 Download PDFInfo
- Publication number
- JP4705983B2 JP4705983B2 JP2008513082A JP2008513082A JP4705983B2 JP 4705983 B2 JP4705983 B2 JP 4705983B2 JP 2008513082 A JP2008513082 A JP 2008513082A JP 2008513082 A JP2008513082 A JP 2008513082A JP 4705983 B2 JP4705983 B2 JP 4705983B2
- Authority
- JP
- Japan
- Prior art keywords
- theaflavin
- theaflavins
- gallate
- micelle
- cholesterol
- 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.)
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- 230000002401 inhibitory effect Effects 0.000 claims description 52
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- IPMYMEWFZKHGAX-ZKSIBHASSA-N theaflavin Chemical compound C1=C2C([C@H]3OC4=CC(O)=CC(O)=C4C[C@H]3O)=CC(O)=C(O)C2=C(O)C(=O)C=C1[C@@H]1[C@H](O)CC2=C(O)C=C(O)C=C2O1 IPMYMEWFZKHGAX-ZKSIBHASSA-N 0.000 claims description 51
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Images
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Description
1.(B)テアフラビン類を含む(D)ポリフェノールを含有し、前記(B)テアフラビン類が(A)テアフラビンモノガレートを含有することを特徴とする脂質吸収阻害組成物であって、これらの成分が以下の条件を満たす、ミセル形成阻害による脂質吸収阻害組成物
(1)含有重量比率[(A)/(B)]=0.4〜1
(2)(A)テアフラビンモノガレートの重量>(C)テアフラビンジガレートの重量
(3)含有重量比[(A)/(D)]=0.0184〜0.300
2.エピガロカテキンガレート及びエピカテキンガレートのいずれか又はこれらの組合せをさらに含有する上記1記載の脂質吸収阻害組成物、
3.ミセル形成阻害によって、腸上皮細胞を通じた体内へのミセル脂質の吸収を阻害することを特徴とする上記1又は2に記載の脂質吸収阻害組成物、
4.(B)テアフラビン類を含む(D)ポリフェノールを含有し、前記(B)テアフラビン類が(A)テアフラビンモノガレートを含有することを特徴とする飲食品であって、これらの成分が以下の条件を満たす、ミセル形成阻害による脂質吸収阻害用の飲食品、
(1)含有重量比率[(A)/(B)]=0.4〜1
(2)(A)テアフラビンモノガレートの重量>(C)テアフラビンジガレートの重量
(3)含有重量比[(A)/(D)]=0.0184〜0.300
5.エピガロカテキンガレート及びエピカテキンガレートのいずれか又はこれらの組合せをさらに含有する上記4記載の飲食品、
6.ミセル形成阻害によって、腸上皮細胞を通じた体内へのミセル脂質の吸収を阻害することを特徴とする上記4又は5に記載の飲食品
に関する。
(1)含有重量比率[(A)/(B)]=0.4〜1
(2)(A)テアフラビンモノガレートの重量>(C)テアフラビンジガレートの重量
(3)含有重量比[(A)/(D)]=0.0184〜0.300
の要件を全て満たすものをいう。エピガロカテキンガレート及びエピカテキンガレートもミセル形成阻害効果を有することから、前記脂質吸収阻害組成物にエピガロカテキンガレート及びエピカテキンガレートのいずれか又は両方を適宜添加すると、より効果的な脂質吸収阻害効果が得られる。また上記(1)〜(3)の要件を全て満たす飲食物を単独で使用しても良いが、エピガロカテキンガレート及びエピカテキンガレートのいずれか又は両方を適宜添加してもよい。本発明の脂質吸収阻害組成物の形態は特に制限されず、例えば、粉末状、顆粒状、液状、錠剤状、液状、乳液状、ペースト状等いずれの形態であってもよい。製剤には、公知材料を適宜配合して公知方法で調製することができる。
テアフラビン類は、ガレート体の有無及びガレート体の位置によりテアフラビン(ガレート体なし)(●)、テアフラビン−3−モノガレート(■)、テアフラビン−3’−モノガレート(□)、テアフラビン−3,3’−ジガレート(○)の4種類に分類されている。これら4種類のテアフラビン類について、ミセル内コレステロール脱離能を調べた。
テアフラビン−3,3’−ジガレート(●)のミセル内コレステロール脱離能を調べた。テアフラビン−3,3’−ジガレートのミセル内コレステロール脱離能は実施例1では見られなかったので、0〜2mmol/Lに添加量を増やして調べた。それ以外は、実施例1記載の方法に準じて実験した。結果を図2に示す。
テアフラビン類とカテキン類とのミセル内コレステロール阻害能を調べた。テアフラビン類(●)には、組成がテアフラビン9.1、テアフラビンモノガレート26.7(テアフラビン−3−モノガレート(3G)12.3及びテアフラビン−3’−モノガレート14.4)、テアフラビンジガレート10.0であるテアフラビン類(フナコシ社製)を作製して使用した(表1)。純度は89%であった。
0.5mMのコレステロール(シグマ社製)と、6.6mMのタウロコール酸ナトリウム(ナカライテスク社製)と、0.6mMの卵黄由来のホスファチジル・コリン(シグマ社製)と、132mMの塩化ナトリウム(NaCl)(ナカライテスク社製)と、15mMのリン酸ナトリウム(NaH2PO4・2H2O)(ナカライテスク社製)とからなるミセルを作成した。該ミセルを安定させるために37℃で24時間インキュベーションした。このミセル3mlにテアフラビン類(フナコシ社製)の溶液0.1mlを、ミセル1mlに対してそれぞれ0,200μg,800μgとなるように添加し、37℃で1時間インキュベーションした(n=3)。その後、220nmのフィルター(Whatman社製)で濾過し、清澄なミセル溶液を得た。得られたミセル溶液よりコレステロールを抽出し、ガスクロマトグラフ(島津製作所社製)を用い、5α−コレスタンを内部標準としてミセル内に残存するコレステロールの濃度を調べた。
L. et al., Proc Soc Exp Biol Med. 1976 Jan; 151(1):198-202.)に従い、酵素法により胆汁酸濃度を測定した。テアフラビン類、緑茶抽出物、エピガロカテキンガレートのいずれも胆汁酸濃度に対し何ら影響を示さなかった。結果を図4に示す。
ジガレート型テアフラビンとカテキン類(EGCG,ECG,EGCG+ECG)とのミセル内コレステロール阻害能を調べた。ジガレート型テアフラビン(ナガラサイエンス社製)とカテキン類(EGCG(和光純薬工業社製),ECG(和光純薬工業社製),EGCG+ECG(和光純薬工業社製))とを使用する以外は、実施例1記載の方法で実験を行った。図5に結果を示す。
各紅茶抽出物の胆汁酸ミセルからのコレステロール脱離能について調べた。結果を図6に示す。テアフラビン、テアフラビンモノガレート、テアフラビンジガレート及びポリフェノールとの比率を調べ、胆汁酸ミセルからのコレステロール脱離能に特に優れた効果のある数値範囲を調べた。この結果から、(1)テアフラビン類(TF)におけるテアフラビンモノガレートの割合(MG/TF)が0.4〜1の範囲であり、(2)テアフラビンモノガレートとテアフラビンジガレートの量を比較するとテアフラビンモノガレート量がテアフラビンジガレート量を上回る場合であり、(3)ポリフェノール中のテアフラビンモノガレート量(MG/PP)が0.01〜1.0の範囲である場合が最も好ましいミセル形成阻害効果を示すことがわかった。
紅茶抽出物中における総ポリフェノールに対するテアフラビンモノガレートの割合の変化が、紅茶抽出物のミセル内コレステロール脱離能に与える影響を調べた。
taurocholate)、0.6mMの卵黄ホスファチジル・コリン(Egg York Phosphatidyl
Choline)、132mMの塩化ナトリウム(NaCl)、リン酸ナトリウム(Sodium Phosphate, NaH2PO4・2H2O)の組成で試験用のミセルを作製し(pH6.8)、該ミセルを安定化させるため37℃で24時間インキュベートした。
polyphenol= 12.2)及びサンプルD(MG/Total polyphenol= 17.0)のコレステロール脱離能は、緑茶抽出物(MG/Total polyphenol= 0)のコレステロール脱離能と比較して極めて強かった。また、テアフラビンのコレステロール脱離能は、総ポリフェノール量に対するテアフラビンモノガレートの含有比率(MG/Total polyphenol)に依存して強くなった。
polyphenolが約4以上となると緑茶抽出物よりも優れた効果を発揮することが確かめられた。また総ポリフェノール量に対するテアフラビンモノガレートの含有比率(MG/Total polyphenol)が10〜20の範囲では、緑茶抽出物の場合と比較して2倍以上の極めて優れたコレステロール脱離能を示すことも確かめられた。この結果を第10図に示す。
Claims (6)
- (B)テアフラビン類を含む(D)ポリフェノールを含有し、前記(B)テアフラビン類が(A)テアフラビンモノガレートを含有することを特徴とする脂質吸収阻害組成物であって、これらの成分が以下の条件を満たす、ミセル形成阻害による脂質吸収阻害組成物。
(1)含有重量比率[(A)/(B)]=0.4〜1
(2)(A)テアフラビンモノガレートの重量>(C)テアフラビンジガレートの重量
(3)含有重量比[(A)/(D)]=0.0184〜0.300 - エピガロカテキンガレート及びエピカテキンガレートのいずれか又はこれらの組合せをさらに含有する請求項1記載の脂質吸収阻害組成物。
- ミセル形成阻害によって、腸上皮細胞を通じた体内へのミセル脂質の吸収を阻害することを特徴とする請求項1又は2に記載の脂質吸収阻害組成物。
- (B)テアフラビン類を含む(D)ポリフェノールを含有し、前記(B)テアフラビン類が(A)テアフラビンモノガレートを含有することを特徴とする飲食品であって、これらの成分が以下の条件を満たす、ミセル形成阻害による脂質吸収阻害用の飲食品。
(1)含有重量比率[(A)/(B)]=0.4〜1
(2)(A)テアフラビンモノガレートの重量>(C)テアフラビンジガレートの重量
(3)含有重量比[(A)/(D)]=0.0184〜0.300 - エピガロカテキンガレート及びエピカテキンガレートのいずれか又はこれらの組合せをさらに含有する請求項4記載の飲食品。
- ミセル形成阻害によって、腸上皮細胞を通じた体内へのミセル脂質の吸収を阻害することを特徴とする請求項4又は5に記載の飲食品。
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JP2009268420A (ja) * | 2008-05-09 | 2009-11-19 | Kataoka & Co Ltd | 機能性食品組成物 |
JP2010095477A (ja) * | 2008-10-17 | 2010-04-30 | Ito En Ltd | リパーゼ阻害剤 |
JP2010095476A (ja) * | 2008-10-17 | 2010-04-30 | Ito En Ltd | 精製紅茶抽出物及びその製造方法 |
JP2010095478A (ja) * | 2008-10-17 | 2010-04-30 | Ito En Ltd | 体脂肪蓄積抑制剤及び飲食品 |
KR20130031296A (ko) | 2010-05-21 | 2013-03-28 | 케밀리아 에이비 | 신규한 피리미딘 유도체 |
KR101838588B1 (ko) * | 2010-12-09 | 2018-03-16 | (주)아모레퍼시픽 | 발효차 추출물을 포함하는 지질 수준 감소용 조성물 |
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JP2004155784A (ja) * | 2002-11-04 | 2004-06-03 | Access Business Group Internatl Llc | コレステロール低下用組成物 |
JP2005523242A (ja) * | 2001-11-28 | 2005-08-04 | ナシャイ・バイオテック・リミテッド・ライアビリティ・カンパニー | テアフラビン、テアフラビン−3−ガレート、テアフラビン−3’−ガレートおよびテアフラビン3,3’−ジガレートおよびそれらの混合物の製法および使用法 |
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US7157493B2 (en) * | 2001-11-28 | 2007-01-02 | Nashai Biotech, Llc | Methods of making and using theaflavin, theaflavin-3-gallate, theaflavin-3′-gallate and theaflavin 3,3′-digallate and mixtures thereof |
JP2005247747A (ja) | 2004-03-04 | 2005-09-15 | Ito En Ltd | リパーゼ阻害剤及びリパーゼ阻害飲食物 |
WO2006078600A1 (en) * | 2005-01-20 | 2006-07-27 | Wyeth | Compositions containing policosanol and theaflavin and their pharmaceutical uses |
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WO2007125644A1 (ja) | 2007-11-08 |
EP2020231A1 (en) | 2009-02-04 |
JPWO2007125644A1 (ja) | 2009-09-10 |
AU2007245223A1 (en) | 2007-11-08 |
US20090156662A1 (en) | 2009-06-18 |
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