JP2005082480A - 抗リーシュマニア剤 - Google Patents
抗リーシュマニア剤 Download PDFInfo
- Publication number
- JP2005082480A JP2005082480A JP2003312390A JP2003312390A JP2005082480A JP 2005082480 A JP2005082480 A JP 2005082480A JP 2003312390 A JP2003312390 A JP 2003312390A JP 2003312390 A JP2003312390 A JP 2003312390A JP 2005082480 A JP2005082480 A JP 2005082480A
- Authority
- JP
- Japan
- Prior art keywords
- leishmania
- yanali
- leishmania agent
- fraction
- agent containing
- 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
Links
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
【解決手段】 Yanali由来で抗リーシュマニア活性を示す物質を有効成分として含有する抗リーシュマニア剤。
【選択図】 なし
Description
しかし、現在でも、より安価で副作用が少ない治療薬の開発が望まれている。
(1)Yanali由来で抗リーシュマニア活性を示す物質を有効成分として含有する抗リーシュマニア剤。
(2)Yanaliの抽出物またはその処理物を有効成分として含有する抗リーシュマニア剤。
(8)Yanaliを粉砕する工程、該粉砕したYanaliを抽出する工程、および必要に応じて精製処理を行う工程を含む、抗リーシュマニア剤の製造方法。
本発明の抗リーシュマニア剤は材料が安価であり、製造が容易であるため、安価である。
ペルー、アンデス地方にて入手したBocconia pearceiの果実であるYanali498gを粉砕後、メタノール3Lを用いて4時間ずつ3回抽出を行った。グラスフィルターにより抽出液をろ過した後、ろ液を減圧濃縮してメタノール抽出物65gを得た。このメタノール抽出物の最小致死濃度(minimum lethal concentration;MLC)は3.1μg/mlであった。
実施例1で得られたヘキサン画分について、シリカゲルカラムクロマトグラフィー(展開溶媒n−ヘキサン/酢酸エチル混合溶媒(15:1〜5:1))を行い、ジヒドロサンギナリンを含む画分1−Eを81mg、ジヒドロサンギナリン、ジヒドロケリルビン、ジヒドロケレリスリンを含む画分1−Fを478mg、ジヒドロケレリスリン、ケレリスリンを含む画分1−Gを503mg得た。画分1−EについてさらにODSボンドエリュート(展開溶媒アセトニトリル/クロロホルム混合溶媒(100:1))を行い、ジヒドロサンギナリンの純品12mgを得た。画分1−Fについてさらにシリカゲルカラムクロマトグラフィー(展開溶媒クロロホルム/酢酸エチル混合溶媒(100:1〜30:1))を行い、ジヒドロサンギナリン、ジヒドロケリルビンを含む画分3−Aを133mg、ジヒドロケレリスリンを含む画分3−Bを330mg得た。画分3−AについてさらにセファデックスLH−20(登録商標、アマシャムバイオサイエンス)を用いたゲルろ過カラムクロマトグラフィー(展開溶媒クロロホルム/メタノール混合溶媒(1:1))を行い、ジヒドロケリルビンを含む画分4−Bを77mg、ジヒドロサンギナリンを含む画分4−Cを36mg得た。画分4−Bについてさらにアルミナボンドエリュート(展開溶媒n−ヘキサン/酢酸エチル混合溶媒(20:1))で精製し、n−ヘキサン/酢酸エチル混合溶媒(20:1)を用いて再結晶化を行い、ジヒドロケリルビンの結晶2mgを得た。画分3−BについてさらにODSボンドエリュート(展開溶媒メタノール/水混合溶媒(4:1))、シリカゲル高速液体クロマトグラフィー(展開溶媒n−ヘキサン/クロロホルム混合溶媒(9:1))で精製し、ジヒドロケレリスリンの純品3mgを得た。画分1−GについてさらにODSボンドエリュート(展開溶媒アセトニトリル)を行いジヒドロケレリスリンを含む画分およびケレリスリンを含む画分(7mg)を得た。ジヒドロケレリスリンを含む画分についてアセトニトリルを用いて再結晶化を行い、ジヒドロケレリスリンの結晶7mgを得た。得られた化合物については1H−および13C−NMRなどにより分子構造の解析・同定を行った。
実施例2で得られたジヒドロサンギナリン、ジヒドロケリルビン、ジヒドロケレリスリンおよびケレリスリンについて、抗リーシュマニア活性を測定した。
Claims (8)
- Yanali由来で抗リーシュマニア活性を示す物質を有効成分として含有する抗リーシュマニア剤。
- Yanaliの抽出物またはその処理物を有効成分として含有する抗リーシュマニア剤。
- リーシュマニア症の治療に用いる、請求項1〜6のいずれか1項に記載の抗リーシュマニア剤。
- Yanaliを粉砕する工程、該粉砕したYanaliを抽出する工程、および必要に応じて精製処理を行う工程を含む、抗リーシュマニア剤の製造方法。
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JP2007246449A (ja) * | 2006-03-16 | 2007-09-27 | Lotte Co Ltd | 脂肪分解促進剤及びそれを含有する飲食品並びに飼料 |
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JPN6010002682, S. M. Oechslin et al., "An Nmr Study of Four Benzophenanthridine Alkaloids", Journal of Natural Products, 199103, Vol. 54, No. 2, pp. 519−524 * |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2007246449A (ja) * | 2006-03-16 | 2007-09-27 | Lotte Co Ltd | 脂肪分解促進剤及びそれを含有する飲食品並びに飼料 |
CN101036516B (zh) * | 2006-03-16 | 2012-11-28 | 罗蒂株式会社 | 脂肪分解促进剂以及含有其的饮食品和饲料 |
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