JP4778946B2 - 血中尿酸値低下剤 - Google Patents
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Description
「高尿酸血症・痛風の治療ガイドライン ダイジェスト版」日本痛風・核酸代謝学会発行(2002年9月1日)、p1〜7
(2)ウリジル酸、ウリジン、ウラシルからなる核酸関連物質から選ばれる1種又は2種以上を有効成分としてなること、を特徴とする高尿酸血症、痛風の少なくともひとつを予防及び/又は改善する剤。
(3)剤がヒト又は動物用であること、を特徴とする請求項1〜2のいずれか1項に記載の剤。
(5)ウリジル酸、ウリジン、ウラシルからなる核酸関連物質から選ばれる1種又は2種以上を有効成分として含有すること、を特徴とする高尿酸血症、痛風の少なくともひとつを予防及び/又は改善する効果(作用)を有するヒトまたは動物用飲食品。
(7)ウリジル酸、ウリジン、ウラシルからなる核酸関連物質から選ばれる1種又は2種以上を経口投与あるいは非経口投与すること、を特徴とするヒト又はヒト以外の動物の痛風及び/又は高尿酸血症を予防及び/又は改善する方法。
Wistar Rat雄(250g)を30匹供試した。コントロール区とウリジル酸30mg投与区、ウリジル酸60mg投与区を設定し、1試験区当たり10匹ずつ振り分け高カロリー食であるウエスタン食(オリエンタル酵母)(表1)を自由摂取させた。なお、ウリジル酸としては、ウリジン一リン酸2Naを使用した(以下、ウリジル酸とする:実施例2、3においても同じ)。
ウエスタン食(オリエンタル酵母)
高脂肪飼料<F2HFD2>(マウス・ラット用ぺースト状飼料)
ラード 58%
魚粉 30%
脱脂大豆 10%
ビタミン、ミネラル混合 2%
栄養素含量概算(100g中)
総カロリー 640kcal
タンパク 24.5g
脂肪 60.0g
炭水化物 7.5g
図面からも明らかなように、ウリジル酸投与区では、コントロール区に比して、血漿中尿酸濃度が1/2〜1/3に低下した。
ウリジル酸1kgに、乳糖1.5kg、コーンスターチ0.5kg、メチルセルロース0.2kgを加え、混合パンで10分間混合した後、水1kg、エタノール1kgを加えてスピードニーダーで2分間練合した。その後、パンチメタルスクリーンを取り付けたスピードミルで整粒し、60℃で水分5%以下にまで乾燥し、30メッシュの篩で篩別した。篩別後、粉末卵殻0.3kgを加え、混合パンで1分間混合し、ロータリー打錠機で打錠することにより、錠剤を製造した。
沈降炭酸カルシウム20g、ビタミンC20g、グラニュー糖40g、コーンスターチと乳糖の等量混合物20gに、ウリジル酸をそれぞれ50g加えて充分に混合した。得られた混合物を100等分して袋に詰め、1袋1.5gのスティック状カルシウム健康食品組成物をそれぞれ製造した。
すなわち、本発明は、長期間摂取しても副作用のおそれがなく、しかも効果が高く、安全性も高い高尿酸血症、痛風の少なくともひとつの予防及び/又は改善、治療に有効な新規システムを開発することを課題としてなされたものである。
Claims (6)
- ウリジル酸を有効成分としてなること、を特徴とする血中尿酸低下剤。
- ウリジル酸を有効成分としてなること、を特徴とする抗高尿酸血症剤。
- ウリジル酸を有効成分としてなること、を特徴とする抗痛風剤。
- 剤がヒト又は動物用であること、を特徴とする請求項1〜3のいずれか1項に記載の剤。
- ウリジル酸を有効成分としてヒト以外の動物に経口投与あるいは非経口投与すること、を特徴とするヒト以外の動物の血中尿酸値を低下させる方法。
- ウリジル酸を有効成分としてヒト以外の動物に経口投与あるいは非経口投与すること、を特徴とするヒト以外の動物の高尿酸血症、痛風の少なくともひとつを予防及び/又は改善する方法。
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