屋久島産ガジュツ抽出物及び単離成分の抗潰瘍作用

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書誌事項

タイトル別名
  • Antiulcer Activity of Extracts and Isolated Compounds from Zedoary (Gajutsu) Cultivated in Yakushima (Japan)
  • ヤクシマサン ガジュツ チュウシュツブツ オヨビ タンリ セイブン ノ コウ

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説明

Effects of 8 extracts (YK-1 to YK-8) from Zedoary [Curcuma aeruginosa ROXB. (=C.zedoaria non ROSCOE)] (Gajutsu) cultivated in Yakushima (Japan) and 7 isolated compounds from the extracts on experimental gastric ulcerations were studied. Oral and subcutaneous administrations of the extracts significantly inhibited stress ulcer formation in restrained and water-immersed mice. A n-hexane soluble fraction (YK-3) was more effective than a methanol soluble fraction (YK-2) of the original methanol extract (YK-1). Among the isolated compounds from subfractions (YK-4, YK-5, YK-6) of YK-3, furanogermenone and (4S, 5S)-(+)-germacrone 4, 5-epoxide had a potent preventive effect against stress ulceration. Moreover, oral administration of YK-3, YK-4 and YK-8 significantly inhibited formation of both HCl-induced and indomethacin-induced gastric ulcers. In experiments on effect of YK-3 on gastric secretion and motility, neither of both functions was affected by antiulcer doses of YK-3. These data show that some of extracts and isolated compounds produce a potent inhibition of acute experimental gastric ulcers, partly through their cytoprotective action.

収録刊行物

  • 薬学雑誌

    薬学雑誌 106 (12), 1137-1142, 1986

    公益社団法人 日本薬学会

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