ハーブのＢａｃｉｌｌｕｓ　ｓｕｂｔｉｌｉｓおよびＥｓｃｈｅｒｉｃｈｉａ　ｃｏｌｉに対する抗細菌作用

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タイトル別名
  • Antibacterial Activity of Herbs against Bacillus subtilis and Escherichia coli.
  • ハーブ ノ Bacillus subtilis オヨビ Escherichia coli ニ タイスル コウサイキン サヨウ

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The antibacterial activity of various herb extracts against Bacillus subtilis PCI 219 and Escherichia coli NIHJ was investigated by the paper disk method. Methanol or acetone extracts of curryplant, strawflower, costmary, and feverfew showed antibacterial activity against both these bacteria. In particular, the antibacterial activity of the methanol extract of curryplant was about 300 μg/g of sample against B subtilis. and 80 μg/g of sample against E. coli corresponding to streptomycin, and of costmary was about 240 μg/g of sample against E. coli corresponding to streptomycin. These herbs which belong to the Helichrysum genus and Chrysanthemum genus of Compositae seemed to contain strong antibacterial compounds. It is expected that the antibacterial activity of curryplant was not derived from its curry-like flavor compounds. Curryplant and strawflower also showed antibacterial activity against Staphylococcus aureus K97-1, with curryplant showing the highest activity among these Compositae herbs.

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