• 제목/요약/키워드: Trichocolea hatcheri

검색결과 3건 처리시간 0.016초

생약추출물로부터 생리활성의 검색 (Screening for Biological Activity of Crude Extracts from Medicinal plants)

  • 곽정숙;오현주;이현옥;;백승화
    • 치위생과학회지
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    • 제3권2호
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    • pp.67-70
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    • 2003
  • 뉴질랜드의 자생식물인 Brachyglottis monroi와 Trichocolea hatcheri의 에탄올추출물에 대한 생리활성을 조사한 결과, 그람음성균인 Bacillus subtilis (ATCC 19659, 1 mm inhibition zone at $150{\mu}g/disc$)와 피부곰팡이균인 Trichophyton mentagrophytes (ATCC 28185, 6 mm inhibition zone at $150{\mu}g/disc$)에 대한 억제효과가 관찰되었으며, 이들 추출물은 P388 murine leukaemia cells ($IC_{50}$ $23.96{\mu}g/mL$)에서도 세포독성이 나타났다. B. monroi의 에탄올추출물의 항바이러스효과는 T. hatcheri의 에탄올추출물보다 강한 활성이 관찰되었으며, T. hatcheri의 에탄올추출물의 항균효과는 B. monroi의 에탄올추출물보다 강한 활성을 나타났다. 그렇지만 P388 murine leukaemia cells ($IC_{50}>12,500{\mu}g/mL$)에 대한 세포독성은 아주 미미한 것으로 나타났다.

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Biological Activities of Methyl-4-[[(2E)-3,7-dimethyl-oxy]-3-hydroxybenzoate

  • Baek, Seung-Hwa;Oh, Hyun-Ju;Lim, Jin-A;Chun, Hyun-Ja;Lee, Hyun-Ok;Ahn, Jong-Woong;Perry, Nigel B.;Kim, Hyung-Min
    • Bulletin of the Korean Chemical Society
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    • 제25권2호
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    • pp.195-197
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    • 2004
  • Methyl-4-[[(2E)-3,7-dimethyl-2,6-octadienyl]oxy]-3-hydroxybenzoate (5) has been identified from the New Zealand liverwort Trichocolea hatcheri (T. hatcheri) on the basis of spectroscopic evidence. This compound was tested for its growth inhibitory effects against tumor cell lines, using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay. It showed growth inhibition activity against Staphylococcus epidermidis (MIC, 1,000 ${\mu}$g/mL). These results suggest that compound 5 possesses antitumoral , antimicrobial and antioxidative activities.

Pharmacological Screening of Crude Extracts from Medicinal Plants (I)

  • Oh Hyun Ju;Kwag Jung Sook;Kim Myung Ju;Perry Nigel B.;Na Young Soon;Kim Hyung Min;Baek Seung Hwa
    • 동의생리병리학회지
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    • 제18권1호
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    • pp.250-253
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    • 2004
  • The effects of crude extracts from medicinal plants on biological activity were investigated. The crude ethanol extract of H. paucistipula inhibited the growth of the Gram positive bacterium Bacillus subtilis ATCC 19659, (2 mm inhibition zone at 150 ㎍/disc) and the dermatophyte Trichophyton mentagrophytes ATCC 28185, (7 mm inhibition zone at 150 ㎍/disc), and toxic to P388 murine leukaemia cells ATCC CCL 46 P388D1, (IC/sub 50/ 2.48 ㎍/㎖ at 75 ㎍/disc). This crude ethanol extract of H. paucistipula is the strongest antimicrobial and cytotoxic activities against P388 murine leukaemia cells ATCC CCL 46 P388D1.