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자료유형
학술저널
저자정보
Sarker, Satyajit Dey (Phytopharmaceutical Research Laboratory, School of Pharmacy, The Robert Gordon University) Eynon, Elaine (Phytopharmaceutical Research Laboratory, School of Pharmacy, The Robert Gordon University) Fok, Katharine (Phytopharmaceutical Research Laboratory, School of Pharmacy, The Robert Gordon University) Kumarasamy, Yashodharan (Phytopharmaceutical Research Laboratory, School of Pharmacy, The Robert Gordon University) Murphy, Eavan Marie (Phytopharmaceutical Research Laboratory, School of Pharmacy, The Robert Gordon University) Nahar, Lutfun (Japp Laboratory, Department of Chemistry, University of Aberdeen) Shaeen, Ehab Mohammed (Phytopharmaceutical Research Laboratory, School of Pharmacy, The Robert Gordon University) Shaw, Nichola Mary (Phytopharmaceutical Research Laboratory, School of Pharmacy, The Robert Gordon University) Siakalima, Munachonga (Phytopharmaceutical Research Laboratory, School of Pharmacy, The Robert Gordon University)
저널정보
경희한의학연구센터 Oriental pharmacy and experimental medicine Oriental pharmacy and experimental medicine 제3권 제3호
발행연도
2003.1
수록면
157 - 162 (6page)

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Various extracts of higher plants have been used in traditional medicine systems for centuries. While tropical and sub-tropical plants have received considerable attention from the researchers for evaluation of their bioactivity, temeperate plants have always been neglected somewhat. Similarly, seeds of the plants have not been considered seriously compared to other plant parts, e.g. leaves, stems, roots, flowers, etc. as a potential source for biologically active compounds. As part of our on-going evaluation of the extracts of the seeds of temperate plants, especially from Scotland, for biological activity, Achillea millefolium, Angelica sylvestris and Phleum pratense have been chosen for the present study. Both A. millefolium and A. sylvestris are well known for their traditional medicinal uses in Europe and also in the orient, but there is no report on any medicinal properties of P. pratense available to date. Extracts of the seeds of these plants have been assessed for their antioxidant and antibacterial potential and also for general toxicity. Both DCM and MeOH extracts of A. millefolium showed the most significant broad spectrum antibacterial activity among the three plants and inhibited the growth of almost all test strains of bacteria. The DCM extracts of all three species were active against methicillin resistant Staphylococcus aureus (MRSA) and Citrobacter freundii $(MIC=6.25{\times}10^{-1}\;mg/mL)$. While the MeOH extracts of A. millefolium and P. pratense were active against C. freundii, that of P. pratense was also active against MRSA. The MeOH extract of A. sylvestris did not show any antibacterial activity against any of the eight bacterial strains at test concentrations. The MeOH extract of P. pratense showed the most prominent antioxidant activity $(IC_{50}=145\;{\mu}g/ml)$ and there was no antioxidant activity observed with the DCM extract of A. millefolium. The DCM extract of P. pratense was the most toxic $(LC_{50}=20\;{\mu}g/ml)$ among the extracts.

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