Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Inhibitory Activity on Angiotensin Converting Enzyme (ACE) of Korean Medicinal Herbs

한국산 약용식물의 안지오텐신 전환효소에 대한 저해활성

  • Published : 2004.03.31
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Abstract

The study was conducted to develop new materials of functional foods from natural resources. Fortyeight medicinal plants were screened on inhibitory activity of angiotensin-converting enzyme (ACE), a protein elevating blood pressure. The water extracts of Armoracia aerial part, Cynanchum radix, Euonymus branch, Phyllostachys stem, Trichosanthes seed, and methanol extract of Silybum aerial part were showed strong inhibitory activity (above 70%) on ACE at the final concentration of $4,000\;{\mu}g\;ml^{-1}$. Among the plant extracts, water extracts of Phyllostachys taeniam and Trichosanthes seed were especially showed strong inhibitory activity (above 25%) at $500\;{\mu}g\;ml^{-1}$. These two plants are expected good candidate for development into anti-hypertensive materials.

46종의 약용식물에 대한 안지오텐신 전환효소 저해활성을 검색한 결과, 메탄을 추출물 중에서는 수비소 지상부가 70% 이상의 저해활성을 나타내었고, 질경이택사 덩이뿌리 등 6점이 $50%{\sim}69%$의 ACE 높은 저해활성을 나타내었다. 물 추출물 중에서는 하늘타리 종자 (78.6%), 큰조롱 덩이뿌리 (77.0%), 죽여 근간(根幹)의 중간층피 (72.0%), 겨자무 지상부 (71.2%)가 70%이상의 높은 저해활성을 나타내었으며 시호 뿌리 등 5점이 $50%{\sim}69%$의 ACE 저해활성을 나타내었다. 70% 이상의 높은 활성을 나타낸 식물들중에서도 특히 죽여 근간(根幹)의 중간층피의 물 추출물과 하늘타리 종자의 물 추출물은 $1,000\;{\mu}g\;m{\ell}^{-1}$ 및 $500\;{\mu}g\;m{\ell}^{-1}$의 낮은 농도에서도 25% 이상의 ACE 저해활성을 나타내 산업화 소재로 개발 가능성이 높다고 사료되었다.

Keywords

References

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