Journal of Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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In vitro anticancer and antioxidant effects of acetone extract of Eucommia ulmoides oliver leaves

두충잎 아세톤 추출물의 in vitro 항암 및 항산화 효과

  • In, Man-Jin (Department of Human Nutrition and Food Science, Chungwoon University) ;
  • Kim, Eun Jeong (Department of Chemical Engineering, Chungwoon University) ;
  • Kim, Dong Chung (Department of Chemical Engineering, Chungwoon University)
  • Received : 2018.02.19
  • Accepted : 2018.03.20
  • Published : 2018.06.30
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Abstract

In vitro anticancer and antioxidant effects of acetone extract from leaves of Eucommia ulmoides Oliver were investigated. The extraction yield and total phenolic content of the acetone extract were $1.13{\pm}0.033%$ (w/w) and $36.7{\pm}1.96mg$ gallic acid equivalents/g-extract, respectively. $GI_{50}$ values of the acetone extract for human non-small cell lung cancer cells (A549), human colon cancer cells (SNU-C4), human cervical cancer cells (HeLa), and human embryonic lung epithelial cell (L132) were 53.4, 53.8, 88.3, and $153.9{\mu}g/mL$, respectively. The acetone extract effectively inhibited the proliferation of human non-small cell lung cancer (A549) and colon cancer (SNU-C4) cells in a concentration-dependent manner, but was less cytotoxic with human normal cells (L132). $EC_{50}$ values of the acetone extract for free radical scavenging, reducing power, and lipid peroxidation inhibition were about 2,000, 275.8, and $257.9{\mu}g/mL$, respectively. The acetone extract showed a potent reducing power and lipid peroxidation inhibitory activity in a concentration-dependent manner.

두충(Eucommia ulmoides Oliver)잎 아세톤 추출물의 in vitro 항암 및 항산화 활성을 조사하였다. 두충잎 아세톤 추출물의 수율은 $1.13{\pm}0.033%$ (w/w)이었고, 총 페놀성 화합물 함량은 $36.7{\pm}1.96mg$ gallic acid equivalents/g-추출물로 나타났다. 세포증식을 절반 억제하는 추출물의 농도인 $GI_{50}$값은 사람의 암세포인 비소세포폐암세포(A549)에서 $53.4{\mu}g/mL$, 결장암세포(SNU-C4)에서 $53.8{\mu}g/mL$ 및 자궁경부암세포(HeLa)에서 $88.3{\mu}g/mL$이었고, 사람의 정상세포인 배아 폐 상피세포(L132)에서는 $153.9{\mu}g/mL$로 나타났다. 두충잎 아세톤 추출물은 사람의 정상세포에는 낮은 독성을 나타내면서 농도에 비례하여 사람의 비소세포폐암세포(A549)와 결장암세포(SNU-C4)의 증식을 효과적으로 억제하였다. DPPH 유리라디칼을 절반 소거하는 추출물의 농도인 $EC_{50}$값은 2 mg/mL 정도로 높게 나타났고, 환원력의 $EC_{50}$값은 $275.8{\mu}g/mL$, 지질과산화를 절반 저해하는 농도인 $EC_{50}$값은 $257.9{\mu}g/mL$이었다. 유근피 아세톤 추출물은 농도에 비례하여 우수한 환원력 및 지질과산화 억제활성을 보여주었다.

Keywords

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