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Physiological activities of Pyrus pyrifolia Nakai, malt, Ziziphus jujuba Mill., Leonurus japonicus Houtt., Scutellaria baicalensis, and their mixtures

배, 맥아, 대추, 익모초, 황금 및 이들 혼합물의 생리활성

  • SooJung Lee (Department of Food Science and Nutrition, Gwangju University) ;
  • HyunJun Kim (Division of Administration, Herbbori Co.) ;
  • Mi Ja Chung (Department of Food Science and Nutrition, Gwangju University)
  • Received : 2023.11.12
  • Accepted : 2023.11.27
  • Published : 2023.12.30

Abstract

This study investigated the anti-inflammatory, trypsin activity, and antioxidant effects of 11 kinds of plant extracts to discover materials for developing optimal mixtures that improve inflammation and help digestion. Ziziphus jujuba Mill. (ZJ), Leonurus japonicus Houtt. (LJ), Scutellaria baicalensis (SB), Platycodon grandiflorum, and Aster scaber extracts had excellent anti-inflammatory effects by reducing excessive nitric oxide (NO) and tumor necrosis factor-α content in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. The malt (MA), Pyrus pyrifolia Nakai (PP), Raphanus sativus L., Platycodon grandiflorum extracts among the 11 kinds of plant extracts had high trypsin activity. The antioxidant activity of the plant extracts was examined by the DPPH radical scavenging activity, and the SB, PE, JU, and MA extracts had high antioxidant activity. Therefore, PP, MA, ZJ, LJ, and SB were selected to develop optimal mixtures that improve inflammation and help digestion. The extract of plant mixture containing PP, MA, ZJ, LJ, and SB in the ratio 1:1:2:1:2 (w/w) significantly inhibited NO production than the extract of PP, MA, ZJ, LJ, and SB, respectively, in LPS-stimulated RAW 264.7 macrophages. The DPPH radical scavenging activity of the mixture extract was significantly higher than the extract of PP, MA, ZJ, and LJ, respectively.

본 연구는 염증을 개선하고 소화에 도움을 주는 최적 혼합물 개발을 위한 소재 발굴을 위해 11종류 식물 추출물을 이용하여 항염증, 트립신 활성 및 항산화 효과를 알아보았다. LPS로 염증이 유도된 RAW 264.7 대식세포에서 대추(ZJ), 익모초(LJ), 황금(SB), 도라지 그리고 참취 추출물은 과분비 되는 NO와 TNF-α 함량을 감소시켜 뛰어난 항염증 효과가 있었다. 11개의 시료 중 맥아(MA), 배(PP), 무 그리고 도라지 추출물은 트립신 활성이 높았다. DPPH 라디칼 소거작용으로 항산화 효과를 알아본 결과 SB, PP, ZJ 그리고 MA 추출물이 높은 항산화 효과가 있었다. 따라서 염증을 개선하면서 소화에 도움을 주는 최적 혼합물 개발을 위해 배, 맥아, 대추, 익모초 그리고 황금을 선택하였다. LPS로 자극한 RAW 264.7 대식세포에서 PP, MA, ZJ, LJ 및 SB(1:1:2:1:2, w/w)을 함유하는 혼합물의 추출물은 각각의 PP, MA, ZJ, LJ 및 SB의 추출물보다 NO 생산을 현저하게 억제하였다. 혼합물 추출물의 DPPH 라디칼 소거작용은 PP, MA, ZJ 및 LJ의 각각의 추출물보다 현저하게 높았다.

Keywords

Acknowledgement

Following are results of a study on the "Leaders in INdustry-university Cooperation 3.0" Project, supported by the Ministry of Education and National Research Foundation of Korea.

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