Bioactive effects of a herbal formula KDC16-2 consisting Portulaca oleracea L. extracts = 마치현 추출물 함유 제제 KDC16-2의 생리 활성 효과

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Bioactive effects of a herbal formula KDC16-2 consisting Portulaca oleracea L. extracts = 마치현 추출물 함유 제제 KDC16-2의 생리 활성 효과
Gayeong Hur; Soyoung Lee; Yeon Yong Kim; Hyun Jae JangSeung Jae LeeSeung Woong Lee; J H Choi; Mun Chual Rho
Bibliographic Citation
Korean Journal of Pharmacognosy, vol. 50, no. 1, pp. 37-45
Publication Year
Portulaca oleracea L. (PL) has been used in traditional medicine herb for treatment of various diseases, such as diarrhea, dysentery, and skin inflammation. Previous studies have shown that the PL regulates the inflammation by inhibition of pro-inflammatory cytokines. Although PL might have improvement effects of intestinal function and bioactive effects, there are not enough studies to demonstrate. This study investigated the effects of KDC16-2 on the improvement of intestinal function and anti-inflammatory effects in vivo and in vitro. The improvement effect of intestinal function was measured fecal amount, water content and intestinal transit rate in KDC16-2 treated ICR mice. As results, compared with the control group, the KDC16- 2 group showed a significant increase in wet fecal weight, dry fecal weight and fecal water content. The intestinal transit rate of KDC16-2 group was significantly increased. Based on the results, KDC16-2 is considered to have effects on improving intestinal function. The effect of anti-inflammatory demonstrated by using dextran sulfate sodium (DSS)-induced colitis mice. The mice were administered 3% DSS along with KDC16-2 (100, 300 mg/kg) for 14 days. DSS-induced colitis mice were significantly ameliorated in KDC16-2 treated group, including body weight loss, colon length shortening, tight junction protein of colon and histological colon injury. The levels of inflammatory mediators (IgG2a, IgA, C-reactive protein and Myeloperoxidase) and pro-inflammatory cytokines (tumor necrosis factor (TNF)-α, Interleukin (IL)-6) which are involved in inflammatory responses were increased in the DSS-treated group as compared to those in the control group, and the levels were significantly decreased in the KDC16-2 groups. In addition, we investigated the impact of KDC16-2 on lipopolysaccharide (LPS)-induced inflammatory responses in J774A.1 cells. KDC16-2 inhibited production of prostaglandin E2 (PGE2) and reactive oxygen species (ROS). These results suggested that the KDC16-2 could effectively alleviate the dysfunction of intestinal and inflammatory mediators. Thus, these KDC16-2 can be potentially used as health functional food of intestinal.
PortulacaceaePortulaca oleracea L.Intestinal functionIntestinal transit rateTight junction proteinAntiinflammation
Korea Soc-Assoc-Inst
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Jeonbuk Branch Institute > Functional Biomaterial Research Center > 1. Journal Articles
Ochang Branch Institute > Division of National Bio-Infrastructure > Bio-Resource Central Bank > 1. Journal Articles
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