期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 65, 期 41, 页码 9061-9068出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.7b03759
关键词
Citrus aurantium L. var. amara Engl.; polyphenolys; LC-MS; anti-complement; anti-inflammatory
资金
- Science and Technology Project of Guangzhou City [201604020150]
- Science and Technology Project of Guangdong [2014A020212682]
- Traditional Chinese Medicine Hospital of Guangdong Province [YN2014ZH02]
Citrus aurantium L. var. amara Engl. (CAVA) was traditionally used as a digestant or expectorant in China. Crude polyphenols (CAVAP-W) extracted from blossoms of CAVA were mainly composed of eriocitrin/neoeriocitrin, eriocitrin/neoeriocitrin, rhoifolin, hesperidin, naringin, rutin, veronicastroside, neohesperidin, and hesperetin by LC-MS analysis. CAVAP-W showed significant anticomplement and anti-inflammatory effects. Due to the close relationship between anticomplement and anti-inflammatory activity, the anti-inflammatory effect was further investigated and the results showed that CAVAP-W significantly suppressed production of interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL-1 beta), and mRNA expression of inducible nitric oxide synthase (iNOS), IL-6, TNF-alpha, IL-1 beta, and cyclooxygenase-2 (COX-2) in lipopolysaccharides-stimulated RAW264.7 cells. Furthermore, CAVAP-W inhibited mitogen-activated protein kinase (MAPK) phosphorylation and NF-kappa B activation through suppressing nuclear translocation of nuclear factor-kappa B (NF-kappa B) P65, degradation and phosphorylation of I kappa B alpha, phosphorylation of I kappa K alpha/beta, c-Jun N-terminal kinase (JNK), and P38, and activation of COX-2, thereby exerting the anti-inflammatory effects.
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