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Phenolic profiles in the peels of three wampee (Clausena lansium (Lour.) Skeels) fruit cultivars and immune-modulatory activity through the cluster of differentiation 14-mitogen activated protein kinase/nuclear factor kappa B pathways

文献类型： 外文期刊

作者： Zeng, Fanke 1 ; Zhu, Yuxiang 2 ; Li, Ruyi 1 ; Chen, Mianhong 1 ; Liang, Yuwei 1 ; Zhang, Li 1 ; Li, Yingying 1 ; Peng, Shaodan 1 ; Li, Jihua 1 ; Zhou, Wei 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Key Lab Trop Crop Prod Proc, Minist Agr & Rural Affairs, Agr Prod Proc Res Inst, Zhanjiang 524001, Guangdong, Peoples R China

2.Fujian Agr & Forestry Univ, Coll Food Sci, Fuzhou 350002, Fujian, Peoples R China

关键词： Wampee peels; Phenolic compounds; Immune-modulatory activity; RAW 264.7 macrophages; CD14 receptor; MAPK/NF-kappa B signaling pathways

期刊名称：JOURNAL OF ETHNOPHARMACOLOGY （ 影响因子：5.4； 五年影响因子：5.4 ）

ISSN： 0378-8741

年卷期： 2025 年 349 卷

页码：

收录情况： SCI

摘要： Ethnopharmacological relevance: The peels of wampee (Clausena lansium (Lour.) Skeels) fruits have been ethnomedicinally used to cure malarial fever, coughs, bronchitis, viral hepatitis, and gastrointestinal disorders, suggesting potential immunoprotective and anti-inflammatory properties. Aim of the study: This study aimed to compare the phenolic profiles in the peels of three wampee fruit cultivars and initially reveal the comprehensive immune-modulatory mechanisms of the phenolic fraction. Materials and methods: The fruits of Golden wampee (GLW), Jixin wampee (JXW) and Guifei wampee (GFW) were collected. Their peels (GLP, JXP, GFP) were used to extract crude phenols (GLPE, JXPE, GFPE). JXPF was a phenolic fraction purified from JXPE using preparative high-performance liquid chromatography, which contained the mixture of various phenolic compounds in JXP. Phenolic contents were quantified using HPLC. The binding receptors and immune-modulatory pathways were investigated in LPS-induced RAW 264.7 cells. Results: JXP exhibited higher proportions of phenolic compounds, including myricetin-3-O-galactoside, nicotiflorin, rutin, isorhamnetin-3-O-neohesperidoside, isoquercitrin, quercitrin, and 8-hydroxypsoralen. GLPE, JXPE and GFPE reduced LPS-induced overexpression of NO, IL-6 and TNF-alpha, maintaining these mediators at moderate levels, which indicated immune-modulatory activity. The phenolic compounds in JXPF could occupy the CD14 receptor on macrophage surfaces and finally suppress the phosphorylation of ERK 1/2, p38, JNK, I kappa B alpha, and p65 in the MAPK and NF-kappa B signaling pathways. Conclusions: JXW was identified as a superior cultivar with a higher abundance of phenolic compounds in its peels. The phenols derived from wampee peels demonstrated potential as immune-modulatory agents.

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