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Distribution profiles of phenolic compounds in a cultivar of wampee (Clausena lansium (Lour.) Skeels) fruits and in vitro anti-inflammatory activity

文献类型： 外文期刊

作者： Zeng, Fanke 1 ; Chen, Mianhong 1 ; Yang, Shengtao 1 ; Li, Ruyi 1 ; Lu, Xuli 1 ; Zhang, Li 1 ; Chen, Tinghui 1 ; Peng, Shaodan 1 ; Zhou, Wei 1 ; Li, Jihua 1 ;

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

关键词： Green honey wampee; Different fruit parts; Phenolic compounds; Anti-inflammatory activity; 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： 2024 年 319 卷

页码：

收录情况： SCI

摘要： Ethnopharmacological relevance: The fruits of wampee (Clausena lansium (Lour.) Skeels), which contain significant amounts of phenolics, are frequently applied as traditional medications to prevent or relieve inflammatory symptoms. Green honey wampee (GHW) is a local cultivar specially cultivated in Lianjiang City, Guangdong Province. Aim of the study: This study aimed to investigate phenolic distribution profiles in the peels, seeds and pulp of GHW as well as elucidate the underlying molecular mechanisms of the effective compounds for antiinflammatory activity. Materials and method: Phenolic compounds in the extract were identified through UPLC-MS/MS and their ability to alleviate inflammation was assessed using RAW 264.7 macrophages exposed to lipopolysaccharide. Results: Among the three parts of GHW fruits, the total phenolic contents followed a descending order of peels > pulp > seeds. Additionally, eighty-six phenols were tentatively determined from the three parts, of which flavonoids accounted for the highest proportion. Furthermore, the phenolic extract of peels, seeds and pulp exhibited potential anti-inflammatory activity through the suppression effect on different pro-inflammatory mediators (NO, IL-6 and TNF-alpha). Among the three principal phenolic compounds (rutin, quercitrin, isorhamnetin-3-O-neohesperidoside) detected in GHW fruits, quercitrin was proved to be a more important antiinflammatory compound inhibiting the iNOS and TNF-alpha mRNA expressions through the suppression effect on the phosphorylation of I kappa B alpha and ERK, belonging to the NF-kappa B and MAPK signaling pathway respectively. Conclusions: Not only wampee pulp but also its by-products like peels and seeds are able to be comprehensively utilized as immunomodulatory supplements for daily diets due to their rich phenolic contents.

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