Megastigmane glycosides from the traditional Uighur medicine Cydonia oblonga Mill.

IF 3.2 2区 生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY Phytochemistry Pub Date : 2024-06-13 DOI:10.1016/j.phytochem.2024.114188
Shan-Shan Jiao , Rui-Feng Ding , Xin Yuan , Xiao-Ping He , Yan Liu , Kai Guo , Sheng-Hong Li
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Abstract

Phytochemical investigation on the fruits of Cydonia oblonga Mill., a traditional Uighur medicine, led to the isolation of seven undescribed and nine known megastigmane glycosides. Their structures including absolute configurations were characterized by an extensive analysis of spectroscopic data including HRESIMS and NMR, combined with ECD calculations. Additionally, compounds 1, 2, 4, and 616 exhibited anti-inflammatory activity by inhibiting the secretion of cytokines TNF-α and IL-6 in RAW264.7 cells induced by lipopolysaccharides (LPS) with inhibitory rates of 10.79%–44.58% at 20 μM.

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从维吾尔族传统药物楙中提取的巨甙。
通过对维吾尔族传统药材 Cydonia oblonga Mill.果实的植物化学研究,分离出了 7 种未曾描述过的巨甙和 9 种已知的巨甙。通过对包括 HRESIMS 和 NMR 在内的光谱数据进行广泛分析,并结合 ECD 计算,确定了它们的结构(包括绝对构型)。此外,化合物 1、2、4 和 6-16 通过抑制脂多糖(LPS)诱导的 RAW264.7 细胞中细胞因子 TNF-α 和 IL-6 的分泌而表现出抗炎活性,在 20 μM 时抑制率为 10.79%-44.58% 。
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来源期刊
Phytochemistry
Phytochemistry 生物-植物科学
CiteScore
6.40
自引率
7.90%
发文量
443
审稿时长
39 days
期刊介绍: Phytochemistry is a leading international journal publishing studies of plant chemistry, biochemistry, molecular biology and genetics, structure and bioactivities of phytochemicals, including ''-omics'' and bioinformatics/computational biology approaches. Phytochemistry is a primary source for papers dealing with phytochemicals, especially reports concerning their biosynthesis, regulation, and biological properties both in planta and as bioactive principles. Articles are published online as soon as possible as Articles-in-Press and in 12 volumes per year. Occasional topic-focussed special issues are published composed of papers from invited authors.
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