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ANALYST · 2019 ·Vol. 144 ·期 23 ·6981-6988 · IF 4.019

A HPLC-MS method for profiling triterpenoid acids and triterpenoid esters in Osmanthus fragrans fruits

Xiaoyan Liao,Fangli Hu,Zilin Chen

Triterpenoids, as an important family of plant secondary metabolites, have important biological activities associated with health and disease prevention. In this work, we proposed a HPLC-MS method for profiling multiple groups of triterpenoid acids and triterpenoid esters differing only in one position of the hydroxyl or methyl group in O. fragrans fruits. A total of thirty-one compounds were identified, and twenty-seven components were discovered in O. fragrans fruits for the first time. The HPLC-MS profiling method was applied in the analysis of the triterpenoids of O. fragrans flowers, and the time courses of triterpenoids of O. fragrans fruits.

CAS / MDL: 64-18-6

研究领域: 分析化学 · 植物化学 · 植物代谢组学

✓ 已验证产品关联 DOI PubMed 高影响因子

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PHYTOCHEMISTRY · 2021 · IF 4.072

Metabolite pattern in root nodules of the actinorhizal plant Casuarina equisetifolia

Yu Jin,Yingting Xu,Zhengwan Huang,Zhongyu Zhou,Xiaoyi Wei

Casuarina equisetifolia L. (Casuarinaceae), an actinorhizal plant , exhibits mutualistic symbiosis with Frankia and promotes nitrogen fixation in root nodules . While the exchange of metabolites between host plant and microsymbiont is well understood in legume symbioses, the situation in the symbiosis between nitrogen-fixing Frankia and actinorhizal plants is less clear. In this study, a metabolomic approach was applied to root nodules of mature C. equisetifolia trees, leading to the identification of an undescribed taraxerane-type triterpenoid ester, 3- O -dihydrocoumaroyl β -taraxerol, along with twelve known compounds. An abundant component was tyramine with a content of 2.76 ± 0.315 mg/g FW in mature nodules. Tyramine specifically and abundantly accumulated in mature nitrogen-fixing nodules compared to senescent nodules, stems, leaves, and seeds. In addition, the potential function of tyramine was preliminarily examined and discussed.

CAS / MDL: 6915-15-7 51-67-2

研究领域: 植物生理学 · 共生关系 · 代谢组学

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A HPLC-MS method for profiling triterpenoid acids and triterpenoid esters in Osmanthus fragrans fruits

Metabolite pattern in root nodules of the actinorhizal plant Casuarina equisetifolia