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首页> 外文期刊>Pharmacognosy Research >Elucidation of Flavonoids from Carissa congesta, Polyalthia longifolia, and Benincasa hispida Plant Extracts by Hyphenated Technique of Liquid Chromatography-mass Spectroscopy
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Elucidation of Flavonoids from Carissa congesta, Polyalthia longifolia, and Benincasa hispida Plant Extracts by Hyphenated Technique of Liquid Chromatography-mass Spectroscopy

机译：液相色谱-质谱联用技术测定紫花Car，紫花and和贝氏青霉植物提取物中的类黄酮

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Background: Carissa congesta (CC), Polyalthia longifolia (PL), and Benincasa hispida (BH) are economically important plants. Objective: Current research encompasses identification of quercetin and rutin and their analogues by liquid chromatography-mass spectroscopy (LC-MS) from the selected plant species. Materials and Methods: Fresh roots, leaves, and seeds of CC, PL, and BH plants respectively were shade-dried followed by extraction and elucidation of rutin and quercetin by LC-MS. Results: Structural elucidation of CC, PL, and BH extracts revealed the presence of flavonoids such as quercetin (m/z 301) and rutin (m/z 610) as the parent ions along with presence of close analogues such as quercetin- O -hexoside, Vicenin 2, quercetin-3- O -xyloside/arabinoside, and quercetin-3- O -glucoside were identified as fragments. Conclusions: Thus, CC, PL, and BH extracts revealed the presence of flavonoids belonging to the class of flavonols such as rutin and quercetin. SUMMARY Quercetin and rutin were identified from CC roots, PL leaves and BH seeds by liquid chromatography-mass spectroscopy. Quercetin was characterized at (m/z 301) and rutin (m/z 610) as the parent ion peaks. Analogues such as quercetin-O-hexoside, Vicenin 2 and quercetin-3-O-glucoside were identified as fragments. Key words: Benincasa hispida , Carissa congesta , Liquid chromatography, Mass spectroscopy, Polyalthia longifolia , Quercetin, Rutin.
机译：背景：Carissa congesta（CC），Polyalthia longifolia（PL）和Benincasa hispida（BH）是重要的经济植物。目的：目前的研究包括通过液相色谱-质谱法（LC-MS）从选定的植物物种中鉴定槲皮素和芦丁及其类似物。材料与方法：将CC，PL和BH植物的新鲜根，叶和种子分别阴凉干燥，然后通过LC-MS提取和鉴定芦丁和槲皮素。结果：CC，PL和BH提取物的结构解析表明，类黄酮（例如槲皮素（m / z 301）和芦丁（m / z 610））作为母体离子以及紧密类似物（例如槲皮素-O-）的存在己糖苷，Visinin 2，槲皮素-3-O-木糖苷/阿拉伯糖苷和槲皮素-3-O-葡萄糖苷被鉴定为片段。结论：因此，CC，PL和BH提取物表明存在类黄酮类的类黄酮，如芦丁和槲皮素。小结通过液相色谱-质谱法从CC根，PL叶和BH种子中鉴定出槲皮素和芦丁。槲皮素的特征在于母离子峰在（m / z 301）和芦丁（m / z 610）。槲皮素-O-己糖苷，Vistanin 2和槲皮素-3-O-糖苷等类似物被鉴定为片段。关键词：组培贝尼卡萨（Benincasa hispida）充血卡里萨（Carissa congesta）液相色谱质谱法长寿花香（Polyalthia longifolia）槲皮素，芦丁

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