金丝桃苷
芦丁
山奈酚
化学
槲皮素
色谱法
类黄酮
糖苷
黄酮醇
质谱法
槲皮素
山楂
植物
立体化学
生物化学
生物
抗氧化剂
作者
Vera А. Kostikova,Alexander А. Chernonosov,А. А. Кузнецов,Н. В. Петрова,Denis A. Krivenko,О. А. Чернышева,Wei Wang,Andrey S. Erst
出处
期刊:Plants
[MDPI AG]
日期:2021-10-10
卷期号:10 (10): 2146-2146
被引量:5
标识
DOI:10.3390/plants10102146
摘要
Eranthis longistipitata Regel is an endemic plant of Central Asia. The flavonoid profile of E. longistipitata leaves was studied by mass spectrometry for the first time (natural populations of Kyrgyzstan and Uzbekistan, in 70% aqueous-ethanol extracts by liquid chromatography coupled with high-resolution mass spectrometry). Mass spectrometry revealed 18 flavonoid compounds. Flavonols featured the highest diversity, and 10 such substances were identified: 2 free aglycones (quercetin and kaempferol), 6 quercetin glycosides (peltatoside, hyperoside, reynoutrin, quercetin 3-sambubioside, rutin, and isoquercitrin), and 2 kaempferol glycosides (juglalin and trifolin). Two flavans (cianidanol and auriculoside), two hydroxyflavanones (6-methoxytaxifolin and aromadendrin), and one C-glycoside flavone-carlinoside-were identified. Dihydroxychalcones aspalathin, phloridzin, and phloretin were found too. Levels of rutin, quercetin, kaempferol, and hyperoside were confirmed by means of standards and high-performance liquid chromatography. Rutin concentration was the highest among all other identified flavonoid compounds: in the leaf samples from Kyrgyzstan, it ranged from 2.46 to 3.20 mg/g, and in those from Uzbekistan, from 1.50 to 3.01 mg/g. The diversity of flavonoid compounds in E. longistipitata leaves is probably due to external ecological and geographic factors and adaptive mechanisms.
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