Chemical Constituents of Limonium gmelinii Roots
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L. gmelinii (Siberian statice) is a halophyte that grows on saline soils. Its roots are used in folk medicine as an astringent and for diseases of the upper respiratory and gastrointestinal tracts .
Roots of L. gmelinii were collected in August 2015 in Bortala autonomous prefecture in Xinjiang (PRC). Dried roots (20 kg) were extracted with EtOH (95%, 3 × 160 L) for 2 h. The extracts were combined and vacuum distilled to dryness. The resulting extract was diluted with H2O and worked up successively with petroleum ether, EtOAc, CHCl3, and n-BuOH. The solvents were distilled off to afford petroleum ether (232.4 g), EtOAc (206.8), CHCl3 (158.2), and n-BuOH fractions (876.3). A part of the EtOAc fraction (120 g) was chromatographed over a column of silica gel (2.5 kg) using a CHCl3–MeOH gradient (100:0→0:100) to produce 15 fractions that were...
The work was sponsored by the Natural Science Foundation of China (Grant No. 31460087).
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