Syringin


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Sy`rin´gin


n.1.(Chem.) A glucoside found in the bark of the lilac (Syringa) and extracted as a white crystalline substance; - formerly called also lilacin.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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Yang, "Ionic liquid-lithium salt based microwave pretreatment followed by ultrasonic-assisted extraction of syringin and oleuropein from Syringa reticulata var.
Park et al., "Anti-inflammatory and antinociceptive effects of sinapyl alcohol and its glucoside syringin," Planta Medica, vol.
Ku et al., "Syringin from stem bark of fraxinus rhynchophylla protects a[beta](25-35)-induced toxicity in neuronal cells," Archives of Pharmacal Research, vol.
Xu et al., "Simultaneous determination of protocatechuic acid, syringin, chlorogenic acid, caffeic acid, liriodendrin and isofraxidin in Acanthopanax senticosus HARMS by HPLC-DAD," Biological and Pharmaceutical Bulletin, vol.
A diverse group of chemical compounds isolated from Acanthopanax species was named "eleutherosides" The group of eleutherosides consists of eleutherosides A (daucosterol), B (syringin), [B.sub.1] (isofraxidin-7-O-glucoside), [B.sub.2], [B.sub.3], [B.sub.4] (sesamin), C (methyl-[alpha]-D-galactoside), D, E (syringaresinol-di-O-[beta]-D-glucoside), [E.sub.1] (syringaresinol-O-[beta]-D-glucoside), [E.sub.2] (episyringaresinol 4"-O-[beta]-D-glucoside), F, G, I, K, L, and M (hederasaponin B) [2-5].
Chromatographic purification of these fraction led to the isolation of a mixture of two compounds 2, 3 isolated for the first time from natural source and five known compounds 1, 4-7 which were characterized as 11-hydroxymustakone (2), N-methyl-2-pyrrolidone (3), N-formylannonain (1), cordifolioside A (4), magnoflorine (5), tinocordiside (6), syringin (7) by nuclear magnetic resonance (NMR) and mass spectrometry (MS) and comparing the spectral data with reported one.
Optimization of Extraction Technology of Syringin and Glycosides E from Acanthopanax Stem and Root.
According to these studies syringin protects against radiation, reduces radiation induced leucopenia and is immunostimulatory.
Therefore, UAE has been widely used in the literature for the extraction of biologically active compounds, including the extraction of geniposide from Gardenia jasminoides [16], extraction of syringin from Ilex rotunda [17].
Zhao, "Salicylic acid enhances jaceosidin and syringin production in cell cultures of Saussurea medusa," Biotechnology Letters, vol.
Using animal models, bioassay-guided fractionation of various extracts of plant adaptogens have shown that the active principles are mainly phenylpropane and phenylethane derivatives including salidroside, rosavin, syringin, triandrin, tyrosol, etc.