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Two new iridoid glycosides from the root barks of Sambucus williamsii Hance.
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Two new iridoid glycosides, named williamsoside C (1) and williamsoside D (2) were isolated from the root barks of Sambucus williamsii Hance. Their structures were established on the basis of extensive spectroscopic analysis (1D, 2D NMR and HRESIMS) and chemical studies as α-D-glucopyranosyl
Two new iridoid glycosides from the root barks of Sambucus williamsii Hance.
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Chemical investigation of the ethanol extract of the root barks of Sambucus williamsii Hance collected in the Heilongjiang province of China resulted in the isolation of two new iridoid glycosides, williamsoside A (1) and williamsoside B (2). Their structures were elucidated on the basis of
Iridoid Glycosides from the Twigs of Sambucus williamsii var. coreana and Their Biological Activities.
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Six new iridoid glycosides, sambucusides A-F (1-6), and two known derivatives (7 and 8) were isolated from a methanol extract of the twigs of Sambucus williamsii var. coreana. Their chemical structures were elucidated by spectroscopic methods, including NMR (1H and 13C NMR, 1H-1H COSY, HMQC, HMBC,
Two new non-glycosidic iridoids from Sambucus ebulus.
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Two new 'Valeriana-type' non-glycosidic iridoids were isolated from the aerial parts (leaves and young branches) of Sambucus ebulus L., a perennial herbaceous species widespread in Europe. The structures were elucidated, by spectroscopic means, as 7-O-acetylpatrinoside aglycone (1) and
A new iridoid diglycoside from Sambucus ebulus L.
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The phytochemical examination of the polar constituents of Sambucus ebulus L. leaves led to the identification of patrinoside (1) and of a new diglycoside iridoid, patrinoside-aglycone-11-O-[β-D-glucopyranosyl-(1→6)-2'-deoxy-β-D-glucopyranoside] (trivially named as sambuloside) (2). Both of these
Sambulin A and B, non-glycosidic iridoids from Sambucus ebulus, exert significant in vitro anti-inflammatory activity in LPS-induced RAW 264.7 macrophages via inhibition of MAPKs's phosphorylation.
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BACKGROUND
The leaves of Sambucus ebulus L. (Adoxaceae) are widely used in Turkish folk medicine particularly against inflammatory disorders. The fresh leaves after wilted over fire or the poultices prepared are directly applied externally to heal burns, edema, eczema, urticarial and abscess. Two
Iridoid glycosides from the leaves of Sambucus ebulus.
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Six new iridoid glycosides (1-6) of the "Valeriana type" were isolated from leaves of Sambucus ebulus. The structures were elucidated by 1D- and 2D-NMR spectroscopy, mass spectrometry, and chemical degradation methods as
A comparative evaluation of the anticancer properties of European and American elderberry fruits.
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European elderberry (Sambucus nigra), recognized in Europe for its health-promoting properties for many generations, is known to contain a range of anthocyanins, flavonoids, and other polyphenolics that contribute to the high antioxidant capacity of its berries. American elderberry (Sambucus
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