Steroidal Glycosides from Veronica Chamaedrys L. Plants. the Structures of Chamaedrosides A, B, C and E
نویسندگان
چکیده
منابع مشابه
External flavonoid aglycones from Veronica chamaedrys L. (Scrophulariaceae).
External flavone aglycones in the overground parts of Veronica chamaedrys L. (Scrophulariaceae) have been analysed by isocratic reversed-phase high performance liquid chromatography. Luteolin, apigenin, luteolin-3'-methyl ether and scuterallein-6,4'-dimethyl ether have been identified. The latter compound is a new flavonoid identified in Veronica genus.
متن کاملthe investigation of the relationship between type a and type b personalities and quality of translation
چکیده ندارد.
Allimacrosides A-E, new steroidal glycosides from Allium macrostemon Bunge.
A new pregnane-type steroidal glycoside (1), two new spirostane-type steroidal glycosides (2, 3), and two new furostane-type steroidal glycosides (4, 5), named allimacrosides A-E, together with four known compounds (6-9) were isolated from a 80% MeOH extract of Allium macrostemon Bunge. The identification and structural elucidation of these compounds were based on their 1D- and 2D-NMR spectra, ...
متن کاملVeronica officinalis Product Authentication Using DNA Metabarcoding and HPLC-MS Reveals Widespread Adulteration with Veronica chamaedrys
Studying herbal products derived from local and traditional knowledge and their value chains is one of the main challenges in ethnopharmacology. The majority of these products have a long history of use, but non-harmonized trade and differences in regulatory policies between countries impact their value chains and lead to concerns over product efficacy, safety and quality. Veronica officinalis ...
متن کاملStudies on the constituents of solanaceous plants. (46). Steroidal glycosides from the fruits of Solanum anguivi.
Three new glycosides named anguiviosides A-C were isolated from the fruits of Solanum anguivi and characterized as follows:3-O-beta-chacotrioside (1), 3-O-[4-O-maloyl-alpha-L-rhamnopyranosyl(1-->2)]-alpha-L-rhamnopyra nosyl(1-->4)-beta-D-glucopyranoside (2) and 3-O-alpha-L-rhamnopyranosyl(1-->2)-beta-D-xylopyranosyl(1-->3)]-beta-D-+ ++glucopyranoide (3), of (25R,26R)-spirost-5-en-3beta,26-diol.
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ژورنال
عنوان ژورنال: Chemistry Journal of Moldova
سال: 2010
ISSN: 1857-1727,2345-1688
DOI: 10.19261/cjm.2010.05(2).07