Arylnaphthalene lignan glycosides and other constituents from Phyllanthus reticulatus.

Two new arylnaphthalene lignan glycosides, named reticulatusides A (1) and B (2), together with eight known compounds were isolated from the 95% EtOH extract of the whole plant of Phyllanthus reticulatus. The structures of the new compounds were elucidated by spectroscopic methods.

[Study on chemical constituents of the ethyl acetate extract from Blumea aromatica].

Objective: To study the chemical constituents of the ethyl acetate extract from Blumea aromatica.

Methods: Column chromatographic techniques were used for the isolation and purification. Spectroscopic techniques were used for the identification of structures.

[Studies on the chemical constituents of Teyou 2 Folium Mori].

Objective: To study the chemical constituents of Teyou 2 Folium Mori.

Methods: The compounds were extracted and isolated by CO2 supercritical fluid extraction, 30% alcohol extraction, macroporous resin and silica gel column chromatography and their structures were elucidated by means of melting point, TLC and spectral analyses.

Results: Six compounds were identified as beta-carotene (I), oleanolic acid (II), benzoic acid (III), chlorogenic acid (IV), lysine (V), gamma-aminobutyric acid (VI).