ABSTRACT
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.
Subject(s)
Drugs, Chinese Herbal/isolation & purification , Glycosides/isolation & purification , Lignans/isolation & purification , Naphthalenes/isolation & purification , Phyllanthus/chemistry , Drugs, Chinese Herbal/chemistry , Glycosides/chemistry , Lignans/chemistry , Molecular Structure , Naphthalenes/chemistry , Nuclear Magnetic Resonance, BiomolecularABSTRACT
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. RESULTS: Seven compounds were isolated from the ethyl acetate extract of 80% alcohol extract of the whole plant, and their structures were identified as xanthoxylin(1), dibutyl phthalate(2), luteolin-3',4',7-trimethyl ether(3), rubiadin(4), eriodictyol(5), kaempherol(6), luteolin 7,3'-dimethyl ether(7). CONCLUSION: All the compounds are isolated from this plant for the first time. Among them, compounds 2,4 and 7 are isolated from this genus for the first time.
Subject(s)
Anthraquinones/isolation & purification , Asteraceae/chemistry , Dibutyl Phthalate/isolation & purification , Drugs, Chinese Herbal/chemistry , Luteolin/isolation & purification , Acetates , Anthraquinones/chemistry , Chromatography, High Pressure Liquid , Dibutyl Phthalate/chemistry , Drugs, Chinese Herbal/isolation & purification , Glucosides/chemistry , Glucosides/isolation & purification , Kaempferols/chemistry , Kaempferols/isolation & purification , Luteolin/chemistry , Molecular Structure , Solvents/chemistryABSTRACT
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). CONCLUSION: Compound II and V are isolated from this plant for the first time.
