title: Antioxidant capacity and HPLC-DAD-MS profiling of Chilean peumo (Cryptocarya alba) fruits and comparison with German peumo (Crataegus monogyna) from southern Chile.
abstract: Liquid chromatography (LC) coupled with UV detection and electrospray ionization (ESI) tandem mass spectrometry (MS/MS) was used for the generation of chemical fingerprints and the identification of phenolic compounds in peumo fruits and aerial parts from southern Chile. Thirty three compounds (19 of these detected in C. alba and 23 in C. monogyna) were identified, mainly flavonoid glycosides, phenolic acids, anthocyanins and flavonoid aglycons. Total phenolic content and total flavonoid content was measured for both species, and were higher in the extracts from C. monogyna fruits and aerial parts than extracts from C. alba. The fruits of Cryptocarya alba (Chilean peumo) presented high antioxidant capacity (9.12 ± 0.01 mg/mL in the DPPH assay), but was three times lower to that of Crataegus monogyna (German peumo) (3.61 ± 0.01 mg/mL in the DPPH assay).
authors: Laboratorio de Productos Naturales, Departamento de Química, Universidad de Antofagasta, Antofagasta, Casilla 170, Antofagasta 1240000, Chile. mario.simirgiotis@uantof.cl
authors: Mario J
authors: MJ
authors: Simirgiotis
mesh_terms: D000872:Anthocyanins / Q000032:analysis / Q000737:chemistry; D000975:Antioxidants / Q000494:pharmacology*; D002677:Chile; D002851:Chromatography, High Pressure Liquid; D027825:Crataegus / Q000737:chemistry*; D031369:Cryptocarya / Q000737:chemistry*; D005638:Fruit / Q000737:chemistry*; D005858:Germany; D010636:Phenols / Q000032:analysis / Q000737:chemistry; D010936:Plant Extracts / Q000737:chemistry; D018515:Plant Leaves / Q000737:chemistry; D021241:Spectrometry, Mass, Electrospray Ionization / Q000379:methods*; D053719:Tandem Mass Spectrometry / Q000379:methods*
chemical_list: D000872:Anthocyanins; D000975:Antioxidants; D010636:Phenols; D010936:Plant Extracts
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