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Taddeo VA, Genovese S, Carlucci G, Ferrone V, Patruno A, Ferrone A, de Medina P, Fiorito S, Epifano F. Quantitative profiling of 4'-geranyloxyferulic acid and its conjugate with l-nitroarginine methyl ester in mononuclear cells by high-performance liquid chromatography with fluorescence detection. J Pharm Biomed Anal 2016; 133:49-55. [PMID: 27856101 DOI: 10.1016/j.jpba.2016.11.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 11/03/2016] [Accepted: 11/09/2016] [Indexed: 12/25/2022]
Abstract
Oxyprenylated natural products were shown to exert in vitro and in vivo remarkable anti-cancer and anti-inflammatory effects. This paper describes a rapid, selective, and sensitive HPLC method with fluorescence detection for determination of 4'-geranyloxyferulic acid (GOFA) and its conjugate with l-nitroarginine methyl ester (GOFA-L-NAME) in mononuclear cells. Analytes were extracted from cells using methanol and eluted on a GraceSmart RP18 analytical column (250×4.6mm i.d., 5μm particle size) kept at 25°C. A mixture of formic acid 1% in water (A) and methanol (B) were used as mobile phase, at a flow-rate of 1.2mL/min in gradient elution. A fluorescence detector (excitation/emission wavelength of 319/398nm for GOFA and GOFA-L-NAME), was used for the two analytes. Calibration curves of GOFA and GOFA-L-NAME were linear over the concentration range of 1.0-50μg/mL, with correlation coefficients (r2)≥0.9995. Intra- and inter-assay precision do not exceed 6.8%. The accuracy was from 94% to 105% for quality control samples (2.0, 25.0 and 40μg/mL). The mean (RSD%) extraction recoveries (n=5) for GOFA and GOFA-L-NAME from spiked cells at 2.0, 25.0 and 40.0μg/mL were 92.4±1.5%, 94.7±0.9% and 93.8±1.1%, for GOFA and 95.3±1.2%, 94.8±1.0% and 93.9±1.3%, for GOFA-L-NAME. The limits of detection and quantification were 0.3μg/mL and 1.0μg/mL for GOFA and GOFA-L-NAME. This method was successfully applied to measure GOFA and GOFA-L-NAME concentrations in a mononuclear cells.
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Affiliation(s)
- Vito Alessandro Taddeo
- Department of Pharmacy, University "G. d'Annunzio" - Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Salvatore Genovese
- Department of Pharmacy, University "G. d'Annunzio" - Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy.
| | - Giuseppe Carlucci
- Department of Pharmacy, University "G. d'Annunzio" - Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Vincenzo Ferrone
- Department of Pharmacy, University "G. d'Annunzio" - Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Antonia Patruno
- Department of Pharmacy, University "G. d'Annunzio" - Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Alessio Ferrone
- Department of Pharmacy, University "G. d'Annunzio" - Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | | | - Serena Fiorito
- Department of Pharmacy, University "G. d'Annunzio" - Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Francesco Epifano
- Department of Pharmacy, University "G. d'Annunzio" - Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
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Genovese S, Taddeo VA, Fiorito S, Epifano F. Quantification of 4′-geranyloxyferulic acid (GOFA) in honey samples of different origin by validated RP-HPLC-UV method. J Pharm Biomed Anal 2016; 117:577-80. [DOI: 10.1016/j.jpba.2015.09.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 09/14/2015] [Accepted: 09/15/2015] [Indexed: 01/05/2023]
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