Voltammetric determination of harmaline in natural food products using boron-doped diamond electrode
Само за регистроване кориснике
2015
Аутори
Šovrc, ĽubomírCinková, Kristína
Samphao, Anchalee
Stanković, Dalibor
Mehmeti, Eda
Kalcher, Kurt
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
A novel analytical approach for the sensitive determination of a beta-carboline alkaloid, harmaline, was developed using pulse voltammetric techniques with a boron-doped diamond electrode. Cyclic voltammetry showed two irreversible oxidation peaks at about +0.90 and +1.20 V (vs. Ag/AgCl) in Britton-Robinson buffer solution at pH 5. Under optimized experimental conditions, differential pulse and square-wave voltammetry were elaborated for the determination of harmaline in a linear concentration range from 0.2 to 100.7 and from 0.4 to 104.5 mu mol L-1, respectively, with detection limits of 0.08 and 0.2 mu mol L-1, respectively. The practical feasibility of the developed method was demonstrated by quantification of harmaline in the extracts of natural food products such as Syrian rue (Peganum harmala, also known as esphant, harmal, yiizerlik) seeds, locally used as condiment and medicine in Turkey and the Near and Middle East, and the South American shamanic drink component Ayahuasca lia...ne (Banisteriopsis caapi) with results in good agreement with those obtained by high-performance liquid chromatography as a reference method. The proposed sensor represents an effective electrochemical tool and inexpensive alternative for quality control analysis of food products containing harmaline.
Кључне речи:
Harmaline / Boron-doped diamond electrode / Voltammetry / Detection limit / Peganum herniate / Banisteriopsis caapiИзвор:
Journal of Electroanalytical Chemistry, 2015, 744, 37-44Издавач:
- Elsevier Science Sa, Lausanne
Финансирање / пројекти:
- Примена унапређених оксидационих процеса и наноструктурисаних оксидних материјала за уклањање загађивача из животне средине, развој и оптимизација инструменталних техника за праћење ефикасности (RS-MESTD-Basic Research (BR or ON)-172030)
- Bilateral program Action: Austria-Slovakia
- Slovak Research and Development Agency [APVV-0797-11]
- Grant Agency of the Slovak Republic [1/0051/13, 1/0361/14]
DOI: 10.1016/j.jelechem.2015.03.004
ISSN: 1572-6657
WoS: 000353850100006
Scopus: 2-s2.0-84924778039
Колекције
Институција/група
Inovacioni centar / Innovation CentreTY - JOUR AU - Šovrc, Ľubomír AU - Cinková, Kristína AU - Samphao, Anchalee AU - Stanković, Dalibor AU - Mehmeti, Eda AU - Kalcher, Kurt PY - 2015 UR - https://cherry.chem.bg.ac.rs/handle/123456789/1702 AB - A novel analytical approach for the sensitive determination of a beta-carboline alkaloid, harmaline, was developed using pulse voltammetric techniques with a boron-doped diamond electrode. Cyclic voltammetry showed two irreversible oxidation peaks at about +0.90 and +1.20 V (vs. Ag/AgCl) in Britton-Robinson buffer solution at pH 5. Under optimized experimental conditions, differential pulse and square-wave voltammetry were elaborated for the determination of harmaline in a linear concentration range from 0.2 to 100.7 and from 0.4 to 104.5 mu mol L-1, respectively, with detection limits of 0.08 and 0.2 mu mol L-1, respectively. The practical feasibility of the developed method was demonstrated by quantification of harmaline in the extracts of natural food products such as Syrian rue (Peganum harmala, also known as esphant, harmal, yiizerlik) seeds, locally used as condiment and medicine in Turkey and the Near and Middle East, and the South American shamanic drink component Ayahuasca liane (Banisteriopsis caapi) with results in good agreement with those obtained by high-performance liquid chromatography as a reference method. The proposed sensor represents an effective electrochemical tool and inexpensive alternative for quality control analysis of food products containing harmaline. PB - Elsevier Science Sa, Lausanne T2 - Journal of Electroanalytical Chemistry T1 - Voltammetric determination of harmaline in natural food products using boron-doped diamond electrode VL - 744 SP - 37 EP - 44 DO - 10.1016/j.jelechem.2015.03.004 ER -
@article{ author = "Šovrc, Ľubomír and Cinková, Kristína and Samphao, Anchalee and Stanković, Dalibor and Mehmeti, Eda and Kalcher, Kurt", year = "2015", abstract = "A novel analytical approach for the sensitive determination of a beta-carboline alkaloid, harmaline, was developed using pulse voltammetric techniques with a boron-doped diamond electrode. Cyclic voltammetry showed two irreversible oxidation peaks at about +0.90 and +1.20 V (vs. Ag/AgCl) in Britton-Robinson buffer solution at pH 5. Under optimized experimental conditions, differential pulse and square-wave voltammetry were elaborated for the determination of harmaline in a linear concentration range from 0.2 to 100.7 and from 0.4 to 104.5 mu mol L-1, respectively, with detection limits of 0.08 and 0.2 mu mol L-1, respectively. The practical feasibility of the developed method was demonstrated by quantification of harmaline in the extracts of natural food products such as Syrian rue (Peganum harmala, also known as esphant, harmal, yiizerlik) seeds, locally used as condiment and medicine in Turkey and the Near and Middle East, and the South American shamanic drink component Ayahuasca liane (Banisteriopsis caapi) with results in good agreement with those obtained by high-performance liquid chromatography as a reference method. The proposed sensor represents an effective electrochemical tool and inexpensive alternative for quality control analysis of food products containing harmaline.", publisher = "Elsevier Science Sa, Lausanne", journal = "Journal of Electroanalytical Chemistry", title = "Voltammetric determination of harmaline in natural food products using boron-doped diamond electrode", volume = "744", pages = "37-44", doi = "10.1016/j.jelechem.2015.03.004" }
Šovrc, Ľ., Cinková, K., Samphao, A., Stanković, D., Mehmeti, E.,& Kalcher, K.. (2015). Voltammetric determination of harmaline in natural food products using boron-doped diamond electrode. in Journal of Electroanalytical Chemistry Elsevier Science Sa, Lausanne., 744, 37-44. https://doi.org/10.1016/j.jelechem.2015.03.004
Šovrc Ľ, Cinková K, Samphao A, Stanković D, Mehmeti E, Kalcher K. Voltammetric determination of harmaline in natural food products using boron-doped diamond electrode. in Journal of Electroanalytical Chemistry. 2015;744:37-44. doi:10.1016/j.jelechem.2015.03.004 .
Šovrc, Ľubomír, Cinková, Kristína, Samphao, Anchalee, Stanković, Dalibor, Mehmeti, Eda, Kalcher, Kurt, "Voltammetric determination of harmaline in natural food products using boron-doped diamond electrode" in Journal of Electroanalytical Chemistry, 744 (2015):37-44, https://doi.org/10.1016/j.jelechem.2015.03.004 . .