Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice

öztürk, merve; Demir, Ersin; Ozdal, Tugba

doi:10.18596/jotcsa. 752982

Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice

Merve Ozturk, (İstanbul Okan Üniversitesi, Mühendislik Fakültesi, Gıda Mühendisliği Bölümü, İstanbul, 34959, Türkiye)

Ersin Demir, (Afyonkarahisar Sağlık Bilimleri Üniversitesi, Eczacılık Fakültesi, Analitik Kimya Anabilim Dalı, 03030, Afyonkarahisar, Türkiye)

Tugba ÖZDAL (İstanbul Okan Üniversitesi, Mühendislik Fakültesi, Gıda Mühendisliği Bölümü, İstanbul, 34959, Türkiye)

Journal of the Turkish Chemical Society, Section A: Chemistry

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Yıl: 2021 Cilt: 8 Sayı: 1 Sayfa Aralığı: 163 - 172 Metin Dili: İngilizce DOI: 10.18596/jotcsa. 752982 İndeks Tarihi: 28-02-2021

Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice

Öz:

In this study, total flavonoid substances, total phenolic substances, and total antioxidant capacity inturnip juice which made from the turnip (Brassica rape), a plant belonging to the family of “Turpgiller”(Brassicaceae), and also a drink specific to the Çukurova, were investigated. The turnip juice samples, takenfrom the turnip juice (A sample) and hot turnip juice (B) sample in local market, prepared in the laboratory wereperformed as two different parallel assays. In addition, electrochemical method was used to evaluate totalantioxidant capacity (TAC) of turnip juice and hot turnip juice. By the square wave stripping voltammetry(SWSV) method, under the optimized experimental conditions was applied for quercetin determination with alimit of detection (LOD) and limit of quantification (LOQ) of 0.017 and 0.057 µg/L, respectively. These values aresatisfactory for application to real food samples for the evaluation of TAC. According to the results carried outby spectrophotometric methods, the highest total phenolic and flavonoid contents and TAC were observed as13.049±0.40 g GAE/mL, 37.850±0.70 mg QE/mL and 81.831±3,24 mg TE/100 mL, respectively. In addition, theTAC in turnip juice and hot turnip juice were calculated as 573.05±0.43 mg/L and 854.98±9.9 mg/L by SWSV,respectively. The results obtained by voltammetric and spectrophotometric methods for determinations of TACwere in correlation and found to be compatible for the determination of TAC.

Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	öztürk m, Demir E, Ozdal T (2021). Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. , 163 - 172. 10.18596/jotcsa. 752982
Chicago	öztürk merve,Demir Ersin,Ozdal Tugba Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. (2021): 163 - 172. 10.18596/jotcsa. 752982
MLA	öztürk merve,Demir Ersin,Ozdal Tugba Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. , 2021, ss.163 - 172. 10.18596/jotcsa. 752982
AMA	öztürk m,Demir E,Ozdal T Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. . 2021; 163 - 172. 10.18596/jotcsa. 752982
Vancouver	öztürk m,Demir E,Ozdal T Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. . 2021; 163 - 172. 10.18596/jotcsa. 752982
IEEE	öztürk m,Demir E,Ozdal T "Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice." , ss.163 - 172, 2021. 10.18596/jotcsa. 752982
ISNAD	öztürk, merve vd. "Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice". (2021), 163-172. https://doi.org/10.18596/jotcsa. 752982

APA	öztürk m, Demir E, Ozdal T (2021). Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. Journal of the Turkish Chemical Society, Section A: Chemistry, 8(1), 163 - 172. 10.18596/jotcsa. 752982
Chicago	öztürk merve,Demir Ersin,Ozdal Tugba Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. Journal of the Turkish Chemical Society, Section A: Chemistry 8, no.1 (2021): 163 - 172. 10.18596/jotcsa. 752982
MLA	öztürk merve,Demir Ersin,Ozdal Tugba Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. Journal of the Turkish Chemical Society, Section A: Chemistry, vol.8, no.1, 2021, ss.163 - 172. 10.18596/jotcsa. 752982
AMA	öztürk m,Demir E,Ozdal T Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. Journal of the Turkish Chemical Society, Section A: Chemistry. 2021; 8(1): 163 - 172. 10.18596/jotcsa. 752982
Vancouver	öztürk m,Demir E,Ozdal T Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice. Journal of the Turkish Chemical Society, Section A: Chemistry. 2021; 8(1): 163 - 172. 10.18596/jotcsa. 752982
IEEE	öztürk m,Demir E,Ozdal T "Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice." Journal of the Turkish Chemical Society, Section A: Chemistry, 8, ss.163 - 172, 2021. 10.18596/jotcsa. 752982
ISNAD	öztürk, merve vd. "Voltammetric and spectrophotometric pathways for the determination of total antioxidant capacity in commercial turnip juice". Journal of the Turkish Chemical Society, Section A: Chemistry 8/1 (2021), 163-172. https://doi.org/10.18596/jotcsa. 752982