Journals / Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi / 2018 / Cilt: 8 - Sayı: 1

Yenilebilir Dört Bitki Türünün Fitokimyasal İçeriğinin Miktarsal Tayini için LC-MS/MS Metot Validasyonu

An LC-MS/MS Method Validation for the Phytochemical Quantification of Four Edible Plants

Pages
179–188
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Although the studied edible plants were chosen as real samples, the developed LC-MS/MS method is applicable to a wide range of species in plant kingdom

📌 3 Key Takeaways

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Objective & Hypothesis:A comprehensive LC-MS/MS method was developed and validated for the quantification of eight plant phytochemicals (cynarin, caffeic acid, syringic acid, p-coumaric acid, o-coumaric acid, vanillic acid, ferulic acid, chlorogenic acid) in plants.
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Key Findings & Data:The developed analytical method was fully validated in terms of linearity, accuracy (recovery), inter and intra-day precision (repeatability), limits of detection and quantification (LOD/LOQ) and relative standard uncertainty (U% at 95% confidence level (k=2)).
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Conclusion & Impact:Although the studied edible plants were chosen as real samples, the developed LC-MS/MS method is applicable to a wide range of species in plant kingdom
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

A comprehensive LC-MS/MS method was developed and validated for the quantification of eight plant phytochemicals (cynarin, caffeic acid, syringic acid, p-coumaric acid, o-coumaric acid, vanillic acid, ferulic acid, chlorogenic acid) in plants. The developed analytical method was fully validated in terms of linearity, accuracy (recovery), inter and intra-day precision (repeatability), limits of detection and quantification (LOD/LOQ) and relative standard uncertainty (U% at 95% confidence level (k=2)). Chromatographic separation was performed on a reverse phased UHPLC. MS detection was performed using a triple quadrupole mass spectrometer and negative or positive ionization modes were optimized for each analyte. Multiple reaction monitoring (MRM) was used to quantify the analytes, related molecular ions and transition ions were optimized. After method validation, the phytochemical composition of methanolic extracts of some edible plants including artichoke (Cynara scolymus L.), broccoli (Brassica Oleracea var. Italica), cauliflower (Brassica Oleracea var. Botrytis) and tumble thistle (Gundelia Tournefortii) were investigated by the developed and validated LC-MS/MS method. Among the analysed plants, artichoke was by far the richest one in terms of phenolics. Additionally, chlorogenic acid was the most abundant phenolic compound in all plants. Although the studied edible plants were chosen as real samples, the developed LC-MS/MS method is applicable to a wide range of species in plant kingdom

Özet

Bitkilerde 8 fitokimyasal bileşiğin (sinarin, kafeik asit, sirinjik asit, p-kumarik asit, o-kumarik asit, vanilik asit, ferulik asit, klorojenik asit) miktarsal tayini için kapsamlı bir LC-MS/MS metodu geliştirildi ve validasyon çalışmaları yapıldı. Geliştirilen analitik metot lineerite, gerçeklik (geri kazanım), gün içi ve günlerarası kesinlik (tekrarlanabilirlik ve tekrar üretilebilirlik), tespit ve tayin limitleri (LOD/LOQ) ve bağıl standart belirsizlik (% 95 güven aralığında (k=2)) gibi parametreleri içerek şekilde tam validasyon çalışmaları yapıldı. Kromatografik ayrım ters faz UHPLC sistemi ile yapıldı. Kütle dedeksiyonu ise her analit için negative veya pozitif iyonlaşma modları optimize edilerek üçlü kuadrupol kütle spektrometresi ile gerçekleştirildi. Analitlerin miktarsal tayini için çoklu reaksiyon görüntüleme (MRM) kullanıldı, moleküler iyonlar ve ilgili geçiş iyonları ise optimize edildi. Metot validasyonu sonrası, enginar (Cynara scolymus L.), brokoli (Brassica Oleracea var. Italica), karnabahar (Brassica Oleracea var. Botrytis) ve kenger gibi (Gundelia Tournefortii) bazı yenilebilir bitkilerin methanol ekstrelerinin fitokimyasal içerikleri geliştirilen ve valide edilen LC-MS/MS metodu ile tespit edildi. Analiz edilen bitkiler arasında enginar, açık ara farkla fenolik yönünden en zengini olarak belirlendi. Ek olarak, analiz edilen tüm bitkilerde klorojenik asit en bol bulunan bileşen olarak görüldü. Çalışılan örnekler analiz için seçilmiş bitkiler olsa da, geliştirilen LC-MS/MS metodu bitki dünyasındaki pekçok bitkiye uygulanabilirdir

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Cite This Article

CAKIR, O., ARICA, E., YILMAZ, M. A., ERTAS, A., YENER, İ., OTLUDİL, B., ALMA, M. H. (2022). Yenilebilir Dört Bitki Türünün Fitokimyasal İçeriğinin Miktarsal Tayini için LC-MS/MS Metot Validasyonu. Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt: 8 - Sayı: 1, 179–188. https://ajindex.com/articles/538550

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