Journals / Anadolu Üniversitesi Fen Fakültesi Dergisi / 2004 / Cilt: 0 - Sayı: 8

Determination of the structural stabilitiy of chlorophyll a towards the $H_2O_2$,NaOCI and $(CH_3)_3COOH$ oxidants dependent on pH

Klorofil A'nın pH'ya bağımlı $H_2O_2$, $(CH_3)_3COOH$ ve NaOCI oksidantlarına karşı yapı kararlılığının incelenmesi

Pages
71–83
Publication Date
2022-10-11
DOI
—
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AI Summary & Key Takeaways

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

When chlorophyll a were investigated toward oxidants, its structural stability increased as follow NaOCI < $H_2O_2$ $(CH_3)_3COOH$ for Chlorophyll a.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, chlorophyll a structural stabilities in different medium, under nonoxidant condition and toward $H_2O_2$, $(CH_3)_3$COOH and NaOCI were studied in various pH's at 30 °C.
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Key Findings & Data:The degradation kinetics of these chlorophyll a were determined by following the decrease of the Soret band intensities in the UV-Vis spectra.
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Conclusion & Impact:When chlorophyll a were investigated toward oxidants, its structural stability increased as follow NaOCI < $H_2O_2$ $(CH_3)_3COOH$ for Chlorophyll a.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, chlorophyll a structural stabilities in different medium, under nonoxidant condition and toward $H_2O_2$, $(CH_3)_3$COOH and NaOCI were studied in various pH's at 30 °C. The degradation kinetics of these chlorophyll a were determined by following the decrease of the Soret band intensities in the UV-Vis spectra. When chlorophyll a were investigated in different pH's, in nonoxidant medium and in acidic media, they had demetalation and degradation of this porphyrin ring. In basic medium, chlorophyll a was hydrolised and changed into chlorophyllid a and it showed non degradation. When chlorophyll a were investigated toward oxidants, its structural stability increased as follow NaOCI < $H_2O_2$ $(CH_3)_3COOH$ for Chlorophyll a.

Özet

Bu çalışmada klorofil a'nın pH 1-14 arlığında oksidantsız ve hidrojen peroksit, tert-bütil hidroperoksit ve sodyum hipoklorite karşı yapı kararlılıkları 30 °C'de incelenmistir. Klorofil a'nın farklı oksidantlardaki parçalanma kinetiği UV-Görünür bölge taramalı spektrofotometre kullanılarak elde edilen spektrumlardaki Soret pikinin absorbansındaki azalma takip edilerek araştırılmıştır. Klorofil a'nın yapı kararlılığı incelendiginde, farklı pH'larda oksidantsız ve asidik ortamda demetalasyonla birlikte porfirin halkasının parçalanması, bazik ortamlarda ise defitolasyon ile oluşan klorofillid a'nın bozunmadığı gözlenmiştir. Klorofil a'nın oksidantlara karşı yapı kararlılığı ise NaOCl < $H_2O_2$

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Cite This Article

BERBER, H., YURDAKAL, S. (2022). Determination of the structural stabilitiy of chlorophyll a towards the $H_2O_2$,NaOCI and $(CH_3)_3COOH$ oxidants dependent on pH. Anadolu Üniversitesi Fen Fakültesi Dergisi, Cilt: 0 - Sayı: 8, 71–83. https://ajindex.com/articles/438615

References (3)

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