Natural chlorophyll: a review of analysis methods, health benefits, and stabilization strategies

Yang, Zhaotian; Li, Fangwei; Shen, Suxia; Wang, Xiao; Nihmot Ibrahim, Ajibola; Zheng, Hongli; Zhang, Jinghao; Ji, Xingyu; Liao, Xiaojun; Zhang, Yan

doi:10.1080/10408398.2024.2356259

Critical Reviews in Food Science and Nutrition

2024

DOI: 10.1080/10408398.2024.2356259

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Natural chlorophyll: a review of analysis methods, health benefits, and stabilization strategies

Zhaotian Yang,

Fangwei Li,

Suxia Shen

et al.

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2024

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Cited by 3 publications

References 107 publications

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Counter‐Anion‐Dependent Optical Properties of Cationic N22‐Methylated Chlorophyll‐a Derivatives

Ataka,

Kitagawa,

Tamiaki

2024

J of Physical Organic Chem

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Methyl N22‐methylpyropheophorbides‐a with chloride or hexafluorophosphate were prepared by chemically modifying chlorophyll‐a. The resulting product composed of cationic N‐methylated chlorin and chloride anion exhibited visible absorption and fluorescence emission maxima in chloroform at longer wavelengths than those with hexafluorophosphate. Both the absorption and emission spectra of the former were hypsochromically shifted by change of the solvent from chloroform to methanol to give almost the same corresponding spectra of the latter independent of solvents. The apparent counter‐anion dependency in chloroform and the specific solvent dependency in the N‐methyl‐chlorin with chloride are ascribable to the weak solvation of a hard chloride anion over soft hexafluorophosphate in chloroform and strong electrostatic interaction of the cationic chlorin with a chloride anion over hexafluorophosphate in chloroform as well as well solvation of both the anions in methanol. In addition, less emission of N‐methyl‐chlorin with chloride in chloroform would be due to partial fluorescence quenching based on the heavy atom effect of the adjacent chloride anion.

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Counter‐Anion‐Dependent Optical Properties of Cationic N22‐Methylated Chlorophyll‐a Derivatives

Ataka,

Kitagawa,

Tamiaki

2024

J of Physical Organic Chem

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Biomimetic light-harvesting antennas via the self-assembly of chemically programmed chlorophylls

Matsubara,

Shoji,

Tamiaki

2024

Chem. Commun.

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Performance of Different Macrophytes and Support Media in Constructed Wetlands for High Turbidity Reduction from Mine Spoil Rainwater

Gomes,

Rochinha,

Paiva

et al. 2024

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Surface runoff in mining areas transports dissolved and suspended particles into water bodies, known as mine spoil rainwater, contributing to increases in turbidity. The aim of this study was to evaluate the effectiveness of horizontal flow wetlands, free water surface (FWS), and subsurface flow (HSSF) in reducing turbidity >1500 NTU from a synthetic mine spoil rainwater. Macrophytes, support media, hydraulic retention time (HRT), and hydraulic loading rate (HLR) were analyzed. The HSSF T. domingensis in gravel #1 achieved a 99% reduction for 4-day HRT, with residual turbidity of 7 ± 3 NTU for 27.43 L m−2 d−1 HLR. The FWS P. stratiotes achieved a 99% reduction for 6-day HRT, with residual turbidity of 11 ± 5 NTU for 36.53 L m−2 d−1 HLR. P. stratiotes free root structures promoted interception of suspended colloidal particles, resulting in a better performance. The dense root structure of T. domingensis spreading through the pores of the substrate provided better efficiency than N. humboldtiana. However, N. humboldtiana proved to be promising as a native species. The use of small granulometry alkaline support media (9 to 19 mm) was highlighted. Therefore, this research proves the efficiency of constructed wetlands in reducing high turbidity and provides optimized parameters for this technology application.

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Natural chlorophyll: a review of analysis methods, health benefits, and stabilization strategies

Cited by 3 publications

References 107 publications

Counter‐Anion‐Dependent Optical Properties of Cationic N22‐Methylated Chlorophyll‐a Derivatives

Counter‐Anion‐Dependent Optical Properties of Cationic N22‐Methylated Chlorophyll‐a Derivatives

Biomimetic light-harvesting antennas via the self-assembly of chemically programmed chlorophylls

Performance of Different Macrophytes and Support Media in Constructed Wetlands for High Turbidity Reduction from Mine Spoil Rainwater

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