An efficient two-step approach for the preparative separation and purification of eight polyphenols from Hibiscus manihot L. flower with high-speed countercurrent chromatography

Liu, Ju-Zhao; Tian, Xiaoli; Fu, Yujie; Cui, Qi

doi:10.1016/j.arabjc.2023.104791

Cited by 6 publications

(1 citation statement)

References 51 publications

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“…MDCCC is a powerful technique with broad applications in various chemistry, environmental science, and drug discovery fields. From Table 1, we can find vari- Methyl tert-butyl ether-butanol-acetonitrile-1% trifluoroacetic acid water- ous plant constituents that multidimensional techniques have separated, and the subsequent discussions illustrate the technique's usefulness in isolating natural compounds such as alkaloids, flavonoids, and polyphenols [35].…”

Section: In Complex Natural Separationmentioning

confidence: 99%

Recent trends in multidimensional countercurrent chromatography

Muhire,

Sun,

Zhang

et al. 2024

J of Separation Science

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Countercurrent chromatography (CCC) is a potent separation approach known for its remarkable efficiency and capacity in preparation. It's applied as a substitute or combined with different chromatographic techniques, resulting in its rebranding as multidimensional CCC (MDCCC). Numerous essential mixtures from natural products contain hundreds or thousands of distinct components of importance. These mix types are too complicated to separate in any reasonable time using a single CCC dimension. However, if a multidimensional technique is utilized, where a complex mixture is separated by an initial dimension, smaller fractions of that separation are gathered. Each fraction is studied individually; complex mixes can be resolved relatively quickly. Thus, several MDCCC separation features have been studied to demonstrate their advantages, limitations, and prospective capacity to separate exceedingly complex mixtures. In this review, MDCCC aspects, including principles, multiple columns system, multilayer coil J‐type, on‐line monitoring system, and applications, have been thoroughly_explored.

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Section: In Complex Natural Separationmentioning

confidence: 99%

Recent trends in multidimensional countercurrent chromatography

Muhire,

Sun,

Zhang

et al. 2024

J of Separation Science

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Macroporous polymeric resin for the purification of flavonoids from medicinal plants: A review

Aljawarneh,

Che Zain,

Zakaria

2024

J of Separation Science

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The purification of flavonoids using the macroporous polymer resin method has gained attention in recent years due to its simplicity, precision, cost‐effectiveness, and the ability to separate flavonoids from other constituents. Several studies have been conducted to investigate the efficiency and effectiveness of macroporous polymer resin in purifying flavonoids from various plant sources. This review aims to evaluate the existing literature on macroporous polymer resin purification of flavonoids and provide a comprehensive analysis of the current research trends and advancements in this field. It also highlights the importance of optimizing the adsorption parameters and conditions such as resin type, resin concentration, pH, and temperature for efficient purification of flavonoids using macroporous polymer resin. The key findings of this review reveal that macroporous resins with weak polarity, large surface areas, and pore diameters have a stronger adsorption capacity for flavonoids compared to polar resins. Furthermore, ultrasonic‐solvent assisted extraction often combines with macroporous resin for effective the extraction and purification of flavonoids.

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Terminalia catappa leaf extract as a bio-reducing agent to synthesize Cu2O nanoparticles for methylene blue photodegradation

Nguyen,

Nguyen

et al. 2024

Discov Appl Sci

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The large tree species Terminalia catappa is a member of the Combretaceae family and is mainly found in tropical climates. They are commonly cultivated for shade because they have huge, dense foliage. Numerous polyphenols, including flavonoids, tannins, saponins, and phytosterols, are present in the leaves. In this study, the green chemical method was used to extract polyphenols from dried green almond leaves. They were employed in the synthesis of Cu2O nanoparticles as a reducing agent. FTIR and UV–Vis were used to describe the leaf extract of Terminalia catappa after the chlorophyll was removed. Copper salt was used to create Cu2O nanoparticles via a reduction process. The extract's potential for photocatalytic dye degradation has also been explored. The obtained Cu2O had a spherical shape with dimensions of 50–100 nm, and its band gap energy reached 1.945 eV to remove methylene blue from aqueous media under visible light irradiation conditions. At an initial MB concentration of 10 ppm, the decomposition efficiency reached 71.99% after only 2 h of exposure to simulated sunlight. The decomposition process occurred according to a pseudo-first-order kinetic model with a rate constant of 0.0084 min−1.

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An efficient two-step approach for the preparative separation and purification of eight polyphenols from Hibiscus manihot L. flower with high-speed countercurrent chromatography

Cited by 6 publications

References 51 publications

Recent trends in multidimensional countercurrent chromatography

Recent trends in multidimensional countercurrent chromatography

Macroporous polymeric resin for the purification of flavonoids from medicinal plants: A review

Terminalia catappa leaf extract as a bio-reducing agent to synthesize Cu2O nanoparticles for methylene blue photodegradation

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