Development of coupled supercritical fluid extraction-high performance liquid chromatography for quinone analysis in activated sludge

Juliasih, Ni Luh Gede Ratna; Yuan, Lee Chang; Atsuta, Yoichi; Daimon, Hiroyuki

doi:10.1080/01496395.2015.1086803

Cited by 4 publications

(4 citation statements)

References 26 publications

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“…Hamada et al [ 55 ], studied the coupling system SFE-SPE-LC-MS for on-line extraction and trap columns in green, yellow, and red peppers, presenting excellent results with the concentration column with a six-port valve. The interfaces based on a split/splitless injector, an on-column injector, or a programmable temperature vaporizer were less common in on-line SFE coupled to LC than in SFE coupled to SFC [ 27 , 64 , 65 , 66 , 67 ].…”

Section: Innovative Extraction Techniques Suitable For On-line Couplingmentioning

confidence: 99%

Green Extraction Processes for Complex Samples from Vegetable Matrices Coupled with On-Line Detection System: A Critical Review

et al. 2022

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The detection of analytes in complex organic matrices requires a series of analytical steps to obtain a reliable analysis. Sample preparation can be the most time-consuming, prolonged, and error-prone step, reducing the reliability of the investigation. This review aims to discuss the advantages and limitations of extracting bioactive compounds, sample preparation techniques, automation, and coupling with on-line detection. This review also evaluates all publications on this topic through a longitudinal bibliometric analysis, applying statistical and mathematical methods to analyze the trends, perspectives, and hot topics of this research area. Furthermore, state-of-the-art green extraction techniques for complex samples from vegetable matrices coupled with analysis systems are presented. Among the extraction techniques for liquid samples, solid-phase extraction was the most common for combined systems in the scientific literature. In contrast, for on-line extraction systems applied for solid samples, supercritical fluid extraction, ultrasound-assisted extraction, microwave-assisted extraction, and pressurized liquid extraction were the most frequent green extraction techniques.

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Section: Innovative Extraction Techniques Suitable For On-line Couplingmentioning

confidence: 99%

Green Extraction Processes for Complex Samples from Vegetable Matrices Coupled with On-Line Detection System: A Critical Review

et al. 2022

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“…A. Along the dynamic extraction, the analytes are trapped into the solid‐phase trap, which is typically composed by C 18 ‐modified silica or porous graphitic carbon . When the extraction is completed, a solvent (e.g.…”

Section: Sfe With Chromatographic Hyphenated Techniquesmentioning

confidence: 99%

“…In addition, a comparison of quinone profiles for organic solvent extraction method and coupled SFE–LC method showed that the hyphenated method is easier, making it suitable for analyzing a large number of samples. Moreover, it needs less than 2 h of analysis time, uses low organic solvent volumes, and provides high reproducibility and sensitivity .…”

Section: Sfe With Chromatographic Hyphenated Techniquesmentioning

confidence: 99%

On‐line coupling of supercritical fluid extraction and chromatographic techniques

Sánchez‐Camargo

Parada-Alfonso

Ibáñez

2016

J of Separation Science

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This review summarizes and discusses recent advances and applications of on-line supercritical fluid extraction coupled to liquid chromatography, gas chromatography, and supercritical fluid chromatographic techniques. Supercritical fluids, due to their exceptional physical properties, provide unique opportunities not only during the extraction step but also in the separation process. Although supercritical fluid extraction is especially suitable for recovery of non-polar organic compounds, this technique can also be successfully applied to the extraction of polar analytes by the aid of modifiers. Supercritical fluid extraction process can be performed following "off-line" or "on-line" approaches and their main features are contrasted herein. Besides, the parameters affecting the supercritical fluid extraction process are explained and a "decision tree" is for the first time presented in this review work as a guide tool for method development. The general principles (instrumental and methodological) of the different on-line couplings of supercritical fluid extraction with chromatographic techniques are described. Advantages and shortcomings of supercritical fluid extraction as hyphenated technique are discussed. Besides, an update of the most recent applications (from 2005 up to now) of the mentioned couplings is also presented in this review.

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“…These combined systems offer various application advantages under different analytical conditions. The SFE-SFC system utilizes the strengths of supercritical technology to enhance analysis efficiency and accuracy [9,22,29,[34][35][36][37][38]. The SFE-HPLC system combines the supercritical technology for simplified pretreatment ability with mature sepa-ration methods to provide innovative ideas for analyzing complex component samples.…”

Section: Introductionmentioning

confidence: 99%

Simultaneously characterization of multiple constituents in Valeriana jatamansi Jones using an online supercritical fluid extraction‐high‐performance liquid chromatography/supercritical fluid chromatography‐mass spectrometry system

Chen,

Zhang,

Ren

et al. 2023

J of Separation Science

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Valeriana jatamansi Jones is a commonly used traditional Chinese medicine, boasting rich effective compositions with versatile chemical structures and wide polarity, including iridoids, chlorogenic acid, and flavonoids. Previous reports indicate that conventional high‐performance liquid chromatography (HPLC) analytical methods have proven inefficient performance in comprehensively characterizing components in Valeriana jatamansi. In the present study, a hybrid online analytical platform combining supercritical fluid extraction with both conventional HPLC separation (reverse phase) and supercritical fluid chromatography (normal phase) has been established and validated. This system can provide online extraction with two different chromatographic separation modes to increase separation ability and has been connected to a mass spectrometer to acquire high‐resolution mass spectrometry data. Then, the online platform was applied to screening components in Valeriana jatamansi. A total of 117 compounds were identified, including five lignans, 18 organic acids, six flavonoids, and 88 iridoids. Thirty‐three compounds were reported from Valeriana jatamansi for the first time. These results enrich our understanding of the components of Valeriana jatamansi and prove that the developed online platform in this study is a robust approach for accelerating working efficiency in comprehensively analyzing complicated samples.

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Development of coupled supercritical fluid extraction-high performance liquid chromatography for quinone analysis in activated sludge

Cited by 4 publications

References 26 publications

Green Extraction Processes for Complex Samples from Vegetable Matrices Coupled with On-Line Detection System: A Critical Review

Green Extraction Processes for Complex Samples from Vegetable Matrices Coupled with On-Line Detection System: A Critical Review

On‐line coupling of supercritical fluid extraction and chromatographic techniques

Simultaneously characterization of multiple constituents in Valeriana jatamansi Jones using an online supercritical fluid extraction‐high‐performance liquid chromatography/supercritical fluid chromatography‐mass spectrometry system

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