Evaluating Supercritical Carbon Dioxide Extraction vs. Conventional Aqueous Extraction of Natural Dyes from Hypericum triquetrifolium for Textile Fibers Dyeing 


Vol. 25,  No. 10, pp. 3841-3851, Oct.  2024
10.1007/s12221-024-00697-z


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  Abstract

In recent years, the interest in using natural dyes for coloring fabrics has surged due to their eco-friendliness and lower impact on human health. As a sustainable alternative to synthetic dyes, which pose environmental concerns, natural dyes are gaining signifcance in the textile industry. Therefore, developing more efcient extraction methods for natural dyes from plant mate rials for various applications, including food, cosmetics, and textiles, is essential. This study investigates the extraction and dyeing of a novel natural dye derived from Hypericum triquetrifolium. It examines the impact of supercritical CO2 (ScCO2) extraction compared to traditional aqueous methods. The extraction process was analyzed using gravimetric analysis, FTIR, and HPLC chromatography. The fndings revealed that ScCO2 signifcantly improved the extraction efciency of the dyes. Additionally, initial assessments were conducted to evaluate the dyeing capabilities of the extracts obtained through both aqueous and ScCO2 methods on multifber samples using various dyeing techniques.

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  Cite this article

[IEEE Style]

N. Baaka, W. Fersi, N. Baaka, H. Dhaouadi, S. Dridi-Dhaouadi, "Evaluating Supercritical Carbon Dioxide Extraction vs. Conventional Aqueous Extraction of Natural Dyes from Hypericum triquetrifolium for Textile Fibers Dyeing," Fibers and Polymers, vol. 25, no. 10, pp. 3841-3851, 2024. DOI: 10.1007/s12221-024-00697-z.

[ACM Style]

Noureddine Baaka, Wided Fersi, Noureddine Baaka, Hatem Dhaouadi, and Sonia Dridi-Dhaouadi. 2024. Evaluating Supercritical Carbon Dioxide Extraction vs. Conventional Aqueous Extraction of Natural Dyes from Hypericum triquetrifolium for Textile Fibers Dyeing. Fibers and Polymers, 25, 10, (2024), 3841-3851. DOI: 10.1007/s12221-024-00697-z.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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