Cleaner production of bioactive and coloured cotton fabric using Euclea divinorum dye extract with bio-mordants

Manyim, Scolastica (author)

Coloured textile products are more marketable, and are therefore always in higher demand. This has increased the use of synthetic dyes in the textile industry, thus raising environmental pollution associated with synthetic dyes. Natural dyes have been shown to be suitable alternatives. However, the use of metallic mordants during dyeing means the process is not eco-friendly, hence the need to develop bio-mordants that can be used as alternatives to some toxic metallic mordants. In this study, the effects of bio-mordants on the dyeing properties of Euclea divinorum Hiern (Ebenaceae) dye extract were assessed using different mordanting methods on cotton fabric. Dyeing characteristics were evaluated in terms of colour fastness and colour strength. Antioxidant textile finishing properties of the natural dye on cotton fabric was determined using the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH) method. The bio-mordants improved the colour strength for dyed cotton fabric from 0.612 to 0.863 and 0.911 for the cotton fabric mordanted with mango and rosemary, respectively. This study identified an important basis of suitable bio-mordants that can be applicable when dyeing cotton fabric with E. divinorum natural dye. In addition, the good antioxidant activity of 72.5% indicates that E. divinorum dye extract is a promising agent for the future development of bioactive, protective and health textile fabric.

• Language: English
• Keywords: natural dye, bio-mordants, antioxidant activity
• Work type: Article
• Typology: 1.01 - Original Scientific Article
• Organization: NTF - Faculty of Natural Sciences and Engineering
• Publication status: Published
• Publication version: Version of Record
• Year: 2023
• Number of pages: Str. 38-46
• Numbering: Vol. 66, no. 1
• PID: 20.500.12556/RUL-164740
• UDC: 677.027.422
• ISSN on article: 0351-3386
• DOI: 10.14502/tekstilec.65.2022072
• COBISS.SI-ID: 204714499

Note

V datoteki članka je naveden napačen DOI: 10.14502/tekstilec.66.2022072. (Datum opombe: 21. 1. 2026)

• Publication date in RUL: 08.11.2024

Record is a part of a journal

• Title: Tekstilec : glasilo slovenskih tekstilcev
• Shortened title: Tekstilec
• Publisher: Zveza inženirjev in tehnikov tekstilcev, Splošno združenje tekstilne industrije, Zveza inženirjev in tehnikov tekstilcev, Splošno združenje tekstilne industrije, Društvo inženirjev in tehnikov tekstilcev, Univerza v Ljubljani, Naravoslovnotehniška fakulteta, Oddelek za tekstilstvo, Založba Univerze v Ljubljani
• ISSN: 0351-3386
• COBISS.SI-ID: 763396

Licences

• License: CC BY 4.0, Creative Commons Attribution 4.0 International
• Link: http://creativecommons.org/licenses/by/4.0/
• Description: This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

• Language: Slovenian
• Title: Čistejša izdelava bioaktivnih in obarvanih bombažnih tkanin z uporabo izvlečka barvila Euclea divinorum s pomočjo organske čimže

Abstract

Obarvani tekstilni izdelki se dobro tržijo in po njih je vedno veliko povpraševanja. Zato so se sintetična barvila v preteklosti veliko uporabljala, to pa je vodilo tudi v povečano onesnaževanje okolja. Naravna barvila so primerna alternativa, vendar je raba kovinskih čimž pri barvanju z naravnimi barvili okolju neprijazna. Iz tega izhaja potreba po razvoju organskih čimž, ki bi lahko zamenjale strupene kovinske. V tej raziskavi so bili ocenjeni učinki organskih čimž na lastnosti obarvane bombažne tkanine z barvilnim ekstraktom iz Euclea divinorum Hiern (Ebenaceae) pri uporabi različnih metod čimžanja. Lastnosti obarvanja so bile ocenjene glede na barvno obstojnost in globino obarvanja. Antioksidativne lastnosti bombažne tkanine, obarvane z naravnim barvilom, so bile določene z metodo 2,2-difenil-1-pikrilhidrazil radikala (DPPH). Organske čimže so izboljšale globino obarvanja obarvane bombažne tkanine z 0,612 na 0,863 oziroma 0,911 za tkanini, čimžani z mangom oziroma rožmarinom. Ta raziskava je pomembna osnova pri izbiri primernih organskih čimž za barvanje bombažnih tkanin z naravnim barvilom E. divinorum. Poleg tega dobra antioksidativna aktivnost 72,5 % kaže tudi na to, da je ekstrakt barvila E. divinorum obetavno sredstvo za nadaljnji razvoj tekstilij z bioaktivnimi, zaščitnimi in zdravilnimi lastnostmi.

• Keywords: tekstilna tehnologija, naravna barvila, organska čimža, antioksidativno delovanje