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Biologically Plant-Based Pigments in Sustainable Innovations for Functional Textiles – the Role of Bioactive Plant Phytochemicals

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Biologically Plant-Based Pigments in Sustainable Innovations for Functional Textiles – the Role of Bioactive Plant Phytochemicals Heriot-Watt University Research Gateway Biologically plant-based pigments in sustainable innovations for functional textiles – The role of bioactive plant phytochemicals Citation for published version: Thakker, A & Sun, D 2021, 'Biologically plant-based pigments in sustainable innovations for functional textiles – The role of bioactive plant phytochemicals', Journal of Textile Science and Fashion Technology , vol. 8, no. 3, pp. 1-25. https://doi.org/10.33552/JTSFT.2021.08.000689 Digital Object Identifier (DOI): 10.33552/JTSFT.2021.08.000689 Link: Link to publication record in Heriot-Watt Research Portal Document Version: Publisher's PDF, also known as Version of record Published In: Journal of Textile Science and Fashion Technology General rights Copyright for the publications made accessible via Heriot-Watt Research Portal is retained by the author(s) and / or other copyright owners and it is a condition of accessing these publications that users recognise and abide by the legal requirements associated with these rights. Take down policy Heriot-Watt University has made every reasonable effort to ensure that the content in Heriot-Watt Research Portal complies with UK legislation. If you believe that the public display of this file breaches copyright please contact [email protected] providing details, and we will remove access to the work immediately and investigate your claim. Download date: 25. Sep. 2021 ISSN: 2641-192X DOI: 10.33552/JTSFT.2021.08.000689 Journal of Textile Science & Fashion Technology Review Article Copyright © All rights are reserved by Alka Madhukar Thakker Biologically Plant-Based Pigments in Sustainable Innovations for Functional Textiles – The Role of Bioactive Plant Phytochemicals Alka Madhukar Thakker* and Danmei Sun School of Textiles and Design, Heriot-Watt University, UK *Corresponding author: Alka Madhukar Thakker, School of Textiles and Design, He- Received Date: March 29, 2021 riot-Watt University, TD1 3HF, UK. Published Date: June 01, 2021 Abstract The fossil-based emissions and effluents from the textile wet processing units have acute implications on the environment and human wellbeing. Therefore, a paradigm shift towards sustainable alternative materials and technology has become imperative. Thus, the overview herein emphasizes the sustainable chemistry that ubiquitously exists to propel ecological textile processing with herbal biomaterials. The review paper succinctly accentuates the efficient qualities of bioactive plant pigments for functional textiles. The paper also outlines the sustainable method of processing economywith plant are phytochemicals. detailed. The eco-friendly herbal materials as an excellent example of Biomimicry is presented. Likewise, the multi-disciplinary research approach is discussed herein to refute global dilemmas and impel holistic ecological outcomes. The circular materials for the circular Keywords: Sustainable chemistry; Bioactive pigments; Herbal colors; Functional fabrics; Sustainable textiles Introduction Figure 1: The dilemma of Citarum river, Indonesia, colored blue due to toxic synthetic dye effluents discharged from the surrounding textile wet processing units [4]. This work is licensed under Creative Commons Attribution 4.0 License JTSFT.MS.ID.000689. Page 1 of 25 Journal of Textile Science & Fashion Technology Volume 8-Issue 3 Greenpeace international initiated Detox My Fashion campaign (PFCs), and phthalates. The list of restricted carcinogenic dyes in 2011 to ensure that the clothing was free from hazardous namely azo, disperse etcetera, and anti-microbials namely chemicals from make to finish [1]. For example, their research triclosan etcetera are detailed in the ZDHC M-RSL [3]. This impels findings on the Citarum river contamination refer to Figure 1. the research and development of alternative biodegradable and dyes of 0,005 mg/l and heavy metals from textile mills resulting substrates for coloration and functionality namely anti-microbial, concluded it to be loaded with chromium and copper-containing renewable sources of natural materials for the application of textile (Figure 1). in low levels of dissolved oxygen (DO) in the water of 2.45 mg/l. analgesic, antioxidant etcetera, hence the instigated review paper The minimum required DO is 4 mg/l to sustain aquatic life. It took a heavy toll on aquatic life with 60% of fish dead also Several authors have taken a unique approach towards affecting surrounding flora and fauna [2]. They further launched sustainability in textiles however the overview herein focuses on Zero Discharge of Hazardous Chemicals (ZDHC) wherein they sustainability in textiles. plant-based renewable and biodegradable points of sources for predominantly accentuate implementing eco-smart process and Ecological Processing of Plant Phytochemical’s safe Chemicals in textile processing units. ZDHC formulated a Manufacturing Restricted Substances List, or M-RSL, which appeal to mandatorily eliminate 11 priority hazardous chemical groups For green consequences, it is crucial to adopt processing tools The current sustainability challenges faced by the textile industry refer to https://mrsl.roadmaptozero.com/MRSL2_0. It prohibits and techniques that would be low on water and energy demand. the use of heavy metals namely chromium, copper etcetera also Tablealkylphenol 1: Sustainability ethoxylates challenges (APEs), confrontedper- and polyfluorinated by the textile industry chemicals [5]. are summarized in Table 1. Stages Best practices to implement Scouring Fiber/fabric processing Minimum steps, reuse, recycle, reduce consumption of resources. Utilize Plant-based materials, combine the steps, and lower the effluent pollution index Desizing BleachingDyeing Plant-based natural dyes and dye assistants, simplify synthetic dyeing with the right pH, auxiliary, enzymes and reduce the effluent quantity and toxicity. Printing Formaldehyde-free, ureaNon-metallic, free, non-volatile non-ionic, water-based biodegradable. inks, thickeners, and solvents. Pre- and post-treatment treatments Surface modification’s and Mechanical, nontoxic, simple. Techniques that save energy and water usage. The overview particularly centers on renewable plant-based anti-microbial, anti-inflammatory functionality are very sensitive natural materials therefore elaborates on the sustainable procedure to heat treatment and are expended on boiling. The temperature for suitable application of herbs on textile substrates. There is of the water of 30 to 60 ℃ is most advantageous for maintaining a growing body of literature that recognizes the importance of original color stability and functional phytochemical contents [6-8]. sustainability in textile wet processing units [5]. Subsequently, low temperature and overnight extraction or dyeing were concluded to be conducive for the processing of natural fiber/ Under the sustainability agenda, previous studies make fabrics with natural herbs. a noteworthy revelation, the natural plant phytochemicals responsible for functionality and coloration on a textile substrate In the same vein, reheating, and prolonged heating at a are preserved at low infusion temperatures, low dilution, and in temperature beyond 60 ℃ perishes the phytochemicals for example plain water as a solvent [5-8]. Therefore, greater functional benefits 62% of the phenolic acids would get destroyed in 2 minutes of 100 and original color are achieved with minimal heat concoctions of ℃ heat aka boiling temperature [9]. The process is simple and clean herbal leaves, stems, barks, buds, and flowers. At the same time involving no emissions and effluents. Hence, the ecological devised being low on energy, water, and synthetic solvent demands would process which concurrently adheres to Sustainable developmental impel sustainable results. goals (SDGs) [10]. The method developed propels optimal functionality and original color stability. For example, Figures 2,3, The naturally occurring plant phytochemicals namely catechins, and anthocyanins others contained in cloves, green and 4 elaborates on the surplus raw materials, ecological processing polyphenolic compounds for example quercetin, kaempferol, implemented in research experiments, and likewise the obtained sustainable results depicted in images [8]. tea, mango turmeric, kattha others responsible for anti-oxidant, Citation: Page 2 of 25 . 8(3): 2021. JTSFT.MS.ID.000689. DOI: 10.33552/JTSFT.2021.07.000689. Alka Madhukar Thakker, Danmei Sun. Biologically Plant-Based Pigments in Sustainable Innovations for Functional Textiles – The Role of Bioactive Plant Phytochemicals Journal of Textile Science & Fashion Technology Volume 8-Issue 3 Figure 2: Sustainable processing of bamboo, banana, and merino wool with Azadirachta indica (Neem) [8]. Figure 3: Sustainable processing of bamboo, banana, and merino wool with Camellia sinensis (Green tea) [8]. Citation: Page 3 of 25 . 8(3): 2021. JTSFT.MS.ID.000689. DOI: 10.33552/JTSFT.2021.07.000689. Alka Madhukar Thakker, Danmei Sun. Biologically Plant-Based Pigments in Sustainable Innovations for Functional Textiles – The Role of Bioactive Plant Phytochemicals Journal of Textile Science & Fashion Technology Volume 8-Issue 3 Figure 4: Sustainable processing of bamboo, banana, and merino wool with Ocimum tenuiflorum (Tulsi) [8] Functionality: Anti-inflammation, anti-microbial, anti-oxidant, kind to skin and environment. The green chemistry inherently manifested by herbal materials, the functionality of herbs, and color obtained on natural textile sustainable natural plant fibers
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