Cleaner dyeing and antibacterial activity of wool fabric using Henna dye modified with Acacia nilotica pods
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ORIGINAL PAPER
Cleaner dyeing and antibacterial activity of wool fabric using Henna dye modified with Acacia nilotica pods Omer Kamal Alebeid1,3 · Liujun Pei1,2 · Ahmed Elhassan3 · Wenlong Zhou1 · Jiping Wang1,2 Received: 19 February 2020 / Accepted: 22 September 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Natural dyes have promising features; however, there are some drawbacks limiting their application in textile dyeing, for example, low dyeing, and fastness properties due to the weak interaction with textiles. Many attempts have been made to improve these shortcomings by using additional chemicals such as metallic mordants which are classified as hazardous chemicals that cause some serious environmental problems. Therefore, we have designed a facile green method for the extraction of natural dye from Henna leaves using Acacia nilotica pods to improve the color intensity and enhance fibers/ dye affinity. In this study, wool fabrics were dyed with Henna and Henna/Acacia dye at different dyeing conditions. FTIR and UV–vis spectrums showed peaks corresponding to tannin and its derivatives in the aqueous extract of modified Henna. Modified Henna dyed samples exhibited noticeable improvement in the color strength (K/S value), washing, rubbing, and lightfastness with excellent antibacterial activity against E. coli and S. aureus. Graphic abstract
Keywords Natural dyes · Acacia nilotica pods · Henna leaves · Wool fabric · Eco-friendly dyeing Electronic supplementary material The online version of this article (https://doi.org/10.1007/s10098-020-01951-7) contains supplementary material, which is available to authorized users. Extended author information available on the last page of the article
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Introduction Natural colorants have been used in textile dyeing ages ago. Recently, they are substituted by synthetic dyes because of their lower production cost and a wide range of bright colors, with good durability for different usage conditions (washing, rubbing, and light) (Samanta et al. 2009, 2011; Büyükakinci et al. 2017). Synthetic dyes are produced from intermediate chemicals via toxic processes that harm both the environment and human health. Consequently, the use of environmentally friendly natural dyes for textiles has been becoming a very important subject (Alebeid et al. 2015b; Batran et al. 2015; Ebrahimi et al. 2016). Natural dyes have many advantages, and the most significant feature is that they well matched with the environment and were safe whether in the production or use stages, biodegradable, and do not generate harmful effluents upon the degradation (Samanta et al. 2009). Natural dyes are extracted from different resources including plants (barks, leaves, roots, fruits or seeds, and flowers that contain coloring constituents such as flavonoids, tannin, and quinonoid) (Kasiri et al. 2012, 2013, Haji et al. 2018). Henna is a small tree grown in many regions such as India, Pakistan, Egypt, Sudan, and Yemen. Henna powder has been used since anci
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