Sustainable enzyme-based dyeing of cotton fabric using brown dye from Ficus benghalensis and its antibacterial property

Q1 Environmental Science

Bioresource Technology Reports Pub Date : 2025-04-16 DOI:10.1016/j.biteb.2025.102121

Susmita Patil , Chandala Jatkar , Maruti Kamble , Kabir Kumbhar , Sachinkumar Patil , Rohant Dhabbe , Sandip Sabale

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Abstract

The consciousness about the environment and sustainable development leads to the emergence of eco-friendly natural dye, an alternative to synthetic dye and dyeing processes. The water discharged from the textile industry spreads various infectious diseases related to the skin, digestive and respiratory systems among human beings as well as poses adverse effects on aquatic biota. Considering the fact, the natural and eco-friendly dye has been extracted from leaves of Ficus benghalensis (FBL) and characterized for spectroscopic and phytochemical properties using FTIR, UV–visible and liquid chromatography tandem mass spectrometry (LC-MS/MS). Obtained brown dye is explored for dyeing cotton fabric using natural mordants (pineapple, spinach and beetroot juices) and compared with traditional potash alum mordant. The dyed fabrics were characterized for fastening properties, K/S and CIE Lab color coordinates, which shows the highest ΔE (41.11) and K/S (7.869) value with the lowest CIE (L* = 55.01; a* = 4.41, b* = 15.64) values for 10 % pineapple-based mordant. The antibacterial assay showed the dye is effective against Bacillus subtilis.

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红榕棕染料对棉织物的可持续酶法染色及其抑菌性能

对环境和可持续发展的意识导致了生态友好的天然染料的出现，这是合成染料和染色工艺的替代品。纺织工业排放的水在人类中传播与皮肤、消化和呼吸系统有关的各种传染病，并对水生生物群产生不利影响。本研究从榕树（Ficus benghalensis， FBL）叶片中提取天然环保型染料，并利用FTIR、uv -可见和液相色谱-串联质谱（LC-MS/MS）对其光谱和化学性质进行了表征。探讨了用天然媒染剂（菠萝、菠菜和甜菜根汁）对棉织物进行染色的棕色染料，并与传统的钾明矾媒染剂进行了比较。对染色织物的紧固性能、K/S和CIE Lab颜色坐标进行表征，其中ΔE（41.11）和K/S（7.869）值最高，CIE （L* = 55.01）值最低；10%菠萝基媒染剂的A * = 4.41, b* = 15.64)值。抑菌试验表明，该染料对枯草芽孢杆菌有较好的抑菌效果。

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