Green extraction and application of yellow natural curcumin colorant from Curcuma aromatica rhizomes for silk dyeing
Authors
Noman Habib
Department of Botany, Government College University Faisalabad, Faisalabad, 38000 Pakistan
Fatima Batool
Department of Botany, Division of Science and Technology, University of Education Lahore, Lahore, 54770 Pakistan
Shahid Adeel
Department of Applied Chemistry, Government College University Faisalabad, Faisalabad, 38000 Pakistan
Muhammad Naveed
Department of Botany, Government College University Faisalabad, Faisalabad, 38000 Pakistan
Aamir Ali
Department of Botany, Government College University Faisalabad, Faisalabad, 38000 Pakistan
Rony Mia
Center for Global Health Research, Department of Medical Biotechnology, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Tamil Nadu, 602105 India
Mohammed Assiri
Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, 61413 Abha, Saudi Arabia
Green products such as plant tints are becoming more and more well-known worldwide due to their superior biological and ayurvedic properties. In this work, colorant from Amba Haldi (Curcuma aromatica) was isolated using microwave (MW), and bio-mordants were added to produce colorfast shades. Response surface methodology was used to develop a central composite design (CCD), which maximizes coloring variables statistically. The findings from 32 series of experiments show that excellent color depth (K/S = 12.595) was established onto MW-treated silk fabric (RS = 4 min) by employing 65 mL of radiated aqueous extract (RE = 4 min) of 5 pH cutting-edge the existence of 1.5 g/100 mL used sodium chloride at 75 °C for 45 min. It was discovered that acacia (keekar) extract (1%), pomegranate extract (2%), and pistachio extract (1.5%) were present before coloring by the use of bio-mordants. On the other hand, upon dyeing, acacia extract (1.5%), pomegranate extract (1.5%), and pistachio extract (2%) have all shown extremely strong colorfast colors. Comparatively, before dyeing, salts of Al3+ (1.5%), Fe2+ (2%), and TA (1.5%) gave good results; after dyeing, salts of Al3+ (1%) and Fe2+ (1.5%) and TA (2%) gave good results. When applied to silk fabric, MW radiation has increased the production of dyes recovered from rhizomes. Additionally, the right amount of chemical and biological mordants have been added, resulting in color fastness ratings ranging from outstanding to good. Therefore, the natural color extracted from Amba Haldi can be a sustainable option for the dyeing of silk fabric in the textile dyeing and finishing industries.
Keywords: Curcuma aromatica, Silk, Acacia, Mordanting, Pomegranate, Microwave
Subject terms: Environmental monitoring, Pollution remediation
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