Sustainable natural coloring potential of bitter gourd (Momordica charantia L.) residues for cotton dyeing: innovative approach towards textile industry

Natural products particularly natural colorants have attained worldwide importance and being eco-friendly can be considered an alternative to toxic dyes in order to reduce environmental pollution. The current study is based on the exploration of natural coloring behavior of bitter gourd leaves extra...

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Bibliographic Details
Published in:Environmental science and pollution research international 2022-05, Vol.29 (23), p.34974-34983
Main Authors: Batool, Fatima, Adeel, Shahid, Iqbal, Naeem, Azeem, Muhammad, Hussaan, Muhammad
Format: Article
Language:English
Subjects:
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Color
Color fastness
Coloring agents
Cotton
Cotton dyeing
Dyes
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental science
Exploratory behavior
Flavonoids
Mordant dyes
Natural products
Pollution control
Research Article
Textile industry
Waste Water Technology
Water Management
Water Pollution Control
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Summary:Natural products particularly natural colorants have attained worldwide importance and being eco-friendly can be considered an alternative to toxic dyes in order to reduce environmental pollution. The current study is based on the exploration of natural coloring behavior of bitter gourd leaves extract for cotton dyeing. Colorant was extracted using different extraction media like aqueous, alkali, organic, and acidic at different conditions. It has been found that on application of 50 ml of acidic extract having 6 g/100 ml of table salt for 55 min at 60 C°, maximum color yield has been obtained onto cotton. Upon using chemical and bio-mordants, new shade with good color fastness rating was obtained. FTIR analysis of extract showed the presence of flavonoids. It is concluded that under mild condition, bitter gourd leaves extract can be considered potential source of natural colorant for cotton dyeing and the presence of bio-mordant has made the process more soothing and sustainable in nature.
ISSN:0944-1344
1614-7499
DOI:10.1007/s11356-021-17803-w