Colorimetric Assay and Antibacterial Activity of Cotton, Silk, and Wool Fabrics Dyed with Peony, Pomegranate, Clove, Coptis chinenis and Gallnut Extracts
Open Access
- 14 January 2009
- Vol. 2 (1), 10-21
- https://doi.org/10.3390/ma2010010
Abstract
To investigate the antibacterial functionality of natural colorant extracts, five kinds of natural dying aqueous solutions were obtained by extraction from peony, pomegranate, clove, Coptis chinensis and gallnut using water at 90 °C for 90 min with a liquor ratio (solid natural colorant material/water, weight ratio) of 1:10. The colorimetric assay and antibacterial activity of cotton, silk, and wool fabrics dyed with these natural colorant extracts were examined. It was found that these properties were significantly dependent on the structure of colorant and the kind of fabrics. The hues (H) of all fabrics dyed with these natural colorants were in the range of 6.05YR -1.95Y. The order of value (V) was wool, silk and cotton. The chroma (C) of all samples was found to be at very low levels indicating the natural tone. All the fabrics dyed with the five natural colorants (peony, pomegranate, clove, Coptis chinensis and gallnut) extracts displayed excellent antibacterial activity (reduction rate: 96.8 - 99.9%) against Staphylococcus aureus. However, in the case of Klebsiella pneumoniae, the antibacterial activity was found to depend on the kind of natural colorant extract used.Keywords
This publication has 14 references indexed in Scilit:
- Dyeing, fastness, and deodorizing properties of cotton, silk, and wool fabrics dyed with gardenia, coffee sludge, Cassia tora. L., and pomegranate extractsFibers and Polymers, 2008
- Dyeing of wool with Marigold and its propertiesFibers and Polymers, 2007
- Dyeing, fastness, and deodorizing properties of cotton, silk, and wool fabrics dyed with coffee sludge (Coffea arabica L.) extractJournal of Applied Polymer Science, 2006
- Improving light fastness of natural dyes on cotton yarnDyes and Pigments, 2006
- Dyeing properties and colour fastness of cotton and silk fabrics dyed withCassia tora L. extractFibers and Polymers, 2004
- Natural dyes in modern textile dyehouses — how to combine experiences of two centuries to meet the demands of the future?Journal of Cleaner Production, 2002
- Dyeability of cellulose fibers using dyestuff from African rosewood (Pterocarpus erinaceous)Journal of Applied Polymer Science, 2000
- Rubia tinctorum a source of natural dyes: agronomic evaluation, quantitative analysis of alizarin and industrial assaysIndustrial Crops and Products, 1997
- Is there a future for natural dyes?Coloration Technology, 1997
- Color Characteristics of Traditional Vegetable DyeingTextile Research Journal, 1973