NDLI: Dyeing Properties and Antimicrobial Activity of Silk Fabrics with Hot-Water Extract of Unripe Citrus unshiu

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Dyeing Properties and Antimicrobial Activity of Silk Fabrics with Hot-Water Extract of Unripe Citrus unshiu

Content Provider	Semantic Scholar
Author	Sarmandakh, Badmaanyambuu Yi, Eunjou
Copyright Year	2017
Abstract	c2017 The Korean Fiber Society Abstract: This study was aimed at optimizing the dyeing conditions of silk fabrics by using a hot-water extract from an unripe Citrus unshiu, and investigating the fastness and various microbial activities of the dyed fabrics depending on their surface hue/tone. The citrus extract powder was characterized by FT-IR and was employed to dye silk fabric at various conditions including temperature, duration, pHs, dye concentration, and mordanting. Finally, the dyed fabrics were evaluated for fastness and antimicrobial activity by bacterial reduction rate depending on the surface hue and tone of the dyed fabric. The citrus extract was identified as containing nobiletin, a type of flavonoid. The fabric was optimized for maximum dye uptake at a dyeing temperature of 80 C, dyeing duration of 60 min, and dye concentration of 600% owf. The dye uptake was found to be superior when the dye process was conducted at a pH of 3 and when post-mordanted with iron. The color gamut derived from dyeing with the citrus showed a total of five different tones including light grayish, grayish, dull, soft, and dark grayish with a single hue of yellow. Some of dyed fabrics showed good fastness in terms of dry-cleaning, perspiration, and rubbing. Antimicrobial activity was found to be excellent at all dye concentrations against Staphylococcus aureus.
Starting Page	8
Ending Page	16
Page Count	9
File Format	PDF HTM / HTML
DOI	10.12772/TSE.2017.54.008
Volume Number	54
Alternate Webpage(s)	http://nas1fiber.superscholar.kr/jkfs/54(1)-02.pdf
Alternate Webpage(s)	https://doi.org/10.12772/TSE.2017.54.008
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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