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http://dx.doi.org/10.5764/TCF.2008.20.2.075

Functional Dyeing and Finishing using Catechins Extracted from Green Tea(I) - Extraction Optimization, Stability, and Content Analysis of Catechins -  

Kim, Tae-Kyeong (Department of Textile System Engineering, Kyungpook National University)
Son, Song-I (Department of Textile System Engineering, Kyungpook National University)
Jung, Jong-Suc (Department of Advanced Organic Materials Science and Engineering, Kyungpook National University)
Jang, Kyung-Jin (Department of Textile System Engineering, Kyungpook National University)
Kwon, Oh-Kyung (Shinpung Textile Co. Ltd.)
Choi, Young-Hee (Shinpung Textile Co. Ltd.)
Jeong, Young-Han (Kolon Central Research Park, Kolon Industries Inc.)
Publication Information
Textile Coloration and Finishing / v.20, no.2, 2008 , pp. 75-82 More about this Journal
Abstract
The optimum extraction conditions of green tea used for a bath were investigated for application to textiles. The stability of the extracts and content of active ingredients were analyzed as well. The extraction was more effective in water and methanol than in ethanol. The optimum extraction temperature was determined as $80^{\circ}C$ in water and $60^{\circ}C$ in methanol. The solid extracts were obtained about 7% in water and 9% in methanol on the weight of dry green tea. The extracts were more stable in acid and neutral conditions than in alkaline region. From the analysis of contents of active ingredients, about 20% of effective catechins was appeared to be contained in the extract solid, which was thought to be available for application to textiles.
Keywords
green tea; catechins; extraction; dyeing; finishing;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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