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⵵/ȣ 2008 / ȣ: V.20,no.2,Apr
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2(Ÿ) Functional Dyeing and Finishing using Catechins Extracted from Green Tea() - Extraction Optimization, Stability, and Content Analysis of Catechins -
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(Ÿ) Taekyeong Kim, Songi Son, Jongsuc Jung1, Kyungjin Jang, Ohkyung Kwon2,Younghee Choi2 and Young-Han Jeong3
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Ҽ(Ÿ) Kyungpook National University,1Kyungpook National University,2Shinpung Textile Co. Ltd.,3Kolon Indus
/ 75 ~ 82 : 8
() Korean
ʷ 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 in water and 60 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.
Ű green tea, catechins, extraction, dyeing, finishing
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Reference http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2008_v20n2_75

                                                                            
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