Evaluation of various techniques for extraction of natural colorants from pomegranate rind - Ultrasound and enzyme assisted extraction

被引：0
|
作者：
Tiwari, Harish C. [1 ]
Singh, Pratibha [1 ]
Mishra, Pradeep Kumar [1 ]
Srivastava, Pradeep [1 ]
机构：
[1] Banaras Hindu Univ, Inst Technol, Dept Chem Engn & Technol, Varanasi 221005, Uttar Pradesh, India
来源：
INDIAN JOURNAL OF FIBRE & TEXTILE RESEARCH | 2010年 / 35卷 / 03期
关键词：
Cotton; Enzyme assisted extraction; Enzyme-mediated ultrasound assisted extraction; Pomegranate dye; Pomegranate rind; Ultrasound assisted extraction; Wool; IDENTIFICATION; ANTHOCYANINS; FLAVONOIDS; DYE;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
Ultrasound, enzyme and enzyme-mediated ultrasound assisted extraction processes have been used for the extraction of dye from pomegranate rind. Optimum parameters for dye extraction are found to be pH 10, extraction time 40 min and temperature 50 degrees C. The yields for ultrasound, enzyme, enzyme-mediated ultrasound assisted and solvent extraction are found to be 29.2%, 26.5%, 35.6% and 8.8% respectively. The dye obtained has been used for dyeing wool and cotton, keeping the optimum dye bath concentration as 10% and 8% (w/v) respectively. The fastness properties of wool are found to be very good while that of cotton is only satisfactory.
引用
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页码：272 / 276
页数：5
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