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首页> 外文期刊>Fibers and Polymers >Limoniastrum monopetalum Stems as a New Source of Natural Colorant for Dyeing Wool Fabrics
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Limoniastrum monopetalum Stems as a New Source of Natural Colorant for Dyeing Wool Fabrics

机译：Limoniastrum monopetalum茎作为天然染料染色羊毛织物的新来源

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摘要

In the present study, an attempt has been made to dye the wool fabric with Limoniastrum monopetalum stems, as a source of natural dye, which has not been exploited so far. Optimization of extraction parameters was done. Optimum results of extraction process were obtained with a dye concentration of 60 g/l, a temperature of 90 degrees C during 100 min. The study of different factors effecting dyeability of wool fabrics by aqueous L. monopetalum stems extract showed that the pH of dye bath and dyeing temperature and time affected considerably the color yield. The best results were obtained at the following conditions; pH 2, 100 degrees C, and 60 min. Metal mordants, when used in conjunction with L. monopetalum dye, allowed to obtain various shades. The determination of phenolic contents of aqueous L. monopetalum stems extract showed a high amount of phenolic components. Based on RP-HPLC, the coloring extract of L. monopetalum stems contains tannins and polyphenols. The major identified phenolic compounds were procatechuic, Trans-cinnamic and gallic acids. Hence, aqueous L. monopetalum stems extract could be successfully exploited for dyeing wool fabrics with high color yield (K/S).
机译：在本研究中，已经尝试用柠檬瓣金缕梅茎作为天然染料的来源对羊毛织物进行染色，到目前为止尚未开发。优化了提取参数。在100分钟内，染料浓度为60 g / l，温度为90摄氏度时，可获得最佳的萃取过程结果。对影响单瓣荆芥茎提取物对羊毛织物染色性的不同因素的研究表明，染浴的pH值，染色温度和时间对色产量有很大影响。在以下条件下可获得最佳结果; pH 2、100摄氏度和60分钟。当金属媒染剂与莫奈花瓣一起使用时，可以得到各种色调。单瓣紫苏茎提取物中酚含量的测定显示出大量的酚成分。基于RP-HPLC，单瓣紫苏茎的色素提取物中含有单宁和多酚。鉴定出的主要酚类化合物是儿茶酸，反式肉桂酸和没食子酸。因此，单瓣紫苏茎提取物可以成功地用于染色羊毛织物，具有很高的色率（K / S）。

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