TANNIN TREATMENT OF SHEEP WOOL

Hana Krizova; Jakub Wiener

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TANNIN TREATMENT OF SHEEP WOOL

机译：单宁处理羊绒

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The aim of this study was to test the possibility of treating raw sheep wool with tannic acid. This treatment improves the odor of sweat wool and gives the wool antibacterial properties. The tests also suggest the possibility of anti-felt treatment. To achieve these aims, tannic acid was used as strong antioxidant. The sensory evaluation of raw wet sheep wool smell before and after tannin treatment was provided by a group of 30 assessors. This subjective assessment was supplemented by an indicative measurement of volatiles using gas chromatography. Antibacterial properties of tannic acid were evaluated by the method when eluates of treated and untreated wool were cultivated on the agar medium. The antibacterial effect of tannin has been manifested in growth of different number of bacterial colonies. Finally, electron microscope images showing some damage to wool fiber surface indicated the possibility of anti-felt treatment by using tannic acid. All results suggest that tannic acid could be an effective and ecological means of raw sheep wool treatment for use in the building or automotive industry.

机译：这项研究的目的是测试用鞣酸处理生绵羊毛的可能性。这种处理改善了汗液羊毛的气味，并赋予了羊毛抗菌性能。这些测试还暗示了抗毛毡治疗的可能性。为了实现这些目的，单宁酸被用作强抗氧化剂。由30名评估者提供的鞣质处理前后的原始湿羊羊毛气味的感官评估。通过使用气相色谱法对挥发物进行指示性测量，可以补充这种主观评估。当在琼脂培养基上培养处理过的和未处理的羊毛的洗脱液时，通过该方法评估了鞣酸的抗菌性能。单宁的抗菌作用已在不同数量的细菌菌落的生长中得到体现。最后，电子显微镜图像显示羊毛纤维表面有些损坏，表明使用单宁酸进行抗毛毡处理的可能性。所有结果表明，单宁酸可能是用于建筑或汽车工业的原羊毛处理的一种有效的生态手段。

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《Vlakna a Textil》 |2019年第2期|25-32|共8页
作者
Hana Krizova; Jakub Wiener;
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Technical University of Liberec Institute for Nanomaterials Advanced Technologies and Innovation Department of the Preparation and Analysis of Nanostructures Bendlova 1409/7 Liberec Czech Republic;

Technical University of Liberec Faculty of Textile Engineering Department of Material Engineering Studentska 2 Liberec Czech Republic;

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TANNIN TREATMENT OF SHEEP WOOL

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