Using proteomics to compare the molecular structures of sulfide and permeate-depilated sheepskins

Journal of Leather Science and Engineering Pub Date : 2024-02-01 DOI:10.1186/s42825-023-00147-1

Yi-Hsuan Tu, Trevor S. Loo, Mark L. Patchett, Gillian E. Norris

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Abstract

An environmentally friendly method using real or artificial bovine milk permeate to both depilate and preserve sheepskins has been reported which completely and cleanly removed the wool from the hair follicle and had no detrimental effects on the skin. A proteomic analysis, assessing the relative abundance of proteins in matched permeate-depilated and chemically depilated (sulfide) sheepskins, showed variations in the levels of specific collagen types in the skin's basement membrane and other proteins associated with the follicles. These findings were corroborated by biochemical analyses of matched permeate depilated and raw skin samples, and provide clues to the mechanism of non-invasive and complete depilation. They also support the observation that permeate-depilated skins were smoother than their sulfide-depilated counterparts and resulted in leather with a superior surface.

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利用蛋白质组学比较硫化羊皮和渗透脱水羊皮的分子结构

据报道，有一种使用真正或人造牛乳渗透物来脱毛和保存羊皮的环保方法，能彻底干净地去除毛囊中的羊毛，对皮肤没有任何有害影响。蛋白质组分析评估了匹配的渗透脱毛绵羊皮和化学脱毛（硫化）绵羊皮中蛋白质的相对丰度，结果显示皮肤基底膜中特定胶原蛋白类型以及与毛囊相关的其他蛋白质的含量存在差异。对匹配的渗透脱毛和未脱毛皮肤样本进行的生化分析证实了这些发现，并为非侵入性彻底脱毛的机制提供了线索。这些研究结果还支持这样一种观点，即经过渗透脱毛的皮肤比经过硫化物脱毛的皮肤更光滑，而且皮革表面更光洁。

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来源期刊

Journal of Leather Science and Engineering 工程技术-材料科学：综合

CiteScore

12.80

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0.00%

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