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首页> 外文期刊>Journal of Applied Polymer Science >Raman spectroscopic analysis of L-phenylalanine and hydrolyzed eggwhite protein penetration into keratin fibers
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Raman spectroscopic analysis of L-phenylalanine and hydrolyzed eggwhite protein penetration into keratin fibers

机译：拉曼光谱分析的L-苯丙氨酸和水解的蛋清蛋白渗透到角蛋白纤维中

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摘要

To investigate the penetration of amino acids and hydrolyzed protein derived from eggwhites (HEWP) into keratin fibers, the structure of cross-sectional samples at various depths of virgin white human hair treated with L-phenylalanine (Phe) and bleached black human hair treated with HEWP was directly analyzed without isolating the cuticle and cortex using Raman spectroscopy. The hydrophobic amino acids clearly penetrated into the virgin white human hair, while hydrophilic amino acids did not penetrate at all. The Phe hydrophobic amino acid content at various depths of the virgin white hair increased by performing the Phe treatment (at 50°C for 16 h), indicating that Phe deeply penetrated into the virgin human hair. Also, the disulfide (-SS-) and random coil contents at various depths of the bleached human hair increased by performing the HEWP treatment, indicating that HEWP also deeply penetrated into the bleached human hair.
机译：为了研究蛋清（HEWP）的氨基酸和水解蛋白在角蛋白纤维中的渗透性，采用L-苯丙氨酸（Phe）处理过的纯净白色人发和经LPS处理过的漂白的黑色人发在不同深度的横截面样品的结构使用拉曼光谱法直接分析了HEWP，而没有分离出表皮和皮质。疏水性氨基酸显然渗透到纯净的白色人发中，而亲水性氨基酸则完全不渗透。通过进行Phe处理（在50°C下保持16 h），原始白发各个深度的Phe疏水氨基酸含量都会增加，这表明Phe深入渗透到原始的人发中。而且，通过进行HEWP处理，在漂白的人发的各个深度处的二硫化物（-SS-）和无规卷曲含量增加，表明HEWP也深深地渗透到漂白的人发中。

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