Impacto de la adición de L-cisteína en la masa de maíz nixtamalizado: proteínas y viscoelasticidad

The effect of L-cysteine on the solubility, protein structure, rheological and textural characteristics of corn masas were investigated.  Masa was prepared with L-cysteine at two levels (0.25, 0.50 %). Size exclusion chromatography and Fourier transform infrared spectroscopy were utilized...

وصف كامل

محفوظ في:
التفاصيل البيبلوغرافية
المؤلفون الرئيسيون: Chaidez-Laguna, Leslie Denisse, Torres Chavez, Patricia Isabel, Ramírez-Wong, Benjamín, Márquez-Rios, Enrique, Islas-Rubio, Alma Rosa, Carvajal-Millán, Elizabeth, Juárez-Onofre, Josué Elías
التنسيق: Online
اللغة:eng
منشور في: Universidad de Sonora 2022
الوصول للمادة أونلاين:https://biotecnia.unison.mx/index.php/biotecnia/article/view/1564
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الوصف
الملخص:The effect of L-cysteine on the solubility, protein structure, rheological and textural characteristics of corn masas were investigated.  Masa was prepared with L-cysteine at two levels (0.25, 0.50 %). Size exclusion chromatography and Fourier transform infrared spectroscopy were utilized for protein characterization. Dynamic rheology and textural profile analysis were carried out on masas. There was a significant difference in relative solubility between the control and masas containing L-cysteine.  Treatments with L-cysteine increased the relative solubility of proteins. Determination of FT-IR revealed that addition of L-cysteine did not affects secondary structure of protein.  Data also showed significant differences in textural properties. Masas con L-cysteine improved the springiness, adhesiveness and cohesiveness.  This investigation  reveal that L-cysteine, may improve the elasticity or storage moduli, important characteristics of masas.