Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 146374-27-8, Name is 2-Methylpropane-2-sulfinamide, molecular formula is C4H11NOS. In an article, author is Day, Stephen M.,once mentioned of 146374-27-8, Computed Properties of https://www.ambeed.com/products/146374-27-8.html.
Thermal treatment during sea cucumber processing might affect the texture of the final product. In the present study, collagen fibers (CFs) extracted from the body wall of sea cucumber Apostichopus japonicus were used to investigate the effects of heating and oxidative conditions on CFs structure. Hydroxyl radicals (center dot OH) were generated in CFs treated at 37 degrees C and the intensity of the signal was comparable to samples under oxidative conditions at 4 degrees C. Release of protein and glycosaminoglycan was observed in CFs heat-treated at 37 degrees C or under oxidative conditions at 4 degrees C, leading to the conversion of alpha-helixes into beta-sheets, red shift of amide band I, decrease in thermostability, and scattered arrangement of collagen fibrils. The degree of damage in CFs structure is different among groups. In particular, in thermally- and oxidative treated group, macromolecular fragments remarkably degraded over time, 10 kDa proteins were abundantly released, amide bands A and III showed redshift, and maximum denaturation temperature and decomposition temperature were the lowest compared to other groups. The findings discussed herein reveal the structural changes induced by thermal treatment in sea cucumber CFs and provide an explanation of the mechanism from the view of protein oxidation.
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Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics