Chemistry is an experimental science, Application In Synthesis of (R)-2-((tert-Butoxycarbonyl)amino)-3-methoxypropanoic acid, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 86123-95-7, Name is (R)-2-((tert-Butoxycarbonyl)amino)-3-methoxypropanoic acid, molecular formula is C9H17NO5, belongs to amides-buliding-blocks compound. In a document, author is Zhang, Wenda.
Intermolecular interaction in the hybrid gel of scallop (Patinopecten yessoensis) male gonad hydrolysates and kappa-carrageenan
Various bond disrupting agents including NaCl, GuHCl, urea, and SDS were introduced to investigate the intermolecular interactions between scallop (Patinopecten yessoensis) male gonad hydrolysates (SMGHs) and kappa-carrageenan (kappa-C), which were monitored by changes in rheological property, water distribution, conformation characterization and microstructure by using rheometer, low field-NMR relaxometry, Fourier transform infrared (FTIR) spectroscopy, cryo-scanning electron microscopy (cryo-SEM), and confocal laser scanning microscopy. The results showed that the bond disrupting agents deteriorated the rheological property of SMGHs/kappa-C in a dose-dependent manner. Indeed, at the same concentration of 2 M, NaCl deteriorated the SMGHs/kappa-C more obviously than GuHCl and urea. In addition, SMGHs/kappa-C with bond disrupting agents possessed higher relaxation times including T-21 and T-23, indicating the migration to free water direction of bound and free water. Moreover, the FITR results showed the red-shift in water regions (amide A and B bands), amide I and II bands, and indicated the breakdown of hydrogen bonds and electrostatic interactions, indicating a disordered structure in SMGHs/kappa-C by various bond disrupting agents. Furthermore, cryo-SEM results showed the change of SMGHs/kappa-C from a homogeneous network to a looser and ruptured one with larger void spaces, and indicated the disrupted and tattered microstructure of SMGHs/kappa-C by various bond disrupting agents. Additionally, SMGHs/kappa-C as well showed less aggregates stained by RITC by bond disrupting agents. These results suggest that electrostatic interactions would be mainly involved in the maintenance of SMGHs/kappa-C gel network. This study could provide theoretical and methodological basis for hydrogel products with modified gel strength and microstructure by understanding the intermolecular interactions in gel system. Practical Application Scallop (Patinopecten yessoensis) male gonads as a high-protein part of scallop, is usually discarded during processing despite its edibility. In recent years, scallop male gonads are regarded as good sources to develop protein matrices due to their high protein content and numerous nutrients. In this study, scallop male gonad hydrolysates (SMGHs) were obtained by trypsin-treated process. The considerable gelation behavior of SMGHs indicated that the SMGHs could be potentially utilized as a novel thickener and additive in production of kamaboko gels, can, sausage and spread with marine flavor.
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