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1.
Spectrochim Acta A Mol Biomol Spectrosc ; 320: 124549, 2024 Nov 05.
Artigo em Inglês | MEDLINE | ID: mdl-38870694

RESUMO

Ferulic acid ethyl ester (FAEE) is an essential raw material for the formulation of drugs for cardiovascular and cerebrovascular diseases and leukopenia. It is also used as a fixed aroma agent for food production due to its high pharmacological activity. In this study, the interaction of FAEE with Human serum albumin (HSA) and Lysozyme (LZM) was characterized by multi-spectrum and molecular dynamics simulations at four different temperatures. Additionally, the quenching mechanism of FAEE-HSA and FAEE-LZM were explored. Meanwhile, the binding constants, binding sites, thermodynamic parameters, molecular dynamics, molecular docking binding energy, and the influence of metal ions in the system were evaluated. The results of Synchronous fluorescence spectroscopy, UV-vis spectroscopy, CD, three-dimensional fluorescence spectrum, and resonance light scattering showed that the microenvironment of HSA and LZM and the protein conformation changed in the presence of FAEE. Furthermore, the effects of some common metal ions on the binding constants of FAEE-HSA and FAEE-LZM were investigated. Overall, the experimental results provide a theoretical basis for promoting the application of FAEE in the cosmetics, food, and pharmaceutical industries and significant guidance for food safety, drug design, and development.


Assuntos
Ácidos Cumáricos , Simulação de Acoplamento Molecular , Muramidase , Ligação Proteica , Albumina Sérica Humana , Espectrometria de Fluorescência , Humanos , Muramidase/química , Muramidase/metabolismo , Ácidos Cumáricos/química , Ácidos Cumáricos/metabolismo , Albumina Sérica Humana/metabolismo , Albumina Sérica Humana/química , Simulação de Dinâmica Molecular , Termodinâmica , Sítios de Ligação , Dicroísmo Circular , Espectrofotometria Ultravioleta , Ácidos Cafeicos
2.
Food Sci Nutr ; 8(10): 5206-5214, 2020 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-33133524

RESUMO

Food is the foundation of human survival. With the development and progress of society, people increasingly focus on the problems of food quality and safety, which is closely related to human's health. Thus, the whole industrial chain from farmland to dining table need to be strictly controlled. Traditional detection methods are time-consuming, laborious, and destructive. In recent years, hyperspectral technology has been more and more applied to food safety and quality detection, because the technology can achieve rapid and nondestructive detection of food, and the requirement to experimental condition is low; operability is strong. In this paper, hyperspectral imaging technology was briefly introduced, and its application in agricultural products and food detection in recent years was systematically summarized, and the key points in the research process were deeply discussed. This work lays a solid foundation for the peers to the following in-depth research and application of this technology.

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