inhibition mechanism

抑制机制
  • 文章类型: Journal Article
    这篇全面的综述侧重于杂环芳香胺(HAAs),一类通常在富含蛋白质的食物的烹饪或加工过程中形成的化学物质。国际癌症研究机构(IARC)已将某些HAAs归类为可能的人类致癌物,强调在食品安全研究中研究它们的形成和控制的重要性。本综述的主要目的是解决有关HAAs形成的知识空白,并提出在热处理过程中减少其潜在毒性的方法。通过总结HAAs形成和抑制的机制,该审查包括常规和最新的检测方法。此外,它探讨了通过各种烹饪技术制备的热加工肉类中HAAs的分布,并检查了它们的相对毒性。此外,考虑到美拉德的反应,负责HAAs的形成,也有助于熟肉制品的独特风味和香气,这篇综述研究了抑制HAAs形成对风味物质的潜在影响。对这些复杂相互作用的透彻了解为开发有针对性的干预措施提供了基础,以最大程度地减少食品加工过程中HAAs和其他有害化合物的形成。
    This comprehensive review focuses on heterocyclic aromatic amines (HAAs), a class of chemicals that commonly form during the cooking or processing of protein-rich foods. The International Agency for Research on Cancer (IARC) has categorized certain HAAs as probable human carcinogens, highlighting the significance of studying their formation and control in food safety research. The main objective of this review is to address the knowledge gaps regarding HAAs formation and propose approaches to reduce their potential toxicity during thermal processing. By summarizing the mechanisms involved in HAAs formation and inhibition, the review encompasses both conventional and recent detection methods. Furthermore, it explores the distribution of HAAs in thermally processed meats prepared through various cooking techniques and examines their relative toxicity. Additionally, considering that the Maillard reaction, responsible for HAAs formation, also contributes to the unique flavors and aromas of cooked meat products, this review investigates the potential effects of inhibiting HAAs formation on flavor substances. A thorough understanding of these complex interactions provides a foundation for developing targeted interventions to minimize the formation of HAAs and other harmful compounds during food processing.
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  • 文章类型: Journal Article
    油炸是最常见的食物制备方法之一。然而,它可能导致潜在危险物质的形成,如丙烯酰胺,杂环胺,反式脂肪酸,糖基化终产物,羟甲基糠醛和多环芳烃,并不利地改变食物的理想感官属性,从而降低了油炸食品的安全性和质量。目前,有毒物质的形成通常通过原料的预处理来减少,优化工艺参数,以及涂料的使用。然而,这些策略中的许多策略在抑制这些不期望的反应产物的形成方面不是高度有效的。植物提取物可用于此目的,因为它们丰富,安全,和有益的功能属性。在这篇文章中,我们专注于使用植物提取物抑制有害物质形成的潜力,从而提高油炸食品的安全性。此外,我们还总结了植物提取物的作用,抑制有害物质的产生,在食物感官方面(风味,颜色,纹理,和味道)。最后,我们强调需要进一步研究的领域。
    Frying is one of the most common methods of preparing foods. However, it may lead to the formation of potentially hazardous substances, such as acrylamide, heterocyclic amines, trans fatty acids, advanced glycation end products, hydroxymethyl furfural and polycyclic aromatic hydrocarbons, and adversely alter the desirable sensory attributes of foods, thereby reducing the safety and quality of fried foods. Currently, the formation of toxic substances is usually reduced by pretreatment of the raw materials, optimization of process parameters, and the use of coatings. However, many of these strategies are not highly effective at inhibiting the formation of these undesirable reaction products. Plant extracts can be used for this purpose because of their abundance, safety, and beneficial functional attributes. In this article, we focus on the potential of using plant extracts to inhibit the formation of hazardous substances, so as to improve the safety of fried food. In addition, we also summarized the effects of plant extracts, which inhibit the production of hazardous substances, on food sensory aspects (flavor, color, texture, and taste). Finally, we highlight areas where further research is required.
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  • 文章类型: Journal Article
    腐蚀是破坏材料的过程,和金属材料的腐蚀经常导致严重的后果。添加缓蚀剂是防止金属腐蚀的最有效手段。直到现在,研究人员在高效绿色缓蚀剂的研究方面做出了不懈的努力,生物质缓蚀剂中一类环境友好型缓蚀剂的研究目前相当有前景。本文详细介绍了绿色生物质缓蚀剂的分类,包括基于植物的腐蚀抑制剂,氨基酸缓蚀剂,和生物表面活性剂腐蚀抑制剂,基于易于制备的优点,环境友好,腐蚀抑制效率高,生物质缓蚀剂应用范围广泛。本文还介绍了生物质缓蚀剂的制备方法,包括水解,酶消化,加热回流法,和微波提取。此外,绿色生物质缓蚀剂的缓蚀机理,包括物理吸附,化学吸附,和成膜吸附,并明确描述了生物质缓蚀剂的评价方法。这项研究为绿色缓蚀剂的开发提供了有价值的见解。
    Corrosion is the process of damaging materials, and corrosion of metallic materials frequently results in serious consequences. The addition of corrosion inhibitors is the most effective means of preventing metal corrosion. Until now, researchers have made unremitting efforts in the research of high-efficiency green corrosion inhibitors, and research on biomass corrosion inhibitors in a class of environmentally friendly corrosion inhibitors is currently quite promising. This work presents the classification of green biomass corrosion inhibitors in detail, including plant-based corrosion inhibitors, amino acid corrosion inhibitors, and biosurfactant corrosion inhibitors, based on the advantages of easy preparation, environmental friendliness, high corrosion inhibition efficiency, and a wide application range of biomass corrosion inhibitors. This work also introduces the preparation methods of biomass corrosion inhibitors, including hydrolysis, enzymatic digestion, the heating reflux method, and microwave extraction. In addition, the corrosion inhibition mechanisms of green biomass corrosion inhibitors, including physical adsorption, chemisorption, and film-forming adsorption, and evaluation methods of biomass corrosion inhibitors are also explicitly described. This study provides valuable insights into the development of green corrosion inhibitors.
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  • 文章类型: Journal Article
    Harmful algal blooms (HABs) have several negative impacts on aquatic ecosystem, and even harm to humans. Utilization of allelochemicals to inhibit microalgal overgrowth is an environment-friendly approach for controlling HABs. This paper demonstrated the development of allelochemicals with algicidal effects, including the development history of allelopathy, the application methods, the reported allelopathic plants and their derived allelochemicals. Allelopathy is a promising strategy to control HABs as the effectiveness of allelochemicals on inhibiting microalgae cells has been discovered and confirmed for many years. The proposed allelopathic mechanisms and species-selective properties were expounded as well. Moreover, this paper further proposed suggestions for the further research and development of allelopathy strategy for HABs control.
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  • 文章类型: Journal Article
    After decades of efforts, tuberculosis has been well controlled in most places. The existing drugs are no longer sufficient for the treatment of drug-resistant Mycobacterium tuberculosis due to significant toxicity and selective pressure, especially for XDR-TB. In order to accelerate the development of high-efficiency, low-toxic antituberculosis drugs, it is particularly important to use Computer Aided Drug Design (CADD) for rational drug design. Here, we systematically reviewed the specific role of molecular simulation in the discovery of new antituberculosis drugs. The purpose of this review is to overview current applications of molecular simulation methods in the discovery of antituberculosis drugs. Furthermore, the unique advantages of molecular simulation was discussed in revealing the mechanism of drug resistance. The comprehensive use of different molecular simulation methods will help reveal the mechanism of drug resistance and improve the efficiency of rational drug design. With the help of molecular simulation methods such as QM/MM method, the mechanisms of biochemical reactions catalyzed by enzymes at atomic level in Mycobacterium tuberculosis has been deeply analyzed. QSAR and virtual screening both accelerate the development of highefficiency, low-toxic potential antituberculosis drugs. Improving the accuracy of existing algorithms and developing more efficient new methods for CADD will always be a hot topic in the future. It is of great value to utilize molecular dynamics simulation to investigate complex systems that cannot be studied in experiments, especially for drug resistance of Mycobacterium tuberculosis.
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