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相关概念视频

Factors Affecting Protein-Drug Binding: Drug Interactions01:23

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Drug interactions are a critical aspect of pharmacology and can occur when two or more drugs compete for the same binding site. This competition can result in one drug displacing another, altering the effect of the displaced drug. Drug interactions are complex processes that rely heavily on how much of the displacer drug is present and how strongly it can bind to the same sites as the displaced drug.
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Solid dosage forms such as tablets and capsules undergo rigorous manufacturing processes to ensure stability and effectiveness. Their dissolution and absorption properties are influenced significantly by the choice of excipients (inactive ingredients that serve various roles in the formulation), and the methodology applied during production. The manufacturing parameters, such as compression force and granulation techniques, significantly affect dissolution rates. Elevated compression forces...
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Multiple disease states can significantly influence the oral drug absorption process by affecting blood flow and the functionality of the gastrointestinal (GI) system. Various GI diseases, including conditions that alter GI motility, such as diarrhea, decreased acid secretions (achlorhydria), and infections, have been associated with reduced drug absorption.
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Orally administered drugs primarily enter the systemic circulation via passive diffusion through the intestinal membranes. The drug's absorption is influenced by drug stability in the gastrointestinal GI tract, membrane permeability, the surface area available for absorption, luminal drug concentration, and residence time in the lumen. Drug permeability can be enhanced by adjusting the lipophilicity, polarity, or molecular size of the drug, promoting its passive transport across intestinal...
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Updated: Jun 27, 2025

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选择食品加工和药物之间的可能相互作用.

Giuseppe Poli1, Ettore Bologna2, I Sam Saguy3

  • 1Department of Clinical and Biological Sciences, San Luigi Hospital, University of Turin, Turin, Italy.

Frontiers in nutrition
|April 29, 2024
PubMed
概括
此摘要是机器生成的。

食品加工方法对药物的吸收和新陈代谢产生重大影响,影响药物的疗效和患者的健康. 了解这些相互作用对于安全有效的临床管理至关重要.

关键词:
细胞染色体P450的使用.药物的生物可用性.食品加工 食品加工 食品加工食物与药物的相互作用膜传送器 膜传送器非热加工的非热加工热处理处理 热处理

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科学领域:

  • 药理学和食品科学 药理学和食品科学
  • 药物代谢和药理动力学
  • 营养生物化学 营养生物化学

背景情况:

  • 食品加工显著影响药物吸收,新陈代谢和药物活性,但这种相互作用研究不足.
  • 忽视食品加工药物相互作用可能会危及患者管理和治疗结果.
  • 特定的食品加工技术,而不仅仅是食品类型或时间,极大地影响药物的药理动力学.

研究的目的:

  • 调查热和非热食品加工方法与药物药理动学的干扰.
  • 探索热处理过程中产生的化合物对药物代谢的潜在不良影响.
  • 评估新型非热处理技术对药物的生物可用性的影响.

主要方法:

  • 分析选定的热食品加工技术 (例如,油炸,烤).
  • 研究非热加工方法 (例如高压加工,脉冲电场,等离子技术).
  • 评估制药动力学变化和加工副产品的潜在不良影响.

主要成果:

  • 热处理可以降低药物的吸收,并产生肠毒性化合物,如烯胺,化物,氧醇和氧醇.
  • 这些化合物可能会产生促炎作用,并干扰药物代谢,特别适用于草药.
  • 非热加工为食品质量和生物可用性提供了潜在的好处,但需要对活性化合物吸收保持谨慎.

结论:

  • 食品加工方法对药物相互作用有着深刻的,往往被忽视的影响,造成潜在的健康风险.
  • 对食品加工与药物相互作用背后的机制进行进一步研究是必不可少的.
  • 跨学科的合作对于解决食品成分,加工和制药剂相互作用的复杂性至关重要.