用银酸丰富的纳米乳液:为广泛的抗微生物药物提供绿色战略
Qihui Dong1, Rong Wu1, Jun Cao1
1Co-innovation Center for the Sustainable Forestry in Southern China, National Key Laboratory for the Development and Utilization of Forest Food Resources, Nanjing Forestry University, Nanjing 210037, China; Department of Food Science and Engineering, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
Food chemistry
|September 17, 2025
概括
银酸 (GA) 纳米乳液克服了溶解性差,增强了抗菌素的传递. 这些新型配方对食源性细菌和植物病原菌具有卓越的疗效.
科学领域:
- 自然产品 化学 化学
- 材料科学 材料科学 材料科学
- 食品科学 食品科学 食品科学
背景情况:
- 银酸 (GA) 具有强大的抗微生物特性,但其水溶性较差,限制了其实际应用.
- 疏水性深层浸泡溶剂 (HDESs) 已成为增强疏水性化合物的生物可用性的有希望的载体.
- 之前的研究已经确定了用于高效的GA提取的HDES,为先进的输送系统铺平了道路.
研究的目的:
- 开发和优化HDES-in-water纳米乳液 (HDESNEs),以改善果酸的输送.
- 评估HDESNEs对食源细菌和植物病原菌的抗菌疗效.
- 建立一个绿色和高效的配方策略,用于增强GA抗菌应用.
主要方法:
- 使用直角设计和响应表面方法的配方优化.
- 关于液滴大小,多分散度指数和封装效率的HDESNE的表征.
- 抗菌试验比较HDESNEs与传统GA乳液对特定病原体的抗菌试验.
主要成果:
- 优化的HDESNEs表现出均的液滴大小 (<20 nm) 和高封装效率 (>99%).
- 与传统GA乳液相比,HDESNEs显著增强了抗菌活性.
- 观察到对大肠杆菌,金黄色葡萄球菌和四种植物病原菌的有效抑制.
结论:
- 基于HDES的纳米乳液是一种有效的策略,可以改善银杏酸的输送和生物可用性.
- 开发的HDESNEs显示出在食品保存和农业保护中抗菌应用的巨大潜力.
- 本研究提出了天然抗菌素的可持续和高效配方方法.
相关概念视频
Bioavailability Enhancement: Drug Stability Enhancement and GI Retention
200
Body:Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
200
Antimicrobial Effectiveness
908
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
908
Bioavailability Enhancement: Drug Solubility Enhancement
223
Body:Bioavailability is a critical factor in determining a drug's effectiveness. It refers to the proportion of a drug that enters the circulation when introduced into the body and is, as a result, able to have an active effect. Enhancing bioavailability is essential for drugs with poor solubility, as it can significantly impact their therapeutic efficacy. Various methods are employed to increase the solubility of drugs, thereby enhancing their bioavailability.Micronization and nanonization are...
223
Bioavailability Enhancement: Drug Permeability Enhancement
188
Body:After oral administration, poor permeability often limits the rate at which drugs are absorbed through the intestinal epithelium. Enhancing drug permeability is crucial for effective therapy, and several strategies have been developed to overcome this challenge.One effective strategy involves the use of lipid-based formulations. These formulations enhance dissolution and solubility, targeting physiological mechanisms to increase drug absorption. This includes stimulating bile salt...
188
Chemical Agents for Microbial Control
763
Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
763
Drug Delivery: Enteral Route
1.6K
The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
1.6K


