Preparation, characterization, and antimicrobial activity of cinnamon essential oil and cinnamaldehyde nanoemulsions

IF 2.2 3区农林科学 Q3 CHEMISTRY, APPLIED

Journal of Essential Oil Research Pub Date : 2022-08-05 DOI:10.1080/10412905.2022.2107100

Mai M. Badr, Mohamad E. I. Badawy, Nehad E. M. Taktak

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引用次数: 8

Abstract

ABSTRACT Cinnamomum verum essential oil and its main component, cinnamaldehyde, were incorporated into nanoemulsions to improve their stability and activity. Oil-in-water (O/W) nanoemulsions were prepared using the high-energy ultra-sonication method. Cinnamon oil nanoemulsion exhibited a more vigorous DPPH radical scavenging activity (IC50 = 1.81 mg/L) than the standard α-tocopherol (IC50 = 9.16 mg/L). Cinnamaldehyde nanoemulsion exhibited the highest antibacterial action against Salmonella typhimurium and Staphylococcus aureus (MIC = 175 and 150 mg/L, respectively). It was also displayed the highest inhibition against Candida albicans (EC50 = 19.92 mg/L). Cinnamaldehyde nanoemulsion was the most active against mycelial growth of Aspergillus flavus and A. niger (EC50 = 38.20 and 134.80 mg/L, respectively). It also presented the highest activity against spore germination. This study describes antimicrobials and antioxidants based on nanoemulsions made from natural products that can be used to treat microbial infections.

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肉桂精油和肉桂醛纳米乳的制备、表征及抗菌活性研究

摘要将肉桂精油及其主要成分肉桂醛加入到纳米乳液中，以提高纳米乳液的稳定性和活性。采用高能超声法制备了水包油纳米乳。肉桂油纳米乳对DPPH自由基的清除率(IC50 = 1.81 mg/L)高于标准α-生育酚(IC50 = 9.16 mg/L)。肉桂醛纳米乳对鼠伤寒沙门菌和金黄色葡萄球菌的抑菌作用最高(MIC分别为175和150 mg/L)。对白色念珠菌的抑制作用最高(EC50 = 19.92 mg/L)。肉桂醛纳米乳对黄曲霉和黑曲霉菌丝生长的抑制作用最强(EC50分别为38.20和134.80 mg/L)。抗孢子萌发活性最高。这项研究描述了基于天然产物制成的纳米乳液的抗菌剂和抗氧化剂，可用于治疗微生物感染。

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来源期刊

Journal of Essential Oil Research 工程技术-食品科技

CiteScore

6.00

自引率

3.30%

发文量

审稿时长

18-36 weeks

期刊介绍： Journal of Essential Oil Research ( JEOR) is the major forum for the publication of essential oil research and analysis. Each issue includes studies performed on the chemical composition of some of the 20,000 aromatic plants known in the plant kingdom. JEOR is devoted entirely to all phases of research from every corner of the world by the experts in their field. JEOR''s main areas of focus include: -Analytical chemistry- Biological activity- Biotechnology- Chemical composition- Chemical synthesis- Chemosystematics- Microbiological activity- Plant biochemistry/biosynthesis- Toxicology. Published six times per year, JEOR provides articles on the aromatic principles of a plant or its isolates and are directed toward furthering our readers'' knowledge of the aromatic plant and animal kingdoms.