review · Natural Product Communications
Essential oils are complex plant-derived mixtures of volatile compounds, dominated by terpenoids and phenolics. Their multi-targeted mechanisms of action, such as disrupting microbial cell membranes, inhibiting spore germination, and modulating inflammatory responses, enable a wide range of biological activities. These include antibacterial, antifungal, antiviral, anticancer, and anti-inflammatory effects. Due to these mechanisms, essential oils offer potential alternatives to standard antimicrobial treatments, which is especially relevant for tackling antimicrobial resistance. Furthermore, their antimicrobial and antioxidant actions support food preservation by preventing spoilage and lengthening product shelf life. In agricultural settings, they can serve as sustainable tools for managing pests and regulating plant growth. Realising these diverse benefits requires addressing issues related to chemical variability and securing proper clinical validation.
Rising antimicrobial resistance and consumer demand for sustainable products require new, natural alternatives to synthetic chemicals. Essential oils offer versatile biological activities that can combat resistant pathogens, protect crops from pests, and preserve food products safely. Understanding their properties helps guide the development of eco-friendly solutions across medicine, farming, and food manufacturing.
Potential applications span healthcare therapies, natural food preservatives, and agricultural pest control or plant growth agents. Target users include pharmaceutical developers, food packaging companies, and agrochemical manufacturers. Because the review highlights persistent challenges regarding chemical variability and a lack of clinical validation, these applications remain at an early to intermediate stage of research and development.
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Essential oils (EOs) are complex mixtures of volatile compounds, primarily terpenoids and phenolic constituents, derived from plants. They have been widely studied for their diverse biological activities, including antibacterial, antifungal, antiviral, anticancer, and anti-inflammatory effects, among others. These bioactivities are attributed to the unique chemical composition of EOs, which enables multi-targeted modes of action such as disruption of microbial cell membranes, inhibition of spore germination, and modulation of inflammatory pathways. Their potential as alternatives to conventional antimicrobial therapies has gained attention, particularly in addressing antimicrobial resistance. Additionally, EOs exhibit significant antioxidant and antimicrobial properties, contributing to food preservation by preventing spoilage and extending shelf life. In agriculture, their roles in pest management and plant growth regulation highlight their sustainable applications. In conclusion, EOs present a promising avenue for sustainable applications in healthcare, food preservation, and agriculture, though further research is necessary to overcome challenges related to their variability and clinical validation.
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DOI: 10.1177/1934578x241311790
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