期刊
TRENDS IN FOOD SCIENCE & TECHNOLOGY
卷 129, 期 -, 页码 421-439出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tifs.2022.10.012
关键词
Essential oils; Bioactive compounds; Food preservation; Smart packaging; Edible packaging; Natural compounds
资金
- CNPq [300983/2022-0]
This review discusses the application of essential oils (EOs) in food preservation and shelf-life augmentation. EOs have antimicrobial properties and can protect the quality of food matrices. Encapsulation and nano-encapsulation techniques can overcome the limitations of EOs in water solubility, volatility, and stability. Smart packaging systems are also proposed to extend the shelf life of food products.
Background: Essential oils (EOs) are plant-derived volatile and aromatic extracts with diverse biological effects like antibacterial, anti-inflammatory, and antioxidant properties. Recently, consumers' perceptions of synthetic preservatives have grown unfavorable, spurring research in EOs and their application in food preservation and packaging of vegetables, dairy products, fruits, meat products, and other food items. However, the main impediments to using EOs as food preservatives include their safety limitations, distinctive organoleptic effects, and possible contamination by chemical substances like pesticides. Scope and approach: This review discusses the recent developments in the application of EOs from plants and spices as antimicrobial agents for food preservation and shelf-life augmentation. We have also highlighted new developments in encapsulating strategies to get beyond some significant intrinsic constraints, such as low water solubility, volatility, bioavailability, and stability in food systems. Lastly, we have also shed light on the recent pioneering in smart packaging systems to prolong the shelf-life of the food product. Key findings and conclusion: EOs have the potential to preserve food matrices from various microbes and maintain the quality of meat, fish, dairy, fruits, and vegetable products. They have also proven to greatly influence cooking and increase the shelf life of food products. The core material of encapsulated and nano-encapsulated EOs promise to ensure their continuous release in response to various triggers and promote better food preservation. Overall, this article provides current knowledge about the EOs in food preservation and identifies research avenues that can facilitate the implementation of EOs as natural preservatives in foods.
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