Development of a novel food preservation technique using natural antimicrobial agents

Thesis Abstract

Abstract
The food industry faces significant challenges in maintaining the safety and quality of food products throughout the supply chain. Traditional methods of food preservation often involve the use of synthetic chemicals, which can have negative impacts on human health and the environment. In response to these challenges, this study focuses on the development of a novel food preservation technique using natural antimicrobial agents. The primary objective of this research is to investigate the effectiveness of natural antimicrobial agents in inhibiting the growth of spoilage microorganisms and pathogens in various food products. Through a comprehensive literature review, ten key natural antimicrobial agents were identified for their potential application in food preservation. These agents include essential oils, plant extracts, organic acids, antimicrobial peptides, and bacteriocins, among others. The research methodology employed in this study encompasses a series of laboratory experiments to evaluate the antimicrobial activity of the selected agents against a range of foodborne pathogens and spoilage microorganisms. The experiments involve assessing the minimum inhibitory concentration, antimicrobial spectrum, and mode of action of each agent. Furthermore, the compatibility of these natural antimicrobial agents with different food matrices is also evaluated to ensure their feasibility for practical application. The findings of this study reveal promising results regarding the efficacy of natural antimicrobial agents in inhibiting the growth of microorganisms in food products. The antimicrobial activity of these agents is influenced by various factors, including concentration, pH, temperature, and food matrix composition. Moreover, the synergistic effects of combining multiple antimicrobial agents are explored to enhance their effectiveness in food preservation. The discussion of findings delves into the practical implications of using natural antimicrobial agents as an alternative to synthetic chemicals in food preservation. The potential benefits of these agents include improved food safety, extended shelf life, reduced microbial contamination, and enhanced consumer acceptance of natural preservatives. However, challenges such as regulatory approval, cost-effectiveness, and sensory impact need to be addressed for successful implementation in the food industry. In conclusion, the development of a novel food preservation technique using natural antimicrobial agents represents a promising avenue for improving the safety and quality of food products. By harnessing the antimicrobial properties of natural compounds, this research contributes to sustainable practices in the food industry while meeting the growing consumer demand for clean label products. Future research directions may focus on optimizing the formulation and application of natural antimicrobial agents to address specific food preservation challenges and enhance their commercial viability.