Thermosonication: An alternative processing for fruit and vegetable juices

Background: Alternative methods of pasteurization have gained relevance in the food industry. Nowadays there are new technologies that offer options for food processing to ensure the stability and quality of products. Particularly in processed fruit and vegetable juices, consumers search for additive-free and minimally processed products. Scope and approach: Thermosonication (TS) is a novel and viable technique that is employed to replace the conventional thermal processing. It can increase the microbial and enzymatic inactivation rates, extend product shelf life and reduce the impact on the nutritional content and overall quality of fruit and vegetable juices. This article reviews the advantages and limitations offered by the application of TS on fruit and vegetable juices. Additionally, its effects on bioactive compounds, physicochemical, microbiological, enzymatic and sensory parameters in fruit and vegetable juices are also discussed. Key findings and conclusions: Scientific evidence shows that TS is a viable technology for processing of fruit and vegetable juices that preserve the quality of fruit and vegetable juices, compared with conventional thermal processing (60 degrees C for 30 min). An additive effect between ultrasound and heat has the potential to ensure product stability and also is effective for inactivation of enzymes present in juices. This technology represents a rapid, efficient and reliable alternative to retain the quality and extend the shelf life of fruit and vegetable juices. (C) 2017 Elsevier Ltd. All rights reserved.