Green technologies for sustainable food production and preservation: Ultrasounds
2023
Ferreira-Lazarte, Alvaro | Villamiel, Mar
Overcoming challenges related to food security and sustainability represent one of the major concerns for worldwide governments, industry, science and consumers. A wide range of sustainability challenges is persistent throughout the agri-food supply chain. We cannot continue with the traditional processing methods that contribute to damaging the environment without paying attention to the increase in poverty and lack of foods. There are different ways to reduce environmental footprint such as the application of ecofriendly methods, the reduction of food waste and the use of sustainable ingredients. In this sense, alternatives such as ultrasound (US) present new opportunities. US may be considered as a green technology due to its ecofriendly character, non-toxic behavior and low consumption of energy. In this chapter, we have summarized the benefits of high-intensity US for several applications, paying special attention to its use as a preservation technique and for the acquisition of functional ingredients. It is noteworthy that there is an exhaustive compilation of studies on the usefulness of US as a sustainable technology in the treatment of waste and/or the attainment of biofuels. Although more investigations should be carried out on the scale-up of US for the preservation and processing of foods, there is enough scientific evidence that should encourage us to invest in this sustainable technology.
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