Food production and processing in developing countries generate high levels of waste and byproducts, causing a negative environmental impact and significant expenses. However, these biomaterials have ample potential for generating food additives which in turn will minimize malnutrition and hunger in the developing countries where it is produced. Many of these biomaterials are a source of valuable compounds such as proteins, lipids, starch, micronutrients, bioactive compounds, and dietary fibers. Additionally, antinutritional factors present in some byproducts can be minimized through biotechnological processes for use as a food additive or in the formulation of balanced foods. In this context, the use of these biomaterials is a challenge and provides great opportunity to improve food security. The purpose of this review is to project the potential of food waste and byproducts as a sustainable alternative to reduce malnutrition and hunger in developing countries.

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Essential oils are volatile substances of an oily nature present in all plants. They are industrially used as high-value substances for their biological properties in the elaboration of various products in multiple such as pharmaceuticals, food, cosmetics, etc.Today it is known that essential oils have a composite composition and are mainly made up of hydrocarbons and oxygenated compounds, being the trace components contained in these substances, those responsible for providing the odor they possess. Commonly, essential oils are extracted through so-called conventional, where high temperatures and solvents dominate the processes. However, nowadays, multiple emerging techniques have been used to carry out its extraction to achieve better yields, preserve the integrity of the components and reduce the environmental impact that conventional extraction systems imply. This paper addresses a review of conventional systems and emerging technologies that are currently used for the extraction of essential oils.

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Plants traditionally used for their antiviral activity could be an alternative against SARS-CoV-2. In this study, the efficacy of 10 bioactive plant compounds commonly used in Mexico against COVID-19 was evaluated by molecular docking with two online servers: COVID-19 Docking Server and DockThor. Remdesivir was used as a control. The results showed that Cypellocarpin B, Cypellocarpin C, Luteolin 7-glucoside and Syringetin glucopyranoside showed the highest affinity towards viral proteins Mpro and RdRp respect to Remdesivir. Comparison of molecular docking servers showed differences in the docking motors and proteins available on each server. The use of bioactive compounds represents an alternative for the treatment of patients with COVID-19.