“…For example, nano-encapsulation techniques have been developed for A. vera gels using polyvinylpyrrolidone and poly (vinyl alcohol) and whey protein concentrate, which according to Torres-Giner et al (2017) provide stability to the gel compounds of up to 95%. When the application of A. vera gel is not in the food and cosmetic sectors, neither sophisticated processes are required for its extraction nor is it necessary to control aloin concentrations (Gupta et al, 2020).…”