The aim of this study was to extract mucilage from O. cochenillifera (L.) cacti and determine its functional and physicochemical properties. The best mucilage yield (31%) was obtained by nonthermal extraction with hydration. The mucilage has appreciable carbohydrate and protein contents. The phytochemical analysis shown the presence of alkaloids and terpenes/steroids. The Fourier transformed infrared (FT-IR) spectrum of the mucilage exhibits typical bands for carbohydrates as O–H, C–H, and –COO−. The mucilage demonstrated water- and oil-holding capacities of 2.78 g water/g dry mucilage and 1.80 g oil/g dry mucilage, respectively, these properties can have a positive effect on the texture of the products when used as a stabilizer. The mildly acidic pH (4.8–5) contributes to its emulsifying capacity. The presence of electrolytes in the mucilage can be of great value in flocculation processes. The mucilage forms low viscosity solutions in the same manner as gum Arabic. Finally, its potential for use as a textile dye remover was evaluated, achieving a 70% removal rate from aqueous solutions. The prepared mucilage exhibits properties that recommend it as a natural material that can be used as an additive in the chemical, food, pharmaceuticals and cosmetics industries, as well as in decontamination processes.
El desarrollo del turismo residencial en Puerto Vallarta centro ha tenido una gran transformación en diferentes etapas históricas, así como la generación de ciertos impactos que forman parte de una transición social. Por lo tanto, el propósito de la presente investigación es describir la transición social e identificar los impactos socioeconómicos y ambientales del turismo residencial que ha presentado esta ciudad, facilitando los estudios futuros para su posible regulación. Asimismo, se optó por una metodología cualitativa, con método etnográfico de alcance exploratorio – documental. Los resultados arrojan que el turismo residencial se desarrolló en tres etapas, causó impactos positivos y negativos y la reciente pandemia Covid – 19, afectó su dinámica. Se llegó a la conclusión de que el turismo residencial en la zona centro de Puerto Vallarta tuvo cambios significativos en la población en diversos aspectos desde sus inicios hasta la actualidad, por lo cual sería necesario crear un plan para su regulación en el futuro.
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