Bioconversion of Agroindustrial Asparagus Waste into Bacterial Cellulose by Komagataeibacter rhaeticus

Claudio Quiñones-Cerna (), Juan Carlos Rodríguez-Soto, Gabriela Barraza-Jáuregui, Johnny Huanes-Carranza, José Alfredo Cruz-Monzón, Wilmer Ugarte-López, Fernando Hurtado-Butrón, Fanny Samanamud-Moreno, David Haro-Carranza, Stefany Valdivieso-Moreno, David Salirrosas-Fernández and Marisol Contreras Quiñones
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Claudio Quiñones-Cerna: Laboratorio de Biotecnología e Ingeniería Genética, Facultad de Ciencias Biológicas, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
Juan Carlos Rodríguez-Soto: Laboratorio de Citometría, Facultad de Ciencias Biológicas, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
Gabriela Barraza-Jáuregui: Escuela de Ingeniería Agroindustrial, Facultad de Ciencias Agropecuarias, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
Johnny Huanes-Carranza: Laboratorio de Biotecnología e Ingeniería Genética, Facultad de Ciencias Biológicas, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
José Alfredo Cruz-Monzón: Departamento de Ingeniería Química, Facultad de Ingeniería Química, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
Wilmer Ugarte-López: Departamento de Ingeniería Ambiental, Facultad de Ingeniería Química, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
Fernando Hurtado-Butrón: Laboratorio Multidisciplinario de Nanociencia y Nanotecnología “Oswaldo Sánchez Rosales, Facultad de Ciencias Físicas y Matemáticas, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
Fanny Samanamud-Moreno: Laboratorio Multidisciplinario de Nanociencia y Nanotecnología “Oswaldo Sánchez Rosales, Facultad de Ciencias Físicas y Matemáticas, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
David Haro-Carranza: Laboratorio de Biotecnología e Ingeniería Genética, Facultad de Ciencias Biológicas, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
Stefany Valdivieso-Moreno: Laboratorio de Biotecnología e Ingeniería Genética, Facultad de Ciencias Biológicas, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
David Salirrosas-Fernández: Laboratorio de Citometría, Facultad de Ciencias Biológicas, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru
Marisol Contreras Quiñones: Laboratorio de Citometría, Facultad de Ciencias Biológicas, Universidad Nacional de Trujillo, Juan Pablo II Av., Trujillo 13008, Peru

Sustainability, 2024, vol. 16, issue 2, 1-14

Abstract: Bacterial cellulose is a biomaterial known for its physical and mechanical properties, including its high mechanical strength, water retention capacity, and biocompatibility. Its production from various carbohydrates has been widely studied, aiming to find more efficient and cost-effective culture media. This study investigated the production of bacterial cellulose from agroindustrial asparagus peel waste by Komagataeibacter rhaeticus QK23. A strain of QK23 was isolated and cultivated from a kombucha tea, identified based on morphological and molecular characteristics using the 16S rRNA gene. The waste was hydrolyzed and converted into fermentable sugars. Using the response surface methodology, the inoculum dose (1–20%) and incubation time (3–25 days) were evaluated concerning bacterial cellulose yield. The results demonstrated that with an optimal inoculum dose of 10.5% and an incubation time of 25 days, a production of 2.57 g/L was achieved. It was characterized as similar to type I cellulose, exhibiting a high degree of crystallinity (81.89%) and suitable morphological properties, evidenced by a fiber size of 178 nm and a surface roughness of 27.05 nm. Converting asparagus waste into bacterial cellulose is a sustainable and effective strategy that promotes the development of advanced biomaterials in biotechnology research.

Keywords: cellulose; Komagataeibacter; biotechnology; biopolymer; waste; asparagus (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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