USE OF CITRUS BY-PRODUCTS: FERMENTATION OF THE ORANGE BARK BY ASPERGILLUS NIGER VAN TIEGHEM, 1867

Authors

  • Olegario Marín-Machuca Laboratorio de Tecnología de Alimentos. Facultad de Oceanografía, Pesquería, Ciencias Alimentarias y Acuicultura. Universidad Nacional Federico Villarreal (UNFV). Lima. Perú.Escuela Profesional de Ingeniería de Alimentos. Facultad de Ingeniería Pesquera y de Alimentos Universidad Nacional del Callao (UNAC). Callao. Perú. https://orcid.org/0000-0002-0515-5875
  • José Iannacone Laboratorio de Parasitología. Facultad de Ciencias Biológicas. Universidad Ricardo Palma (URP). Lima. Perú. Laboratorio de Ecología y Biodiversidad Animal. Facultad de Ciencias Naturales y Matemática. Grupo de Investigación en Sostenibilidad Ambiental (GISA), Escuela Universitaria de Posgrado, Universidad Nacional Federico Villarreal (EUPG –UNFV). Lima. Perú. https://orcid.org/0000-0003-3699-4732
  • Raúl Ernesto Porras-Lavalle Unidad de Investigación, Innovación y Emprendimiento. Facultad de Ciencias Sociales. Universidad Nacional Federico Villarreal (UNFV). Lima. Perú. https://orcid.org/0000-0003-4371-0056
  • Fredy Aníbal Alvarado-Zambrano Facultad de Industrias Alimentarias. Universidad Nacional Agraria de la Selva (UNAS). Huánuco. Perú. https://orcid.org/0000-0002-7213-656X
  • Ahuber Omar Vásquez-Aranda Laboratorio de Geografía y Medio Ambiente. Facultad de Ingeniería Geográfica, Ambiental y Ecoturismo. Universidad Nacional Federico Villarreal (UNFV). Lima, Perú. https://orcid.org/0000-0002-2873-6752
  • Ricardo Arnaldo Alvarado-Zambrano Facultad de Industrias Alimentarias. Universidad Nacional Agraria de la Selva (UNAS), Huánuco, Perú. https://orcid.org/0000-0002-5060-6428

DOI:

https://doi.org/10.24039/rtb2021191882

Keywords:

Aspergillus niger, orange peel, fermentation, inorganic and organic nitrogen

Abstract

The use of citrus by-products was evaluated through the fermentation of the orange peel by means of Aspergillus niger van Tieghem strain, 1867, which was obtained by inoculation in a petri dish, at a temperature of 35°C and a pH of 4,3. The crushed orange peel was used as a substrate, partially dehydrated, spread on trays, dried in cardboard trays and without heat pretreatment, adding only components and mineral nutrients, and A. niger was cultivated at different fermentation temperatures between 8°C and 40 °C. Upon completion of the fermentation process of the pretreated orange peel, maximum percentages of transformation of mineral nitrogen to organic nitrogen of 34.5% were obtained, for a value of the thermal integral between 0°C and 320°C per day, obtaining for a kg of dry matter, 6.6% protein for 600 g of product (feed) with 18% protein. Finally, the variation of the pH of the substrate was correlated as a function of the thermal integral of the crop; the performance of the transformation of mineral to organic nitrogen as a function of the thermal integral of the crop and the evolution of the organic nitrogen content of the orange substrate fermented by A. niger compared to the thermal integral. The results show high correlation coefficients. It is concluded that it is possible to take advantage of citrus by-products by fermentation of the orange peel by A. niger.

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Published

2021-01-15

How to Cite

Marín-Machuca, O., Iannacone, J., Porras-Lavalle, R. E., Alvarado-Zambrano, F. A., Vásquez-Aranda, A. O., & Alvarado-Zambrano, R. A. (2021). USE OF CITRUS BY-PRODUCTS: FERMENTATION OF THE ORANGE BARK BY ASPERGILLUS NIGER VAN TIEGHEM, 1867. The Biologist, 19(1), 57–64. https://doi.org/10.24039/rtb2021191882

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