Energetic biorefinery from waste avocado seed (Persea americana cv. ‘Hass’)

Authors

Keywords:

Biofuels, Biofertilizer, Avocado seeds

Abstract

In Mexico, almost 90.2% of the energy comes from fossil fuels. The avocado Hass “Persea americana” is a product of great commercial importance; however, its processing is associated with waste generation, which usually is not managed properly. It is important that this type of by-product could be re<<<valorized to reduce the environmental footprint of this industry while value-added products are obtained. In the present work, the characterization of the residual defatted avocado seed was carried out, analyzing its moisture content, total, volatile, and fixed solids, ash content, and oil extraction was also carried out, and the fatty acid profile was analyzed. The seed presented 52.82% humidity, 95.68% total solids, and 97.78% volatile solids, which suggests good potential for biofuel transformation. Seed oil extraction with solvents showed a yield of 3.6%, with a fatty acid profile that indicates that it could be used for good-quality biodiesel production. On the other hand, the best methanogenic potential of the defatted seed showed a total accumulated production of 178.94 ± 4.90 milliliters of methane per gram of volatile solid (mL CH4/gVS). Furthermore, the digestate generated from the anaerobic digestion of the defatted seed with the Be-Gaia inoculum showed good potential as a biofertilizer, maintaining results similar to commercial fertilizer. This work's results suggest that it is possible to generate process routes for an energy biorefinery that takes advantage of the Persea americana “Hass” avocado residual seed from this material.

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Author Biographies

  • Peraza-Regalado K.A., Universidad Politécnica de Sinaloa, México.

    Engineer in Energy, graduated from the Politecnica University of Sinaloa in Mazatlán, Mexico. Experienced in energy potential analysis. Her areas of interest include mathematics, renewable energies, and efficient cogeneration

  • Valdez-Ontiveros J.E., Universidad Politécnica de Sinaloa, México.

    Engineer in Energy, graduated from the Politécnica University of Sinaloa in Mazatlán, Mexico. His areas of interest include renewable energies and power generation plants.

  • Juárez-Cota M.F., Universidad Politécnica de Sinaloa, México.

    Master's in Applied Sciences with a focus on Sustainable Development. Background in Energy Engineering. Specialist in the utilization of agro-industrial waste for bioenergy generation. Experience as a subject instructor in conversational English, teaching the language at beginner, basic, and intermediate levels, as well as basic sciences at the high school level. Experience as a coordination assistant and raw material reception at HQ Flavor, and in developing project proposals for energy efficiency and photovoltaic installations.

  • Ambriz-Pérez D.L. , Universidad Politécnica de Sinaloa, México.

    Doctorate in Sciences. Professor at the Politecnica University of Sinaloa; member of the National System of Researchers, Level I. Extensive experience in functional foods and nutraceutical compounds, with expertise in the extraction, quantification, and identification of compounds of interest. Author of various indexed scientific and popular science publications.

  • Santos-Ballardo D.U., Centro de Investigación en Alimentación y Desarrollo (CIAD), México.

    PhD in Environmental Biotechnology, Researcher at the Polytechnic University of Sinaloa; Member of SNI level 1. Author of more than 20 scientific publications (indexed and publicized) and have participated as director of bachelor’s, master’s, and doctoral thesis. He has conducted research around renewable energy, such as the concept of biorefineries for the production of high-value bioproducts.

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Energetic biorefinery from waste avocado seed (Persea americana cv. ‘Hass’)

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Published

2024-09-24

Data Availability Statement

https://drive.google.com/file/d/1zIrGJrQ9Y5wEO_0uSr_LsGqcTusod6YY/view?usp=drive_link

Issue

No. 2 (2024): QUIBIOUAS Revista de Ciencias Químico Biológicas

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Scientific articles

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How to Cite

Peraza Regalado, K. A., Valdez Ontiveros, J. E., Juárez Cota , M. F., Ambriz Pérez , D. L. ., & Santos Ballardo , D. U. (2024). Energetic biorefinery from waste avocado seed (Persea americana cv. ‘Hass’). QUIBIOUAS Revista De Ciencias Químico Biológicas, 2, 23-34. https://revistas.uas.edu.mx/index.php/QBU/article/view/763