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Research Article
Jazmín Edith Méndez-Hernández
Universidad Autonoma Metropolitana Iztapalapa
Corresponding Author
ORCiD: https://orcid.org/0000-0002-6436-2882
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This work is licensed under a CC BY 4.0 License. Read Full License
The aim of this work was to propose a strategy to revalorize the residual rice remaining at the end of a conventional conidia production process in solid-state culture. The proposal involved the reuse of rice in successive cycles of conidia production. As a result, the reuse of rice in successive cycles significantly increased the production and productivity parameters of the fungal strains Trichoderma asperellum Th-Th4 (3) and Metarhizium robertsii Xoch-8.1. Conidia production in T. asperellum Th-Th4 (3) increased from 1.0×109 to 4.9×109 con/gds, while in M. robertsii Xoch-8.1, this parameter increased form 5.7×108 to 3.8×109 con/gds. In addition, this strategy did not affect the viability of the conidia produced using recycled rice relative to the conidia produced using fresh substrate (unrecycled rice).
The proposed recycling approach was simple, and completely free of extra -drying, -sterilization, and -reinoculation steps. The technique required minimal operational intervention and thus can be easily adopted by small bio-factories or self-supply units.
Keywords
Conidia production, rice recycling, successive cycles of conidia production, conidia quality.
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This is a preprint. It has not completed peer review.
Research Article
Jazmín Edith Méndez-Hernández
Universidad Autonoma Metropolitana Iztapalapa
Corresponding Author
ORCiD: https://orcid.org/0000-0002-6436-2882
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
History
CURRENT STATUS: Posted
Version 1
Posted 05 May, 2021
No community comments so far
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
The aim of this work was to propose a strategy to revalorize the residual rice remaining at the end of a conventional conidia production process in solid-state culture. The proposal involved the reuse of rice in successive cycles of conidia production. As a result, the reuse of rice in successive cycles significantly increased the production and productivity parameters of the fungal strains Trichoderma asperellum Th-Th4 (3) and Metarhizium robertsii Xoch-8.1. Conidia production in T. asperellum Th-Th4 (3) increased from 1.0×109 to 4.9×109 con/gds, while in M. robertsii Xoch-8.1, this parameter increased form 5.7×108 to 3.8×109 con/gds. In addition, this strategy did not affect the viability of the conidia produced using recycled rice relative to the conidia produced using fresh substrate (unrecycled rice).
The proposed recycling approach was simple, and completely free of extra -drying, -sterilization, and -reinoculation steps. The technique required minimal operational intervention and thus can be easily adopted by small bio-factories or self-supply units.
Figure 1
Figure 2
Figure 3
Figure 4
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