[Germplasm] Cassava Starch Diversity for Sustainable Bioethanol Production

Cassava starch variation offers new opportunities for renewable bioenergy systems. In collaboration with researchers from CIAT, CIRAD (France), the University of Montpellier, and Hanoi University of Science and Technology, this study investigated specialized cassava starch mutants—including amylose-free and small-granule starch types—for bioethanol production. 

One genotype achieved over 80% theoretical ethanol yield without cooking, demonstrating strong potential for industrial biofuel applications. This work highlights how genetic variation in starch composition can be leveraged to improve processing efficiency and expand cassava’s role beyond food into sustainable industrial and bioenergy markets.

 

Five SEM images showing detailed microstructures of various particles, labeled A to E.

Media Resources

Jhon Larry Moreno Alzate, Thierry Tran, Hernan Ceballos, Chinh-Nghia Nguyen, Tien Cuong Nguyen, Xiaofei Zhang, Jonathan Newby, Dominique Dufour, Son Chu-Ky,
Physicochemical characterization of special cassava starches and their application for bio-ethanol production through no-cook technology at very high gravity,
Industrial Crops and Products,
Volume 219,
2024,
119095,
ISSN 0926-6690,
https://doi.org/10.1016/j.indcrop.2024.119095.

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