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Use of in natura sugar cane molecule and hydrolyzed cultivation of microalga Ankistrodesmus gracilis (Reinsch) Korshikov in alternative means

Grant number: 17/11001-9
Support type:Scholarships in Brazil - Master
Effective date (Start): August 01, 2017
Effective date (End): February 28, 2019
Field of knowledge:Biological Sciences - Ecology - Applied Ecology
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:Lúcia Helena Sipaúba Tavares
Grantee:Mayara Galatti Tedesque
Home Institution: Centro de Aquicultura (CAUNESP). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil


The aim of the present research is to evaluate the organic carbon usage in the growth and development rate of the microalgae Ankistrodesmus gracilis. The carbon source will be the molasses from sugarcane. The Algae cultivation will be performed in CHU12 commercial culture media and six alternative culture media. One of them is composed by inorganic fertilizer NPK (20:5:20) and the others are composed by five macrophyte species: Eichhornia crassipes, Eichhornia azurea, Salvinia auriculata, Lemna minor and Azolla filiculoides. Aspects of the biology and the microalgae nutritional quality will be evaluated, along with the ratio cost/benefits of the used medium. The carbon source will be provided in two forms of the molasses: "in natura" and "hydrolyzed". The last form allows the rapid transformation of sucrose into glucose and fructose, which will be readily available to the microalgae. The use of sugarcane molasses in culture medium, which are widely produced in the region of the study, may provide to this product another destination. It may be employed as biological additive for the microalgae, since they may be employed in several sectors of the industry, such as biodiesel production. And the aquatic macrophyte are considered as biological residue from aquaculture. In several cases, when the managements of the productions systems is inadequate, they present high growth rate. Thus, this study may also provide information about a new destination to the aquatic macrophyte. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TEDESQUE, MAYARA GALATTI; SCARDOELI-TRUZZI, BRUNO; SIPAUBA-TAVARES, LUCIA HELENA. Messastrum gracile (Chlorophyceae) growth using sugarcane molasses-based macrophyte extract culture media. JOURNAL OF APPLIED PHYCOLOGY, v. 33, n. 5, p. 2745-2754, OCT 2021. Web of Science Citations: 0.
L. H. SIPAÚBA-TAVARES; B. SCARDOELI-TRUZZI; D. C. FENERICK; M. G. TEDESQUE. Comparison of photoautotrophic and mixotrophic cultivation of microalgae Messastrum gracile (Chlorophyceae) in alternative culture media. Brazilian Journal of Biology, v. 80, n. 4, p. 914-920, Dez. 2020. Web of Science Citations: 3.
L. H. SIPAÚBA-TAVARES; M. G. TEDESQUE; B. SCARDOELI-TRUZZI. Evaluation of the effects of sugarcane molasses as a carbon source for Ankistrodesmus gracilis and Haematococcus pluvialis (Chlorophyceae). Brazilian Journal of Biology, v. 80, n. 3, p. 594-600, Set. 2020. Web of Science Citations: 1.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
TEDESQUE, Mayara Galatti. Use of in natura sugar cane molecule and hydrolyzed in the culture of microalga ankistrodesmus gracilis (reinsch) korshikov in alternative means. 2019. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.

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