Cultivation of Spirulina maxima in medium supplemented with sugarcane vinasse

Bioresource Technology
Raquel Rezende Dos SantosRicardo Moreira Chaloub

Abstract

The feasibility of sugarcane vinasse as supplement in growth medium of Spirulina maxima was investigated. The cell was cultivated under autotrophic (no vinasse, 70 μmol photons m(-2) s(-1)), heterotrophic (no light, culture medium supplemented with vinasse at 0.1% v/v and 1.0% v/v) and mixotrophic conditions (70 μmol photons m(-2) s(-1), vinasse at 0.1% v/v and 1.0% v/v). These preliminary results suggested a cyclic two-stage cultivation - CTSC, with autotrophic condition during light phase of the photoperiod (12 h, 70-200 μmol photons m(-2) s(-1)) and heterotrophic condition during dark phase (12h, 3.0% v/v vinasse). The adopted CTSC strategy consisted in three cycles with 75% withdrawal of suspension and reposition of medium containing 3.0% v/v vinasse, separated by autotrophic rest periods of few days between cycles. Results show an increase of biomass concentration between 0.495 g L(-1) and 0.609 g L(-1) at the 7th day of each cycle and high protein content (between 74.3% and 77.3% w/w).

References

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Citations

Jul 13, 2016·Bioresource Technology·Meheretu Jaleta DirbebaMikko Hupa
Aug 28, 2016·Bioresource Technology·Kricelle Mosquera DeamiciLucielen Oliveira Santos
Jun 25, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Alejandra Sánchez-BayoLuis Fernando Bautista
Feb 13, 2021·Bioprocess and Biosystems Engineering·Francisco J ChoixJony R Torres
Feb 13, 2018·Bioresource Technology·Denise da Fontoura PratesJorge Alberto Vieira Costa
Aug 26, 2021·Environmental Pollution·Stephen Dayana PriyadharshiniNatchimuthu Karmegam
Aug 20, 2019·Bioresource Technology·Jorge Alberto Vieira CostaB Greg Mitchell

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