A novel two-phase bioprocess for the production of Arthrospira (Spirulina) maxima LJGR1 at pilot plant scale during different seasons and for phycocyanin induction under controlled conditions.

Abstract:

:A two-phase outdoor cultivation bioprocess for Arthrospira maxima LJGR1 combined with phycocyanin induction in concentrated cultures under controlled conditions was evaluated using a modified low-cost Zarrouk medium. Growth was monitored during 4 cycles in 2018 and 4 cycles in 2019. Biomass was harvested and concentrated using membrane technology at the end of each cycle for further phycocyanin induction using blue LED light (controlled conditions, 24 h). The highest biomass productivity was observed during spring and summer cycles (13.63-18.97 gDWm-2 d-1); during mid-fall and mid-end fall, a decrease was observed (9.93-7.76 gDWm-2 d-1). Under favorable growth conditions, phycocyanin induction was successful. However, during cycles with unfavorable growth condition, phycocyanin induction was not observed. Reactive-grade phycocyanin (3.72 ± 0.14) was recovered and purified using microfiltration and ultrafiltration technologies.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

García-López DA,Olguín EJ,González-Portela RE,Sánchez-Galván G,De Philippis R,Lovitt RW,Llewellyn CA,Fuentes-Grünewald C,Parra Saldívar R

doi

10.1016/j.biortech.2019.122548

subject

Has Abstract

pub_date

2020-02-01 00:00:00

pages

122548

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(19)31778-X

journal_volume

298

pub_type

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