| Autor: |
Zhang, Shudi, Chen, Fangfang, Pang, Haiyue, Gao, Yanfen, Wen, Yonghuang, Wang, Gueyhorng |
| Zdroj: |
Biotechnology & Biotechnological Equipment; January 2021, Vol. 35 Issue: 1 p1669-1679, 11p |
| Abstrakt: |
AbstractFresh Spirulinais more favorable than dried one, yet its ease of deterioration necessitates production of biomass that can be immediately consumed. We developed a prototype household photobioreactor and studied the semi-continuous cultivation and harvest conditions within 107 days. Three growth phases were observed featuring different growth rate and recovering time after harvest. Nutrients were consumed at rates of Fe > N > P > Mg > K. The pH mounted rapidly when below 9 and varied slowly between 9 and 10, whose variation positively correlated with that of biomass concentration. Bacterial load was at a constant level of about 2 × 104CFU, indicating good sanitary condition. Harvesting efficiency improved with greater biomass and filtration sack mesh number until reaching 3.5 g·L−1and 200, respectively. We hope this study can help the method development of fresh Spirulinacultivation in miniaturized systems. |
| Databáze: |
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