Back to Search
Start Over
Effects of CO2 concentration and light intensity on macromolecules accumulation of Micractinium sp.
- Source :
-
Biomass & Bioenergy . Aug2022, Vol. 163, pN.PAG-N.PAG. 1p. - Publication Year :
- 2022
-
Abstract
- Economically efficient biomass production is crucial to lift the microalgal circular bioeconomy requiring low production cost with higher biomass and value-added products. In this study, Micractinium sp. YACCYB505 was cultured at different illuminations (1600, 2400, 3200 lux) and CO 2 conditions (up to 10%) to evaluate biomass productivity and accumulation of macromolecules (lipid, carbohydrate and protein). The product optimization study was conducted to analyze individual variables of environmental factors by using a Box-Behnken design. Highlight intensity (3200 lux) and 5% CO 2 aeration maximized biomass productivity on 11th day of microalgal harvest. Microalgal lipid accumulation indicated positive impact on increased CO 2 aeration and light intensity treatment. Similarly, a considerable amount of protein content (9%) was increased at higher CO 2 aeration but raised light intensity had a negative impact on protein biosynthesis. Significant carbohydrate content reduction was observed with increased light intensity and CO 2 aeration. The overall results proved that increased CO 2 concentration (10%) and light intensity (3200 lux) enhanced lipid accumulation (32%) and biomass productivity in Micractinium sp., which provides potential to achieve a sustainable, cost-effective biomass and value-added products. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09619534
- Volume :
- 163
- Database :
- Academic Search Index
- Journal :
- Biomass & Bioenergy
- Publication Type :
- Academic Journal
- Accession number :
- 158332005
- Full Text :
- https://doi.org/10.1016/j.biombioe.2022.106522