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Date Published: 30/11/2022
Online Published: 30/11/2022
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DOI: https://doi.org/10.54607/hcmue.js.19.11.3565(2022)
Issue
Vol. 19 No. 11 (2022)
Section
Articles
How to Cite
Võ , H. T., & Nguyễn , T. H. P. (2022). NPK FERTILIZER FOR CULTURING THE GROWTH, PIGMENTS, AND BETA-CAROTENE ACCUMULATION OF DUNALIELLA SALINA MICROALGAE. HCMUE Journal of Science, 19(11), 1830. https://doi.org/10.54607/hcmue.js.19.11.3565(2022)

NPK FERTILIZER FOR CULTURING THE GROWTH, PIGMENTS, AND BETA-CAROTENE ACCUMULATION OF DUNALIELLA SALINA MICROALGAE

Hồng Trung Võ , Thị Hồng Phúc Nguyễn

Main Article Content

Abstract

The microalgae Dunaliella salina has been used as an important source of natural pigments, especially carotenoids. The growth and accumulation of pigments such as chlorophyll, carotenoids, and β-carotene of D. salina are influenced by nutrient composition in the medium and cultural conditions. NPK fertilizer (Dau trau MK 501) is a low-cost nutrient source used to investigate the growth, pigments and β-carotene contents of four D. salina N, O, J, and CCAP 19 /18 strains cultured in MD4 1.5M NaCl medium containing 0.05, 0.1 and 0.15 g/L NPK. The results showed that D. salina obtained high cell density, growth rate, and chlorophyll content in the medium with 0.15 g/L NPK compared to low concentrations (p<0.05). However, the accumulation of carotenoids and β-carotene was high in the medium at a lower NPK concentration of 0.05 g/L (p<0.05). This study demonstrated that Dunaliella salina grew optimally in the medium with 0.15 g/L NPK and accumulated carotenoids and β-carotene at a low concentration of 0.05 g/L.

Keywords

Dunaliella salina, NPK fertilizer, pigments and β-carotene

Article Details

References

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