Shadad, A., Battah, M., Hassan, M., Hamed, A., El awady, M. (2024). Bioactive secondary metabolites and Antioxidant activity of Spirulina. Benha Journal of Applied Sciences, 9(1), 17-21. doi: 10.21608/bjas.2024.283361.1405
ASMaa Shadad; Mohamed G. Battah; Mervat G. Hassan; Ahmed A. Hamed; Mohamed E. El awady. "Bioactive secondary metabolites and Antioxidant activity of Spirulina". Benha Journal of Applied Sciences, 9, 1, 2024, 17-21. doi: 10.21608/bjas.2024.283361.1405
Shadad, A., Battah, M., Hassan, M., Hamed, A., El awady, M. (2024). 'Bioactive secondary metabolites and Antioxidant activity of Spirulina', Benha Journal of Applied Sciences, 9(1), pp. 17-21. doi: 10.21608/bjas.2024.283361.1405
Shadad, A., Battah, M., Hassan, M., Hamed, A., El awady, M. Bioactive secondary metabolites and Antioxidant activity of Spirulina. Benha Journal of Applied Sciences, 2024; 9(1): 17-21. doi: 10.21608/bjas.2024.283361.1405
Bioactive secondary metabolites and Antioxidant activity of Spirulina
1Microbial Chemistry Department, Faculty of Science, Benha University, Benha, Egypt
2. Microbial Chemistry Department, National Research Centre, El-Buhouth Street, Dokki, Cairo, Egypt.
3Microbial Biotechnology Department, National Research Centre, El- Buhouth Street, Dokki, Cairo, Egypt.
Abstract
Algae are abundant in bioactive substances that could find use in a variety of sectors, such as functional foods, nutraceuticals, and pharmaceuticals. The present investigation examined the antioxidant capacity of crude extracts derived from two distinct strains of algae, namely Spirulina and Pediastrum. The selection of these algae was based on their specific morphologies: Pediastrum is made up of many individual cells arranged in a flat, disk-like shape; and Spirulina has a filamentous, spiral-shaped structure. The DPPH scavenging assay was used to assess the antioxidant activity of the crude extracts, which were prepared using a variety of solvents, including H2O, methanol, ethanol, dichloromethane, and ethyl acetate. With a DPPH scavenging capacity of 89.55%, Spirulina showed the highest antioxidant activity of the algal strains tested, especially in methanol extracts. This emphasizes spirulina's potential as a rich source of bioactive chemicals that have the ability to scavenge free radicals. Methanol extracts were shown to be highly effective in extracting antioxidant components, as evidenced by their consistent display of the highest antioxidant activity among the three algae species. On the other hand, the lowest antioxidant activity was found in water extracts, indicating that the solubility of antioxidant chemicals in water is limited
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