Phytochemical Screening and Antimicrobial Activity of Various Marine Microalgae and Cyanobacteria

Ismail, Mona M.; Elkomy, Reham G.

doi:10.1615/hydrobj.v58.i1.70

Hydrob J

2022

DOI: 10.1615/hydrobj.v58.i1.70

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Phytochemical Screening and Antimicrobial Activity of Various Marine Microalgae and Cyanobacteria

Mona M. Ismail¹,

Reham G. Elkomy

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Purification and fractionation of phycobiliproteins from Arthrospira platensis and Corallina officinalis with evaluating their biological activities

Ismail,

El-Fakharany,

Hegazy

2023

Sci Rep

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Phycobiliproteins (PBPs) are a class of water-soluble pigments with a variety of biological functions that are present in red macroalgae and cyanobacterial species. The crude forms of phycocyanin (C-PC) from the blue green alga Arthrospira platensis and allophycocyanin (APC) from the red macroalga Corallina officinalis were extracted and purified by ammonium sulphate precipitation, anion exchange chromatography, and size exclusion chromatography methods, respectively. The obtained C-PC and APC from A. platensis and C. officinalis were 0.31 mg/mL and 0.08 mg/mL, respectively, with molecular masses of “17.0 KDa and 19.0 KDa” and “15.0 KDa and 17.0 KDa” corresponding to α and β subunits, respectively. FT-IR was used to characterize the purified APC and C-PC in order to look into their structures. Highly purified extracts (A620/A280 > 4.0) were obtained from subtractions’ PC3 and PC4 that were tested for their biological activities. APC and C-PC crude extracts plus their fractions exhibited potent anti-oxidant in different ratios by using three techniques. PC1 showed high anti-inflammatory (75.99 and 74.55%) and anti-arthritic (78.89 and 76.92%) activities for C. officinalis and A. platensis, respectively compared with standard drugs (72.02 and 71.5%). The methanolic and water extracts of both species showed greater antibacterial efficacy against Gram +ve than Gram −ve marine bacteria. Our study shed light on the potential medical uses of C-PC and APC extracted from the tested species as natural substances in a variety of foods and drugs. Further investigations are required to explore the diverse chemical natures of distinct PBPs from different cyanobacteria and red algae because their amino acid sequences vary among different algal species.

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Purification and fractionation of phycobiliproteins from Arthrospira platensis and Corallina officinalis with evaluating their biological activities

Ismail,

El-Fakharany,

Hegazy

2023

Sci Rep

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Biochemical Profile, Nutritional Value, and Biological Activities of Arthrospira Platensis Gomont

Ismail

Noaman

2022

Hydrob J

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Phytochemical Screening and Antimicrobial Activity of Various Marine Microalgae and Cyanobacteria

Cited by 2 publications

References 0 publications

Purification and fractionation of phycobiliproteins from Arthrospira platensis and Corallina officinalis with evaluating their biological activities

Purification and fractionation of phycobiliproteins from Arthrospira platensis and Corallina officinalis with evaluating their biological activities

Biochemical Profile, Nutritional Value, and Biological Activities of Arthrospira Platensis Gomont

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