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Title of Journal: J Appl Phycol

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Abbravation: Journal of Applied Phycology

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Springer Netherlands

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DOI

10.1016/0091-3057(86)90223-6

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1573-5176

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Antiviral compounds obtained from microalgae commo

Authors: Susana Santoyo Laura Jaime Merichel Plaza Miguel Herrero Irene RodriguezMeizoso Elena Ibañez Guillermo Reglero
Publish Date: 2011/05/31
Volume: 24, Issue: 4, Pages: 731-741
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Abstract

Pressurized liquid extraction PLE an environmentally friendly technique has been used to obtain antiviral compounds from microalgae commonly used as carotenoid sources Haematococcus pluvialis and Dunaliella salina The antiviral properties of PLE extracts hexane ethanol and water were evaluated against herpes simplex virus type 1 HSV1 at different stages during viral infection Pretreatment of Vero cells with 75 μg mL−1 of H pluvialis ethanol extract inhibited virus infection by approximately 85 whereas the same concentration of water and hexane extracts reduced the virus infectivity 75 and 50 respectively D salina extracts were less effective than H pluvialis extracts and presented a different behaviour since water and ethanol extracts produced a similar virus inhibition 65 Moreover H pluvialis ethanol extract was also the most effective against HSV1 intracellular replication The antiviral activity of water PLE extracts was found to correlate with polysaccharides since the polysacchariderich fraction isolated from these extracts showed higher antiviral activity than the original water extracts A gas chromatographymass spectrometry GCMS characterization of the H pluvialis ethanol extract showed the antiviral activity of this extract could be partially related with the presence of shortchain fatty acids although other compounds could be involved in this activity meanwhile in the case of D salina ethanol extract other compounds seemed to be implied such as βionone neophytadiene phytol palmitic acid and αlinolenic acid The results demonstrate the use of PLE allows obtaining antiviral compounds from microalgae used as carotenoids sources which gives the microalgae biomass an added value

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