Table 1: Antiviral activity of macroalgal polysaccharides.
Macroalgae |
Compounds |
Mechanism of action |
Virus |
In vitro/In vivo |
Reference |
Red Alga |
|||||
Nothogenia fastigiata |
Sulfated xylomannan |
Inhibition of replication |
HSV-1 and HSV-2 |
In vitro (Vero cells, HEp-2 and BHK-21) |
|
Bostrychia montagnei |
Sulfated galactans |
Inhibition of replication |
HSV 1 and 2 |
In vitro (Vero, African green monkey kidney cell line) |
|
Asparagopsis armata |
Sulfated galactans |
Inhibition of replication |
HIV |
In vitro (MT4 and CEM cell lines)
|
|
Gracilaria corticata |
Sulfated galactans |
Inhibition of attachment |
HSV-1 and HSV-2 |
In vitro (Vero, African green monkey kidney cell line) |
|
Gymnogongrus torulosus |
DL- hybrid galactans |
Inhibition of the binding of envelope glycoprotein with the cell receptor |
HSV-2, dengue virus 2 |
In vitro (Vero, African green monkey kidney cell line) |
|
Gymnogongrus griffithsiae and Cryptonemia crenulata |
κ,ι,ν-carrageenan carrageenan G3D and the DL-galactan hybrid C2S-3 |
Inhibition of adsorption and internalization |
Dengue virus |
Invitro (Vero cells, human hepatoma cell line HepG2, human diploid foreskin fibroblast cell line PH and The C6/36 HT mosquito cell line from Aedes Albopictus) |
|
Sebdenia polydactyla |
Sulfated xylomannans |
|
HSV-1 |
In vitro (Vero, African green monkey kidney cell line) |
|
Euchema denticulatum, Gigartina acicularis and Kappaphycus cottonii |
Carrageenan |
Inhibition of attachment |
HSV-1 and Poliovirus |
In vitro (Vero, African green monkey kidney cell line) |
|
Grateloupia indica, Scinaia hatei and Gracilaria corticata |
Sulfated polysaccharides |
Inhibition of adsorption and internalization |
Dengue virus |
In vitro (Vero, African green monkey kidney cell line) |
|
Acanthophora specifira
|
Carrageenan |
Inhibition of viral replication |
HSV-1 and RVFV |
In vitro (Vero, African green monkey kidney cell line) |
|
Solieria filiformis |
Sulfated Polysaccharides |
|
Measles virus |
In vitro (Vero, African green monkey kidney cell line)
|
|
Rhodymenia pseudopalmata, Solieria filiformis and Hydropuntia cornea |
Polysaccharides |
- |
HSV-1 |
In vitro (Vero, African green monkey kidney cell line)
|
|
Brown Alga |
|||||
Gigartina acicularis, Euchema denticulatum, Kappaphycus cottonii |
Carrageenan |
Inhibition of attachment and interference with the subsequent stage replication |
HSV-1 and Poliovirus |
In vitro (Vero, African green monkey kidney cell line) |
|
Sphacelaria indica |
Sulfated polysaccharides |
Interference with virion particles or masking viral structures |
HSV-1 |
In vitro |
|
Stoechospermum marginatum and Cystoseira indica |
Sulfated polysaccharide |
Inhibition of adsorption and internalization |
Dengue virus |
In vitro (Vero, African green monkey kidney cell line) |
|
Sargassum mcclurei; Sargassum polycystum; Turbinara ornata. |
Fucoidans |
Inhibition of viral entry |
HIV |
In vitro (HEK293T cells and U373-CD4-CXCR4 cells) |
|
Laminaria japonica |
Polysaccharide |
upregulation of IRF3 signaling-mediated IFN-a production |
Respiratory syncytial virus |
In vitro (HEK293 cells) |
|
Sargassum swartzii |
Fucoidan |
Reverse transcriptase inhibition |
HIV-1 |
In vitro (Human peripheral blood mononuclear cells)
|
|
Hydroclathrus clathratus |
Carrageenan |
Inhibition of replication |
HSV-1 and RVFV |
In vitro (Vero cells GMK cells) |
|
Macrocystis pyrifera, Eisenia arborea, Pelvetia compressa, |
Sulfated Polysaccharides |
- |
Measles virus |
In vitro (Vero, African green monkey kidney cell line)
|
|
Sargassum fluitans |
Polysaccharides |
- |
HSV-1 |
In vitro (Vero cell line) |
|
Fucus vesiculosus |
Fucoidan |
Inhibition of replication |
Hepatitis B
|
In vivo (HepG2.2.15 cells) and In vitro (C57BL/6 mice) |
|
Kjellmaniella crassifolia |
Fucoidan |
Inhibition of neuraminidase
|
Influenza A virus |
In vitro (MDCK cells and A549 cells) |
|
Laminaria japonica |
Acidic polysaccharide (LJ04) |
Inhibition of apoptosis and induction of IFN-β expression |
enterovirus 71 |
In vitro (African green monkey kidney (MA104), human rhabdomyosarcoma (RD) and human embryonic kidney (HEK) cell lines) |
|
Dictyota bartayesiana and Turbinaria decurrens |
Fucoidan |
- |
HIV-1 |
In vitro (Blasted Peripheral blood mononuclear cells)
|
|
Laminaria japonica
|
Fucoidans |
- |
Noroviruses |
In vitro (RAW cells) and in vivo (Mice) |
|
Saccharina japonica |
Fucoidans (RPI27 and RPI-28) |
- |
SARS-CoV-2 |
In vitro (Vero-E6 cells and Vero-CCL81) |
|
Green Alga
|
|||||
Monostroma latissimum |
Rhamnan sulfate (RS) |
Inhibition of adsorption and viral replication |
HSV-1, human cytomegalovirus and HIV-1 |
In vitro (Vero, African green monkey kidney cell line and human embryonic lung cells) |
|
Chaetomorpha crassa, Chaetomorpha spiralis, Caulerpa brachypus, Caulerpa scalpelliformis,Caulerpa okamurae,Codium fragile, Codium adhaerens, Codium latum Monostroma nitidum, |
Sulfated polysaccharides |
Inhibition of the early stages and late steps of replication |
HSV-1 |
In vitro (Vero cell line) |
|
Ulva lactuca |
Sulfated polysaccharide |
Inhibition of viral adsorption |
JEV |
In vitro (Vero, African green monkey kidney cell line) and In vivo (Female C3H/HeN mice)
|
|
Caulerpa racemosa |
Sulfated polysaccharide |
Inhibition of adsorption and internalization |
Dengue virus |
In vitro (Vero, African green monkey kidney cell line) |
|
Ulva intestinalis |
Sulfated polysaccharides |
- |
Measles virus |
In vitro (Vero cell line) |
|
Enteromorpha compressa |
Chemically modified polysaccharide (SU1F1)
|
Inhibition of replication |
HSV |
In vitro (human larynx epithelial cells carcinoma) |
|
Monostroma latissimum |
Sulfated rhamnan
|
Inhibition of adsorption and viral replication |
Enterovirus 71 |
In vitro (Vero, African green monkey kidney cell line) and in vivo (ICR mice) |
|
Monostroma nitidum |
Rhamnan Sulfate |
Inhibition of adsorption and entry steps |
Influenza A virus |
In vitro (Vero, MDCK, and HeLa cells) and in vivo (Female BALB/c mice) |
|
Monostroma nitidum |
Sulfated glucuronorhamnan |
Inhibition of viral replication before or during viral adsorption |
Enterovirus 71 |
In vitro (Vero and Madin-Darby canine kidney cell line) In vivo (ICR mice) |