Amino Acid content of Pacific Sea Moss

Amino Acid content of Pacific Sea Moss

Seaweeds are rich in proteins. Some species are particularly high in proteins and there has been talk of substituting the production of soybeans (3 tonnes per ha) with seaweed (100 tonnes per ha). Angell in his paper, suggests that a figure of 5 is a reasonable factor to take nitrogen composition to protein levels, but he points out that most of the reported data is inconsistent in reporting amino acid composition in seaweed. A typical amino acid composition of Pacific SeaMoss is provided below.

Amino Acid Composition of Pacific Sea Moss

Biomass PropertiesAmino Acid SymbolMean (% dry weight)
HistidineHis0.09
SerineSer0.8
ArginineArg0.83
GlycineGly0.08
Aspartic AcidAsp1.7
Glutamic AcidGlu1.8
ThreonineTry0.84
AlanineAla0.92
ProlinePro0.70
LysineLys0.61
TyrosineTyr0.20
MethionineMet0.21
ValineVal1.06
IsoleucineIso0.79
LeucineLeu1.25
PhenylalaninePhe0.82
The data from Stephen Wanyani et al in their supplementary tables (doi: 10.3390/nu9111261). Values were mean and the SD was about 0.01 However the numbers do change depending on age of seaweed, season, salinity, water temperature.

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References

Angell, Alex Raymond (2016) Seaweeds as an alternative crop for the production of protein. PhD thesis, James Cook University. http://researchonline.jcu.edu.au/46892/

amino acid content