Marine microalgae as a potential source of single cell protein (SCP) | Zendy

Jaime Fábregas | Zendy; Concepción Herrero | Zendy

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Marine microalgae as a potential source of single cell protein (SCP)

Author(s) -

Jaime Fábregas,

Concepción Herrero

Publication year - 1985

Publication title -

applied microbiology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.074

H-Index - 221

eISSN - 1432-0614

pISSN - 0175-7598

DOI - 10.1007/bf00938962

Subject(s) - isochrysis galbana , single cell protein , methionine , lysine , cystine , food science , biology , algae , tetraselmis suecica , dry matter , nucleic acid , amino acid , biochemistry , chemistry , botany , fermentation , cysteine , enzyme

The marine microalgae Tetraselmis suecica, Isochrysis galbana, Dunaliella tertiolecta and Chlorella stigmatophora are good biological sources of single cell protein (SCP). Protein content accounts for 39.12%–54.20% of the dry matter, D. tertiolecta having the highest. Lysine values are between 3.67 and 4.52 g/100 g of protein, and thus are higher than those for freshwater species. The total nucleic acid content is less than 7% of the dry matter; this value is definitely lower than that for yeasts or bacteria, commonly used as SCP sources. Amino acid profiles of the four species are very similar and comparable to the FAO reference protein, buth with a low content of methionine and cystine and a high content of lysine. The MEAA indices are between 81 and 84.98, without significant differences among the four species. Marine microalgae can be used as a potential SCP source.This work was supported by a grant of Dirección General de Ordenación Pesquera, Madrid, Spai

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