What percentage of Spirulina's dry weight is typically protein content?
Answer
50% to 70% of its dry weight
Spirulina is recognized in studies for its exceptionally high concentration of protein, often cited as constituting between 50% and 70% of its total dry weight. This level significantly surpasses that found in most conventional protein sources, such as beef. This extreme concentration is considered invaluable in the context of space travel where mass limitations dictate that every ounce launched must be highly efficient in providing necessary nutrition. This foundational macronutrient contribution is a primary reason why space agencies zero in on this microalgae for long-duration missions.
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