Microalgal flour granules and process for preparation thereof

Microalgal flour granules, which have at least one of the following characteristics:

• a multimodal particle size distribution, measured on a particle size analyser, of from 2 to 400 μm,
• flow grades, determined according to a test A,
• 0.5 to 60% by weight for the oversize at 2000 μm,
• 0.5 to 60% by weight for the oversize at 1400 μm,
• 0.5 to 95% by weight for the oversize at 800 μm,
• a degree of wettability, expressed according to a test B, by the height of the product settled in a beaker, at a value of 0.2 to 4.0 cm, preferably 1.0 to 3.0 cm.