Red Algae Extract
Colorant
Red algae extract is a natural food coloring made from a type of seaweed. It's often used in foods and cosmetics to give them a reddish or pinkish hue.
Source: FDA GRAS list
Red algae extract is generally considered safe for consumption and use in cosmetics, but high doses may cause gastrointestinal upset in some individuals.
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Purification, Identification, and In Silico Analysis of Anti-Obesity and Antidiabetic Peptides from the Red Seaweed Palmaria palmata.
Ghelichi S, Hajfathalian M, Helalat SH
2025
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Last updated: May 16, 2026