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In Living Color: Bacterial Pigments as an Untapped Resource in the Classroom and Beyond

Figure 3

Extracts from Streptomyces cultured on semi-solid agar plates.

S. coelicolor extracted with water (A) and after addition of dilute acid (B); S. violaceoruber Tu22 extracted with ethyl acetate (C) and after addition of dilute hydrochloric acid (D); S. roseofulvus extracted with ethyl acetate (E).

Figure 3