Laetiporic acids, a family of non-carotenoid polyene pigments from fruit-bodies and liquid cultures of Laetiporus sulphureus (Polyporales, Fungi)

Laetiporic acids A-C and 2-dehydro-3-deoxylaetiporic acid A are the orange pigments of fruit-bodies and liquid-grown mycelium of Laetiporus sulphureus.