Boletocrocin

Boletocrocin is any one of a group of seven closely related organic compounds, individually named boletocrocin A through boletrocrocin G.[1] These compounds are polyene dicarboxylic acids that include both lipophilic and polar amino acids.[2] They were extracted from the brightly colored mushrooms Boletus laetissimus and B. rufoaureus.[2] The boletocrocins' conjugated systems account for the intense color.

General structure. If R = OH (aspartic acid), boletocrocin A; R = NH2 (asparagine), boletocrocin B.

Related biological pigments are present in other fungi, such as calostomal (from Calostoma cinnabarinum),[3] melanocrocin (from Melanogaster broomeianus),[4] and mycenaaruin A (from Mycena aurantiomarginata).[1]

References
  1. Jaeger RJ, Spiteller P (2010). "Mycenaaurin A, an Antibacterial Polyene Pigment from the Fruiting Bodies of Mycena aurantiomarginata". Journal of Natural Products. 73 (8): 1350–1354. doi:10.1021/np100155z. PMID 20617819.
  2. Kahner L, Dasenbrock J, Spiteller P, Steglich W, Marumoto R, Spiteller M (1998). "Polyene pigments from fruit-bodies of boletus laetissimus and B. rufo-aureus (basidiomycetes)". Phytochemistry. 49 (6): 1693–1697. doi:10.1016/S0031-9422(98)00319-7. PMID 11711083.
  3. Gruber G, Steglich W (2007). "Calostomal, a polyene pigment from the gasteromycete Calostoma cinnabarinum (Boletales)" (PDF). Zeitschrift für Naturforschung B. 62 (1): 129–131. doi:10.1515/znb-2007-0120.
  4. Aulinger K, Besl H, Spiteller P, Spiteller M, Steglich W (2001). "Melanocrocin, a polyene pigment from Melanogaster broomeianus (Basidiomycetes)". Zeitschrift für Naturforschung C. 56 (7–8): 495–498. doi:10.1515/znc-2001-7-803. PMID 11531079.


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