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Jackfruit Seed – A Novel Substrate for the Production of Monascus Pigments through Solid-State Fermentation

Sumathy Babitha1, Carlos R. Soccol2 and Ashok Pandey1*

1Biotechnology Division, Regional Research Laboratory (CSIR), Trivandrum 695 019, India
2Process Biotechnology Laboratory, Federal University of Parana, CEP 81530-970, Curitiba-PR, Brazil

Article history:
Received October 25, 2005
Accepted January 19, 2006

Key words:
jackfruit seed powder, Monascus, pigment, solid-state fermentation

Summary:
Solid-state fermentation was carried out using jackfruit seed powder as substrate for the production of pigments using a fungal culture of Monascus purpureus. Due to the buffering nature of jackfruit seed powder, colour of pigments produced was stable over a wide range of initial pH of the substrate. Jackfruit seed powder with a particle size between 0.4 and 0.6 mm without any additional carbon source was found to be the best for pigment production. Water-soluble pigments were produced when jackfruit seed powder was supplemented with monosodium glutamate, soybean meal, peptone or chitin powder. The addition of external nitrogenous compounds showed a positive impact on water-soluble pigment production.

 


*Corresponding author:           pandey@csrrltrd.ren.nic.in
                                               ++91 471 24 95 949, ++91 471 25 15 279
                                               ++91 471 24 91 712

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