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Saccharina japonica, a Potential Feedstock for Pigment Production Using Submerged Fermentation
Thiyam General,Binod Prasad,김혜진,Nithya Vadakedath,조만기 한국생물공학회 2014 Biotechnology and Bioprocess Engineering Vol.19 No.4
In this study, the feasibility and applicability ofmarine algal biomass Saccharina (Laminaria) japonica asa sole substrate for the production of pigments byTalaromyces amestolkiae GT11 in submerged fermentationwas evaluated. Results indicated that the fungus T. amestolkiae GT11 produced the highest amount ofextracellular yellow (444.83 ± 22) and red (200.94 ± 12),and intracellular yellow (362.28 ± 34) and red (193.87 ±10) pigments, utilizing 1% (w/v) of S. japonica powder atan initial pH of 5 and 30°C, as compared to otherphysiochemical parameters tested. The pH and thermostabilityanalysis results demonstrated that even after 5 h ofincubation the pigment was found to be highly stable at pH6 and 40 ~ 60°C with 98% and 90.56 ~ 84.69% of residualabsorbance, respectively. Apart from the application ofpigment as a natural colorant instead of synthetic one inbiotechnology industry, the fermented substrate itself canbe exploited as food and feed with enhanced nutrientcontent, improved protein quality and fiber digestibility,etc. However, further studies concerning the safety andfunctional properties of the pigment and fermented substrateare required. Furthermore, this study provides the evidencesabout the biological method of making easily fermentablebiomass for biorefiners or other metabolite production.