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  • Title: [Solid-state fermentation with Penicillium sp. PT95 for carotenoid production].
    Author: Han J, Xu J.
    Journal: Wei Sheng Wu Xue Bao; 1999 Apr; 39(2):148-53. PubMed ID: 12555420.
    Abstract:
    A preliminary study on solid-state fermentation (SSF) with Penicillium sp PT95 for carotenoid production was performed. The results showed that the production of carotenoid in sclerotia of PT95 was more efficient in corn meal medium than in either wheat bran medium or cottonseed hull medium. Addition of nitrogen and carbon sources as well as vegetable oil to media was required for increasing the dry weight of sclerotia and carotenoid yield. Among several tested compounds for nitrogen and carbon sources, sodium nitrate and maltose were the best. Through orthogonal experiments, the optimum culture medium was obtained by supplement of NaNO3 3g, maltose 10 g, soybean oil 2.5 g to per liter of salt solution. Under the optimum culture conditions, the sclerotia dry weight increased from 5.36 g to 9.70 g per 100 g dry substrate, the carotenoid yield from 2149 micrograms to 5260 micrograms per 100 g dry substrate, the proportion of beta-carotene in carotenoids from 61.4% to 71.3%.
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