AbstractEleven different strains of Penicillium were screened for production of mannitol. All strains produced both mannitol and glycerol. Some of the strains also produced arabitol and/or erythritol in lower amounts. The highest amount of mannitol (43 g dm−3) was produced byPencillium scabrosumIBT JTER 4, and the highest combined yield of mannitol and glycerol (65 g dm−3) was obtained withPencillium aethiopicumIBT MILA 4 when grown on 150 g dm−3sucrose and 20 g dm−3yeast extract. These yields are comparable to yields obtained with Aspergillus strains after a considerable optimization effort. It is thus likely that biotechnological production of mannitol may benefit from the development of suitablePenicillium
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