Recovery of 6-pentyl-alpha-pyrone fromTrichoderma viride culture medium by perevaporation |
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| Authors: | G Bengtson K W Böddeker H -P Hanssen I Urbasch |
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| Institution: | 1. GKSS-Forschungszentrum, 2054, Geesthacht, Germany
2. IMB-Industrielle Mikrobiologie & Biotechnologie, 2070, Gro?hansdorf, Germany
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| Abstract: | Summary Cultivation ofTrichoderma viride yields the volatile lactone 6-pentyl-alpha-pyrone (6-PP) as principal metabolite in concentration of up to 1 g/l. Separation
and enrichment of 6-PP from the culture medium is effected by pervaporation through hydrophobic membranes. Virtually complete
removal of 6-PP from inactive culture medium is achieved by batch pervaporation. Unlike steam distillation, pervaporation
may be directly coupled to the active fermenter. |
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