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Studies on rifamycin production by Amycolatopsis mediterranei cells immobilized on glass wool
Author(s) -
AbuShady Mohamed R.,
ElDiwany Ahmed I.,
Farid Mohamed A.,
ElEnshasy Hesham A.
Publication year - 1995
Publication title -
journal of basic microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.58
H-Index - 54
eISSN - 1521-4028
pISSN - 0233-111X
DOI - 10.1002/jobm.3620350502
Subject(s) - wool , glass wool , chemistry , rifamycin , chromatography , biochemistry , food science , materials science , antibiotics , organic chemistry , composite material , layer (electronics)
Cells of Amycolatopsis mediterranei CBS 42575 were immobilized on glass wool for the production of rifamycins B and SV. Glass wool (CORNING type) of 8 microns in diameter has a better entrapment capacity for microbial cells of microorganism than the other types of glass wool used. The most suitable amount of glass wool was 0.8 g/50 ml. The best initial cell concentration used as inoculum was 40 mg cells/50 ml. Repeated batch production of rifamycins by immobilized cells on glass wool was carried out for 6 repeated batches. The results showed that reduction of batch time from 96 h to 48 h does not decrease rifamycin production by immobilized cells.
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