Abstract:
:The effect of different levels of salt, sodium nitrite, polyphosphate and various sugars on growth, pigment production, protease activity and culture pH caused by Monascus purpureus was studied in broth medium and ground meat. The addition of sodium chloride (> 50.0 g l(-1)) and polyphosphate (> 3.0g l(-1)) to broth medium decreased mycelial growth, pigment production and protease activity of M. purpureus, whereas low concentrations of sodium nitrite (< 0.2 g l(-1)) promoted mycelial growth and pigment production. When the basal medium and ground meat contained salt, 150.0 g l(-1), the mould growth was stopped. The medium with fructose as carbon source proved to be the most suitable for mycelium growth and pigment production, with maltose and glucose being the second most productive. When sucrose and lactose were used as carbon sources, mycelium growth and pigment production were inhibited but the protease activity increased significantly. The mould showed more tolerance to salt and polyphosphate in ground meat than in broth medium and used sucrose as a carbon source as well as glucose for growth and pigment production in the meat mixture.
journal_name
J Appl Microbioljournal_title
Journal of applied microbiologyauthors
Tseng YY,Chen MT,Lin CFdoi
10.1046/j.1365-2672.2000.00821.xsubject
Has Abstractpub_date
2000-01-01 00:00:00pages
31-7issue
1eissn
1364-5072issn
1365-2672journal_volume
88pub_type
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