Abstract:
:Lipase (Glycerol ester hydrolase E.G. 3.1.1.3) from a Brazilian strain of Penicillium citrinum free of the mycotoxin citrinin has been investigated. Citrinin production was inhibited by using culture medium containing olive oil, soybean oil and corn oil as carbon sources. Potassium concentration and pH play an important role in citrinin production. Potassium concentration lower than 30 mM and pH below 4.5 inhibited the mycotoxin production. P. citrinum produced lipase free of extraneous proteins and citrinin when cultured using, as nitrogen source, ammonium sulphate (lipase activity of 7.88 U/mg) and yeast extract (lipase activity of 4.95 U/mg) with olive oil as carbon source. This data is relevant to the larger scale production of lipases for food technology applications, from Penicillium citrinum.
journal_name
Mycopathologiajournal_title
Mycopathologiaauthors
Pimentel MC,Melo EH,Lima Filho JL,Durán Ndoi
10.1007/BF00439123subject
Has Abstractpub_date
1996-02-01 00:00:00pages
119-21issue
2eissn
0301-486Xissn
1573-0832journal_volume
133pub_type
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