Selection of method for obtaining an act
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Janusz Szczodrak; Adrian Wiater
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Article
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1998
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John Wiley and Sons
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English
โ 65 KB
๐ 2 views
Crude lactase (ฮฒ-galactosidase) preparations of Penicillium notatum 1 were obtained from the culture supernate by means of concentration under reduced pressure, freeze-drying, fractional precipitation with alcohols (methanol, ethanol, propanol, isopropanol) and acetone, ammonium sulfate salting out,