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Biological utilisation of fatty waste - initial laboratory examination

100%

Latala A., Wierzba S., Latala B.

Biotechnologia

2000

issue 1

124-134

This article presents the process of biodegradation of aliphatic substances in oily bleaching soil. For the experiment, oily bleaching soil from the NZPT (a fat-processing plant) from the town of Brzeg was used. Its characteristic features were a high aliphatic substance content and low (3.8-4.5) pH. By means of experiment three composites of bacteria and yeast were prepared with the use of field and library strains. In a 44-day process, the mixture of field and library strains caused the aliphatic substance content in the oily bleaching soil to drop by 69-71%. The application of bacterial and yeast strains proved efficient for the aliphatic low-pH waste.

Proteolytic enzymes of cheese starter microflora

88%

Chrzanowska J., Wojtatowicz M.

Biotechnologia

1999

issue 2

131-144

In this review proteolytic enzymes of starter microflora involved in cheese ripening are described. The best known system is the proteolytic system of primary starter represented by mesophilic and thermophilic lactic acid bacteria. An important role in the ripening of some kind of cheeses is played by enzymes of secondary starter represented by propionic acid bacteria, Brevibacterium linens and some strains of fungi of Penicillium genus. The extent of proteolysis and flavour development in cheese depends on the activity and specificity of all these proteases.

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2 Biotechnologia

1 2000

1 1999

1 Chrzanowska J.

1 Latala A.

1 Latala B.

1 Wierzba S.

1 Wojtatowicz M.

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Biological utilisation of fatty waste - initial laboratory examination

Proteolytic enzymes of cheese starter microflora