| 摘要 |
A method for selectively determining a fungal biomass by detection of a fungal enzymatic activity that is present in substantially all fungal species, such as enzymes involved in chitin metabolism (chitinase, chitin synthase, chitosanase, N-acetyl-glucosaminidase and .beta.-N-acetylhexosamidase). The invention can be used for detecting a fungal biomass in environmental samples, food products, plant materials, building materials, industrial fungal cultures or sample from a human being or animal including blood samples. In particular, 4-methylumbelliferyl-N-acetyl-.beta.-D-glucosaminide is used as substrate for .beta.-N-acetylhexosamidase (EC 3.2.1.52). This enzyme activity correlates with the amount of fungal biomass present in a sample.
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