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Isolation and Evaluation of Yeasts for Biomass Production from Bagasse Hemicellulose Hydrolysate

1992; Elsevier BV; Volume: 15; Issue: 1 Linguagem: Inglês

10.1016/s0723-2020(11)80154-2

1618-0984

P. S. Meyer, J. C. du Preez, Stephanus G. Kilian,

Microbial Metabolites in Food Biotechnology

A total of 26 yeast cultures, capable of utilising D-xylose or both D-xylose and L-arabinose in vitamin-free medium at 36 °C, were isolated from 250 samples originating from various localities. Six of these isolates, all identified as Candida blankii strains, were selected on the basis of their potential for biomass production from hemicellulose sugars. These isolates also utilised sucrose and acetic acid and grew well at 44 °C and at pH 3. These isolates were superior to C. utilis for biomass production from hemicellulose hydrolysates in that they utilised L-arabinose and were capable of growth at higher temperatures.