Hansenula spp

Fungal mannans, such as that of Saccharomyces cerevisiae contain occasional phosphate residues which are present as diesters, linking two sugar residues (see Chapter 4). In Hansenula spp. this structure is frequent, so that phosphate diester links can occur every two or three mannosyl residues in some parts of the mannan. They are attached to C-1 and C-6 of mannosyl residues which are otherwise al,2-linked, so there is close resemblance to other, less phosphorylated, fungal mannans. 

Acid formation Species of Brettanomyces, Hansenula, Pic Ilia, Saccharomyces As a contaminant in wines. Brettanomyces spp. Forms a higher concentration of volatile acids (also isobutyiic and isovaleric acids) than S. cerevisiae. Pichia species and other yeasts are responsible for acetic acid production in brines of domestic green olives not lactobacilli, as assumed for years (Vaughn et al., 1976). 

Pachysolen lonnophilus lipomices spp. Hansenula capsulotg H. HolstiT Cryptococcus spp. Torulopsis molischiona T. Pinus... 

Hansenula anomala, Pseudomonas spp.. Bacillus subtilis, Torulopsis Candida, Bacillus subtilis, and Bacillus licheniformis ... 

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