1) Twenty-two strains of moulds were isolated from the culm of bamboo plants and tested for their ability of growing on wax and paraffin which were added as the sole source of carbon.
2) Laboratory stock of ordinary mould species also were examined in this regard.
3) It was revealed that “cerophilic growth” i.e. the growth on wax, paraffin etc. which were added as the sole source of carbon was a feature not common among mould forms in general.
4) Allied substances other than wax and paraffin were also tested and found to be effective in supporting the growth of some of the moulds investigated.
5) Cerophilic growth on wax and paraffin was followed with cultures of Strain W1 and
Aspergillus flavus in regard to the increase in weight of mycelium and the consumption of added carbon sources was simultaneously measured over a period of seven weeks of incubation.
6) Effects of surface active substances on the cerophilic growth of Strain W1 and
Aspergillus flavus were investigated. The growth of the wax-inhabiting organism, W1, on paraffin was favorably affected by the addition of Tween 40 or Tween 80 to the culture medium.
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