Affiliation:
1. Universidade Federal do Paraná
2. ORSTOM (Institut Français de Recherche Scientifique pour le Développment en Coopération)
3. Universidad Autonoma Metropolitana
Abstract
Solid state fermentations were carried out to test the efficacy of Ceratocystis fimbriata to grow on different agro-industrial substrates and aroma production. Seven media were prepared using cassava bagasse, apple pomace, amaranth and soya bean. All the media supported fungal growth. While amaranth medium produced pineapple aroma, media containing cassava bagasse, apple pomace and soya bean produced a strong fruity aroma. The aroma production was growth dependent and the maximum aroma intensity was detected a few hours before or after the maximum respirometric activity. Sixteen compounds were separated by gas cromatography of the components present in the headspace and fifteen of them were identified as acid (1), alcohols (6), aldehyde (1), ketones (2) and esters (5).
Subject
General Agricultural and Biological Sciences,Microbiology
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