Characterization of volatile compounds produced by Rhizopus strains grown on agro-industrial solid wastes

Citation
P. Christen et al., Characterization of volatile compounds produced by Rhizopus strains grown on agro-industrial solid wastes, BIORES TECH, 71(3), 2000, pp. 211-215
Citations number
23
Categorie Soggetti
Biotecnology & Applied Microbiology
Journal title
BIORESOURCE TECHNOLOGY
ISSN journal
09608524 → ACNP
Volume
71
Issue
3
Year of publication
2000
Pages
211 - 215
Database
ISI
SICI code
0960-8524(200002)71:3<211:COVCPB>2.0.ZU;2-4
Abstract
Four edible Rhizopus strains were cultivated on eight combinations of solid agro-industrial wastes (cassava bagasse, apple pomace), soyabean, amaranth grain and soyabean oil. Significant differences in growth were observed am ong strains on the different media studied. The medium containing cassava b agasse with soyabean (5:5 w/w) gave the highest CO2 production, while Rhizo pus oryzae ATCC 34612 was the best producer of volatiles. The aromas of the cultures were light and rather pleasant. The amaranth medium with mineral salts solution produced the highest amount of volatile compounds (VC), demo nstrating that the aroma of fermented solid substrates can be improved. The VC production was very rapid, attaining, in most of the cases, its maximum around the first day of culture. These maxima markedly varied according to the medium used. (C) 1999 Elsevier Science Ltd. All rights reserved.