Media components and amino acid supplements influencing the production of fruity aroma by Geotrichum candidum
Braz. j. microbiol
;
37(4): 494-498, Oct.-Dec. 2006. tab
Article
in English
| LILACS
| ID: lil-442200
ABSTRACT
The ability of Geotrichum candidum to produce fruity aroma in food grade sucrose, molasses, corn steep liquor and peptone based culture media was tested by sensory evaluation and analyzed by gas chromatography mass spectrometry. A strong and sweet fruity aroma was produced from molasses, with peptone or corn steep liquor stimulating aroma production. Molasses with peptone supplemented with leucine, valine, or alanine yielded better fruity aroma production and the presence of many esters was consistent with the fruity aroma production.
RESUMO
Geotrichum candidum foi cultivado em diversos meios de cultura contendo sacarose ou melaço e milhocina ou peptona e a produção de aroma frutal foi verificada através de avaliação sensorial e cromatografia gasosa acoplada a espectrometria de massas. Os meios contendo melaço, peptona e leucina, valina ou alanina apresentaram os melhores resultados e a presença de diversos ésteres foi consistente com a formação de aroma frutal.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Spectrum Analysis
/
In Vitro Techniques
/
Molasses
/
Aromatase
/
Clinical Enzyme Tests
/
Geotrichum
/
Amino Acids
Language:
English
Journal:
Braz. j. microbiol
Journal subject:
Microbiology
Year:
2006
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Universidade Federal do Rio de Janeiro/BR
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