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.
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.