Propanol, isobutanol and
isoamyl alcohols are the main components of the higher alcohols
group in wine. At high levels (above 300 mg/L), fusel alcohols have
an adverse impact, but at moderate levels, they contribute desirable
notes of wine flavour (Clarke & Bakker, 2004). Propanol production
peaked in the second batch (B2) and decreased in subsequent ones,
but exceeded the concentration reached with free cells (F).
Propanol, isobutanol andisoamyl alcohols are the main components of the higher alcoholsgroup in wine. At high levels (above 300 mg/L), fusel alcohols havean adverse impact, but at moderate levels, they contribute desirablenotes of wine flavour (Clarke & Bakker, 2004). Propanol productionpeaked in the second batch (B2) and decreased in subsequent ones,but exceeded the concentration reached with free cells (F).
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