Fig. 5

Contents of intracellular glycerol and trehalose (a) and cell viability (b) after different fermentation times (0–25 min) and freezing in LSMLD medium for 7 days. Measurement of yeast CO2 production in the lean dough after different periods of freezing (0–4 weeks) (c). Data are expressed as the mean ± SD (indicated as error bars) of three independent experiments