1.Selected testing times reported in the method below are appro priate to provide estimates of original extract (OE) and apparent extract (AE) using SMA and He-Bru yeast strains and a nonlin ear logistic model.rn2.A t test revealed no significant difference between the apparent degree of fermentation (ADF) values for the two yeast strains (mean value of 0.83). The ADF within-lab error or repeatabil ity values averaged 0.019 and 0.022 for the SMA and He-Bru strains, respectively. The reproducibility or between-lab error (standard deviation) for the ADF values was 0.028 and 0.022 for the SMA and He-Bru strains, respectively.
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