By
contrast, the isobutanol concentration differed little from B3 to B5
and also between the run with free cells and the first and second
batch with immobilized cells (B1eB2) dwhere it was greater.
Finally, the production of isoamyl alcohol was minor in batches
B3eB5 and that of 2-phenylethanol in the first with immobilized
yeasts (B1).