Research Article

Microbial Purification of Postfermentation Medium after 1,3-PD Production from Raw Glycerol

Table 1

Compounds of postfermentative broth after 7 days of cultivation of the isolates.

Strain numberUtilization levelTime*
Butyric acidAcetic acidLactic acidEthanol1,3-PDGlycerol

1++++++++24 h
2++++++NA
3++++++NA
5++++++NA
6++++NA
7++NA
9+++++++NA
11+++++NA
12+++++++ 96 h
15++++++++120 h
17++++NA
19+++++++96 h
21+++NA
25++++NA
29++++NA

+++: complete utilization.
++: utilization of more than 50%.
+: insignificant utilization (<10%).
−: lack of utilization.
*Time until 90% organic acids utilization.
NA: not applicable.