The Improvement of Bioethanol Production by Pentose-Fermenting Yeasts Isolated from Herbal Preparations, the Gut of Dung Beetles, and Marula Wine

Table 3

Effect of acetic acid and temperature on growth of selected yeasts with L-arabinose as carbon source.

Yeasts	Acetic acid (g/L)^a	Temperature (°C)^b
C. tropicalis Kp42ey	1	35
C. terrestris C11Y	–	30
C. terrestris C12Y	–	30
C. terrestris CW1	–	30
C. terrestris CW2	–	37
M. caribbica D4WPO1	3	30
M. caribbica D14W2	3	40
M. caribbica D14YE1	3	37
M. caribbica D14YE2	3	37
M. caribbica D14YE6	3	40
M. caribbica D28L3	3	40
M. caribbica D28L4	3	40
M. caribbica Mu 2.2f	3	40
S. stipitis NRRL Y-7124	1	35

a: maximum acetic acid concentration at which the yeast was able to grow; b: maximum temperature where growth still occurred.