Ethanol and lactic acid fermentation of pure glucose (synthetic medium), wheat straw hydrolysate and freshly pretreated wheat straw and rice straw by parental and adapted strains. (a) S. cerevisiae Angel; conditions: ethanol fermentation was carried out for 12 h in each case at 37 °C in shaking condition, (b) Pediococcus sp., (c) Lactobacillus sp., (d) B. coagulans. Conditions: Lactic acid fermentation was carried out for 12 h in each case at 42 °C in shaking condition.