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Table 3 Comparison of the ethanol content of Chlamydomonas sp. KNM0029C and those of other strains with different pretreatment protocols

From: Co-production of biodiesel and bioethanol using psychrophilic microalga Chlamydomonas sp. KNM0029C isolated from Arctic sea ice

Algal feedstockPretreatmentFermenting organismContent (%)
(g EtOH/g dry mass)
Gracilaria salicornia (Macro-)H2SO4 at 120 °C, cellulaseEscherichia coli KO117.9[45]
Spirogyra sp. (filamentous)Cellulose and amylaseSaccharomyces cerevisiae8[46]
Chlamydomonas reinhardtiiAmylase and glucoamylaseS. cerevisiae S288C23.5[21]
Chlorella vulgarisH2SO4 at 110 °C, cellulose and β-glucosidaseE. coli SJL252640[47]
C. reinhardtiiH2SO4 at 110 °CS. cerevisiae S288C29.1[48]
Chlorella minutissimaH2SO4 at 100 °CS. cerevisiae18.5[49]
ChlorellaH2SO4 at 120 °C, α-amylaseS. cerevisiae28.1[50]
Dunaliella tertiolecta
AmyloglucosidaseS. cerevisiae14[40]
Chlorella sp. KR-1
HCl at 121 °CS. cerevisiae16[44]
Chlamydomonas sp. KNM0029C
Sonication and amylaseS. cerevisiae21.6This study
Chlamydomonas sp. KNM0029C
Sonication and HCl at 121 °CS. cerevisiae17.6This study
Chlamydomonas sp. KNM0029C
Sonication and amylase, HCl at 121 °CS. cerevisiae17.3This study