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Reactor and microreactor performance and kinetics of the aldol addition of dihydroxyacetone to benzyloxycarbonyl-N-3-aminopropanal catalyzed by D-fructose-6-phosphate aldolase variant A129G (CROSBI ID 257234)

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Sudar, Martina ; Findrik, Zvjezdana ; Szekrenyi, Anna ; Clapés, Pere ; Vasić-Rački, Đurđa Reactor and microreactor performance and kinetics of the aldol addition of dihydroxyacetone to benzyloxycarbonyl-N-3-aminopropanal catalyzed by D-fructose-6-phosphate aldolase variant A129G // Chemical engineering communications, 206 (2019), 7; 927-939. doi: 10.1080/00986445.2018.1538975

Podaci o odgovornosti

Sudar, Martina ; Findrik, Zvjezdana ; Szekrenyi, Anna ; Clapés, Pere ; Vasić-Rački, Đurđa

engleski

Reactor and microreactor performance and kinetics of the aldol addition of dihydroxyacetone to benzyloxycarbonyl-N-3-aminopropanal catalyzed by D-fructose-6-phosphate aldolase variant A129G

D-Fagomine is an iminosugar found in nature that lowers blood glucose peak after meal and reduces fat-induced weight gain and insulin resistance. The immediate precursor of D- fagomine is accessible straightforward via D- fructose-6-phosphate aldolase catalyzed aldol addition of dihydroxyacetone to Cbz-N-3- aminopropanal (Cbz = benzyloxycarbonyl). In this work, the performance and kinetics of the abovementioned reaction catalyzed by FSA A129G variant was studied. The reaction was investigated in two reactors ; batch reactor and microreactor, and kinetic parameters were estimated from the steady state experiments in the batch reactor. This enzyme has improved stability, better Km value for Cbz-N-3- aminopropanal and lower retro-aldol activity in comparison with previously studied aldolase variants FSA A129S and A129S/A165G. Mathematical model for both reactors was developed and validated experimentally.

FSA ; kinetic parameters ; kinetic model ; batch reactor ; microreactor

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Podaci o izdanju

206 (7)

2019.

927-939

objavljeno

0098-6445

1563-5201

10.1080/00986445.2018.1538975

Trošak objave rada u otvorenom pristupu

APC

Povezanost rada

Biotehnologija, Kemijsko inženjerstvo

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