Determination of optimum temperatures and activationenergies of inulin hydrolysis by endo-inulinase Aspergillus Niger

• Autorzy: Miłek Justyna

Identyfikatory

DOI

10.24425/CPE.2020.132545

• Języki publikacji: EN

Abstrakty

EN

The paper presents a comparative analysis to determine the optimal temperatures and the activationenergies for various origin endo-inulinases fromAspergillus niger. The parameters were estimatedbased on the literature of the activity curves vs. temperature for hydrolysis of inulin. It was assumedthat both the hydrolysis reaction process and the deactivation process of endo-inulinase were first-orderreactions by the enzyme concentration. A mathematical model describing the effect of temperature onendo-inulinases fromAspergillus nigeractivity was used. Based on the comparison analysis, valuesof the activation energies Ea were in the range from23:53+/-3:20kJ/mol to50:66+/-3:61kJ/mol, thedeactivation energies Ed were in the range from88:42+/-5:03kJ/mol to142:87+/-2:75kJ/mol andthe optimum temperatures Topt were obtained in the range from317:12+/-0:83K to332:55+/-0:72forendo-inulinase A. niger.

Słowa kluczowe

EN

endo-inulinase Aspergillus niger; optimum temperature; activation energy; deactivation energy

PL

endo-inulinaza Aspergillus niger; optymalna temperatura; energia aktywacji; energia dezaktywacji

• Wydawca: Komitet Inżynierii Chemicznej i Procesowej Polskiej Akademii Nauk
• Czasopismo: Chemical and Process Engineering
• Rocznik: 2020
• Tom: Vol. 41, nr 3
• Strony: 229--–236
• Opis fizyczny: Bibliogr. 16 poz., rys., tab.

Twórcy

autor

Miłek Justyna

• Department of Chemical and Biochemical Engineering,Faculty of Chemical Technology and Engineering, University of Science and Technology in Bydgoszcz, Seminaryjna 3, 85-326 Bydgoszcz, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).