Dergiler / International Journal of Chemistry and Technology / 2018 / Cilt: 2 - Sayı: 1

Co-Immobilization of pullulanase, glucoamylase and glucose isomerase together with cross-linked enzyme aggregates: Fructose conversion from three enzymes and starch in one step

Sayfa
63–67
Yayın Tarihi
2018-06-27
DOI
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At the end of 30 days, the storage stabilities of combi-CLEAs [(GA + PUL) + GI] was determined as 56% and 13% at the temperatures of 4 and 25°C, respectively.

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Amaç & Hipotez:In this study, in order to obtain fructose syrup from starch, pullulanase (PUL), glucoamylase (GA) and glucose isomerase (GI) were immobilized together with cross-linked enzyme aggregates (CLEAs), and named as 'combi-CLEAs'.
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Temel Bulgular & Veri:The values of Vmaxand Kmfrom the kinetic parameters of combi-CLEAs [(GA + PUL) + GI] were found as 12 U g-1 and 0.1157 mg ml-1 in optimum conditions, respectively.
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Sonuç & Katkı:At the end of 30 days, the storage stabilities of combi-CLEAs [(GA + PUL) + GI] was determined as 56% and 13% at the temperatures of 4 and 25°C, respectively.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Combi-CLEA · HFS · Enzyme immobilization

Abstract

In this study, in order to obtain fructose syrup from starch, pullulanase (PUL), glucoamylase (GA) and glucose isomerase (GI) were immobilized together with cross-linked enzyme aggregates (CLEAs), and named as 'combi-CLEAs'. The values of Vmaxand Kmfrom the kinetic parameters of combi-CLEAs [(GA + PUL) + GI] were found as 12 U g-1 and 0.1157 mg ml-1 in optimum conditions, respectively. After 50 uses, it was observed that the remaining activity of combi-CLEAs [GA + PUL + GI] was preserved at 46%. The thermal stability of combi-CLEAs [GA + PUL) + GI] was observed to be 44% and 30%, respectively, at 60 and 80 ° C after 24 hours. At the end of 30 days, the storage stabilities of combi-CLEAs [(GA + PUL) + GI] was determined as 56% and 13% at the temperatures of 4 and 25°C, respectively.

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Bu Makaleye Atıf Yap

AKKOÇ, Y., TÜKEL, S. S. (2018). Co-Immobilization of pullulanase, glucoamylase and glucose isomerase together with cross-linked enzyme aggregates: Fructose conversion from three enzymes and starch in one step. International Journal of Chemistry and Technology, Cilt: 2 - Sayı: 1, 63–67. https://ajindex.com/articles/765721

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