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Author Spotlight: Integrating Biochemical Functions of β-Glucanases and Peroxidase Enzymes in Wheat-RWA Interaction
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THERMAL STABILITY OF Cryptococcus albidus α-L-RHAMNOSIDASE.

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    Yeast alpha-L-rhamnosidase from Cryptococcus albidus shows modified thermal stability based on its synthesis inducer. This enzyme can be stabilized using bovine serum albumin and glutaraldehyde for improved industrial applications.

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    Area of Science:

    • Enzymology
    • Biochemistry
    • Food Science

    Background:

    • Alpha-L-rhamnosidases are crucial enzymes with significant industrial potential, particularly in food processing.
    • Enhancing the thermal stability of enzyme preparations is vital for optimizing industrial processes like juice and wine production.

    Purpose of the Study:

    • To investigate naringin hydrolysis by alpha-L-rhamnosidase from Cryptococcus albidus.
    • To explore thermal denaturation and stabilization strategies for this yeast enzyme.

    Main Methods:

    • Cultivating Cryptococcus albidus on naringin and rhamnose to obtain different enzyme forms.
    • Comparative analysis of enzyme properties, including thermal inactivation kinetics.
    • Assessing stabilization effects of bovine serum albumin and glutaraldehyde.

    Main Results:

    • The inducer of alpha-L-rhamnosidase synthesis did not affect naringin hydrolysis efficiency but influenced protein thermal stability.
    • Hydrophobic interactions and cysteine residues are key to maintaining the enzyme's active conformation.
    • Yeast alpha-L-rhamnosidase stability was enhanced by bovine serum albumin and glutaraldehyde.

    Conclusions:

    • Enzyme synthesis conditions impact thermal stability, not hydrolysis efficiency.
    • Specific molecular interactions stabilize the enzyme.
    • Potential for stabilizing yeast alpha-L-rhamnosidase for industrial use was demonstrated.