Juice Clarification Extraction Is Facilitated By Using Cellulases – Food Science | KATTUFOODTECH

Food Science & Technology Quiz (27/01/2021)

Q1. Which Of The Following Statement Is/Are Correct About Enzyme?

A} An Enzyme Is A Protein And Is Used As A Catalyst To Accelerate The Reaction.
B}  Life Would Not Exist Without The Presence Of Enzymes.
C} Enzymes Participate In Cellular Metabolic Processes.
D} All Of The Above

Answer: D} All Of The Above

  • Enzymes Are Proteins That Act As Biological Catalysts (Biocatalysts). Catalysts Accelerate Chemical Reactions. The Molecules Upon Which Enzymes May Act Are Called Substrates, And The Enzyme Converts The Substrates Into Different Molecules Known As Products.

READ MORE – Food Science & Technology Quiz (12-01-2022)

Q2. Enzymes Or Cells Which Are Physically Confined To A Defined Region In Space While Retaining Their Catalytic Activity And Have The Ability To Be Repeatedly And Continuously Used Is Called As?

A) Immobilized Enzymes
B) Activation Energy
C) Isoenzymes
D) None Of The Above

Answer: A) Immobilized Enzymes

  • An Immobilized Enzyme Is An Enzyme Attached To An Inert, Insoluble Material—Such As Calcium Alginate

READ MORE – FOOD TECHNOLOGY (22-09-2021)

Q3. Which Of The Enzyme Combination Is Commercially Used For The Removal Of Oxygen?

A) Glucose Oxidase-Cellulase
B) Glucose Oxidase-Catalase
C) Glucose Oxidase-Lactase
D) All Of The Above

Answer: B) Glucose Oxidase-Catalase

  • Glucose Oxidase Catalyzes The Oxidation Of Β-D-Glucose To D-Glucono-Δ-Lactone Producing Hydrogen Peroxide (H2O2) As A By-Product, With Molecular Oxygen Acting As An Electron Acceptor.

READ MORE – Food Science & Technology Quiz (30-11-2021)

Q4. Juice Clarification Extraction Is Facilitated By Using?

A) Cellulases
B) Amylase
C) Inulinase
D) Lactase

Answer: A) Cellulases

  • Juice Clarification Extraction Is Facilitated By Using Cellulases. Pectinases, Cellulases And Hemicellulases, Collectively Called Macerating Enzymes, Are Used For Improvement In Pressing, Extraction And Clarification Of Fruit And Vegetable Juices

READ MORE – Food Science & Technology Quiz (26-11-2021)

Q5. Which Enzyme Is Used To Remove Residues Of Starch-Based Foods Like Potatoes, Spaghetti, Custards, Gravies, And Chocolate? This Type Of Enzyme Can Be Used In Laundry Detergents As Well As In Dishwashing Detergents?

A) Lipases
B) Amylases
C) Cellulases
D) Proteases

ANSWER B) Amylases

  • An Amylase Is An Enzyme That Catalyses The Hydrolysis Of Starch Into Sugars.

READ MORE – Food Science & Technology Quiz (28-11-2021)


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