ACTIVITY 3M ENZYME CHEMISTRY CONNECTIONS Flashcards
What gas present in the atmosphere that brings browning to fruits and vegetables
OXYGEN
The browning reaction in some fruits and veg is due to enzyme called
Phenolase
What is the classification of the enzyme phenolase
Oxidoreductases
Phenolase hydroxylates phenol derivatives to
Catechol
0- Benzoquinone is a product of what reaction
When phenolase oxidizes phenol derivatives to 0- Benzoquinone
Enzymatic browning can be prevented in number of two ways. 3 processes mentioned in article
Immersing in cold water
in lemon juice extract
refrigeration
Present in lemon juice that functions as an antioxidant
Vit. C
What is this new approach under study for preventing enzymatic browning
Nanotechniques
What is the enzyme necessary for enzymatic browning to occur in vegetables and fruits?
phenolase enzyme
What is this aromatic chemical compound that serves as substrate for Phenolase and functions as antioxidants in apples?
phenols
What is this bacterium that can function in the highly acidic environment of the stomach?
Helicobacter pylon
What is the conventional treatment involved in stomach ulcers?
acid neutralization medication
What enzyme is present in the face of the bacterium H. pylori?
urease
What protects the enzyme present in H. pylori from acid attack in the stomach?
its cell wall
The treatment for an H. pylori infection involves not only the administration of ________ but also the use of _________.
antibiotic
acid production inhibitor
