14 Questions
How is glucose prepared from inulin?
By acid hydrolysis
What is the method used to prepare fructose from sucrose?
Acid or Enzyme Hydrolysis
Which process is involved in the preparation of raw sugar from sugar-cane juice?
Crystallization with charcoal
How is lactose obtained for preparation?
From whey after concentration
What is the primary purpose of alkalinizing the juice of sugar cane?
To neutralize plant acids and avoid hydrolysis
How is starch prepared from Graminaceous fruits?
Through glutin removal with alkali
What is the purpose of the partial acid hydrolysis step in the preparation of glucose?
To convert starch into glucose
Which of the following is a key step in the preparation of fructose from sucrose?
Alkaline treatment of sucrose with Ca(OH)2
What is the purpose of heating the sugar cane juice with Ca(OH)2 during sucrose preparation?
To neutralize plant acids and avoid hydrolysis of sucrose
What is the role of charcoal in the refining of raw sugar?
To remove impurities and decolorize the sugar
How is lactulose, a semisynthetic sugar, prepared?
By alkaline rearrangement of lactose
What is the purpose of the alkali addition step in the preparation of starch from Graminaceous fruits?
To remove the gluten (protein) from the mixture
What is the primary purpose of concentrating the whey during the preparation of lactose?
To increase the yield of lactose crystals
What is the main difference between the preparation of fructose from glucose versus from sucrose?
The use of alkali versus acid hydrolysis
Learn about the complete and partial acid hydrolysis of starch, preparation of glucose, fructose, and cyclodextrins, and the different methods to obtain sugar from starch and sucrose. Explore the actions of specific enzymes and alkali in the sugar preparation process.
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