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Questions and Answers
What is the primary function of lecithin in food?
What is the primary function of lecithin in food?
- Add color
- Increase nutritional value
- Enhance flavor
- Improve texture (correct)
Which of the following is NOT a source of lecithin?
Which of the following is NOT a source of lecithin?
- Soybeans
- Egg yolk
- Beef (correct)
- Sunflower oil
How is lecithin extracted chemically?
How is lecithin extracted chemically?
- Using ethanol as a solvent (correct)
- Using vinegar as a solvent
- Using milk as a solvent
- Using water as a solvent
What structures can the phospholipids in lecithin form in aqueous solution?
What structures can the phospholipids in lecithin form in aqueous solution?
What property classifies lecithin as a surfactant?
What property classifies lecithin as a surfactant?
What role does lecithin play in cooking?
What role does lecithin play in cooking?
What is the solubility of lecithin in water?
What is the solubility of lecithin in water?
What type of substances are lecithins, based on their ability to attract both water and fatty substances?
What type of substances are lecithins, based on their ability to attract both water and fatty substances?
Which of the following is NOT a glycerophospholipid component of lecithin?
Which of the following is NOT a glycerophospholipid component of lecithin?
What is the primary purpose of lecithin in emulsifying liquid mixtures?
What is the primary purpose of lecithin in emulsifying liquid mixtures?
Which solvent is NOT commonly used for chemically extracting lecithin?
Which solvent is NOT commonly used for chemically extracting lecithin?
In what structures can the phospholipids of lecithin NOT form in aqueous solution?
In what structures can the phospholipids of lecithin NOT form in aqueous solution?
Which of the following oils is NOT a common source of lecithin?
Which of the following oils is NOT a common source of lecithin?
What type of surfactant is lecithin usually classified as?
What type of surfactant is lecithin usually classified as?
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