14 Questions
What is the primary function of lecithin in food?
Improve texture
Which of the following is NOT a source of lecithin?
Beef
How is lecithin extracted chemically?
Using ethanol as a solvent
What structures can the phospholipids in lecithin form in aqueous solution?
Liposomes
What property classifies lecithin as a surfactant?
Amphipathic
What role does lecithin play in cooking?
Emulsifying mixtures
What is the solubility of lecithin in water?
Low solubility
What type of substances are lecithins, based on their ability to attract both water and fatty substances?
Amphiphilic
Which of the following is NOT a glycerophospholipid component of lecithin?
Phosphatidylmethionine
What is the primary purpose of lecithin in emulsifying liquid mixtures?
Smoothing textures
Which solvent is NOT commonly used for chemically extracting lecithin?
Methanol
In what structures can the phospholipids of lecithin NOT form in aqueous solution?
Nanotubes
Which of the following oils is NOT a common source of lecithin?
Olive oil
What type of surfactant is lecithin usually classified as?
Amphipathic
Explore the properties and uses of lecithin, a group of yellow-brownish fatty substances found in animal and plant tissues. Learn about their role in smoothing food textures, emulsifying, homogenizing liquid mixtures, and more.
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