Marine Bioproducts Quiz
5 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the composition of marine lecithins which makes them natural emulsifiers for cosmetics?

  • Mixture of amino acids and peptides
  • Mixture of phospholipids comprising predominantly long-chain and highly unsaturated fatty acids esterified on the glycerol backbone (correct)
  • Simple alcohols and fatty acids
  • Polysaccharides and glycoproteins

    • What are the major functions of surfactants and emulsifiers in cosmetics and cosmeceuticals?

  • Enhancing fragrance, color, and texture of the products
  • Providing UV protection
  • Emulsification, foaming, wetting, dispersion, and solubilization of hydrophobic compounds (correct)
  • Increasing the shelf life of the products

    • Which marine component is a major source for thickeners, stabilizers, and gelling agents in cosmetics and pharmaceuticals?

  • Marine sponges
  • Coral reefs
  • Marine algae
  • Seaweeds (correct)

    • What are the properties of surfactants and emulsifiers that make them suitable for various applications in cosmetics and cosmeceuticals?

    <p>Amphiphilic compounds containing both hydrophilic and hydrophobic properties</p> Signup and view all the answers

    What is the composition of marine lecithins that contributes to their effectiveness as natural emulsifiers in cosmetics?

    <p>Predominantly long-chain and highly unsaturated fatty acids esterified on the glycerol backbone</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser