Natural Colors Sourcing from Biological Resources
9 Questions
0 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 main reason for the preference of natural colors over synthetic dyes?

  • They have a longer shelf life
  • They are non-toxic and environmentally friendly (correct)
  • They are more affordable than synthetic dyes
  • They have a wider range of colors

    • Which of the following is not mentioned as a source of natural pigments?

  • Saffron
  • Marigold
  • Paprika
  • Turmeric (correct)

    • What was the first microbial resourced dye mentioned in the text?

  • Carmine
  • Indigo (correct)
  • Turmeric
  • Saffron

    • What is the potential advantage of using microbes as a source of colored compounds?

    <p>Rapid proliferation and potential for standardized mass production</p> Signup and view all the answers

    What is the primary reason for the increased societal concern surrounding synthetic food dyes?

    <p>Negative impact on health</p> Signup and view all the answers

    Which plant serves as the source of natural green color?

    <p>Spinach</p> Signup and view all the answers

    What did Ensley et al. (1983) develop to meet the growing demand for indigo?

    <p>'Blue E' dye</p> Signup and view all the answers

    Which of the following is NOT a reason for the preference of natural colors over synthetic dyes?

    <p>Affordability</p> Signup and view all the answers

    Which type of color has been sourced from marigold?

    <p>Yellow</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser