Podcast
Questions and Answers
What is the main reason for the preference of natural colors over synthetic dyes?
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?
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?
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?
What is the potential advantage of using microbes as a source of colored compounds?
What is the primary reason for the increased societal concern surrounding synthetic food dyes?
What is the primary reason for the increased societal concern surrounding synthetic food dyes?
Which plant serves as the source of natural green color?
Which plant serves as the source of natural green color?
What did Ensley et al. (1983) develop to meet the growing demand for indigo?
What did Ensley et al. (1983) develop to meet the growing demand for indigo?
Which of the following is NOT a reason for the preference of natural colors over synthetic dyes?
Which of the following is NOT a reason for the preference of natural colors over synthetic dyes?
Which type of color has been sourced from marigold?
Which type of color has been sourced from marigold?
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