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Questions and Answers
Which class of anthocyanin pigments is responsible for violet/blue flower and fruit coloration?
Which class of anthocyanin pigments is responsible for violet/blue flower and fruit coloration?
- Cyaniding type
- Pelargonidin type
- Anthocyanin type
- Delphinidin type (correct)
What is the main cause of blue coloration in flower petals?
What is the main cause of blue coloration in flower petals?
- Anthocyanins (correct)
- Delphinidin type pigments
- Flavonoid class metabolites
- Cyaniding type pigments
In the monomeric state, do anthocyanins show blue color in weak acidic and neutral pH?
In the monomeric state, do anthocyanins show blue color in weak acidic and neutral pH?
- No, never (correct)
- Only in the presence of delphinidin type pigments
- Sometimes, depending on the type of anthocyanin
- Yes, always
What is the main difference in the structure of the listed anthocyanin types?
What is the main difference in the structure of the listed anthocyanin types?
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Besides the presence of delphinidin type pigments, what else plays a significant role in the mechanism of blue color formation?
Besides the presence of delphinidin type pigments, what else plays a significant role in the mechanism of blue color formation?
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