Correct option is B
The correct is (b) Anthocyanins.
Explanation:
Anthocyanins are natural pigments that determine the colors of fruits and vegetables.
- These pigments belong to the flavonoid group and are responsible for the red, blue, purple, and violet hues found in many fruits and vegetables.
- Their color varies depending on the pH of the plant tissue:
- Acidic pH → Red (e.g., strawberries, cherries).
- Neutral pH → Purple (e.g., grapes, eggplant).
- Alkaline pH → Blue (e.g., blueberries).
Information Booster:
Other Pigments in Fruits & Vegetables:
- Chlorophyll – Green colour (found in leafy vegetables like spinach).
- Carotenoids – Yellow, orange, and red hues (found in carrots, tomatoes).
- Flavonoids – Various colours including white and yellow (found in onions and apples).
Health Benefits of Anthocyanins:
- Antioxidant properties – Help in reducing oxidative stress.
- Heart health – Improve cardiovascular function.
- Anti-inflammatory effects – Help in reducing inflammation-related diseases.
Additional Knowledge:
Hemocyanin is a blue respiratory pigment found in arthropods and mollusks, not plants.
Indocyanine is a synthetic dye used in medical imaging, not a natural plant pigment.
Merocyanine is a synthetic dye used in chemistry, not responsible for fruit and vegetable colours.