Question

what's th reason that raw green tomatoes turn red after few days​

Answer 1

Answer:

This is due to the breakdown of chlorophyll, which in turn synthesises a red carotenoid (another pigment group), lycopene. When ripe, the carotenoid can easily be seen as the dominant colour of the tomato, ie red.

Answer 2

Raw green tomatoes become red if it remains in the plant. The process of photosynthesis has a great purpose in this.

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