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Why do maple leaves turn red in autumn? See the red leaf forest in Manshan

Every year, the late autumn season is the best time to watch the maple leaf. Is the red leaf full of mountains unique? The literati and poets of all ages also like the maple leaf. For example, Du Mu, a poet of the Tang Dynasty, likes to park in the maple forest late, and the frost leaves are red in February. 'wait, the beauty of maple leaf is loved by many people. The red maple leaf looks like a red ocean from afar, but do you know why it turns red?

Why do maple leaves turn red?

Every autumn, maple leaves turn red with the season. The reasons are mainly divided into three aspects:

1. Temperature factor. In late autumn, when the temperature drops rapidly to a certain extent, and the temperature difference between day and night is very large, the chlorophyll in maple leaves is destroyed, but it is helpful to the formation of anthocyanins, so maple leaves will easily change color.

2. Internal factors. There are two main substances that make maple leaves red, one is carotene and the other is anthocyanin. When the cell fluid becomes alkaline, the anthocyanin will be blue purple. When the cell fluid is acidic, the anthocyanin will be red.

In autumn, the anthocyanins in the leaves of maple increased, and the sudden drop of temperature destroyed the chlorophyll, so the green leaves became red leaves.

So, the reason why maple leaves turn red in autumn is the most important factor of climate. After listening to Xiaobian's explanation, did you suddenly feel much brighter?