Question

why the colour of onion is changed when it is left outside after cutting​

Answer 1

Answer:

The red color (a*) of the outer layer of onion bulbs changed significantly when the drying temperature was increased. However the value of L* and b* changed in a fluctuating way based on the temperature. The change of onion colors was influenced by temperature and moisture content during the drying process

Explanation:

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Answer 2

Answer:

The colour of the onion changes due to the temperature and moisture.

Additional information about onion :

Why we get tears while cutting onion ?

Answer: Because onion contains sulphur , when onion is cutted ,it reacts with oxygen in the atmosphere . So it forms Sulphur di oxide . Hence we get tears in our eyes.

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