Question

Which scientists extracted green coloured substance from green leaves

Answer 1

Joseph Caventou and Pierre Joseph Pelletier extracted green coloured substance from green leaves.

Explanation:

• Joseph Caventou was a French chemist.

• He was a professor of the school of pharmacy in Paris.

• Pierre-Joseph Pelletier was a 'French chemist' and pharmacist who did various research on vegetable alkaloids.

• In 1817, both the scientist worked together and isolated the green colour pigments from the plants leaves.

• The green coloured pigment in the leaves is called chlorophyll. Chlorophyll is present in plants, algae and cyanobacteria.

• They are light 'absorbing molecules' that help in the process of food making (photo synthesis) by trapping the Sun light.

Learn more about chlorophyll

What does excitation of chlorophyll mean?

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Why does chlorophyll appear green in reflected light and red transmitted light.? explain the significance of these phenomena in terms of photosynthesis ​

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Answer 2

In 1817, Joseph Bienaime and Pierre Joseph Pelletier first invented chlorophyll from green plant.

Explanation:

After that from 1905 to 1915, the general structure was discovered by Richard Willstatter.

Chlorophyll is a pigment that is vital for photosynthesis that helps the plants to absorb energy that are emitted from sun which helps them to prepare food.

Chlorophyll mainly present in the thylakoid membrane of chloroplast.