Chlorophyll - What's this green thing?
What's this green thing?
Pierre Joseph Pelletier and Joseph Biernaime Caventou were French chemists who worked together in the early nineteenth century in a new field called pharmacologyThe science dealing with the properties, reactions, and therapeutic values of drugs., the science of preparing medical drugs. These chemists would later discover quinine, caffeine, and other specialized plant products. In 1817, however, they isolated an important plant substance they called chlorophyll, from the Greek words meaning "green leaf." Scientists first thought that chlorophyll was distributed throughout plant cells. But in 1865 the German botanist Julius von Sachs discovered that this pigment is found within sacs called chloroplastsSmall structures in plant cells that contain chlorophyll and in which the process of...
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