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proline (Pro P)


Term: proline (Pro P)
Literally meaning: “pertaining to fire”
Origin: Anc Greek

proline
πυρ/pyr(=fire, redish) because proline is derived from pyrrolidin (C4H9N), a pyrrole with derivatives such as porphyrin and heme have red color.
Coined/History 
Proline was synthesized in 1900 by Richard Martin Willstatter (1872-1942) . One year later it was isolated from natural source (casein) by Hermann Emil Fischer (1852-1919).  In 1904 Fischer proposed the term “proline” as the previous one (α-pyrrolidin-carbonsaure) was too long for use.
Definition
Proline is a non-essential amino acid  which is necessary for collagen formation through hydroxyproline. The body biosynthesized proline from glutamic acid. 

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