lysine (lys K)
Biology

lysine (lys K)



Term: lysine (lys K)
Literally meaning: ?solvent?
Origin: Anc Greek
?????/lysis (=loosing) > ???/leo (to break up, to solve) a dissolution or a riot
Coined/History 
Lysine was isolated in 1889 by German dentist Heinrich Drechsel who named it?lysatin? and later (1891) ?lysine?
Definition
Lysine is a basic essential amino acid very important for proper growth. It plays an important role for calcium absorption, formation of collagen and carnitine (a nutrient responsible for fatty acids conversion into energy). Foods rich in lysine are meat , cheese, nuts, eggs, soybeans and spirulina. 




- Aspartate Or Aspartic Acid (asp Or D)
 Term: aspartic acid  (Asp or D) or L-AspartateLiterally meaning: ?pertaining to asparagine?Origin: Anc Greek??? ????????? (plant)/asparagos(asparagus) >???????(=vigor)Coined/History  Asparagine was isolated in 1806 by French chemist...

- Tryptophan (trp W)
Term: tryptophan (Trp W)Literally meaning: ?to be broken and to appear?Origin: Anc Greek?????/trivo (=to rub, to powder, to grind) > (simple past) ??????/etrips? >????/tryo(=to puncture)?????/pheno(=be visible, or obvious, show)Coined/History ...

- Threonine (thr T)
Term: threonine (Thr T)Literally meaning: ?pertaining to erythrose or pertaining to red?Origin: Anc Greek???????/erythros(=red)Coined/History  Threonine was discovered in 1930 by American nutritionist William Cumming Rose (1887-1985) in...

- Leucine (leu L)
Term: leucineLiterally meaning: ?pertaining to white?Origin: Anc Greek??????/leukos(=white)Coined/History  Leucine was isolated in 1818 by French chemist Joseph Louis Proust (1754-1855)  from cheese in a white crystalline state. Finally it...

- Trypsin
Term: trypsinLiterally meaning: ?protein of rubbing?Origin: Greek?????/trivo (=rub, powder, grind) > (simple past) ?????? /etrips? Coined/HistoryThe enzyme named in 1876 by Kuhne who first described an proteolytic activity of pancreatic extract by...



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