Download Amino Acids: Chemistry, Biology and Medicine by Sir Leslie Fowden (auth.), Gert Lubec, Gerald A. Rosenthal PDF

By Sir Leslie Fowden (auth.), Gert Lubec, Gerald A. Rosenthal (eds.)

The research of amino acids is of basic curiosity to scientists from many various fields. This curiosity derives from their function because the easy materials of proteins as well as their skill to function development blocks for the construction of many periods of secondary metabolites. they could help the biosynthesis of a myriad of typical items together with non-protein amino acids, cyanogenic glycosides, pharmacologically energetic alkaloids, definite phenols, purines and pyrimidines, nucleic acids. condensed tannins, lignins and different metabolites.
The contributions contained during this paintings originate from the 1st overseas Congress in Amino Acid study. This choice of papers will entice researchers within the fields of biochemistry, vascular and cellphone biology, body structure, pharmacology, endocrinology and scientific drugs.

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19. Lambein F and De Vos B (1981) Arch. Int. Physiol. Biochim. 89(2): 66-67. 20. ) Lathyrus and Lathyrism. Third World Medical Research Foundation. New York. pp. 315-317. 21. Virtanen AI. Berg AM and Kari S (1953) Acta. Chern. Scand. 7: 1423-1424. 22. Brown EG and Al-Baldawi F (1977) Biochem. J. 164: 589-594. 23. Ahmad MAS. Maskall CS and Brown EG (1984) Phytochemistry 23: 265. 24. Ikegami F. Kaneko M. Lambein F. Kuo YH and Murakoshi I (1987) Phytochemistry 26: 26992704. 25. Pilbeam DJ and Bell EA (1979) Pytochemistry 18: 973-985.

Pp. 225-239. 32. Kuo YH. Lambein F. Ikegami F and Van Parijs R (1982) Plant Physiol. 70: 1283-1289. 33. Schenk S (Personal communication). 34. Wilson MF and Bell EA (1979) Phytochemistry 18: 1883-1884. 35. Srivastava PN. Lambein F and Auclair JL (1988) Entomol. Exp. Appl. 48: 109-115. g. NH-acidic heterocycles, to give novel heterocycles containing a,a-disubstituted a-amino acids. These reactions proceed via fonnation of an intennediate aziridine, which is rearranged to a bicyclic zwitterion. This zwitterion is the key intennediate in all reactions proceeding via cleavage of the C=N bond of 1.

Sativus were grown in a medium with increasing osmotic potential (NaCl, mannitol or PEG 20 000) the concentration of many amino acids increases about two-fold [29]. When NaCI or mannitol is used as the osmoticum, homoserine and its derivatives seem to act as the major osmotic compounds: these compounds making up 70% or more of the free amino acid pool [30]. When PEG is used as the osmoticum, there is also a marked increase in proline and ODAP concentration. This increase in ODAP concentration under osmotic stress may also indicate an increased toxicity of L.

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