Difference between revisions of "Leucine"
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== Description == | == Description == | ||
| − | An essential [http://cameo.mfa.org/materials/fullrecord.asp?name=amino | + | An essential [http://cameo.mfa.org/materials/fullrecord.asp?name=amino%20acid amino acid] that was first discovered in 1819. Leucine is a water-soluble amino acid that can be purified from [http://cameo.mfa.org/materials/fullrecord.asp?name=zein zein], hemoglobin, and [http://cameo.mfa.org/materials/fullrecord.asp?name=edestin edestin] to produce a white crystalline powder. Leucine is necessary for growth and maintaining the nitrogen balance. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 36: | Line 36: | ||
== Authority == | == Authority == | ||
| − | * | + | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 |
| − | * | + | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 |
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5475 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5475 | ||
Revision as of 06:28, 24 July 2013
Description
An essential amino acid that was first discovered in 1819. Leucine is a water-soluble amino acid that can be purified from zein, hemoglobin, and edestin to produce a white crystalline powder. Leucine is necessary for growth and maintaining the nitrogen balance.
Synonyms and Related Terms
LEU: alpha-amino-gamma-methylvaleric acid; alpha-aminoisocaproic acid
Other Properties
Soluble in water. Slightly soluble in ethanol. Insoluble in ether.
| Composition | C4H9CH(NH2)COOH |
|---|---|
| CAS | (l) 61-90-5; (d) 328-38-1 |
| Density | 1.293 |
| Molecular Weight | mol. wt. = 131.17 |
Hazards and Safety
Sensitive to light and moisture. Potential teratogen.
Fisher Scientific: MSDS
Authority
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5475
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998