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Key Documents

O7125

Sigma-Aldrich

L-Ornithine L-aspartate salt

≥98% (TLC)

Synonym(s):

(S)-2,5-Diaminopentanoic acid L-aspartate salt

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About This Item

Empirical Formula (Hill Notation):
C9H19N3O6
CAS Number:
Molecular Weight:
265.26
EC Number:
MDL number:
UNSPSC Code:
12352209
PubChem Substance ID:
NACRES:
NA.26

product name

L-Ornithine L-aspartate salt, powder

Assay

≥98% (TLC)

form

powder

color

white to off-white

storage temp.

2-8°C

SMILES string

NCCC[C@H](N)C(O)=O.N[C@@H](CC(O)=O)C(O)=O

InChI

1S/C5H12N2O2.C4H7NO4/c6-3-1-2-4(7)5(8)9;5-2(4(8)9)1-3(6)7/h4H,1-3,6-7H2,(H,8,9);2H,1,5H2,(H,6,7)(H,8,9)/t4-;2-/m00/s1

InChI key

IXUZXIMQZIMPSQ-ZBRNBAAYSA-N

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Biochem/physiol Actions

L-Ornithine L-aspartate is a metabolite of arginine degradation by arginase. It has been shown to reduce blood ammonia concentrations by increasing ammoniadetoxification in the muscle and reducing the severity of hepatic encephalopathy in cirrhosis.

Other Notes

Product of arginine degradation by arginase

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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José Luis Pérez Hernández et al.
Annals of hepatology, 10 Suppl 2, S66-S69 (2012-01-18)
Introduction. Hepatic encephalopathy (HE) refers to a complex neuropsychiatric syndrome that is progressive but potentially reversible and may have a significant impact on quality of life, as it is characterized by alterations in cognitive function, behavior and personality as well
Imre Fehérvári et al.
Magyar sebeszet, 65(2), 58-62 (2012-04-20)
About 6500-7000 people/year die in Hungary due to liver cirrhosis which is often complicated with hepatic encephalopathy (HE). While conventional interpretation is that hepatic encephalopathy is a consequence of high blood ammonia level, recent data indicate that the degree of
Takeyori Saheki et al.
Scientific reports, 9(1), 4179-4179 (2019-03-14)
Previous studies using citrin/mitochondrial glycerol-3-phosphate (G3P) dehydrogenase (mGPD) double-knockout mice have demonstrated that increased dietary protein reduces the extent of carbohydrate-induced hyperammonemia observed in these mice. This study aimed to further elucidate the mechanisms of this effect. Specific amino acids
Shahab Abid et al.
Journal of the College of Physicians and Surgeons--Pakistan : JCPSP, 21(11), 666-671 (2011-11-15)
To evaluate the efficacy of L-ornithine-L-aspartate (LOLA) as an adjuvant therapy in cirrhotic patients with hepatic encephalopathy (HE). Randomized placebo controlled study. The Aga Khan University Hospital, Karachi in the year 2003-2004. Patients with HE were randomized to receive LOLA
Bin Zhang et al.
Bioresource technology, 284, 204-213 (2019-04-03)
l-ornithine, an important amino acid, is widely used in food and medicine industries. l-ornithine production mainly relies on microbial fermentation, which may not meet the industrial requirement owing to the poor fermentation ability of available strains. Herein, mscCG2 deletion, CgS9114_12202

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