L-Glutamine, with the IUPAC Name of (2S)-2,5-Diamino-5-oxopentanoic acid, is one kind of white crystalline powder. And its Classification Code are including Dietary supplement; Drug / Therapeutic Agent; Human Data; Mutation data. L-Glutamine is the most abundant amino acid (building block of protein) in the body. The popular amino acid L-Glutamine is found in protein powders, beans, meats, fish, poultry, dairy products, and of course. It is used in the gut and immune system to maintain optimal performance. 60% of free-form amino acids floating in skeletal muscles is L-Glutamine.
1. Physical properties about L-Glutamine

Name:L-Glutamine

EINECS:200-292-1

Molecular Formula:C5H10N2O3

CAS Registry Number:56-85-9 

InChI:InChI=1/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H2,7,8)(H,9,10)/t3-/m0/s1

HS Code:29241900

Appearance:white powder

Molecular Weight:146.14

Density:1.321g/cm3

Boiling Point:445.6℃at760mmHg

Melting Point:185℃

Flash Point:185℃

Alpha:32.25 °(C=10, 2 N HCL)

Storage Temperature:20°C

Refractive index:6.8 ° (C=4, H2O)

Solubility:H2O: 25 mg/mL

Stability:Stability Moisture and light sensitive. Incompatible with moisture, strong oxidizing agents.

Usage:One of the 20 amino acids encoded by our genetic code. A non-essential amino acid.  L-Glutamine is an essential amino acid that is a crucial component of culture media that serves as a major energy source for cells in culture. L-Glutamine is very stable as a dry powder and as a frozen solution. In liquid media or stock solutions, however, L-glutamine degrades relatively rapidly. Optimal cell performance usually requires supplementation of the media with L-glutamine prior to use.
2. Uses of L-Glutamine
1). L-Glutamine has been studied extensively over the past 10–15 years and has been shown to be useful in treatment of serious illnesses, injury, trauma, burns, cancer and its treatment related side-effects as well as in wound healing for postoperative patients.

2). Glutamine is also marketed as a supplement used for muscle growth in weightlifting, bodybuilding, endurance, and other sports.

3). Glutamine has also been taken to enhance brain function as it fuels two of the brain’s most important neurotransmitters.

4). It has also been used in the treatment of ADHD, anxiety,and depression.

5). It has also been used in recovery programs to break sugar craving cycles in alcoholics and assist diabetics in the management of sugar cravings.

6). It is also used as an anti-inflammatory in the treatment of autoimmune diseases and preserves Glutathione levels in the liver.
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