USD $0.40-1.00 / Metric Ton
USD $100.00-150.00 / Kilogram
USD $32.00-34.00 / Metric Ton
USD $1.00-10.00 / Kilogram
USD $90.00-100.00 / box
iso9001 certified manufacturer
quality: adopting fermentation technology to assure the high quality. no-animal raw material
price: offering the best price during the suppliers in china.
rich material and energe make us control the cost effectively
service: reponse inquiry in 24 hours. fast delivery
certificates:we can offer all kinds of certificates that you need for importing. such as: iso9001, gmp,kosher ,halal etc
description:
full name: l-glutamine
other names: (s)-2,5-diamino-5-oxopentanoic acid ; l-glutamine ; l(+)-glutamic acid-5-amide ; 2-aminoglutaramic acid ; levoglutamide 。
cas no.: 56-85-9
molecule formula: c5h10n2o3
molecule weight: 146.15
structure formula:
l-glutamine is white crystals or crystalline powder . soluble in water, hardly soluble in alcohol or aether; molecular weight :146.15.it is the most common essential amino acid in the human body .it is the made from amylon or other sugar material by fermentation. it covers 60% of the total free amino acids in human body and widely used for health food ,sports nutrition food , cosmetics and bio-chemical reagent.it is used for protecting the liver,increase the immunizing powder,relieve the tire.prevent the liver growing old,antidepression, and anti-aging.
l-glutamine that we produce with the microbial fermentation method, has the advantages of large quantity, good quality, and no smell.
the specification is below:
specific rotation:+6.9;loss on drying:0.02%;residue on ignition:0.06%;lead:0.04mg/kg;
arsenic:0.01mg/kg;assay:99.7%;aerobic plate count:less than 1000cfu/g.
applications:
nutritional supplements, flavoring, flavor enhancer. used in medicine for the treatment of digestive organs, ulcers, alcoholism, and improve brain function. l - glutamine is one of the 20 kinds of amino acids necessary to constitute the human proteins..
specifications:
item |
specification (usp24) |
results |
specific rotation |
+5.7° to +6.8° |
+5.9° |
sulfate(so4) |
not more than 0.030% |
not more than 0.020% |
iron(fe) |
not more than 0.003% |
not more than 0.002% |
heavy metals(pb) |
not more than 0.0015% |
not more than 0.0015% |
loss on drying |
8.0% to 12.0% |
10.7% |
residue on ignition (sulfated) |
not more than 0.40% |
0.1% |
organic volatile impurities |
meets the requirements |
meets the requirements |
assay |
99.0% to 100.5% |
99.7 % |
chromatographic purity |
not more than 0.5% of any individual impurity is found. not more than 2.0% of total impurities is found |
conforms |
conclusion :compliant with the specification of usp24