Product name: L-theanine
Cas#: 3081-61-6
Chemical formula: C7H14N2O3
Molecular Structure:
Synonym: L-glutamic acid -r-monoethylamide
Solution/odor: clear, transparent solution in water, odorless and slightly sweet in
taste
Technical Data
|
No.
|
Test Items
|
Standard
|
|
1
|
Visual
|
White crystal powder
|
|
2
|
Assay
|
Min.99%
|
|
3
|
Specific Rotation [α]20/D
|
+7.5-+8.5º
|
|
4
|
Moisture
|
Max.2.0%
|
|
5
|
Residual on ignition(Sulfate)
|
Max.0.2%
|
|
6
|
PH
|
5.0-7.0
|
|
7
|
Melting point
|
210℃-215℃
|
|
8
|
Chloride
|
Max 0.1%
|
|
9
|
Heavy Metals(pb)
|
Max 10ppm
|
|
10
|
Total Plate Count
|
Max1,000cfu/g
|
|
11
|
Mold & Yeast
|
Max1,00 cfu/g
|
|
12
|
E.Coli., Salmonella
|
Absent
|
Application: widely used in food, beverage and non-food industry.
Dosage Recommendation: 1.0.2% in beverage, baker, icecream and confectionery,etc.;
2.0.01% as flavor modifier in green tea and other food products;
3. no recommendation in pharmaceutics(it depends on)
Packing & Storage: keep in cool and dry place ; packed in carton or drum after sealed by
aluminium-plastic bag(net weight:25kgs/carton or drum)
Shelf Life: Three years
Standard: Meet requirements of JP2000
