L-Proline

L-Proline

L-Proline is in the shape of white crystal or crystalline powder, with a strong sweet taste. As one of the important amino acids in synthesizing protein and important material for amino acid infusion, L-Proline is widely used in food and pharmaceutical industry. As a food additive, L-Proline is an essential food ingredient in our food supply. As a leading food additives and food ingredients supplier in China, we can provide you with high quality L-Proline.

Uses of L-Proline:
It can be used as nutritional supplement and flavoring additive. L-Proline and its derivatives are often used as asymmetric catalysts in organic reactions.

Specifications of L-Proline:

Name	L-Proline
CAS No.	147-85-3
Chemical formula	C₅H₉NO₂
Specification	AJI 97
Packing	In 25kg fiber drums
Functional use	Flavor enhancer
Items	Specifications
Appearance	White crystals or crystalline powder
Specific rotation [a]D20	-84.5° --- -86.0°
State of solution(Transmittance)	Clear and colorless, 98% min
Assay	98.5 - 101.0%
Chloride(Cl-)	0.020% max
Sulfate(SO₄^2-)	0.020% max
Ammonium	0.020% max
Loss on drying	0.30% max
Heavy metals(Pb)	0.0010% max
Arsenic	0.0001% max
Iron(Fe)	0.0010% max
Residue on ignition	0.10% max
Other amino acids	Chromatographically not detectable
PH	5.9 - 6.9

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L-Proline