Function:
1. It’s an essential amino acid for generating adrenal hormones, thyroid hormones and melanin
2. It can prevent Alzheimer's disease
3. Promote metabolism, increase appetite
4. Treat ulcers and other chronic diseases, neurological inflammation and dysplasia
5. It has a relationship with the pigment formation, albinos will take place when lack of it.
【Appearance】:White crystals or white powder
Quality standard: Ajinomoto 1992 Edition / USP 25 edition/Chinese Pharmacopoeia 2000 edition/food grade
Inspection items
|
Specification (AJI)
|
Specification
USP 25
|
Specification
CP2000
|
Specification
food grade
|
Appearance
|
White crystals or white powder
|
Appraisal
|
Measured by infrared absorption spectroscopy instruments
|
Specific rotation
|
-11.3°- -12.1°
|
-9.8°- -11.2°
|
-11.3°- -12.1°
|
-11.3°- -12.3°
|
Dissolution conditions
|
≥95.0%
|
---
|
≥95.0%
|
---
|
Chlorine content
|
≤0.020%
|
≤0.04%
|
≤0.02%
|
---
|
Ammonium salt(NH4)
|
≤0.02%
|
---
|
≤0.02%
|
---
|
Sulfate (SO4)
|
≤0.020%
|
≤0.04%
|
≤0.02%
|
---
|
Iron (Fe)
|
≤10PPm
|
≤30PPm
|
≤10PPm
|
---
|
Heavy metal (Pb)
|
≤10PPm
|
≤15PPm
|
≤10PPm
|
≤30PPm
|
Lead
|
---
|
---
|
---
|
≤10PPm
|
Arsenic (As2O3)
|
≤1PPm
|
---
|
≤1PPm
|
≤1.5PPm
|
Other amino acids
|
Standard compliant
|
---
|
≤0.4%
|
---
|
Loss on drying
|
≤0.20%
|
≤0.3%
|
≤0.2%
|
≤0.3%
|
Residue on ignition (sulfated)
|
≤0.10%
|
≤0.4%
|
≤0.1%
|
≤0.1%
|
Content
|
99.0-100.5%
|
98.5-101.5%
|
≥98.5%
|
98.5-101.5%
|
PH value
|
5.0-6.5
|
---
|
5.0-6.5
|
---
|
Volatile organic
compounds
|
---
|
Standard compliant
|
---
|
---
|
Function:
1. It’s an essential amino acid for generating adrenal hormones, thyroid hormones and melanin
2. It can prevent Alzheimer's disease
3. Promote metabolism, increase appetite
4. Treat ulcers and other chronic diseases, neurological inflammation and dysplasia
5. It has a relationship with the pigment formation, albinos will take place when lack of it.
Application:
1. It can be used in medicine treating hyperthyroidism. It is also an important biochemical reagents, and the main raw material to synthetic peptide hormones, antibiotics, L-dopa and other drugs;
2. It can be used as food additives;
3. It is widely used in agriculture research, and can be used as for the preparation of artificial additives and beverages insects feed.
【Package and storage】:25 kg / drum, lined with two layers of film bag; stored in airtight container at room temperature control.
【Shelf life】:2 years。