L-Tyrosine

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。

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