Swen sante anvan tout koreksyon materyèl n-asetil-l-tirozin poud
1. Entwodiksyon nan poud N-asetil-L-tirozin :
N-asetil-L-tirozin poud Li se yon asid amine esansyèl, ki se yon kalite nitrisyon enpòtan pou metabolis moun ak bèt, kwasans ak devlopman jwe yon wòl enpòtan, ta ka lajman itilize nan manje, manje, pharmaceutique ak endistri chimik, elatriye.
2 ． Enfòmasyon debaz poud N-asetil-L-tirozin ：
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Product Name
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N-Acetyl-L-tyrosine
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Specification
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98%
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Appearance
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White to off-white crystalline powder
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CAS no.
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537-55-3
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Molecular formula
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C11H13NO4
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Molecular weight
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223.23
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EINECS no.
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208-671-3
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Melting point
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149-152 ℃
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Boiling point
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531.3°C at 760 mmHg
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Flash
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275.1 ° C
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Vapor pressure
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4.07E-12mmHg at 25°C
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Specific rotation
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47.5° (c=2, water)
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3. Fonksyon:
1.N-asetil-tirozin poud se yon asid amine ki pa esansyèl
2.1.N-Acetyl-L-tirozin poud se yon enpòtan reyaktif byolojik.
3.N-Acetyl-L-tyrosine poud ka itilize nan entèrdi pharmaceutique, etid byochimik, syans lavi, rechèch agrikòl, bwason ki gen
3. Aditif ak manje bagay, elatriye.
4. 3.N-Acetyl-L-tyrosine poud ede kalme kò a, ogmante enèji
5. 4.N-Acetyl-L-tirozin poud pwoteje po a soti nan reyon limyè danjere UV.
6. 5.N-Acetyl-L-tirozin poud ranfòse atitid yon sèl la.
4.Aplikasyon:
Poud N-asetil-L-tirozin se yon asid amine esansyèl, yon eleman nitritif enpòtan ki jwe yon wòl enpòtan nan metabolis la, kwasans ak devlopman nan moun ak bèt, epi yo ka lajman itilize nan manje, manje, endistri pharmaceutique ak chimik.
5.COA ：
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Items
|
Standards
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Results
|
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Description
|
White crystals or crystalline powder
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White crystalline powder
|
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Specific Rotation [a] D20"
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+46.5 o~ +49.0 o
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+47.8 o
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Transmittance
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≥96.0%
|
97.8%
|
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Chloride(Cl)
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<0.020%
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<0.020%
|
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Ammonium
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<0.020%
|
<0.020%
|
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Sulfate
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<0.020%
|
<0.020%
|
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Iron (Fe)
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<30ppm
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<30ppm
|
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重金属/Heavy metals
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≤10ppm
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<10ppm
|
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铅/Lead
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≤2ppm
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<2ppm
|
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镉/Cadmium
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≤1ppm
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< 1ppm
|
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汞/Mercury
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<0.1 ppm
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<0.lppm
|
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砷盐/Arsenic（AS203 ）
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≤1 ppm
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< 1ppm
|
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干燥失重/Loss on drying
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≤0.50%
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0.11%
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灼烧残渣/Residue on ignition
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<0.10%
|
0.06%
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酸度/PH value
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2.0～3.0
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2.6
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含量/Assay
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99.0～101.0%
|
100.1%
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L-酪氨酸/L- Tyrosine
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≤1.0%
|
Conforms
|
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堆密度/Bulk density
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Only report
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0.50g/mL
|
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紧密度/Tapped density
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Only report
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0.80g/mL
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目数/Mesh
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Only report
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40
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菌落总板数/Total plate count
|
≤1000cfu/g
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<1000cfu/g
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酵母菌和霉菌/Yeast&Mould
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≤100cfu/g
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<100cfu/g
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大肠菌群/Coliforms
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In 25 gn.d.
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Conforms
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沙门氏菌/Salmonella
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In 25 gn.d.
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Conforms
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金黄色葡萄球/Staphylococcus aureus
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In 25 gn.d.
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Conforms
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大肠埃希氏菌/Escherichia coli
|
Negativei
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Conforms
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洽测结论/Conclusion
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The result meet AJI92 standard, so it's the qualified product.
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QC: Guo Shan Qa: Feng Li
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