Perawatan kaséhatan bawah bahan bijari n-akhosil-l-tyirin
Panonna 1. Bubuka bubuk n-acetyl-l :
Ri-akétily-L-Quosin waspat mangrupikeun asam amino penting, anu mangrupikeun jinis gizi penting pikeun métabolisme penting, kamekaran ngémutan ubar, fotumis sareng industri, fotumis sareng industri, fotumis sareng industri utama sareng industri, fotumeu, jsb.
2 . Inpormasi dasar tina bubuk tyrofil-l-tyelosin :
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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. Fungsi:
Bubuk 1n-Tirosil-Tirosine mangrupikeun asam amino anu henteu penting
2,1.n- akétily
Coloti 3n-avétyl-L o-farmediceseses farmasi, pantuaan biokimia, élmu kahirupan hirup, panalasan tatanén, panilangan tatanén, Intevals
3. Adgtive sareng feed barang, jsb
4. 3n-akétily-l- girosin
5. 4.n-akétily-l- lucu ngajagi kulit tina tina sinar cahaya anu ngabahayakeun uv.
6. 5.N-acetyl-l- tyirosin
4.aplication:
N-akétily-L-Quosiny mangrupikeun asam amino penting, gizi anu penting yén maénkeun dina peran anu penting dina métabolisme, kamekaran sareng utama fotume sareng kimia.
5.CHA:
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Items
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Standards
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Results
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Description
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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%
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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
|
<10ppm
|
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铅/Lead
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≤2ppm
|
<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%
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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%
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100.1%
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L-酪氨酸/L- Tyrosine
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≤1.0%
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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
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≤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
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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
Categories produk : Produk ngajual panas
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