“D-丙氨酸”参数说明
商标: | 杰成 | 包装: | 25kg/桶 |
产量: | 10 |
“D-丙氨酸”详细介绍
D-丙氨酸和L-丙氨酸都具有糖味,但味道不同。D-丙氨酸为右旋物质。与L-丙氨酸相对,L-丙氨酸相对为左旋物质。生物通常只使用L-丙氨酸,即蛋白质的构成只采用了L-丙氨酸。D-丙氨酸一般不为生物所容,只在很少的情况下,作特殊的用途。
ITEM LIMIT RESULT
APPEARANCE WHITE CRYSTALLLINE POWDER Pass
SPECIFIC ROTATION[α]20D) -13.5°~-15.5° -14.7°
LOSS ON DRYING ≤0.50% 0.10%
AMMONIUM(NH4) ≤0.02% <0.02%
SULPHATE(SO4) ≤0.03% <0.02%
CHLORIDE(CL) ≤0.02% <0.02%
HEAVY METALS(Pb) ≤10ppm <10ppm
RESIDUE OF IGNITION ≤0.1% 0.08%
IRON(Fe) ≤10ppm <10ppm
ASSAY 98.5—101.0% 99.5%
CONCLUSION Qualified to AJI97
ITEM LIMIT RESULT
APPEARANCE WHITE CRYSTALLLINE POWDER Pass
SPECIFIC ROTATION[α]20D) -13.5°~-15.5° -14.7°
LOSS ON DRYING ≤0.50% 0.10%
AMMONIUM(NH4) ≤0.02% <0.02%
SULPHATE(SO4) ≤0.03% <0.02%
CHLORIDE(CL) ≤0.02% <0.02%
HEAVY METALS(Pb) ≤10ppm <10ppm
RESIDUE OF IGNITION ≤0.1% 0.08%
IRON(Fe) ≤10ppm <10ppm
ASSAY 98.5—101.0% 99.5%
CONCLUSION Qualified to AJI97