Purity 99.0 － 101.0 %
Loss on drying <0.3 % (105°C)
Heavy metals (as Pb) <10 ppm
Sulfated ash <0.1 %
Other amino acids <0.5 % (TLC)
Specific rotation [a]20/D -84.5°～ -86.8°(c=4, H2O)
Transmittance >95 % (c=10, H2O, 430 nm) 1 cm cell
pH 5.5 ～ 7 (2.5%， 25°C)
Package: 1000g/bag
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