L-Tryptophan
CAS：73-22-3
ANALYSIS ITEM
SPECIFICATION
RESULT
Appearance
White to Slightly Yellowish Crystalline Powder
Assay
≥98.5%
99.8%
Loss on drying
≤1.0%
0.22%
Heavy metals
≤10 ppm
3ppm
Arsenic
≤1ppm
0.6ppm
Sorbic Acid
Sodium Benzoate
Potassium Sorbate Granular
Potassium Benzoate
Benzoic Acid
Milk Thistle Extract - Silymarin
Green Tea Extract
Black Tea Extract
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