usp standard
aspartame
appearance |
white granular or powder |
assay(on dry basis) |
98.0%~102.0% |
mesh |
80mesh |
taste |
pure |
specific rotation |
+14.5°~ +16.5° |
transmittance |
≥ 95% |
loss on drying |
≤ 4.50% |
residue on ignition |
≤ 0.20% |
l-a-aspartyl-l-phenylalanine |
≤ 0.25% |
ph |
4.5~6.5 |
l-phenylalanine |
≤ 0.50% |
heavy metals(pb) |
≤ 10ppm |
5-benzyl-3,6-dioxo-2-piperazineacetic acid |
≤ 1.5% |
other related substances |
≤ 2.0% |
appearance |
white granular or powder |
assay(on dry basis) |
98.0%~102.0% |
mesh |
80mesh |
taste |
pure |
specific rotation |
+14.5°~ +16.5° |
transmittance |
≥ 95% |
loss on drying |
≤ 4.50% |
residue on ignition |
≤ 0.20% |
l-a-aspartyl-l-phenylalanine |
≤ 0.25% |
ph |
4.5~6.5 |
l-phenylalanine |
≤ 0.50% |
heavy metals(pb) |
≤ 10ppm |
5-benzyl-3,6-dioxo-2-piperazineacetic acid |
≤ 1.5% |
other related substances |
≤ 2.0% |