latin name:centella asiatica(l.) urban
specification:specification (active ingredient & assay):
a> asiaticoside and madecassoside 10%, 20%, 40%, 70%, 80% by hplc
b> centella selected triterpenes, teca (asiaticoside 36-44%, asiatic acid & madecassic acid 54-66%)
c> asiaticoside 10%, 20%, 40%, 60%, 90% by hplc
d> madecassoside 95% by hplc
e> asiatic acid 95% by hplc
f> madecassic acid 95% by hplc
g> asiatic acid and madecassic acid 95% by hplc
cas no.: 16830-15-2
molecular forula: c48h78o19
molecular weight: 959.12
use part : the whole herb
appearance: brown-yellow to white
product name | gotu kola extract | |
latin name | centella asiatica | |
used part | dried whole plant | |
specification |
asiaticoside: 10%, 30%, 40%, 50% asiaticoside: 90% madecassoside: 90% total triterpenes: 10%, 20%, 40%, 50%, 70% total triterpenes:80% teca: 95% |
|
test method | hplc | |
active ingredient | asiaticoside, madecassoside | |
asiaticoside | cas no.: | 16830-15-2 |
molecular formula | c48h78o9 | |
molecular weight | 959.12 | |
structure | ||
madecassoside | cas no.: | 34540-22-2 |
molecular formula | c48h78o20 | |
molecular weight | 975.12 | |
structure | ||
detailed specification | ||
assay (hplc) | asiaticoside min 90% | |
appearance | white to creamy powder | |
odor | characteristic | |
taste | characteristic | |
particle size | 98% pass 80 mesh | |
loss on drying | max 3.0% | |
ash content | max 1.0% |