Technical description

Technical Description

Name of the plant

Picea abies
Part of the plant used Knots wood
IUPAC Name 4-[Hydroxy(4-hydroxy-
3 methoxyphenyl)methyl]-3-(4-hydroxy-
3 methoxybenzyl)-dihydrofuran-2(3H)-one
-potassium acetate adduct
Formula C20H22O7(hydroxymatairesinol) +
C2H3KO2
Appearance Off-white crystalline powder
Solubility Soluble in methanol
Identification IR
UV TLC
Assay Hydroxy matairesinol + allo-isomer-
potassium acetate NLT 90%
Related substances Matairesinol
NMT 7%
Water content NMT 10%
Heavy metals NMT 20PPM
Microbiology Compiles with EP
Storage Preserver in tight container, protected
from light, heat and humidity