Technical description
Technical DescriptionName 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 |
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| 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 |
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