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 |
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Formula | C20H22O7(hydroxymatairesinol) + C2H3KO2 |
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Appearance | Off-white crystalline powder | |
Solubility | Soluble in methanol | |
Identification | IR UV TLC |
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Assay | Hydroxy matairesinol + allo-isomer- potassium acetate NLT 90% |
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Related substances | Matairesinol NMT 7% |
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Water content | NMT 10% | |
Heavy metals | NMT 20PPM | |
Microbiology | Compiles with EP | |
Storage | Preserver in tight container, protected from light, heat and humidity |