FIELD: medicine, pharmaceutics.
SUBSTANCE: invention relates to method for determining quality and authenticity of medicinal raw material of St John's-wort (Hypericum perforatum L.). The method consists in the following: water-alcohol extract of Hypericum perforatum L. herb is prepared, and analysed by method of high performance liquid chromatography. After that, concentration of rutin and hyperforin (mmol/l) is determined and used as basis for calculation of their content in Hypericum perforatum L, ratio of rutin to hyperforin is determined, and its value equal to 0.8-1.2 testifies to authenticity and quality of St John's-wort (Hypericum perforatum L.).
EFFECT: invention makes it possible to increase reliability in determination of authenticity and quality of medicinal raw material.
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| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR EXTRACTING BIOLOGICALLY ACTIVE SUBSTANCES FROM COMMON ST JOHN'S WORT (Hypericum perforatum L) | 2014 |
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