St. John's wort extract
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st. john's wort
St. John's Wort extract ( Hypericum perforatum) :
Hypericin 0.3% test by UV at the same time 3% Hyperiforin test by HPLC.
Common Name: St. John's Wort flower.
Botanical Name: Hypericum perforatum.
CAS Registry Number: 84082-80-4 .
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