How much St John's wort dry extract does each Care St John's Wort Low Mood Relief Tablet contain?

Each Care St John's Wort Low Mood Relief Tablet contains 300 mg of dry extract from St John's wort aerial parts (Hypericum perforatum L.; extract ratio 5–7:1), equivalent to 1,500–2,100 mg of St John's wort, extracted using ethanol 60% v/v.