| Use of hypericin or pseudohypericin for the preparation of a pharmaceutical composition useful in the treatment of viral infections. |
| Initial attention was drawn to hypericin and pseudohypericin since they inhibit the enzyme monoamine oxidase, as do several pharmaceutical antidepressants. |
| For the best results, a standardised extract of the active ingredient hypericin needs to be taken for six weeks. |
| The two compounds considered important in the plant's anti-depressant activity are hypericin and hyperforin. |
| Aloe emodin is an anthraquinone derivative similar in structure to the known photodynamic sensitizer hypericin. |
| The transfer of one electron from an electron donor to an excited state of hypericin generates its corresponding semiquinone radical anion. |
