| 摘要 |
The present invention relates to the use of plants of the genus Hypericum or their extracts, respectively, for facilitating synchronization of a circadian rhythm with an external timer, such as in light-dark changes, day-night rhythm changes, time shifts, as occur in the case of long-distance air travel, and the so-called jetlag. The use of extracts from Hypericum perforatum is, however, also suited for use, for example, in cases of forced modifications of the rhythm of activity in persons working shifts. In order to alleviate jetlag symptoms, a dose of 2-200 mg per kg body weight was found to be preferred.
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