Composition and antioxidant activity in vitro of different St. John’s Wort (Hypericum perforatum L.) extracts
Gian Gabriele Franchi*, Cristina Nencini, Elga Collavoli and Paola Massarelli
Department of Neurology, Neurosurgery and Behavioral Sciences, Section of Pharmacology “Giorgio Segre”, University of Siena, Strada delle Scotte 6, I 53100 Siena, Italy.
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