In vitro plant cell and organ cultures are appealing alternatives to traditional methods of
producing valuable specialized metabolites for use as: pharmaceuticals, food additives …

Patients' use of alternative and complementary health services has created a need for
physicians to become informed about the current literature regarding these treatments …

Abstract The genus Hypericum L.(St. John's Wort, Hypericaceae) includes, at the most
recent count, 469 species that are either naturally occurring on, or which have been …

We investigated the effects of plant growth regulators [6-benzyladenine (BA), kinetin (Kin), 6-
γ, γ-dimethylallylaminopurine (2iP), thidiazuron (TDZ) and α-naphthaleneacetic acid (NAA)] …

Hypericin and pseudohypericin were found in 27 of the 36 evaluated species from
Hypericum L., belonging to 17 sections of the genus. Pseudohypericin is reported by us in …

Hypericin and pseudohypericin, bioactive constituents in St. John's Wort (Hypericum
perforatum), have been determined in the soft tops of the plant that are most likely to be …

Photodynamic therapy (PDT) is a promising therapeutic approach to manage the resolution
of cancer. Plants in nature are one of the potential sources for obtaining new …

The effect of light intensity and root nitrogen supply on the levels of leaf hypericins was
examined for St. John's wort (Hypericum perforatum L.) grown in a sand culture system with …

Methanolic extracts from cell suspension cultures, calli, and in vitro regenerated shoots and
roots of Hypericum perforatum cv. Topas have been evaluated for their ability to produce …

Use of Hypericum perforatum L. has increased in the past few years due to the
antidepressant and antiviral activities found in extracts of this plant. As a result of its potential …