Hyper / HERB OF SAN JUAN
HYPERICUM PERFORATUM L.
Hyper / HERB OF SAN JUAN
HYPERICUM PERFORATUM L.
St. John's Wort,
, St. John, St. John's wort.
The drug plant is formed by the dried flowering tops of Hypericum perforatum L. collected during the flowering season or
The major components of St. John's wort are naftodiantronas, the drug also contains flavonoids,
oil and other various components.
• derivatives Diantronas (0. 1 - 0. 3%) mainly Hypericine and seudohipericina (in 1: 2 ratio) and
mixture of their biosynthetic precursors, protohipericina and protoseudohipericina, which are Transform into cyclic compounds by light.
• Flavonoids, mainly derived from heterósidos quercetol as St. John quercitrina, rutoside and isoquercitrina Genina, as well as from the quercetin, kenferol, luteolina and myricetin; biflavonoides which are mainly present in the flowers.
• Phytosterols (beta - sitosterol)
• phenolic acids (caféico acid, chlorogenic, ferúlico)
• Components several derivatives of Phloroglucinol cumarinas.
Hypericum perforatum L. is the active ingredient in many medicines sold in Germany (more than 40 medicines made with St. John's Wort as
single component or in combination with other drugs plant)
The results obtained in vitro or in animal experiments, as well as in humans, with preparations based on St. John's wort have shown the pharmacological properties referred to below and that are confirmed in over 20 clinical studies, double - blind or open.
• Effects antidepressants with reduced aggressive behavior and increased physical
(in animals) and improvement of major depressive symptoms of the
in humans, such as lack of concentration, fatigue.
• Effects promoters dream of elongation of the phases of deep sleep.
MAO inhibitor. The higher
is attributed to several flavonoids, quercetin and aglicona. Xanthones, present in small quantity, they also have
• Potent antiviral effects (only for high doses of Hypericine)
The tests performed in vitro with St. John's wort showed effects similar to those obtained with other antidepressant drugs,
it is still impossible to know which components should be attributed these antidepressant effects: the results of research conducted with fractions of St. John's wort extract suggest that not only Hypericine are involved in the antidepressant effects of the preparations of St. John's wort,
also derivatives foroglucinol and
type of flavonoids.
The antidepressant action
been demonstrated in several studies in animals. The extract of St. John's wort
revealed an increase in exploratory
in mice placed in half unknown, an increase of time sleeping drug and dose -
reduction of aggressive behavior in males isolated from its environment.
Observations on the Man.
. John's Wort is used for many years in folk medicine as
remedy for wounds,
and to alleviate the
. Over the past 15 years
been studied Hypericum perforatum L. in the indication of "symptomatic treatment of
depression" that is accompanied by states of decay, lack of concentration, loss of interest, fatigue and
The good clinical results obtained with the extract of St. John's wort are well documented in numerous studies, clinical trials and double - blind studies comparing its effects to those of antidepressants synthesis (there are nearly 30 controlled studies in over 1500 patients depressive) St. John's wort extract is
valuable alternative to tricyclic antidepressants.
Most of the studies conducted with the dry St. John's wort have been conducted with doses equivalent to 0. 5 - 1. 0 mg daily Hypericine during
between 4 and 8 weeks. The
of the preparations are excellent and always found acceptance on the part of patients
In the studies reviewed, the level of side effects
approximately 2% and the symptoms commonly observed were
manifestations (nausea, gastralgias) tiredness and, in rare cases,
signs (reddening of the face, itching and
It does not cause drowsiness and
no negative influence on the ability to drive or operate machinery. St. John's wort preparations are characterized by
. John's wort is not indicated for treatment of severe
. His indication is recognized by the Federal Bureau of
in Germany calling for the administration of preparations of St. John's wort (2 to 4 grams daily of plant drugs) for the treatment of mild to
The toxicology of the preparations of St. John's wort is primarily concerned with the phototoxicity of naftodiantronas. However phototoxicity that appears only in humans when they ingest quantities of more than 30 times the recommended therapeutic. Should not be used concurrently with antidepressants or antihypertensives except prescription.
It consists of the dried flowering tops collected during the flowering season or
The stem is bouquets, aristation and hairless,
two longitudinal bands more or less salient. The leaves opposing, not specified, oval - oblong measuring 15 to 20 mm in length. Glandulosa black hair show at the edges and on the whole surface, many secretory glands, translucent visible transparency.
The flowers are regular and grouped in clusters corimbiformes at the top of the stem. Lead 5 petals and
gold old also recorded at the edge Blacks secreting hairs. The stamens are triadelfos,
gold and 3 carpels with
Wirksamkeit des Johanniskrautextraktes LI 160 bei Verstimmung - depressive Nervenheilkunde, 1991, 10, 250 - 253.
G. Harb and
Therapie leichte / mittelschwerer Depressionen mit Hypericum.
Münch. med. Wschr. 1993, 22, 305 - 309.
J. HOFFMANN et al.
Therapie von depresivven Zuständen mit Hypericin.
Z. Gen. Med. 1979, 55, 776 - 782.
. JOHNSON et al. b)
Einfluss auf die von Johanniskraut ZNS - Aktivitäten.
Neurol. Psychiatr. 1992, 6, 436 - 444.
Inhaltsstoffe und des Wirkmechanismen Johanniskraut.
. Phytother. 1993, 14, 255 - 264.
R. KNIEBEL and J. M. Burchard.
Zur Therapie depressive Verstimmungen in der Praxis.
Z. Gen. Med. 1988, 64, 689 - 696.
J. Kugler and al.
Zur Pharmakodynamik cinemas Hypericum - Extraktes.
Z. Gen. Med. 1990, 66, 13 - 20.
J. Kugler and al.
Therapie depressive Zustände.
Z. Gen. Med. 1990, 66, 21 - 29.
S. LEHRL and
Psychometrische Messung Leistungskapazität unter der Therapie mit antidepressiver Johanniskraut - Extrakt.
Nervenheilkunde, 1991, 10, 313 - 315.
. MÜLDNER et al.
Antidepressive Wirkung auf den eines Wirkstoffkomplex Hypericin standardized Hypericum - Extraktes.
Arzneim - forsch. Drug. Res. 1984, 34 (II) 918 - 920.
N. OKPANYI S et al.
Tierexperimentelle Untersuchungen zur psychotropen Wirksamkeit eines Hypericum - Extraktes.
Arzneim. Forsch. Drug. Res. 1987, 37 (I) 10 - 13.
. PIESCHL et al.
Zur Behandlung von Depressionen.
Therapiewoche, 1989, 39, 2567 - 2571.
Hypericum als Pflanzliche Antidepressivum.
. Phytoter. 1993, 14, 239 - 254.
Konstantes Reaktionsvermögen unter antidepressiver Therapie mit dem Hypericum Präparat LI - 160.
Nervenheilkunde, 1991, 10, 311 - 312.
Improvement of complaints by psychovegetative hypericum.
Congress on Phytotherapy, Sept. 10 - 13, 1992, Muchich (Abstracts SL55)
. SOMMER. Besserung psychovegetativer Beschwerde durch Hypericum im Rahmen einer multizentrischen Doppelblindstudie. Nervenheilkunde.
Nervenheilkunde, 1991, 10, 308 - 310.
Beeinflussung klimalterischer Depressionen.
Z. Gen. Med. 1986, 62, 1111 - 1113.
Multicentric practice - study analyzing the functional capacity in depressive patients. 4th and
Congress on Phytotherapy, Sept, 10 - 13. 1992 Munich (Abstracts SL54)
whose treatment is appropriate in this plant.
Stress and depression