hypericin

(hī-pĕr-i-sin),

Component of St. John's wort (Hypericum perforatum).
See also: St. John's wort.

hypericin

(hī-pĕr′ĭ-sĭn)

A drug, C₃₀H₁₆O₈, produced synthetically or as an extract of Saint John's wort and used as an antidepressant and antiviral agent.

hypericin

A polyhydroxypolycyclic hydrocarbon extract from the St John’s wort (Hypericum spp), which causes photosensitisation in grazing animals and has been anecdotally reported to prevent retroviral infection.

hypericin (hī·perˑ·i·sin),

n an extract from the plant
Hypericum perforatum, commonly known as St. John's wort; used to treat depression, sleep disorders, and viral infections; the poten-tial to treat HIV is currently under investigation.

hypericin

the exogenous photodynamic agent in hypericumperforatum—St. John's wort.

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References in periodicals archive ?

Research also shows that the herb, especially the component hypericin (most, but not all, St.

Update: St. John's wort and depression: this herb may help depression, but it can have potentially serious side effects

As a result, the effect of the chemical mediators of serotonin, norepinephrine, and dopamine in the brain nuclei increases; thus, mood is improved and depression relieved (61) Later it was found that in addition of hypericin, flavonoids present in the plant also inhibit the mentioned enzymes (1).

Investigating a number of Iranian herbal medicine, in the form of capsule regarding the product components, active ingredients, pharmacological effects and antimicrobial properties

Conjunction of glutathione level, NAD(P)H/FAD redox status and hypericin content as a potential factor affecting colon cancer cell resistance to photodynamic therapy with hypericin," Photodiagnosis and Photodynamic Therapy, vol.

Redox Control of Multidrug Resistance and Its Possible Modulation by Antioxidants

The herb St John's wort, has two unique components, hypericin and hyperforin, which have an antidepressant action.

5of the best autumn mood boosters

Characterization of various Hypericum perforatum clones by hypericin and RAPD analyses.

BIOLOGICAL PATHOTYPING AND RAPD ANALYSIS OF ASCOCHYTA RABIEI, FROM VARIOUS CHICKPEA GROWING AREAS OF PAKISTAN

Another marker constituent, hypericin, has been shown in animal studies to down regulate CD8 mediated cytotoxicity and inhibit tumour necrosis factor alpha (TNF-[alpha]) induced apoptosis in vitro and therefore modulate the immune system.

SJW and psoriasis

The microscopic observation of the flowering top powder showed glands that are rich in hypericin, the active principle, fragments of anthers including pollen grains and part of epidermic tissue (Figure 5).

Identificacion de plantas medicinales de la Ciudad Universitaria (Madrid): nuevos datos sobre observaciones microscopicas

The drops, administered three times daily at an unspecified dose, contained hypericin 0.

Phytotherapeutic treatments for menopause related symptoms

Glandule filled with oil and less numerous dark dots containing red dye, hypericin are on leaves.

Methanol extracts of St. John's-Wort (Hypericum Perforatum L.), Horsetail (Equisetum Arvense L.) and their comparison of antioxidant efficacy

Hypericin and hypocrelin, isolated from Hypericum perforatum and Hypocrella bambuase, respectively, have shown anti-HIV and antitumour activity (8), while other studies demonstrated antibacterial activity with UV light activation (20).

Screening for in vitro phototoxic activity of methanol extracts of Croton campestris A., Ocimum gravissimum L. & Cordia verbenaceae DC

Likewise, flavonoids are pharmacologically active compounds and also act as co-effectors to improve the biopharmaceutical properties of hypericin (BUTTERWECK & SCHMIDT, 2007).

Long-term maintenance of in vitro cultures affects growth and secondary metabolism of St. John's Wort/ A manutencao prolongada de culturas in vitro afeta o crescimento e o metabolismo secundario de hiperico

John's Wort extract (Hyperin) that contained hypericin 0.

St. John's Wort for menopausal symptoms

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