St. John's Wort (Sint Janskruid)
Herbs For Wellness !!!
St. John's Wort has been used in connection with
the following conditions:
- Pain
- Tension
- Depression
- Eczema (topical application)
- Seasonal affective disorder
- Somatoform disorders
- Anxiety
- Cold sores
- Ear infections (recurrent)
- HIV support
- Infection
- Menopause
- Ulcerative colitis
- Wound healing
St John's Wort is a perennial herb growing from 1-3 feet tall. Erect stems branch in upper parts with small pale green leaves. The flowers of St John's Wort are bright yellow in terminal clusters with long hairy yellow stamens.
The major constituents in St. John's wort include hypericin and other dianthrones, flavonoids, xanthones, and hyperforin. While was previously thought the antidepressant actions of St. John's wort were due to hypericin and the inhibition of the enzyme monoamine oxidase, current research has challenged this belief, focusing on other constituents, such as hyperforin, and flavonoids. Test tube studies suggest that St. John's wort extracts may exert their antidepressant actions by inhibiting the reuptake of the neurotransmitters serotonin, norepinephrine, and dopamine. This action is possibly due to the constituent hyperforin. St. John's wort is able to act as an antidepressant, by making more of these neurotransmitters available to the brain.
Certain medicines may interact with St. John's wort.
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