n.1.See St. John's-wort.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
John's-Wort (Hypericum perforatum L.) is a perennial herb with upright and at the top branched stem.
John's-Wort extract contained 9,8 mg dry weight in 1 ml methanol.
John's-Wort is their efficiency and volume in dry matter significantly lower, so the ability of extract to degrade free radicals is reduced.
John's-Wort extract, have great antioxidant efficiency.
John's-wort (Hypericum Perforatum L.), Horsetail (Equisetum Arvense L.) And Their Comparison of Antioxidant Efficacy
John's-wort is one of the most widely used herbal crops in the world.
John's-wort as a dietary supplement has significantly increased in the last few years.
John's-wort is a plant that grows in the wild and is harvested for its active ingredients, which include at least 10 components that may contribute to its pharmacological effects.
John's-wort in commercial products usually occurs when species of Hypericum other than H.
John's-wort is perceived to be tied to its hypericin content.