Abstract
Iris lactea Pall (milky-white iris) belongs to the genus Iris L. of the Corridaceae family Iridaceae. In the form of an herb or an extract of Iris lactea Pall is found in some dietary supplements, it is included in the Alpizarin ointment, used as an antiviral agent. The use of antiviral drugs of plant origin is the safest method of treatment, given that about 90% of the population is affected by herpes. Data on the elemental composition of herbs and extracts of Iris lactea Pall are absent in the literature.
 The purpose of the work is to determine the content of xanthones and the elemental composition of the herb and the dry extract of Iris lactea Pall.
 The article presents the results of the determination of the main groups of active substances. The quantitative content of Cu, Fe, Ca, Co, Ti, Se, V, P, B, Na, Mg, K, Al, Ba, Sb, Ag, Sr, Sn, Mo, was determined by the method of atomic emission spectrometry with an ionically coupled plasma. Ni, Cd, Pb, As, Zn, Be, Mn, Cr, while the content of heavy metals and arsenic in the grass and extract does not exceed their maximum allowable content in medicinal herbal preparations. The following methods were determined by thin layer chromatography: Xanthone alpizarin and flavonoids rutin and quercetin. The method of high performance liquid chromatography (HPLC) revealed the presence of alpizarin and related xanthones.
 According to the developed method for the determination of xanthones by the HPLC method proposed in this article, the highest content of xanthones, in terms of alpizarin, is in the grass milky white – 1.14%, and in the dry extract – 1.79%.
 Milk-White Iris extract and herb are a promising source for the development of drugs that suppress the reproduction of the herpes simplex virus and its subtypes.
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