The common name “St John’s wort” comes from its traditional flowering and harvesting on St John’s Day, 24 June. Perforate St John’s wort is a herbaceous perennial plant with creeping rhizomes. Its stems are erect, branched in the upper section, and can grow to 1 m high. It has opposite, stalk-less, narrow, oblong leaves that are 1–2 cm long, yellow-green in color, with scattered translucent dots of glandular tissue. The flowers are colored bright yellow with conspicuous black dots. The herb flowers between late spring and early to mid-summer. Hypericum perforatum is native to parts of Europe and Asia but has spread worldwide as a cosmopolitan invasive weed, including to temperate regions of India, China, Canada, Africa, and the United States. Except for Hypericin, this herb also contains Tannins and Flavonoids: Quercetin, quercitrin.
Definition: Product from above-the-earth parts of Hypericum perforatum (St John’s wort).
Characteristics: Dark brown amorphous powder, with specific odour.
Content of active substances:
Hypericin, based on dry substance, %, not less than: 0.3
Control:The qualitative indices of the product are controlled in accordance with the company documentation, where assay methods and their validity concerning linearity and repetition are included.
Storage: Store in dry and cool places, away from direct sunlight.
Shelf life:3 (three) years from the date of production.
Application: Extracts of this botanical are used alone or in combination with other plant extracts in production of food additives.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.