Geranium sanguineum is a herbaceous perennial plant from the Geraniaceae family, with well developed roots. Freshly cut, the roots are pink while after several minutes, they become red. After washing, the roots are dried on air or in dryers at a temperature of 40-45oC. The dried roots are red-brown on the outside and with red tinge on the inside. The plant contains flavonoids, catechin tannins, polyfenol acids, condensed tanins, sesquiterpene lactones and others.
In traditional medicine, a brew of Geranium sanguineum is used as a kind of “blood tonic”; also, the brew is used as a styptic.*
Definition: Product from dried roots of the plant Geranium sanguineum.
Characteristics: Red-brown to brown amorphous powder, with specific odour, little soluble in water and 50% ethanol.
Testing for purity:
pH (10% solution): 3.5 to 4.5
Sulphated ash, %: 10.0
Heavy metals, %, not more than: 0.001
Loss on drying, %, not more than: 5.0
Content of active substancies:
Tannic compounds, determined as tannin, per dry substance, not less than, %: 25.0
Polyphenols, determined as catechins, per dry substance, %: 18.0 to 22.0
Anthocyanins, per dry substance, not less than,%: 0.3
Control: The qualitative indices of the product are controlled in accordance with company documentation, where are included assay methods and their validity concerning linearity and repetition.
Storage: At a temperature of 20 – 25oC.
Shelf life: 3 (three) years from the date of production.
Application: The dry extract from Geranium sanguineum is used as a natural antioxidant, it positively influences the immune system and may present other health benefits*.
It is used alone or in combination with other plant extracts in production of food or feed additives.