Name of the product: Oak apple dry extract / Oak apple dry (powdered) extract
Plant species: Quercus infectoria OLIVIER
Used part of herb: Gall growing on the bud after infection by insect Cynips tinctoria HARTG.
Ingredients (INCI): Quercus Infectoria (Oak) Gall Extract
CAS No.: ---
EINECS No.: ---

Active substances:

Tannins (gallotanins), gallic acid, m-digallic acid, ellagic acid.

Properties:

Oak apple extract has been used for a centuries in folk medicine as the preparation for calming down of the inflammation of the skin, for the treatment of frostbites and for the skin disinfection in case of skin wounds. Due to high content of tannins the Oak apple extract acts as strong anti-oxidant agent similarly to Krameria extract but without coloring of the treated area. It is suitable for damaged skin, aged skin and skin suffering from chronic bacterial infections including chronic inflammation. The astringent properties can be utilized in case of the treatment of small wrinkles and during complex procedures in cellulite avoiding.

Product specification:

1. Description Beige to brown coarse powder of the characteristic odor
2. Identity (by TLC) The relative retentions of the particular substances in tested extract correspond to reference solution
3. Loss on drying NMT 5.0 % m/m
4. Ethanol content NMT 0.5 % m/m
5. Assay of tannins NLT 15% (as pyrogallol)

Storage conditions:

The product must be stored in tightly closed original containers in temperature range from + 5 °C to + 25 °C.

Retesting period:

18 months