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Standardized ExtractEuropean herbal tradition
Oak Extract (Quercus robur) – Total Tannins 3–20%
Quercus robur
- Marker compound
- Total tannins
- Standardisation
- 3–20% (UV-Vis spectrophotometry)
- Assay method
- UV-Vis spectrophotometry
- Plant part
- Bark, Wood & Heartwood
- Origin
- France
Oak Extract (Quercus robur) – Total Tannins 3–20%
Oak extract is produced from the bark / wood of Quercus robur (Fagaceae family) and supplied as a standardized extract powder, standardized to Total tannins. Available grades: 3%, 8%, 20%. Typical sourcing: France. For B2B formulation in nutraceuticals & supplements.
3%8%20%
Specifications
| Botanical name | Quercus robur |
| Common names | Oak |
| Plant family / part | Fagaceae / Bark / wood |
| Marker compound | Total tannins |
| Phytochemical class | Tannins › Tannins |
| Available grades | 3%, 8%, 20% |
| Made-to-order grades | 8% (produced on request; confirm lead time) |
| Assay method | UV-Vis spectrophotometry |
| Pharmacopoeia & standards | Ph. Eur. (EP), EMA herbal monograph |
| Form | Standardized Extract |
| Origin | France |
| Pack sizes | Sample (50 g), 250 g, 1 Kg, 5 Kg, 25 Kg |
| Shelf life & storage | Typically 24 months in sealed original packaging; store cool, dry and away from light |
Formulation focus
- Cognitive Health
Industries
Nutraceuticals & Supplements
Traditional systems: European herbal tradition
Documentation
Batch Certificate of Analysis, Technical Data Sheet and MSDS available on request. Confirm the assay method (HPLC, UV or gravimetric) on the CoA, as results differ between methods.
For B2B formulation and research use. Statements have not been evaluated by the FDA or other regulators; this ingredient is not intended to diagnose, treat, cure or prevent any disease.
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