AntioxidantQuality & compliance
Vitis vinifera
Grape Vine extract (Vitis vinifera) — OPC (Oligomeric Proanthocyanidins) — Typical 95% (UV). Polyphenols 90%+. Bulk B2B supply, GMP & ISO 9001 certified, export-ready. Request a quote from Espíritu Empresarial.
Key active molecule — interactive 3D
Epigallocatechin gallate
Real 3D structure · C22H18O11
Real 3-D structure of the marker compound — drag to rotate. Atom colours follow CPK convention.
Marker compound
Polyphenols / flavonoids (leaf)
Leaf/vine standardized to polyphenols (not seed OPCs). 5% polyphenols typical.
Typical market grade — your shipment’s exact value is certified on the batch COA.
OPC (Oligomeric Proanthocyanidins) — Typical 95% (UV). Polyphenols 90%+.
Water-soluble (spray-dried); alcohol-soluble grades.
Vascular support; anti-ageing; nutricosmetics; antioxidant stacks; eye-health formulations.
We manufacture to your target — tell us the marker spec, grade and volume and we’ll build it to order.
Certificate of Analysis
Get the latest batch Certificate of Analysis with full standardisation, heavy-metals and microbial data. Sent to your work email within 24 hours.
