Oxifend Red Grape Skin Extract


Product: Oxifend Red Grape Skin Extract
Product code: XRG
Country of origin: New Zealand

Product description: Oxifend® Red Grape Skin Extract is a high-quality extract from unfermented New Zealand grown Pinot noir grape skins. A deep red/purple free flow powder high in natural phenolics, manufactured using New Zealand Extracts unique 100% Aqua Pure® extraction process.

Botanical description: Vitis vinifera  
Other name: grape
CAS number: 84929-27-1
Plant part: skins
Solvent used: potable water
Equivalence: fresh fruit 400:1
Plant preparation: wash, extract, concentrate, freeze-dry
Excipient: none
GMO: non-GMO
Minimum recommended dosage: 500 mg/g per serve

Physical, Analytical and Microbiological Detail

Test Specification Method
Appearance Reddish / purple fine powder Visual
Taste Astringent Sensory evaluation
Odour Light berry / grape aromatic Sensory evaluation
Active ingredients > 350 mg/g phenolics  AOAC 952.03 OMA online (mod)
Mesh size > 95% through 40 mesh Pass
Loss on drying < 5% BP or USP loss on drying method
Water activity < 0.25 AquaLab Operator’s manual
Pesticides residue Complies with BP 2004 Appendix XI L and USP 561 Solvent extraction, SPE cleanup, GC-MS/MS and LC-MS/MS analysis
Solubility in water > 95% In-house method
Lead (Pb) < 3.0 ppm Biological materials digestion ICP-MS
Mercury (Hg) < 0.1 ppm Biological materials digestion ICP-MS
Arsenic (As) < 3.0 ppm Biological materials digestion ICP-MS
Cadmium (Cd) < 1.0 ppm Biological materials digestion ICP-MS
Aerobic plate count < 2,000 cfu/g APHA 8.72 5th Ed
Yeasts and moulds < 2,000 cfu/g APHA 21.5 (modified) 5th Ed
Escherichia coli Negative/10g APHA 9.93 (modified) 5th Ed
Salmonella Negative/10g ISO 6579-1:2017
Staphylococcus aureus Negative/10g APHA 39.6 (modified) 5th Ed
Shelf life 24 months  
Storage In a cool, dry place away from direct sunlight
Packaging 2 x10 kg, total net 20 kg, heat sealed foil laminate bags within individual cartons and then packed together in a heavy-duty cardboard box.

- Date of issue: 19th July 2023
- Replaces: 29th March 2023