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Standardized Extract

Onion Extract (Allium cepa) – Quercetin 10–98%

Allium cepa · Amaryllidaceae

Marker compound
Quercetin
Standardisation
10–98% (HPLC)
Assay method
HPLC
CAS
117-39-5
Plant part
Peel, Tuber & Bulb

Onion Extract (Allium cepa) – Quercetin 10–98%

Onion extract is produced from the bulb / skin of Allium cepa (Amaryllidaceae family) and supplied as a standardized extract powder, standardized to Quercetin. Available grades: 10%, 30%, 98%. Typical sourcing: Global (cultivated worldwide). For B2B formulation in nutraceuticals & supplements.

10%30%98%

Specifications

Botanical name Allium cepa
Common names Onion
Plant family / part Amaryllidaceae / Bulb / skin
Marker compound Quercetin
Phytochemical class Flavonoids › Flavonols
Available grades 10%, 30%, 98%
Made-to-order grades 30% (produced on request; confirm lead time)
Assay method HPLC
CAS number 117-39-5
Form Standardized Extract
Origin Global (cultivated worldwide)
Pack sizes Sample (50 g), 250 g, 1 Kg, 5 Kg, 25 Kg; 98% grade: Sample (1 g), 50 g, 250 g, 1 Kg
Shelf life & storage Typically 24 months in sealed original packaging; store cool, dry and away from light

Formulation focus

  • Antioxidant & Healthy Ageing

Industries

Nutraceuticals & Supplements

Documentation

The Technical Data Sheet and Safety Data Sheet (GHS format) can be downloaded from this page; the batch Certificate of Analysis is supplied 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.