Sophora japonica extract powder oem

Sophora japonica L. Flower Bud Extract Powder
Quercetin ≥95% | HPLC | Fine Yellow Powder

What It Is

Extracted from Sophora japonica L. flower buds and standardized to ≥95% quercetin by HPLC. A fine yellow powder, supplied in 25 kg fiber drums with a standard lead time of 1–3 working days. Free 30 g samples are available for qualified buyers — test it in your formula before you commit.

Core Benefits

Vascular health. Quercetin inhibits hyaluronidase — the enzyme that breaks down capillary walls — helping preserve blood vessel integrity and circulatory function. A foundational ingredient for vein-health and leg-comfort formulations.
Capillary support. By reinforcing the endothelial basement membrane, quercetin strengthens capillary walls against fragility. The go-to botanical for products targeting bruising tendency, skin microcirculation, and vascular resilience.
Antioxidant defense. As a flavonol, quercetin works through dual pathways — neutralizing reactive oxygen species while chelating transition metal ions. Broad-spectrum protection for immune health, healthy aging, and daily wellness.
Seasonal and respiratory comfort. Quercetin stabilizes mast cell membranes, securing its place in seasonal-wellness formulations globally.
Application Areas

Dietary supplements — standalone quercetin capsules or synergistic blends with vitamin C and bromelain
OEM capsule programs — private-label capsules with flexible potency, bottle count, and labeling, managed end-to-end
Functional foods — fortified beverages, powdered drink sticks, and wellness shots
Cosmeceuticals — ingestible and topical formulations targeting skin clarity and microvascular health
Why Source from Huaze

Commercial-scale extraction. In-house HPLC release testing on every batch. ISO 9001, Kosher, and Halal certified. Whether you are formulating with bulk powder or need finished OEM capsules under your brand, we deliver — on spec, on time, without the back-and-forth.

Request your free 30 g sample today — and see how a ≥95% quercetin extract performs in your formula.