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Sophora Japonica Extract / Quercetin

Sophora Japonica Extract / Quercetin is a Sophora japonica flower-bud extract used as a botanical source of quercetin.

GoodNutrition supplies this ingredient for supplement, functional food and personal care manufacturers. We support bulk purchasing with specification review, sample evaluation and export documentation for ongoing B2B supply projects.

Please confirm assay, appearance, solubility, packaging format and intended application with our team before order placement so the material profile matches your formula and market requirements.

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COA / MSDS documents

COA information for this ingredient is loading. If the document does not appear, please contact GoodNutrition for the current batch COA and MSDS.

GoodNutrition supplies botanical extracts and nutraceutical ingredients for supplement, functional food and personal care manufacturers. Contact us to confirm specification, assay, solubility, sample availability, MOQ, packaging and current lead time for this item.

We support B2B purchasing with COA documentation, production coordination and repeat-order planning for wholesale ingredient projects.

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ISO Certificate Documents

Published ISO certificates identify Good Nutrition Biotechnology Co., Ltd. Review each document's scope before supplier qualification.

ISO 9001:2015 standard markISO 9001:2015 ISO 22000:2018 standard markISO 22000:2018

ISO 9001 covers plant extracts and pharmaceutical intermediates. ISO 22000 covers the named extracts and food additives listed in its certificate, including NAD and MSM. These management-system documents do not certify every catalogue product.

Current status must be confirmed with CQC and the applicable surveillance audit acceptance notice. For Halal, Kosher or organic requirements, request product-specific evidence and confirm availability before ordering.

Sophora Japonica Extract / Quercetin is a Sophora japonica flower-bud extract used as a botanical source of quercetin.

Sophora-derived quercetin powder is selected for antioxidant and cardiovascular-wellness formulations. Source authentication, quercetin basis, residual solvents and particle size are more useful quality indicators than a generic botanical-extract description.

Product Specification

Product NameSophora Japonica Extract / Quercetin
Material IdentitySophora japonica flower-bud extract
AppearanceYellow to brown-yellow fine powder
Key SpecificationQuercetin content and basis, batch specific

Key Characteristics

  • Flower-bud botanical source of quercetin
  • Characteristic yellow color
  • Low intrinsic water solubility and possible dusting in fine grades

Formulation & Handling

  • Suitable for capsules, tablets and dry blends
  • Use granulated or dispersible grades when flow or suspension is important
  • Account for active basis and any processing aids in label calculations

Quality Parameters to Review

  • Sophora species and flower-bud identity
  • Quercetin assay and chromatographic fingerprint
  • Residual solvents, pesticides, heavy metals and microbiological limits

Final suitability should be confirmed against the agreed product specification, batch COA, destination-market requirements and the buyer’s finished-product validation.

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Buyer FAQ

What should buyers verify for Sophora Japonica Extract / Quercetin?

Review Sophora species and flower-bud identity; Quercetin assay and chromatographic fingerprint; Residual solvents, pesticides, heavy metals and microbiological limits. Final acceptance should follow the agreed specification and batch COA.

How is Sophora Japonica Extract / Quercetin commonly formulated?

Suitable for capsules, tablets and dry blends; Use granulated or dispersible grades when flow or suspension is important; Account for active basis and any processing aids in label calculations

What is Sophora Japonica Extract / Quercetin commonly used for?

Common application directions include Antioxidant and healthy-aging supplements; Cardiovascular and immune-wellness formulas; Botanical quercetin capsules and tablets. Finished-product claims and suitability must be reviewed for the destination market.

B2B purchasing details

Review key sourcing details before bulk ordering

For bulk Sophora Japonica Extract purchasing, buyers commonly review marker basis, botanical identity, residual solvents, heavy metals and microbiological limits before confirming sample evaluation, MOQ, packaging and lead time.

Sophora Japonica Extract sourcing details buyers compare

Buyers searching for a Sophora Japonica Extract supplier usually compare marker basis, botanical identity, residual solvents, heavy metals, microbiology and packaging before order confirmation.

Buyer questionWhat to confirmUseful next step
Assay / specificationConfirm marker basis and botanical identity for the intended supplement format. Read the supplier guide
COA and quality documentsReview the batch COA, residual solvents, heavy metals and microbiological limits before approval. Check quality control
MOQ, sample and lead timeShare order size, sample needs, packaging preference and destination market for a workable quote. Request a quote
Application fitCompare Sophora Japonica Extract with other botanical ingredients for capsules, tablets and blends. Browse products

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