Isoquercitrin

Plant name

Sophora japonica L.

health benefits

Vascular Health, Antioxidant Protection

product form

Powder

Supply Advantages

Quality & Safety Assurance: Strict quality control for heavy metals and pesticide residues to support product consistency and compliance requirements.

Fresh Production Guarantee: A minimum of 80% remaining shelf life is guaranteed upon shipment for greater supply chain flexibility.

Flexible Customization: Customization available for active compound levels, product forms, particle sizes, bulk density, and packaging specifications.

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Technical Data

Common name

Flos Sophorae Immaturus

Plant name

Sophora japonica L.

plant part used

Flower

synonym

form

Powder

package size

25kg

assay

≥98% of isoquercetin by HPLC

health benefits

Vascular Health, Antioxidant Protection

ingredients health

Antioxidant Support · Heart Health

microbial limits

Microbiological Compliance: Microbiological specifications comply with USP, EP, or other applicable quality standards for total plate count, yeast, mold, and objectionable pathogens.
Non-Irradiated Guarantee: Produced and processed without irradiation treatment to support clean-label and non-irradiated product requirements.

Back to: Quercetin

Check More: Quercetin & Rutin Series

Product Category: Botanical Extracts

Applicataion

Overview

Isoquercitrin is prepared from the flower bud of Sophora japonica L.. This ingredient is supplied as a high-purity isoquercitrin (quercetin-3-O-glucoside) and produced using food grade processes that maintain consistent quality. The raw material is carefully sourced and processed under controlled conditions to preserve its bioactive constituents. The resulting product is designed for use in dietary supplement and functional food manufacturing applications.

This ingredient is widely utilized across Dietary Supplements, Functional Foods applications. Production is planned in fresh batches to maintain optimal product consistency and support just-in-time supply for manufacturing customers. Comprehensive quality control measures are applied to every production lot, including identity verification, purity assessment, microbiological testing, and specification analysis to ensure the ingredient consistently meets the required quality standards for commercial nutraceutical production.

Formulation Benefits

Supplied as a high-purity isoquercitrin (quercetin-3-O-glucoside) for reliable batch composition.
Suitable for incorporation into capsules, tablets and other solid dosage formulations.
Fresh production scheduling supports responsive inventory management and supply chain planning.
Packaged in sealed containers designed to protect ingredient stability during transport and storage.
Manufactured under controlled conditions to maintain batch consistency across production runs.

Application

Isoquercitrin is formulated for use in Dietary Supplements, Functional Foods applications. Owing to its limited water solubility, it is best suited to solid dosage formats such as capsules, tablets and powders, where it remains stable through manufacturing and allows accurate dosing. The powder also blends readily with other dry ingredients. The ingredient is manufactured using food grade technology and is compatible with standard processing operations. Comprehensive quality control testing is performed on each production batch to verify identity, purity, and compliance with established specification parameters.

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Contact information

Shanghai FanPharma Co., Ltd.
Room 433, Mansion 1A, No. 2588 Jinhai Road,
Shanghai 201209
China
Phone: +86 21 60871031
Fax: +86 21 6087 1032
E-mail: info@fanpharma.com

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