Food Additives, Food Ingredients Supplier - Foodchem

FOODCHEM is the Quercetin supplier and manufacturer, engaged in the export and wholesale of Quercetin for more than 10 years. The MOQ of Quercetin is 200 kgs, if you need only a small amount, please contact the local distributor of Quercetin. Any suggestions and questions about the Quercetin, please send Email to, we will reply within 24 hours.


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Quercetin, CAS# 117-39-5, is a natural ingredient isolated from Sophora Japonica root, available as yellow powder. Quercetin is widely used as nutritional supplement. It is widely accepted as safe additive in many countries. Foodchem International Corporation has been supplying quality Quercetin to customers all over the world for over 10 years.If you have any questions or wish to receive a quote, please feel free to reach us by or by phone: +86 21 2206 3075. Our sales person will get back to you in 1 working day.

  • Specification
  • FAQ
  • In-Depth
AppearanceCrystalline Powder
ColorYellow or greenish-yellow
Particle Size100% through 80 Mesh
Loss on Drying5.5-9.0%
Residue on Ignition< 0.5%
Impurity quercetin< 5.0%
Heavy Metals< 20ppm
Assay (Anhydrous substance) by UV> 95.0%
Total Plate Count< 1,000cfu/G
Yeast & Mold< 100cfu/G

Quality Control

At Foodchem International Corporation, we apply strict quality control process to all our products. All Quercetin we provide has been strictly tested under HACCP and ISO standards and proved to be safe for using as food additive.

Storage&Handling Precaution

Handling Precaution: Handling of Quercetin should only be performed by personnel trained and familiar with handling of organic chemicals. Avoid skin and eye contact and breathing in dust. Avoid handling which leads to dust formation.

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