Customization: | Available |
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Certification: | ISO, HACCP, Halal, Kosher |
Assay Method: | HPLC, UV |
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Product Name
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Quercetin
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Botanical Source
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Sophora japonica L.
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CAS No.
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117-39-5
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Specification
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95% ,98%
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Test Method
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HPLC,UV
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Appearance
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Green yellow fine powder
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Particle Size
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98% pass 80 Mesh
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Shelf Life
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24 Months
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1. Quercetin may expel phlegm and arrest coughing, it can also be used as anti-asthmatic.
2. Quercetin has antibacterial, anti-inflammatory and anti-allergic effects.
3. Quercetin has the effect of lowering blood pressure and blood lipid.
Analysis Item | Specification | Result |
Quercetin 98% | ≥98% | 98.45% |
Appearance | Green yellow fine powder | Conforms |
Particle size | 98% pass 80 mesh | Conforms |
Loss on drying | ≤3.0% | 0.95% |
Ash Content | ≤1.0 | 0.40% |
Heavy metal | ≤10ppm | Conforms |
Arsenic | <1ppm<> | Conforms |
Lead | <<>5ppm | Conforms |
Mercury | <0.1ppm<> | Conforms |
Cadmium | <0.1ppm<> | Conforms |
Pesticides | Negative | Conforms |
Solvent residences | ≤0.01% | Conforms |
Total Plate Count | ≤1000cfu/g | Conforms |
Yeast & Mold | ≤100cfu/g | Conforms |
E.coli | Negative | Conforms |
Salmonella | Negative | Conforms |
Q1: Can i get some samples? |
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers. |
Q2: How to start orders or make payments? |
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union |
or Paypal or Escrow(Alibaba). |
Q3: How to confirm the Product Quality before placing orders? |
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the |
samples. You can send us your product specifications and requests,we will manufacture the products according to your requests. |
Q4:What's your MOQ? |
A:Our MOQ is 1kg or 10g(Different products have different MOQs). But usually we accept less quantity such as 10g on the condition that sample charge is 100% paid. |
Q5: How about delivery leadtime? |
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included) |
Q6:Is there a discount? |
A:Different quantity has different discount. |
Q7: How do you treat quality complaint? |
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, |
we will send you free goods for replacement or refund your loss. |
Q8: How to contact us ? |
A:You can chat with us by Trademanager Online. You can choose your interested products and send inquiry to us. Send Email to us. |