98% Herbal Extract Quercetin Kaempferol CAS 520-18-3 HPLC Nmr COA

Product description

Usage And Synthesis

Kaempferol (3,5,7‐trihydroxy‐2‐[4‐hydroxyphenyl]‐4H‐1‐benzopyran‐4‐one) is a yellow bioactive flavonoid, which is present inmany edible plants such as tea, cabbage, broccoli, endive, kale, beans, tomato, strawberries, leek, and grapes. It has a significant role in reducing cancer and can act as a therapeutic agent in the treatment of diseases and ailments such as diabetes, obesity, cardiovascular diseases, oxidative stress, asthma, and microbial contamination disorders. Its efficacy, a broad range of activity, and low toxicity compared with other examined compounds, make it an attractive chemical in the fight against diseases (including cancer).

Our Service

1.Cooperate with research institutions, we strictly control the process from raw material to finished product.

2.We can provide the reasonable price, high quality products and prompt shipment.

3.We can send the goods to your delivery address directly. It is relatively safe and fast. 

4.Quick and clear response to customers questions, we’ll treat every email and message within 24 hours usually much faster.

5.We can provide you a discount if you place a substantial order with us.

6.Products can be packaged and company logo can be customized according to customer requirements.

Delivery

1. Sent out in 24hours once payment comfirm.
2. Professional agent make sure our ship fastly and safety
3.Offer your tracking number to you once we get it ,in order to facilitateyou track the express.



FAQ

Q1: Can i get some samples?
A: Yes, we can supply the sample, but the shipping cost be paid by ourcustomers.

Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosedour bank information. Payment by T/T, Western Union or Paypal.

Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay theshipping cost or arrange a courier to us and take the samples. You cansend us your product specifications and requests,we will manufacture theproducts according to your requests.

Q4:What's your MOQ?
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g onthe condition that sample charge is 100% paid.

Q5: How about delivery lead time?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chineseholiday not included)

Q6: Do You Ship Over The Weekend?
We use EMS,TNT,FEDEX,DHL four kinds of couriers. EMS don't collected parcelsover the weekend. The packages can be shipped out normally before 12:00a.m in Beijing time if you choose to ship by TNT or FedEx.