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Chiết Xuất Từ Hạt Củ Hành Tây Tự Nhiên Nguyên Chất Bột Khử Nước Chiết Xuất Từ Hành Tây Quercetin Dihydrate
Chiết Xuất Từ Hạt Củ Hành Tây Tự Nhiên Nguyên Chất Bột Khử Nước Chiết Xuất Từ Hành Tây Quercetin Dihydrate
Chiết Xuất Từ Hạt Củ Hành Tây Tự Nhiên Nguyên Chất Bột Khử Nước Chiết Xuất Từ Hành Tây Quercetin Dihydrate

 
 
Q: What are the food sources of quercetin?
Quercetin is found in a variety of foods. Vegetables include orchids, asparagus, shallots, green peppers, tomatoes and red lettuce, and fruits such as apples,grass,raspberries, grapes, blueberries, cranberries and currenzi.
Quercetin is also found in medicinal plants, including ginkgo, Hypericum perforatum and ginseng, as well as many seeds, nut flowers, bark and leaves, green tea and grapes.
Quercetin is found in a variety of foods, including fruits, vegetables, tea, wine, and other dietary supplements, and is beneficial to health.
 
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| Onion peel extratct | Sophora japonica extract |
| Product Name | High purity New design quercetin onion extract powder of China National Standard |
| Description | Yellow powder |
| Rescources |
Bulbs of onion or Sophora japonica extract |
| Detection method | HPLC  |
| Package & Storage |
Packing: aluminum foil bag or cardboard drum Storage: Please put it in a dry and ventilated place to avoid direct sunlight and high temperature. |
 
Q1:Can I get a sample?
A:Of course. For most products we can provide you a free sample, while the shipping cost should undertake by your side.
Q2:What&rsquos the MOQ?
A: For the high value product, our MOQ starts from 1g and generally starts from 10g.
For other low value product, our MOQ starts from 100g and 1kg.
Q3:Is there any discount?
A:Yes, different quantity has different discount.
Q4: How to confirm the Product Quality before placing orders?
A:  By sending you our available free samples.Or if you have special requirement on the goods, we can prepare samples according to your requirement for your confirmation.
Q5:What's your lead time?
A:We can arrange the shipment in 3 working days after receiving your payment, except the customised products. 

 
 
Q: What are the food sources of quercetin?
Quercetin is found in a variety of foods. Vegetables include orchids, asparagus, shallots, green peppers, tomatoes and red lettuce, and fruits such as apples,grass,raspberries, grapes, blueberries, cranberries and currenzi.
Quercetin is also found in medicinal plants, including ginkgo, Hypericum perforatum and ginseng, as well as many seeds, nut flowers, bark and leaves, green tea and grapes.
Quercetin is found in a variety of foods, including fruits, vegetables, tea, wine, and other dietary supplements, and is beneficial to health.
 
![]() |
![]() |
| Onion peel extratct | Sophora japonica extract |
| Product Name | High purity New design quercetin onion extract powder of China National Standard |
| Description | Yellow powder |
| Rescources |
Bulbs of onion or Sophora japonica extract |
| Detection method | HPLC  |
| Package & Storage |
Packing: aluminum foil bag or cardboard drum Storage: Please put it in a dry and ventilated place to avoid direct sunlight and high temperature. |
 
Q1:Can I get a sample?
A:Of course. For most products we can provide you a free sample, while the shipping cost should undertake by your side.
Q2:What&rsquos the MOQ?
A: For the high value product, our MOQ starts from 1g and generally starts from 10g.
For other low value product, our MOQ starts from 100g and 1kg.
Q3:Is there any discount?
A:Yes, different quantity has different discount.
Q4: How to confirm the Product Quality before placing orders?
A:  By sending you our available free samples.Or if you have special requirement on the goods, we can prepare samples according to your requirement for your confirmation.
Q5:What's your lead time?
A:We can arrange the shipment in 3 working days after receiving your payment, except the customised products. 
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