- Extract Powder
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- Fragrant Solomonseal Extract
- Elsholtzia Ciliata Extract
- Wormwood extract
- Red Radish Extract
- Arnica Extract
- Blue Lotus Extract
- Star Anise Extract
- Saxifraga Extract
- Red Bean Extract Powder
- Cistus Creticus Extract
- Luo Han Guo Extract Powder
- Saffron Extract
- Cranberry Extract
- Swertia Bimaculata Extract
- Ligustrum Extract
- White Willow Bark Extract
- Butterbur Extract
- Tongkat Ali Extract
- Grapefruit Extract
- Coix Seed Extract
- Carob Extract
- Lupinus Albus Extract
- Horse Chestnut Extract
- Kava Extract
- Dracocephalum Extract
- Olive Leaf Extract
- Lycoris Radiata Extract
- Schisandra Extract
- Scutellaria Extract Powder
- Semen Coicis Extract
- Sabah Snake Grass Extract Powder
- Phellinus Linteus Extract
- Lycium Extract
- Apple Extract
- Sophora Japonica Extract
- Lungwort Extract
- Acai Berry Extract
- Macleaya Cordata Extract
- instant green tea powder
- melissa officinalis extract
- dandelion extract
- ajuga turkestanica extract
- sesame extract
- rhodiola extract
- filipendula ulmaria extract
- chanterelle mushroom extract
- instant jasmine tea powder
- cistanche extract
- agaricus blazei extract
- agaricus bisporus extract
- agrocybe aegerita extract
- antrodia camphorata extract
- astragalus extract
- auricularia auricula extract
- bilberry extract
- black currant extract
- centella asiatica extract
- chlorella powder
- coprinus comatus extract
- cordyceps Extract
- coriolus versicolor extract
- desmodium extract
- Ecklonia Cava Extract
- epimedium extract
- eucommia extract
- evodia extract
- fenugreek extract
- fisetin extract
- flammulina velutipes extract
- fo-ti extract
- fucoxanthin extract
- ginkgo biloba extract
- ginseng extract
- grape seed extract
- graviola extract
- green coffee bean extract
- green tea l-theanine
- hawthorn extract
- hericium extract
- honeysuckle flower extract
- inonotus obliquus extract
- instant black tea powder
- kacip fatimah extract
- lovage extract
- luo han guo extract
- lutein extract
- lycium extract
- maitake mushroom extract
- mulberry extract
- muskroot extract
- olive leaf extract
- oolong tea extract
- phellinus linteus extract
- pine bark extract
- pomegrante extract
- polyporus umbellatus extract
- poria cocos extract
- pu erh tea extract
- pumpkin seed extract
- pleurotus eryngii extract
Q & A: Quercetin
Quercetin is a flavonol found in many fruits, vegetables, leaves, and grains. It can be used as an ingredient in supplements, beverages and foods.
Q: What is the regular specification of Quercetin?
A: Specification: 95%Quercetin
Q: Please specify the plant extract which has quercetin.
A: Sophora japonica extract,Golden Rod Extract, Guava leaf extract.etc
Q: What is the test method of Quercetin?
A: HPLC & UV-vis
Q: How do you dry this extract?
A: Spray drying
Q: What is the function?
A: 1,As an anti-oxidant,mainly used for oil, beverages, cold drinks, meat processing products.
2, It could be used as an natural pigment
3, This product has a good expectorant, cough effect, and have a certain role in asthma
4, Anti-tumor and anti-cancer.
Q: How about shelf life?
A: 2 years if sealed and store away from direct sun light.
Q: Could you give me details of extraction and solvent type for andrographis paniculata?
A: Method of Extraction: Hydro-alcoholic
Solvent Type: Grain alcohol/Water
We can offer you specification sheet and COA for Quercetin.