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6th Floor, 2nd Building, Xijing NO.3, XiJing Industrial Park, DianZi Western Street, Xi'an, Shaanxi, China
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+86-2988253271
Fisetin Powder
Test method: HPLC
Specification:50%,98%
Molecular weight: 286.24
Appearance: yellow powder
Extraction ratio: 50% 450:1 ;98% 1000:1.6-1.7
Two Factories & Three production lines
GMP standard workshop & two independent laboratories
FDA Cert.
Certifications: Halal,ISO9001,PAHS Free,NON-GMO,KOSHER,SC
Overseas warehouse(NJ,USA)
Delivery term: DHL, FEDEX, Air freight,Sea freight
Provide Free Sample
MOQ: 1KG
Not for Private Person Sale
Description
Fisetin Powder Supplier:
Guanjie Technology is one of the most professional herbal extract manufacturers and suppliers in China and has focused on fisetin for over 20 years, in which are more than 15 engineers in our team. We have 50% and 98% different specification that it is a kind of yellow powder. In order to test its quality, we apply HPLC testing method. We have acquired more than 14 patents for manufacturing of herbal extracts.There are 2 producing lines in our company and we can produce it about 20tons per year. We now have worked with more than 50 customers from USA,EU, Southeast Asia, and so on. If you want to buy fisetin powder, welcome to enquiry.

Why Choose Guanjie?
● Independent factories and labs.
● Provide the third party testing.
● Have been on this field for 20 years.
● Have strong Collaborators:Northwestern University and Chinese Academy of Sciences research center.
Product Introduction:
Smoke Tree Extract Fisetin is our most foemidable product.It is a potent antioxidant with anti-aging properties, which means it can extend life span and lifelong health. It is also a neuroprotective agent and an anti-inflammatory agent. Animal and in vitro studies show promising results for fexarone. Its plant antioxidants have attracted a lot of interest because people can consume them for long periods of time without negative effects.
The flow chart

COA
Item | Specification | Result | Method |
BasicProduct Information | |||
Genus and Species | Cotinus coggygria Scop. | Conform | / |
Part of the Plant | Branch | Conform | / |
Country of Origin | China | Conform | / |
Marker Compounds | |||
Content | 98% | 98.12% | HPLC |
Identification | Same spots as the reference | Conform | TLC |
Organoleptic Data | |||
Appearance | Powder | Conform | Visual |
Color | Yellow | Conform | GB/T 5492-2008 |
Odor | Characteristic | Conform | GB/T 5492-2008 |
Taste | Characteristic | Conform | GB/T 5492-2008 |
Physical Characteristics | |||
Particle Size | ≥95(%) Pass 80Mesh | 99.56 | GB/T5507-2008 |
Loss on Drying | ≤2(%) | 1.18 | GB5009.3 |
Total Ash | ≤2(%) | 0.76 | CP2015 |
Bulk Density | 40-60(g/100ml) | 53.24 | CP2015 |
Chemical Characteristics | |||
Residual Solvent | EP4 | Conform | Q/GJSW 0002S-2016 |
Pesticide Residue | EP4 | Conform | CP2015 |
Heavy Metals(as Pb) | ≤ 10(ppm) | Conform | USP<231>, method II |
Arsenic (As) | ≤ 2(ppm) | Conform | GB5009.11 |
Lead (Pb) | ≤ 2(ppm) | Conform | GB5009.12 |
Cadmium(Cd) | ≤ 0.5(ppm) | Conform | GB5009.15 |
Mercury(Hg) | ≤ 0.5(ppm) | Conform | GB5009.17 |
Microbiological Tests | |||
Total Plate Count | ≤1000(cfu/g) | Conform | GB4789.2 |
Total Holothuroidea & Mold | ≤100(cfu/g) | Conform | GB4789.15 |
E.Coli | Not Detected | Not Detected | GB4789.3 |
Salmonella | Not Detected | Not Detected | GB4789.4 |
Staphylococcus | Not Detected | Not Detected | CP2015 |
Source:
Extraction Part: The dried trunk of Sumac

Fisetin Testing Method:
● Chromatographic conditions
Chromatographic column: Inertsil ODS-3 4.6 × 250mm 5 μ m
Mobile phase: acetonitrile: water: phosphoric acid (23 ∶ 77 ∶ 0.1, V/V)
Detection wavelength: 368nm
Sensitivity: 0.01AUFS
Flow rate: 1mL/min
Injection volume: 20 μ L
Column temperature: 30 ℃
Methanol is analytically pure
● Solution preparation
1. Preparation of reference solution Weigh accurately about 4-5mg of urushiin reference solution into a 50mL volumetric flask and dissolve it with methanol to volume.
2. Preparation of sample solution Weigh accurately 4mg - 5mg of sample (content about 98%) into a 50mL volumetric flask, add about 50mL of methanol, dissolve it by ultrasonic oscillation for 30min, cool to room temperature, and use methanol to volume to the scale, and use 0.45 μ M microporous membrane filtration, namely.
● Sample determination
Under the above chromatographic conditions, after the instrument is stable and the baseline is stable, the sample is injected for determination. The retention time of urushidin is about 20 minutes, and the content is calculated.
External standard method calculation

Where: peak area of urushiin standard, S0;
The sample weight C0 of urushidin standard;
Peak area of urushidin in the sample, S1;
Sample weight C1;
Sample moisture, W percent.
98% control
Calculation by area normalization method
Manually remove the solvent peak before 4 minutes (the impact peak caused by the inconsistency between the mobile phase and the sample solvent), the minimum peak area shows more than 10, and the total retention time is 25 minutes. Check the peak area percentage of urushidin in the peak result table to obtain the area conversion content.
HPLC

Function
● Use as an antioxidant
Studies have shown that fexerone has the ability to scavenge free radicals that have significant biological effects. These oxygen radicals damage lipids, amino acids, carbohydrates and nucleic acids.
When we do not consume enough antioxidant foods, an imbalance of oxygen species occurs, which inhibits the body's ability to defend itself.
● Anti-aging activity
Research published in The Lancet found that fexerone, a flavonoid, has potent anti-aging activity in both mice and human tissue. This means that the antioxidant could prevent the replication of damaged DNA and thus may play a role in aging and age-related diseases. When researchers tested 10 flavonoids (including resveratrol, rutin, lignans, curcumin and fexerone), they found that fexerone was the most effective anti-aging drug.
● Reduce inflammation
If you want to increase your intake of anti-inflammatory foods, then start eating strawberries. According to research published in Advances in Experimental Medicine and Biology, fexofenadione has been shown to have powerful anti-inflammatory effects in cell culture and animal models associated with human disease.
● Promote Healthy Aging
Because fexerone is an anti-aging drug, it can extend your health and lifespan. Studies have shown that it promotes healthy aging by reducing oxidative stress and increasing levels of glutathione, a major intracellular antioxidant.
It also reduces the production of pro-inflammatory molecules and activates key neurotrophic factor signaling pathways that support growth, survival and healthy aging.
● Promote heart health
Research has shown that pure bulk fisetin can help promote cardiovascular health in a variety of ways.
One analysis reported that the antioxidant could induce heart regeneration by activating genes involved in cell proliferation. Researchers believe that it may prevent ischemic damage after a heart attack.
● There is some evidence that fexarone may also help prevent stroke. An animal study found that fexarone, quercetin and aspirin significantly prolonged clotting time and prothrombin time.
Our factory:
Guanjie factory covers an area of 7000㎡, including GMP standard workshop of 2000㎡ and advanced lab of 500㎡.

Our lab:

Quality control:
Fisetin powder is produced in a clean working environment and every step of the process is conducted by highly qualified professionals. Our testing center is beside our office, there are product and quality control center, in which we have all kinds of testing machines, such as: HPLC, GC,AAS,melting point, specific optical rotation,bacterial detection,PH,Ash content, and so on.

Certification:
Our factory and lab passed ISO9001, ISO22000, IP(non-GMO), QS, Kosher, Halal etc.

Package&Warehouse:

Shipment:
DHL, Sea freight, FEDEX, you can choose.

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