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NutriHerb
1-98% HPLC
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Basic Information:
Product Description
Kaempferol is a polyphenol that is a type of flavonoid, known as a flavonol. It is found in a number of foods consumed by humans, including Brussel sprouts, tea, grapefruit, broccoli, apples, onions, red wine, and many berries. This compound has been found to have a protective effect on human health. Studies suggest that it protects against heart disease and cancer.

| Name | Kaempferol |
| Specifications | Kaempferol 98% |
| Appearance | Light yellow crystal powder |
| Test method | HPLC |
| CAS NO | 520-18-3 |
| Extraction Type | Solvent Extraction |
| Part Used | Root |
| Sample | Free |
| Shipping time | 2-3 working days after payment |
Function and Application
Function :
1. It can inhitbitldose reductase eyes, bacterial,and Staphylococcus aureus and Pseudomonas aeruginosa, Salmonella typhi, Shigella.
2. It can treat cough and bronchitis.
3. It is conducive to the treatment of diabetic cataract.
4. When the concentration is 1 × 10-4mol / L, it can inhibit cell proliferation.
5. It is mainly used for anti-cancer, inhibiting growth, epilepsy, anti-inflammatory, antioxidant, antispasmodic, anti-ulcer, choleretic diuretics and cough.

Application :
Sophora Japonica Extract kaempferol applied in pharmaceutical field, it is mainly used as pharmaceutical materail.
Sophora Japonica Extract kaempferol applied in the field of health care products, it was used in capsules, health food,health care products and other beverages.
Sophora Japonica Extract kaempferol applied in cosmetic field.
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Our Advantages
1. Free sample
2. Owning cultivation base as 100% Natural material stable source.
3. Manufacturer direct supply, Powerful R&D team and advanced test center
4. Leading plant extract manufacturer in China.
5. No excuse return of goods
6. OEM & ODM is available
Company Profile
Nanjing NutriHerb BioTech Co., Ltd. is a professional manufacturer specializing in high-quality plant extracts. We integrate R&D, production, and sales, providing reliable natural ingredients for nutrition, pharmaceutical, cosmetic, and functional food industries.
We operate GAP-standard planting bases and apply advanced technologies, including supercritical CO2 extraction, to ensure high purity and stable quality. Our factory follows GMP and ISO standards with complete quality testing to guarantee batch consistency and safety.
We also offer flexible OEM/ODM services, including capsules, tablets, softgels, granules, and private label solutions. NutriHerb is committed to delivering safe, effective, and natural ingredients, and we welcome global partners to build long-term cooperation with us.
FAQ
Q1: Can I get some samples?
A1: Yes. We usually provide 20-50g samples free of charge.
Q2: What is your MOQ?
A2: Our MOQ is flexible. Trial orders of 1-10kg are acceptable, and the standard MOQ for formal orders is 25kg.
Q3: How long is the production and delivery time?
A3: The lead time is about one week after payment is confirmed. Lead times for customized products can be discussed further.
Q4: How do you deliver the goods?
< 50kg: shipped by FedEx, DHL, or other express couriers
≥ 100kg: shipped by air
≥ 100kg: shipped by sea
We can also arrange shipping according to your preference.
Q5: What is the shelf life of your products?
A5: The shelf life is 24-36 months, as stated on the COA.
Q6: How can I pay for my order?
A6: We accept T/T in advance, L/C, D/P, or other terms upon negotiation.
Q7: How do you control product quality?
A7: Our products undergo strict quality control throughout the entire process, including inspection by the National Commodity Inspection & Testing Bureau, accredited third-party labs, our internal QA team, and certifications such as ISO, Halal, and Kosher.
Q8: Do you accept ODM or OEM services?
A8: Yes. We provide ODM and OEM services for softgels, capsules, tablets, sachets, granules, private label products, and more. Contact us to design your own branded product.

Analysis Item | Specification | Analysis Result | Method | ||||||
Appearance | Yellow Powder | Complied | |||||||
Visual | |||||||||
Odour | Characteristic | Characteristic | Organoleptic | ||||||
Taste | Characteristic | Characteristic | Organoleptic | ||||||
Loss on drying (%) | ≤5.0 | 0.13 | USP | ||||||
Particle Size | 100%Through 80 mesh | 100% | USP < 786 > | ||||||
Part Used | Root | Complied | N/A | ||||||
Method of Extraction | Soak and Extraction | Complied | N/A | ||||||
Extraction Solvents | Food Grade Water&Alcohol | Complied | N/A | ||||||
Identification | Complies by TLC | Complied | TLC | ||||||
Assay Kaempferol (%) | ≥ 98% | 98.47% | HPLC | ||||||
Heavy Metal Analysis | |||||||||
Residual solvent ethanol | <5000ppm | <10ppm | GC | ||||||
Lead (Pb) | ≤2.0ppm | Complied | ICP-OES(CQ-MO-247) | ||||||
Arsenic (As) | ≤2.0ppm | Complied | ICP-OES(CQ-MO-247) | ||||||
Mercury (Hg) | ≤0.1ppm | Complied | ICP-OES(CQ-MO-247) | ||||||
Cadmium (Cd) | ≤1.0ppm | Complied | ICP-OES(CQ-MO-247) | ||||||
Pesticide Residue | USP Standard | Complied | USP39<561> | ||||||
Microbial Analysis | |||||||||
Total Plate Count (CFU/g) | ≤1,000 | Complied | FDA-BAM | ||||||
Yeast and Moulds (CFU/g) | ≤100 | Complied | FDA-BAM | ||||||
Coliforms (MPN/g) | Not detected | Not detected | FDA-BAM | ||||||
E. Coli (/g) | Not detected | Not detected | FDA-BAM | ||||||
Salmonella (/25g) | Not detected | Not detected | FDA-BAM | ||||||
Staphylococcus(/25g) | Not detected | Not detected | FDA-BAM | ||||||
Delivery:Sea/Air Shipping & International Express
Shipping Time: 2-3 working days after payment
Package: 1-5kg/Aluminum foil bag, size: 22cm (Width)*32cm (Length)
15-25kg/Drum, size: 38cm (Diameter)*50cm (Height)
Storage: Kept away from strong light and heat.
Shelf Life: 24 months
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