PIONEER IN
PLANT EXTRACT
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015
NutriHerb
Soy Isoflavones 10%~40% HPLC
Basic Information:
Soy Isoflavone is a natural phytoestrogen extracted from non-GMO soybeans. It contains key active compounds including Genistein, Daidzein and Glycitein, standardized by HPLC to ensure consistent potency and quality.
Our Soybean Extract Powder is available in 40% and 80% assay, suitable for dietary supplements, functional foods, beverages and women's health formulations.
Soy Isoflavones are naturally occurring phytoestrogens extracted from Glycine max. They are widely used in nutraceutical and functional food formulations for the following applications:
Helps support hormonal balance during different life stages, especially in menopause-related formulations.
Commonly used in bone nutrition blends targeting calcium metabolism and long-term skeletal wellness.
Provides antioxidant properties that help protect cells from oxidative stress.
Frequently incorporated into anti-aging and vitality-focused supplement products.
Suitable for estrogen-support positioning in women's dietary supplement products.
Dietary Supplements
Women's health formulations
Menopause support products
Bone health supplements
Functional Foods & Beverages
Nutrition powder blends
Protein drink fortification
Health snack formulations
Cosmetic & Personal Care
Phyto-based skincare formulations
Anti-aging ingredient blends
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
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.
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 Brown Powder | Complied | |||||||
Visual | |||||||||
Odour | Characteristic | Characteristic | Organoleptic | ||||||
Taste | Characteristic | Characteristic | Organoleptic | ||||||
Loss on drying (%) | ≤5.0 | 0.54 | USP | ||||||
Ash (%) | ≤5.0 | 1.32 | USP | ||||||
Particle Size | 100%Through 80 mesh | 100% | USP < 786 > | ||||||
Method of Extraction | Soak and Extraction | Complied | N/A | ||||||
Extraction Solvents | Food Grade Water&Alcohol | Complied | N/A | ||||||
Identification | Complies by TLC | Complied | TLC | ||||||
Total Isoflavones (%) | ≥ 40% | 40.86% | HPLC | ||||||
Daidzin | 0.80% | HPLC | |||||||
Glycitin | 0.12% | HPLC | |||||||
Genistin | 1.61% | HPLC | |||||||
Daidzein | 12.78% | HPLC | |||||||
Glycitein | 0.10% | HPLC | |||||||
Genistein | ≥25% | 25.45% | HPLC | ||||||
Heavy Metal Analysis | |||||||||
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) | ||||||
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: Within a week 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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