
Red Clover Extract Powder 8% Isoflavones (HPLC)
8% Total Isoflavones
MOQ: 1 kg
Get CatalogControlled cleanroom suites and advanced extraction facilities
Accurate four-isoflavone quantification & safety validation
Direct agricultural origin with strict Trifolium crop rotation
Botanical identity fingerprinting to eliminate adulteration
Certified evaluation lots ready to dispatch in 48 hours
FedEx & DHL enterprise tiers for 3-5 day prompt air freight
A data-backed technical reference for dietary supplement brand owners, contract manufacturers, and topical skincare formulators seeking pure, standardized Trifolium pratense L. raw material.
Red Clover Extract Powder, botanically derived from the aerial flowering tops and stems of Trifolium pratense L., represents one of nature's richest and most biochemically balanced reservoirs of biological isoflavones. While conventional soy extracts provide predominantly genistein and daidzein, premium Red Clover Extract features a unique four-fold synergistic matrix encompassing Formononetin, Biochanin A, Daidzein, and Genistein.
Formononetin and Biochanin A serve as methylated precursors that undergo enzymatic demethylation within the human gut microbiome to produce highly bioavailable aglycone metabolites. Formononetin cleanly converts into daidzein and subsequently into equol, whereas Biochanin A metabolizes into genistein. These specific bioactive aglycones selectively bind to Estrogen Receptor-beta (β) rather than Estrogen Receptor-alpha (α). This selective estrogen receptor modulator (SERM-like) affinity offers profound tissue-targeted therapeutic advantages—supporting vasomotor stabilization, preserving bone mineral density, and promoting cardiovascular endothelial elasticity without provoking unwanted proliferative tissue stimulation.
Note: Custom standardization ranges (8%, 20%, 40% and customized carrier-free grades) can be precision-extracted at Gavra Bio-Tech's chromatography lines to meet tight dosage guidelines.
How global quality standards, supply chain transparency, and advanced extraction technologies are fundamentally reshaping B2B botanical purchasing.
Procurement officers are abandoning nonspecific UV spectrophotometric methods prone to false-positive polyphenol readings. Modern purchasing mandates multi-wavelength HPLC-DAD testing that resolves individual peak retention times for Formononetin, Biochanin A, Daidzein, and Genistein to prevent counterfeit botanical dilution.
Consumers demand maltodextrin-free formulations. Leading European and American supplement brands are demanding 100% native red clover extract powders dried without artificial bulking carriers, demanding high-efficiency spray drying and precise micro-granulation to preserve rapid flowability.
Regulatory crackdowns on Ethylene Oxide (ETO) and polycyclic aromatic hydrocarbons (PAHs) mean buyers require batch-by-batch ICP-MS heavy metal clearance (Pb ≤ 1.0 ppm, As ≤ 1.0 ppm, Cd ≤ 0.5 ppm, Hg ≤ 0.1 ppm) and verifiable non-irradiated sterilization certificates.
While vasomotor symptom reduction in perimenopausal health has historically represented 70% of red clover raw material volume, high-potency Red Clover Extract Powder is rapidly breaking through into adjacent multi-billion-dollar therapeutic categories:
Compound annual growth rate (CAGR) for phytoestrogen-infused topical anti-aging and scalp treatments is projected at 8.4% globally through 2030, outstripping traditional multivitamin supplements.
Hydroethanolic and closed-loop water extraction have completely superseded hazardous chlorinated solvent processes. Gavra Bio-Tech's 3 dedicated production lines ensure zero harmful solvent residue under USP <467> Class 1, 2, and 3 thresholds.
With 500 acres of controlled agricultural base, Gavra Bio-Tech provides end-to-end traceability from non-GMO seeds, unadulterated soil conditions, and optimal flowering harvests down to sealed drum delivery.
Discover our core Red Clover Extract grades alongside high-synergy botanical extracts and bioactive peptides.
All Ingredients
8% Total Isoflavones
MOQ: 1 kg
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20% Active Phytoestrogens
MOQ: 1 kg
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40% Biochanin/Formononetin
MOQ: 1 kg
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99% Purity (HPLC)
MOQ: 1 kg
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Every lot manufactured at Gavra Bio-Tech Co.,Ltd. is audited against the following strict release specifications before export clearance.
| Analysis Parameter | Standard Specification | Analytical Methodology | Compliance Reference |
|---|---|---|---|
| Active Botanical Identity | Consistent with Trifolium pratense L. | HPTLC Botanical Fingerprint | Swiss CAMAG Scanner Standard |
| Total Isoflavones Assay | ≥ 8.0%, ≥ 20.0%, or ≥ 40.0% | HPLC-DAD (Formononetin + Biochanin A) | USP / In-House Validated |
| Physical Appearance | Fine brown-green to tan homogenous powder | Visual / Organoleptic Inspection | Internal Spec SOP-QC-014 |
| Particle Size Distribution | 95% through 80 mesh (100-200 mesh available) | Standard Sieve Method (USP <786>) | Dry Direct Compression Grade |
| Loss on Drying (Moisture) | ≤ 5.0% w/w | Halogen Moisture Analyzer (105°C) | USP <731> / Ph. Eur. 2.2.32 |
| Total Ash Content | ≤ 5.0% w/w | Muffle Furnace (550°C Ashing) | USP <561> |
| Heavy Metals (Total as Pb) | ≤ 10.0 ppm max | ICP-MS Spectrometry | USP <232> / <233> Compliant |
| Lead (Pb) / Arsenic (As) | Pb ≤ 1.0 ppm | As ≤ 1.0 ppm | Inductively Coupled Plasma MS | California Prop 65 / EU Regulation |
| Cadmium (Cd) / Mercury (Hg) | Cd ≤ 0.5 ppm | Hg ≤ 0.1 ppm | Inductively Coupled Plasma MS | EC 1881/2006 Standard |
| Residual Extraction Solvents | Ethanol ≤ 2000 ppm (Chlorinated solvents: None) | Headspace Gas Chromatography (GC-MS) | USP <467> / EP Class 3 |
| Total Aerobic Plate Count | ≤ 1,000 CFU/g max | Microbiological Plating (USP <2021>) | Dietary Supplement Hygiene Std |
| Yeast and Molds | ≤ 100 CFU/g max | Microbiological Plating (USP <2021>) | Cleanroom Certified Lot |
| E. Coli & Salmonella | Negative in 10g / Negative in 25g | Selective Enrichment Culture | USP <2022> Food Safety |
Batch documentation including HPLC chromatograms, heavy metal certificates, non-GMO affidavits, and MSDS dossiers accompany each shipment.
Get CatalogGavra Bio-Tech Co., Ltd. was established in 2021 in Henan, China. The company focuses on the direct manufacturing and export of plant extracts, cosmetic raw materials, plant proteins, and other health food and nutraceutical essentials. Backed by solid comprehensive national strength, we operate a dedicated Research and Development center and an ultra-modern Analysis and Testing Center to guarantee that every commercial batch strictly conforms to international quality criteria.
Our upstream integration spans 500 acres of experimental cultivation fields, giving us uncompromised mastery over botanical provenance, cultivar integrity, and harvesting seasonality. Within our 8,000 square meters of GMP standard workshops, Gavra Bio-Tech houses three specialized industrial production lines covering extraction, continuous vacuum distillation, rectification, and preparative chromatography, operated alongside more than 150 sets of advanced experimental and processing equipment.
We believe international trust is earned through repeatable scientific measurement. Products are systematically assayed using US Waters LC-MS, UV-Vis, and Swiss HPTLC systems before leaving our doors.
Precision mass confirmation, active isoflavone profiling, and trace contaminant detection.
Rapid photometric quantification and batch color spectrum uniformity monitoring.
Chromatographic botanical fingerprinting identifying authentic Trifolium pratense species.




Whether sourcing bulk active pharmaceutical and food ingredients (API/FSI) or contract manufactured finished goods, Gavra Bio-Tech delivers complete supply chain agility.
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Turnkey contract manufacturing for Red Clover gummies, two-piece hard vegetable capsules, and enteric-coated tablets customized to formula and packaging specs.
DC-grade free-flowing powders, micro-pulverization from 80 to 200 mesh, and customized vacuum nitrogen-flushed protective packaging.
Strategic logistics partnership ensuring prioritized container booking, DDP customs clearance, and seamless multi-modal delivery worldwide.
Flexible ordering parameters, diverse payment methods, and certified international shipping arrangements designed for high-efficiency procurement teams.
Standard warehouse stocks ship within 3-5 days following payment confirmation. Custom extraction runs or customized private-label production schedules are confirmed upon project initiation.
Clear, unhedged answers to the most common chemical, legal, regulatory, and supply chain questions raised by global B2B procurement specialists.
Connect with our technical sales engineers in Henan, China. Request full technical dossiers, chromatographic chromatograms, and wholesale tiered quotes with an average turnaround under two hours.
[email protected]Gavra Bio-Tech technical account specialists ready to serve your formulation needs