In the global market for active nutraceutical ingredients, the synergistic combination of Kaempferol and Quercetin represents a crucial vector of therapeutic potential. Both belonging to the flavonol subgroup of polyphenols, these compounds are highly sought after by global formulation specialists in dietary supplements, clinical nutrition, pharmaceutical therapies, and advanced cosmetics. As consumer awareness shifts towards healthy longevity, cellular defense, and mitochondrial optimization, sourcing these compounds from reliable, certified production systems in China has become a focal strategy for purchasing managers globally.
This comprehensive industry analysis serves as an authoritative guide for international enterprise procurement directors, highlighting raw material metrics, structural quality validations, sustainable production infrastructures, and the unique advantages offered by China's leading manufacturing partnerships.
UniCare is a professional supplier of natural active ingredients. Our products are widely used in various fields such as dietary supplement, food, cosmetics and pharmaceuticals. We focus on product development and quality stability, and insist on growing together with our customers around the world.
UniCare has deep cooperation with several excellent Chinese manufacturers who have complete quality management system certifications, including but not limited to GMP, EUGMP, CEP, ISO9001, ISO22000, and HACCP. Each factory has independent testing capabilities and is equipped with advanced and efficient testing equipment to ensure the high quality and long-term stability of each batch of products.
Chinese botanical extraction plants have evolved from basic processing hubs to global leaders in automated, compliant, and highly pure chemical isolation.
China is home to the world's most extensive cultivation fields of Sophora japonica (Luzhou, Shaanxi, and Guangxi regions), the primary source for industrial Rutin extraction, which is enzymatic cleaved to yield pharmaceutical-grade Quercetin and derivative Kaempferol. Direct integration prevents raw material volatility.
By employing low-temperature countercurrent extraction technology, high-vacuum concentration, and dynamic column chromatography purification, Chinese plants ensure that Kaempferol and Quercetin retain maximum molecular activity while keeping residual solvents near zero, comfortably meeting global regulatory specifications.
Vertical industrial integration, energy cost optimization, and localized equipment manufacturing enable Chinese exporters to supply premium-grade flavonoid products at a cost structure that is far more competitive than Western alternatives, without compromising analytical compliance.




UniCare attaches great importance to the hardware conditions of production equipment and has the largest and most advanced extraction factory in China. The entire production line in UniCare is controlled by a modern, intelligent, automatic control system. Until now, UniCare has built up two GMP workshops, containing six multi-functional extraction lines, among which there is the only production line for Ginkgo Biloba Extract of acetone process in the whole China. Here are several other production lines including fermentation production lines and Chinese medicine pieces. A total of 30,000 tons of various Chinese medicine plant raw materials can be processed each year.
Kaempferol (3,4',5,7-tetrahydroxyflavone) and Quercetin (3,3',4',5,7-pentahydroxyflavone) are closely related plant metabolites that work in tandem to suppress cellular senescence, regulate inflammatory cytokines, and stimulate mitochondrial energy production. Their combined application has become a benchmark in longevity science (senolytics) and complex immunological formulas.
Crucially, pharmacological studies demonstrate that when co-administered, these molecules increase systemic bioavailability. Quercetin inhibits specific intestinal enzymes that would otherwise rapidly degrade Kaempferol. This allows higher systemic absorption of Kaempferol, magnifying its antioxidant and cardioprotective effects. For global brands, selecting a single source capable of supplying both high-purity compounds allows for optimized formulation designs and simplified vendor management.
The rise of cellular rejuvenation therapeutics has driven demand for flavonoids. Combining Quercetin and Kaempferol creates a powerful senolytic supplement that selectively targets and eliminates damaged, aging cells, supporting tissue health and longevity.
Premium cosmetics incorporate Kaempferol and Quercetin for their ability to inhibit collagenase and elastase enzymes. Their natural UV-protective properties block photo-aging pathways, making them highly valued in clean-label anti-aging skincare products.
With their ability to stimulate mitochondrial biogenesis and improve cellular oxygenation, these flavonoids help reduce post-exercise muscle soreness and accelerate tissue recovery, making them key ingredients in clean, natural sports supplements.
United New Life has established a leading and complete quality control system, and strictly controls the high quality of products in accordance with the quality system.
With advanced testing instruments, strict control of product quality, to provide every customer with high quality products. Detectable items are: Signature component detection (HPLC or UV), solvent residues GC, pesticide residues (organochlorine detection) GC-MS-MS, heavy metals (lead, arsenic, mercury, cadmium, copper) ICP-MS microscopic identification, moisture, dry weight loss, ash, microbial limits, thin layer identification, weighing, conductivity, PH, sulfur dioxide residue, routine detection, etc.
Important testing instruments are: Two UHPLC Agilent 1290 ultra-high performance liquid chromatographs, four HPLC Agilent 1260 high performance liquid chromatography sets, There are two HPLC Shimadzu LC-20AT high performance liquid chromatograph, two HPLC Diane CU3000, two Shimadzu evaporative light scattering detector 2000ES, one Shimadzu GC2010 gas chromatograph, and one Shimadzu AA-7000 atomic absorption system.
| Quality Parameter | Analysis Details & Specifications |
|---|---|
| Active Ingredient Analysis | Assay verification, specific chromatogram fingerprint identification |
| Hazardous Substance Analysis | Heavy metals, pesticide residue screening, residual solvents GC |
| Microbe Analysis | Bacterium, Escherichia coli, Yeast & mould, specific microbial tests |
| Raw Material Control | Pesticide residue, allergy origin, GMO status, traceable origin mapping |
| Laws & Regulations Confirmation | Continuous regulatory tracking for compliance in China, EU, US, and beyond |
| Stability Test | Shelf life validation based on long-term stability chambers |
| Physical/Chemical Parameters | pH value, moisture content, ash, optical rotation, particle size distribution, bulk density |
| Central Analytical Lab Instrumentation Capacity | ||
|---|---|---|
| UHPLC, Agilent 1290 (×2) | HPLC, Agilent (×4) | HPLC, Shimadzu LC-20AT (×2) |
| ELSD, Shimadzu 2000ES (×2) | Shimadzu GC-2010 (×1) | Shimadzu AA-700 (×1) |
UniCare invests 10% of our annual net profit in research and development. In addition to optimizing and developing the existing natural plant extraction process, we have also established a professional R&D department for the natural fermentation products. By increasing investment in natural fermentation products, we try to break through the traditional processes and disrupt industry development.
UniCare has deep cooperation with Beijing University of Chemical Technology in the field of fermentation, jointly developing and transforming the new raw materials of pharmaceutical, cosmetic, and natural health products into mass-produced products.
In order to control raw materials more efficiently and with higher quality, a raw material procurement system has been established, which extends procurement to every piece of planting land and can trace the raw materials of each batch of products. The storage of raw materials is operated according to the advanced quality management system process, and the content of active ingredients, moisture, ash, heavy metals, pesticide residues and other items of raw materials are strictly controlled.
At the same time, in order to further ensure the high quality of important products, UniCare cooperated with planting farmers to establish ginkgo leaf planting bases, epimedium planting bases, phellodendron planting bases, olive leaf planting bases, etc. Some of these bases are planted strictly in accordance with the GACP management model. In addition, we cooperate with seedling research and development companies to develop high-content seedling cultivation, and cultivate better seedlings through hybridization or gene optimization, so as to continuously reduce unit costs to benefit users.
Global enterprise procurement goes beyond simple ingredient purchasing; it requires securing a stable, compliant supply chain. Large-scale brands operating in highly regulated environments like the FDA (United States), EFSA (Europe), or PMDA (Japan) require rigorous documentation, consistent batch-to-batch quality, and absolute transparency.
Every product formulation requires specific properties. For capsule manufacturers, powder density and particle size distribution are critical to preventing assembly line downtime. For drink formulations, cold-water solubility is key. UniCare provides customizable solutions, including micronized flavonoid powders down to 80-100 mesh, granulated options for direct compression, and carrier-free formulations to meet strict clean-label requirements.
Our regulatory support team simplifies compliance checks by providing comprehensive document packages. We provide complete Technical Construction Files (TCF), Allergen Statements, Non-GMO declarations, pesticide residue profiles compliant with European Pharmacopoeia (EP 2.8.13), and heavy metal assays. This ensures smooth custom clearance and rapid domestic regulatory review.