Kaempferol dosage

Kaempferol testing measures the concentration of this natural flavonoid in plant extracts, plant powders, or dietary supplements. Found in many plant species, including tea, broccoli, onions, propolis, and ginkgo, kaempferol is known for its powerful antioxidant, anti-inflammatory, and protective properties against oxidative stress.

nutraceutical and herbal medicine manufacturers wishing to guarantee the quality and standardization of their plant-based products rich in flavonoids.

Kaempferol: a quality marker for plant extracts

Kaempferol (CAS No. 520-18-3) belongs to the large family of flavonols, alongside quercetin and myricetin. These molecules play a major role in defending plants against external aggressions and constitute bioactive compounds of interest for human health.

In nutraceutical products, kaempferol is often used as an analytical marker to control the quality of ginkgo, chamomile, aloe vera, or sophora extracts. Its concentration is correlated with the antioxidant activity and functional value of plant formulations.

The evaluation of its content therefore makes it possible to:

• standardize batches of plant extracts,
• verify compliance with pharmacopoeial monographs,
• ensure the reproducibility of biological effects,
• validate claims related to health, cellular protection or vitality.

Analytical methods used

The determination of kaempferol is carried out using high-precision chromatographic techniques, allowing the separation and quantification of flavonoids in complex matrices:

• HPLC-DAD (high-performance liquid chromatography with diode array detection) : reference method for the determination of total or individual flavonoids. It allows the quantification of kaempferol from its specific absorption spectrum in the UV-visible range.
• LC-MS or LC-MS/MS (liquid chromatography coupled with mass spectrometry) : this approach offers superior sensitivity and allows the identification of kaempferol and its glycosylated derivatives in complex plant extracts, while ensuring excellent selectivity.

Depending on the nature of the matrix, a purification step (liquid-liquid extraction or SPE) can be performed before analysis to eliminate interferences and improve the reliability of the assay.

YesWeLab also offers additional analyses to characterize the entire polyphenolic profile of an extract, such as the dosage of total flavonoids , the dosage of total polyphenols , or even the dosage of quercetin .

Sector interests and applications

The dosage of kaempferol is aimed at different industrial players:

• Nutraceuticals and phytotherapy : standardization of ginkgo, chamomile, green tea, propolis or red fruit extracts in antioxidant and anti-inflammatory formulations.
• Food industry : evaluation of flavonoid content in plant ingredients used for functional or enriched products.
• Research and development : study of the stability of kaempferol during extraction, drying or formulation processes.
• Natural cosmetics : control of the flavonol content in plant extracts used for their protective and soothing properties on the skin.

This analysis can be combined with complementary services such as rutin dosage , myricetin dosage , or resveratrol dosage , allowing a complete evaluation of the antioxidant profile of natural extracts.

Carrying out analyses at YesWeLab

YesWeLab entrusts the kaempferol measurement to partner laboratories with expertise in chromatographic and phytochemical analyses. These laboratories have the latest generation of HPLC and LC-MS/MS equipment, guaranteeing the accuracy, sensitivity, and reproducibility of measurements.

Most of our partners are certified or accredited according to the ISO 17025 standard and the COFRAC standard, ensuring compliance and traceability of results.

The YesWeLab scientific team supports each client in choosing the analytical method best suited to their needs: identification of free or glycosylated kaempferol, determination of the complete polyphenolic profile or quality control of standardized extracts.

Thanks to the YesWeLab digital platform, analysis management is simple and centralized: online quote requests, sample tracking, and rapid receipt of analytical reports. Since 2020, many players in the nutraceutical, herbal medicine, and natural ingredients sectors have trusted YesWeLab for the chemical characterization and validation of their plant extracts.

Technical data

• CAS No.: 520-18-3
• Methods: HPLC-DAD, LC-MS/MS
• Expertise: Physicochemical, nutritional
• Sectors of activity: Nutraceuticals, plants
• Measured parameters: Kaempferol and glycosylated derivatives

For any specific request, contact our team to obtain a personalized quote and analytical advice tailored to your plant extracts or formulations.