Dosage of dioscin (saponin)

Dioscin analysis is a key benchmark for quality control and titration of plant extracts used in nutraceuticals and cosmetics. Dioscin is a steroidal saponin naturally present in certain species of Dioscorea (wild yams). As a marker of authenticity and activity, its precise quantification is essential for evaluating an extract and ensuring its safe market entry. At YesWeLab, we perform dioscin analysis using HPLC and LC-MS , partnering with a laboratory selected based on your specific matrix and objectives.

What is dioscin?

Dioscin (CAS number 19057-60-4) is a steroidal saponoside whose aglycone is diosgenin. Extracted primarily from the rhizomes of Dioscorea, it is valued for its functional properties and serves as a precursor in semi-synthesis. In a plant extract, its content is a direct indicator of the richness in active ingredients. Dioscin analysis thus allows for:

• guarantee the quality and standardization of batches of extracts (saponin titration);
• authenticate the plant species and detect any possible substitutions or dilutions;
• documenting a nutraceutical or cosmetic dossier and meeting customer requirements;
• monitor the stability of the active ingredient during the process and storage.

Principle of the analysis: HPLC and LC-MS

The analysis begins with an extraction tailored to the matrix, followed by separation using high-performance liquid chromatography (HPLC) with appropriate detection, or liquid chromatography coupled with mass spectrometry (LC-MS) for more specific identification and quantification. LC-MS is particularly useful for distinguishing dioscin from other similar saponins and for working with low concentrations. The choice of technique depends on the complexity of the matrix, the desired threshold, and the required level of specificity. Our scientific team will work with you to define the most appropriate protocol.

Matrices analyzed

Dioscin analysis is applicable to plant extracts, root and rhizome powders, as well as finished food supplements (capsules, tablets, powders). Each type of sample undergoes specific preparation to ensure complete extraction and representative quantification.

Further analyses of the catalogue

Dioscin analysis can be readily integrated into a broader phytochemical characterization. We recommend combining it with other services from our analytical catalog :

• The measurement of diosgenin (triterpene), the aglycone of dioscin, for a complete profile;
• The measurement of jujuboside A (saponin) and the measurement of medicagenic acid to broaden the panel of saponins;
• The measurement of quinoline derivatives and the measurement of equol for other plant markers of interest;
• The measurement of impurities, essential for quality control of extracts;
• The dry matter dosage to express your results on a dry basis;
• Bioavailability testing to assess the absorption of active ingredients.

Why entrust your dioscin dosage to YesWeLab?

At YesWeLab, we collaborate with a rigorously selected network of laboratories, most of which are certified and/or accredited (ISO 17025, COFRAC, etc.). These laboratories are chosen based on your specific needs, the matrices to be analyzed, and the required analytical techniques or methods.

If you have specific requirements—quantification threshold, validated method, guaranteed titration—please specify them in your request: our scientific team will do everything possible to respond accurately and promptly. Since 2020, numerous manufacturers, distributors, and engineering firms have entrusted us with the management of their analyses, sending us their samples via our digital platform.

Request a quote for a dioscin test

Do you need to determine the dioscin content of your Dioscorea extract , root powder, or dietary supplement? Add this analysis to your quote in just a few clicks or contact our scientific team for personalized support. We guarantee a laboratory suited to your specific product, a relevant HPLC or LC-MS method, and results that can be directly used for your quality and regulatory documentation.