AOAC SPDS Meeting Book March 19 2015

DRAFT AOAC SMPR 2015.XXX; Version 4; December 3, 2014 1 2 Method Name: Determining Withanolide glycosides and aglycones of 3 Ashwagandha (Withania somnifera) 4 5 Intended Use : Reference method for cGMP compliance.

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1. Purpose

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AOAC SMPRs describe the minimum recommended performance characteristics to be used during the evaluation of a method. The evaluation may be an on-site verification, a single- laboratory validation, or a multi-site collaborative study. SMPRs are written and adopted by AOAC Stakeholder Panels composed of representatives from the industry, regulatory organizations, contract laboratories, test kit manufacturers, and academic institutions. AOAC SMPRs are used by AOAC Expert Review Panels in their evaluation of validation study data for method being considered for Performance Tested Methods or AOAC Official Methods of Analysis , and can be used as acceptance criteria for verification at user laboratories. [Refer to Appendix F: Guidelines for Standard Method Performance Requirements , Official Methods of Analysis of AOAC INTERNATIONAL

(2012) 19th Ed., AOAC INTERNATIONAL, Gaithersburg, MD, USA.]

2. Applicability :

Methods shall quantitatively determine withanolide glycosides and aglycones of interest from

biomass, extracts, and Ashwagandha-containing finished products.

3. Analytical Technique :

Any analytical technique(s) that measures the analytes of interest and meets the following method

performance requirements is/are acceptable.

4. Definitions :

Dietary Ingredients

A vitamin; a mineral; an herb or other botanical; an amino acid; a dietary substance for use by man to supplement the diet by increasing total dietary intake; or a concentrate, metabolite, constituent,

extract, or combination of any of the above dietary ingredients. 1

Dietary Supplements

A product intended for ingestion that contains a "dietary ingredient" intended to add further nutritional value to (supplement) the diet. Dietary supplements may be found in many forms such as

tablets, capsules, softgels, gelcaps, liquids, or powders.

Limit of Quantitation (LOQ)

The minimum concentration or mass of analyte in a given matrix that can be reported as a

quantitative result.

1 Federal Food Drug and Cosmetic Act §201(ff) [U.S.C. 321 (ff)