T/GDCA 021-2023 The evaluation of antioxidant activity of cosmetics using chemical methods
T/GDCA 021-2023 The evaluation of antioxidant activity of cosmetics using chemical methods
Basic Information
Scope
Scope: This document specifies the methods and procedures for evaluating the antioxidant activity of cosmetics and their raw materials using chemical systems. This document is applicable to the evaluation of the antioxidant activity of cosmetics (water-based solutions, emulsions, essences, etc.) and cosmetic raw materials (including natural extracts); Main technical content: Foreword 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Abbreviations 5 Evaluation methods 5.1 DPPH free radical scavenging capacity 5.2 Antioxidant capacity index (ORAC) 5.3 ABTS free radical scavenging capacity 6 Selection of evaluation methods 7 Validation of experimental methods 8 Determination of antioxidant evaluation results References