T/CITS 117-2024 Determination of β-Nicotinamide Mononucleotide (NMN) Content in Cosmetics by High-Performance Liquid Chromatography (HPLC) method
T/CITS 117-2024 Determination of β-Nicotinamide Mononucleotide (NMN) Content in Cosmetics by High-Performance Liquid Chromatography (HPLC) method
Basic Information
Scope
Scope: This document describes a high-performance liquid chromatography method for determining the content of β-nicotinamide mononucleotide (NMN) in cosmetics, including principles, reagents and materials, instruments and equipment, experimental steps, result calculation and presentation, repeatability, and quantitative limits. This document is applicable to the determination of NMN content in emulsion-type, ointment-type, and mask-type cosmetics containing NMN from biological fermentation. Main technical content: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Principles 5. Reagents and materials 6. Instruments and equipment 7. Experimental steps 8. Result calculation and presentation 9. Repeatability 10. Quantitative limits