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Standardized Procedure for Proximate Analysis by AOAC Methods: 2026 Technical Guide

"The following guide details the established chemical protocols for proximate analysis as dictated by the Association of Official Analytical Chemists (AOAC) International. As of 2026, these methodologies remain the gold standard for determining the primary nutritional components of food, feed, and biological samples. Analytical Framework of the Weende System Proximate analysis, often referred to as the Weende system, provides a quantitative estimation of the macronutrient composition of a sample. By 2026, while advanced instrumental techniques like Near-Infrared Spectroscopy (NIRS) have gained popularity for high-throughput screening, AOAC gra..."

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