This document stipulates the sensory requirements, physical and chemical indicators, and safety indicators of L-theanine, describes the corresponding test methods, stipulates inspection rules and marking, labeling, packaging, transportation, and storage, and gives the chemical name, molecular formula, and structure Simplified formula and relative molecular mass information. This document applies to the production, inspection and sales of L-theanine produced by fermentation method using starch or sugar as raw material and used for food processing.
QB/T 5633.11-2023 history
2023QB/T 5633.11-2023 Amino acids, amino acid salts and analogues Part 11: L-theanine
QB/T 5633.11-2023 Amino acids, amino acid salts and analogues Part 11: L-theanine was changed to QB/T 4263-2011 L-Theanine .