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Advancing Grain Science Worldwide		 AACC International Approved Methods - AACC Method 07-20.01. Measurement of Tryptophan -- Alkaline Hydrolysis

AACC International Approved Methods

Amino Acids

AACC Method 07-20.01
Measurement of Tryptophan -- Alkaline Hydrolysis

VIEW METHOD

Objective
To measure tryptophan content in food products and feedstuffs by high-performance liquid chromatography (HPLC). Initially, protein is hydrolyzed under vacuum with 4.2N NaOH.