Deciphering the Conformations of Glutathione Oxidized Peptide: A Comparative NMR Study in Solution and SolidState Environments Senapati 2025 Magnetic Resonance in Chemistry Wiley Online Library Tripeptide an overview ScienceDirect Topics Kokumi! If you want a whole picture on umami, there's the core concept of glutamate, then a second level of umami boosting from ribonucleotides like IMP. There's a third layer that's not Catabolism of extracellular glutathione supplies cysteine to support tumours Nature