GPT and metabolic syndrome: The urinary peptide fingerprints of the three groups (N, HA and HL) (Figure 3), as well as the sPLS-DA models (Figure 4), suggest that rats fed the H diets showed changes related to their physiological condition, since rats of groups HA and HL had steatosis with associated clinical symptoms, like dyslipidemia and increased activity of the enzymes ALT and AST.