Fig. 6

The biplot obtained from PLS describing the variations between the different harvesting ages of C. caudatus and the correlation between the metabolites in the extracts with TPC and α-glucosidase inhibitory activity. The following compounds contribute to the separation. 1 – quercetin derivatives; 2 - rutin; 3 - chlorogenic acid; 4 - proline; 5 - fatty acid; 6 - acetic acid; 7 – catechin