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Table 1 Identified metabolites in Annona crassiflora extracts

From: Nematicidal activity of Annona crassiflora leaf extract on Caenorhabditis elegans

Substances Chemical shift ( δ ); multiplicity; [coupling constant ( J /Hz)]
Alanine 1.48; d; [7.2]
Threonine 1.32; d; [6.6]
Valine 1.00; d. [7.0]; 1.05; d; [7.0]; 2.3; m
Choline 3.24; s
Sacarose 5.40; d; [3.8]; 4.17; d; [8.5]
α -glucose 5.18; d; [3.8]
β -glucose 4.58; d; [7.8]
Ferulic acid 7.56; d; [15.9]; 7.19; d; [2.1]; 7.10; dd; [8.4 and 2.1]; 6.88; d; [8.4]; 7.15; d; [2.8]; 6.33; d; [15.9]
Formic acid 8.46; s
γ - aminobutyricacid (GABA) 2.30; t; [7.2]; 3.01. t; [7.5]
Quercetin 7.70; d; [2.0]; 7.66; dd; [8.6 and 2.0]; 6.99; d; [8.6]; 6.52; d; [2.0]; 6.32; d; [1.8]
Trigonelline 9.14; s; 8.87; m