Table 4 Validation scoring scheme for candidate tuber intake biomarkers
Food item | Metabolites | Biofluid locations | Questionsa | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3a | 3b | 4 | 5 | 6 | 7 | 8 | |||
Potato | Solanidine | Plasma | Y | U | U | U | U | U | Y | U | U |
Serum | Y | U | Y | Y | U | U | Y | Y | U | ||
Saliva | Y | U | U | U | U | U | Y | Y | U | ||
α-Solanine | Serum | Y | Y | Y | U | U | U | Y | Y | U | |
α-Chaconine | Serum | Y | Y | Y | U | U | U | Y | Y | U | |
Total potato alkaloids (α-solanine, α-chaconine and aglycone solanidine) | Serum | Y | U | U | U | U | U | Y | Y | U | |
Saliva | Y | U | U | U | U | U | Y | Y | U | ||
Sweet potato | Pn 3-Caf·sop-5-glc | Plasma | Y | U | U | U | U | U | Y | Y | U |
Urine | Y | N | Y | U | U | U | Y | Y | U | ||
Cy 3-Caf·sop-5-glc | Plasma | Y | U | U | U | U | U | Y | Y | U | |
Urine | Y | U | Y | U | U | U | Y | Y | U | ||
Pn 3-Caf·sop-5-glc and Cy 3-Caf·sop-5-glc | Plasma | Y | U | Y | U | U | U | Y | Y | U | |
Cassava | Linamarin | Urine | Y | U | Y | U | U | U | Y | Y | Y |