Research Article

Evaluation of Antioxidant Capacity of Solanum sessiliflorum (Cubiu) Extract: An In Vitro Assay

Table 3

Tests for the 70% hydroethanolic extract of the fruit Solanum sessiliflorum Dunal.

Compound classes assessedTest results

Alkaloids
 Mayer reagent
 Dragendorff reagent++
 Bouchardat reagent
 Bertrand reagent++
 Reaction of confirmationDragendorff and Bertrand
Organic acids++ pH = 5.5–6
Phenols+++
Heterogeneous flavonoids
 Tauböck or Oxalo-boric reaction+++
 Pacheco reaction
 Shinoda reaction+
Coumarins+
Anthraquinones
Sterols and Triterpenes

+++: strongly positive/++: positive/+: traits/−: negative.