Histochemical analysis of plant metabolites in Pithecellobium dulce: Unveiling plant chemical diversity

Abstract

This study investigates the tissue-specific localization of bioactive compounds in Pithecellobium dulce, a tropical plant widely used in traditional medicine. Known for its therapeutic potential, the plant contains diverse phytochemicals such as quercetin, kaempferol, dulcitol, tannins, phenols, flavonoids, and saponins. Fresh sections of leaf, stem, fruit, and bark were subjected to histochemical staining using specific reagents to detect major metabolites including saponins, phenols, tannins, flavonoids, alkaloids, and glycosides. The analysis revealed distinct patterns of metabolite distribution across different tissues, highlighting the plant’s chemical diversity. These findings provide insight into the localization of pharmacologically important compounds and support the medicinal relevance of Pithecellobium dulce. The study lays a foundation for further exploration of its therapeutic applications and potential in drug development.