Preliminary Analysis of Capsicum Annuum L. Extracts.

The aim of this study was to investigate Capsicum Annuum L. ultrasonicated extracts and dry powder. The percentage of water, dry matter and ash were determined. FT-IR analysis confirmed the presence of important classes of secondary metabolites in the extracts and by GC-MS a large number of important pharmaceutical compounds were identified, including capsaicin.

Content of metals in the seeds of Xanthium spinosum and Xanthium italicum.

The quantitative analysis of metallic cations in the seeds of Xanthium spinosum L. and Xanthium italicum Moretti was performed. The differences for the two species reflect the different presence of some organic compounds having a ligand character.