Species and Mycotoxins Associated with Sorghum Grains in Uruguay.

Grain mold and stalk rot are among the fungal diseases that cause significant losses in sorghum worldwide and are caused by different spp. The presence of species in sorghum grains causes yield losses and mycotoxin contamination, which represents a risk to consumers. In this study, species complex (FGSC) had a high incidence, followed by species complex (FFSC) and species complex.

Synthetic chalcones, flavanones, and flavones as antitumoral agents: biological evaluation and structure-activity relationships.

A series of synthetic chalcones, flavanones, and flavones has been synthesized and evaluated for antitumor activity against the human kidney carcinoma cells TK-10, human mammary adenocarcinoma cells MCF-7 (estrogen receptor-positive), and human colon adenocarcinoma cells HT-29. The most active series is the chalcone ones with the best results against TK-10 and HT-29 cells. Fourteen out of 53 analyzed compounds resulted very active against at least two of the studied tumoral cells.