Improvement of lipase obtaining system by orange waste-based solid-state fermentation: production, characterization and application.

Lipases are an economic important group of biocatalysts that can be produced by some fungal under solid-state fermentation. Orange wastes are source of lipases and potential substrates for lipases production. This work assessed 19 fugal strains cultivated in orange wastes (peel, frit and core) for production of lipases in order to generate compounds with antioxidant, antimicrobial and cytotoxic properties.

Microbiological control and antibacterial action of a propolis-containing mouthwash and control of dental plaque in humans.

Propolis is a bee product with several biological properties. This study aimed at investigating a propolis-containing mouthwash, its organoleptic properties, microbial contamination and its antibacterial action in vitro. This mouthwash was assessed in vivo to control dental plaque in humans.

Absence of effects on the rat sperm quality after subacute exposure to low doses of fungicide prochloraz.

Prochloraz (PCZ) is a fungicide and androgen-receptor antagonist used worldwide in horticulture and agriculture. Pre- and perinatal exposure to this pesticide during sexual differentiation is deleterious for male offspring. Since data on the effects of PCZ on epididymal functions are scarce, and because sperm maturation occurs in this organ, the present investigation aimed to determine whether low PCZ doses administered to rats during the phase of sperm transit through the epididymis might affect the morphophysiology of this organ and sperm quality.