BACKGROUND Proper collection and storage of fecal samples is necessary to guarantee the subsequent reliability of DNA-based soil-transmitted helminth diagnostic procedures. Previous research has examined various methods to preserve fecal samples for subsequent microscopic analysis or for subsequent determination of overall DNA yields obtained following DNA extraction. However, only limited rese...

HIGHLIGHTS The blends of essential oils were effective against vegetative cells C. perfringens. antioxidants in the meat product. Essential have a preservative action mortadella.