Adding chopped cilantro to your salsa could help keep illness-causing bacteria to a minimum. Cilantro contains antibacterial compounds that may help inhibit Salmonella choleraesuis, a common culprit in food poisoning. The best safeguards against food-borne illness are still frequent hand washing and safe food handling practices. However, serving meals with a side of cilantro-seasoned salsa may be both a nutritious and protective bonus.