Since ancient times, chilis have been one of the most important elements of the human diet and its wide range of varieties has positioned it as an essential ingredient of Mexican cuisine.
The dried chilies are basic to many dishes, but specialists from the National Autonomous University of Mexico (UNAM ) warned that due to inadequate treatment in bulk marketing there are a number of problems, mainly related to the presence of animal feces, remains of insects and stones.
Sara Esther Valdés Martínez, who has been working on projects related to food safety for more than three decades, has . . .