PDO (Product Denomination of Origin) certification is a quality brand that is attributed to the food with qualitative and peculiar characteristics originated by the territory of origin. The geographical environment (climate) includes both natural factors (climate, environmental characteristics) and human factors (production techniques hand down from generations). These factors combined together, permit to obtain a unique product. To obtain the PDO certification it’s necessary that the production system must to be in a delimited geographical area and that the producer must to be follow the production specification. The respect of the rules is guarantee by the inspection body.