Description: Castanha da Terra Fria PDO is the name given to the fruit of the chestnut (Castanea sativa Mill), Longal from the varieties, Judia, Côta, Amarelal, Lamela, Aveleira, Boa Ventura, Trigueira, Martainha and Negral. Each batch consists of 85% of one of the varieties and the remaining 15% may be completed by one of the other varieties mentioned. They may also benefit from the use of the denomination Castanha da Terra Fria the chestnuts presented pounded, frozen, candied or preserved in syrup.

Description: Castanha Marvão-Portalegre PDO is the name given to the fruit of the chestnut (Castanea sativa Mill), Longal from the varieties Bárea, Clarinha ou Enxerta, e Bravo. They may also benefit from the use of the denomination Castanha Marvão-Portalegre the chestnuts presented pounded.

Description: The Castanha dos Soutos da Lapa PDO is the fruit obtained from the chestnut tree (Castanea sativa Mill) of the Longal and Martaínha varieties. Batches must be homogeneous, that is to say, the nuts must be of the same origin, variety, quality, size and have substantially the same state of maturity or development.

Description: The Amêndoa Douro PDO is the fruit of the plant belonging to the Prunus dulcis (Mill.) D. A. Webb., variety.

Description: The pine nut kernel is obtained from the seed of Pinus Pinea L, of the Pinacea family. It has an ivory-white color, well marked, without any defect or smell, and the flavor is characteristic. The average dimensions of the pinion core are between 13 mm and 5,3 mm, with a length/width ratio of around 2,47.