Pineapples originally come from Paraguay. Columbus discovered them in 1493 in Guadeloupe and from then on they became native to all tropical latitudes.
The pineapple is the cylindrical false fruit (pseudo-fruit) of the family Bromeliaceae and consists of a thickened, fleshy, very juicy axis core and inedible, scaly, warty skin, resembling a pine cone: only the polygonal, flattened outsides of the individual fruits are visible at the surface of the multiple fruit (syncarp). The fruit is topped by a crown of prickly leaves. The axis core (central cylinder) in the middle of the false fruit is woody and therefore inedible.
The English name "pineapple“ points to the similarity to a pine cone.
Important commercial varieties include "Smooth Cayenne“, the most important variety in the canning industry, the yellow "Queen“, which is cultivated for eating fresh, and the Spanish group, "Red Spanish“ likewise being suitable for eating fresh.
The pulp generally only reaches its full flavor if the fruit is left to ripen on the plant. The pale yellow to golden pulp is high in sugar and acids and has an excellent flavor (eating, luxury or dessert fruit).
The fruit is harvested while still firm (two-thirds ripe). In most varieties, the degree of ripeness of the fruit is clear from the yellowness of the skin. However, a pineapple may be fully ripe while still green on the outside. If one of the inner crown leaves can be pulled out easily, the pineapple is fully ripe.
Pineapples are tropical fruits that are rich in vitamins, enzymes and antioxidants. They may help boost the immune system, build strong bones and aid indigestion. And, despite their sweetness, pineapples are low in calories.
Pineapples are members of the bromeliad family, and are the only bromeliad that produces edible fruit, according to the Purdue University Center for New Crops and Plant Products. The fruit is made of many individual berries that grow together around a central core. Each pineapple scale is an individual flower, or berry. The nutritional benefits of pineapples are as attractive as their unique anatomy. "Pineapples contain high amounts of vitamin C and manganese," said San Diego-based nutritionist Laura Flores. These tropical fruits are also a good way to get important dietary fiber and bromelain (an enzyme).
"As well as having high amounts of manganese, which is important for antioxidant defenses, pineapples also contain high amounts of thiamin, a B vitamin that is involved in energy production," Flores said. For all its sweetness, one cup of pineapple chunks contains only 74 calories, according to the USDA National Nutrient Database. Pineapples are also fat-free, cholesterol-free and low in sodium. Not surprisingly, they do contain sugar, with about 14 grams per cup.