Quince jam jamie oliver

On this Wikipedia the language links are at the top of the page across from the article title. The quince tree is also grown as an ornamental plant quince jam jamie oliver its attractive pale pink blossoms and other ornamental qualities.

The immature fruit is green with dense grey-white fine hair, most of which rubs off before maturity in late autumn when the fruit changes colour to yellow with hard, strongly perfumed flesh. The seeds contain nitriles, which are common in the seeds of the rose family. In the stomach, enzymes or stomach acid or both cause some of the nitriles to be hydrolysed and produce hydrogen cyanide, which is a volatile gas. Four other species previously included in the genus Cydonia are now treated in separate genera. These are Pseudocydonia sinensis and the three flowering quinces of eastern Asia in the genus Chaenomeles.

Greek κυδώνιον μῆλον, kydonion melon “Kydonian apple”. Cydonia is included in the subfamily Amygdaloideae. The Greeks associated it with Cydonia on Crete, as the “Cydonian pome”, and Theophrastus, in his Enquiry into Plants, noted that quince was one of many fruiting plants that do not come true from seed. While quince is a hardy shrub, it may develop fungal diseases in hot weather, resulting in premature leaf fall. Quince is a hardy, drought-tolerant shrub which adapts to many soils of low to medium pH.

It tolerates both shade and sun, but sunlight is required to produce larger flowers and ensure fruit ripening. It is a hardy plant that does not require much maintenance, and tolerates years without pruning or major insect and disease problems. Quince is cultivated on all continents in warm-temperate and temperate climates. Fruits are typically left on the tree to ripen fully. In warmer climates, it may become soft to the point of being edible, but additional ripening may be required in cooler climates. They are harvested in late autumn, before first frosts. Quince is also used as rootstock for certain pear cultivars.