By Jonathan Chadwick For Mailonline
Published: 12:23 GMT, 2 December 2019 | Updated: 12:38 GMT, 2 December 2019
A new, ultra-crunchy apple variety that is said to last up to a year in the fridge without going brown has gone on sale in the US.
The 'Cosmic Crisp' — which has taken over 20 years to hit the shelves following its initial breeding stages in 1997 — went on sale in Seattle supermarkets on Sunday.
The product is firm, juicy, tart and has 'unmatched sweetness', making it 'perfect for snacking, baking and entertaining', its official website claims.
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Seattle growers have exclusive licence to the Cosmic Crisp apple variety and have planted 12 million trees to accommodate commercial production. (AP Photo/Elaine Thompson)
Cosmic Crisp apples are large, juicy and acidic with a firm and crisp texture
The variety has been cultivated with naturally higher levels of acidity and sugar
It's said to be naturally slow to brown when cut and maintains its texture and flavour in storage for more than a year
There are about 72 calories in one medium Cosmic Crisp apple
The apple has been in development since 1997 as a rival to Red and Golden Delicious varieties
'It's an ultra-crisp apple, it's relatively firm, it has a good balance of sweet and tart and it's very juicy,' said Kate Evans, who co-led the apple's breeding programme at Washington State University.
The apple 'maintains excellent eating quality in