(of perishable goods) treated to stay fresh longer than usual(adjective)
WordNet. Princeton University. 2010.
Use "long-life" in a sentence
"So-called long-life bulbs will last up to 3,000 hours, but they may not put out as much light as others."
"WCL won the bid for an iron-ore project in Liberia that has long-life potential, with iron-ore resources exceeding one billion metric tons and saleable product of 330 million tons."
"Dernbach, born in Johannesburg, could have tipped the balance six to five in favour of post-colonial backpack man, a defining moment in what future England cricket historians may call The Theme Pub Years, an era when England players came gurgling straight out of the barrel ready-made, like a pint of brilliantly homogenised long-life Australo-Irish lager-stout product, obliterating once and for all the real ale raggedness of our indigenous tickle-stick-flailing Morris‑cricket traditions."