Olive oil has been part of the human diet for more than 6,000 years. Early on, it was kept in clay vessels called amphorae, but glass bottles became the container of choice a few millennia later.

Ideally, opt for a tin or a dark-coloured glass bottle rather than a clear one. 'This helps to block out light and prevent the oil from deteriorating, both on the shop shelves and when you get it home ...

olive oil does not improve the longer it is kept and once opened it will begin to slowly deteriorate, so don't buy your oil in large quantities. Try to buy your oil either in dark glass bottles or ...

The experts warn not to store olive oil in clear plastic or glass bottles (Picture: Getty Images) If you keep olive oil next to your hob or oven in the kitchen, you’re making a big mistake ...