Search for bright, deep colour, a glittery lustre. They ought to be sweet and fruit-scented. Always, never purchase those that appear to be dull or with white shoulders - they will never ripen anymore!

Of course, they are usually frozen at their sparkling-fresh state, so the vitamins are preserved. At times, even better than fresh ones that have been lying around!

Yes! They contain natural melatonin (one of the few foods) and help minimize inflammation. Even a few minutes before bed may help you sleep.

Search for fat, thick grapes that are well secured by green (not brown) stems. Shake the bunch addressed lightly - if many of them fall, then the grapes are old. Taste one if the shop allows!

They were likely to be picked prematurely or kept cold too soon. After being off the vine, they do not fruit anymore, and it is always good to have plums that are good to taste.