ADDED EXTRAS

Don’t over-peel onions

Seventeen times more quercetin (a powerful antioxidant) is found in outer layers just beneath the skin

Go brambling Wild blackberries have shown to be richer in phytonutrients than shop-bought

Don’t be picky with peppers The white spongy tissue around the seeds on the inside of chillies and peppers contains up to four times the concentrations of antioxidants as the flesh

Reach for red Simply picking the reddest apple in the crate will give you the most antioxidants

Keep tomatoes out of the fridge Tomatoes can almost double their lycopene levels if stored at room temperature for a week or two

Purple power Sprouting broccoli varieties have up to three times the glucosinolates and twice as many polyphenols than round-head varieties