Where have all the white grapefruit gone? When I was a kid, they were almost the only kind around, but today white grapefruit are hard to find in my local shops, often replaced by sweeter pink or red varieties. I'm not imagining it. Thirty years ago, Florida, the grapefruit capital of North America, produced 27 million boxes of white and 23 million boxes of the coloured varieties. Today, they ship more than twice as many red and pink grapefruit as they do whites ones. And it turns out grapefruit is a bellwether of a more insidious trend. It affects much of the fresh produce aisle, from cauliflower to potatoes, tomatoes and juices. Our fruit and vegetables are becoming less bitter.
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