Are Blueberries Really Blue? 藍(lán)莓真是藍(lán)色的嗎？

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The nutritional advice to “eat the rainbow” gets hard to follow once you reach the bottom half of the light spectrum. While red， yellow， and green foods are plentiful in nature， blue ingredients are much harder to come by. Even the most famously “blue” fruit in the produce aisle has a misleading name. As new research shared in the journal Science Advances explains， blueberries contain no blue pigments， which means they’re not blue in the true sense of the word.

“吃彩虹食物”這一營養(yǎng)建議不適用于位于光譜下半部分顏色的食物。（剩余2789字）