If you thought that a bowl of boiled broccoli would count towards your hallowed fie a day, think again.

如果你认为一大碗煮椰菜也可算在神圣的一天五份的蔬菜和水果之中，请三思。

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Broccoli and carrots, for example, are more nutritious when steamed than when raw or boiled - the gentle heat softens cell walls, making nutrients more accessible.

例如，煮熟的花椰菜和胡萝卜会比生的或是煮烂的更有营养，因为合适的热度可以软化细胞壁，使营养更容易溢出。

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