The difference between brown and white rice is that the former is not milled. With the outer bran and germ intact, the rice is therefore chewier and nuttier.

Though not a true cereal but a fruit, buckwheat seeds resemble cereal grains and are often used in a similar way to rice, barley, bulgar or quinoa, usually as a side dish.

Buckwheat, like Marmite and durian, is a seriously divisive foodstuff, so it needs a seriously capable defence team if it's ever going to make it on to most people's dinner tables.

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