荷兰豆和豌豆是什么关系？怎么做好吃？对便秘有好处吗？

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荷兰豆系指豌豆中的软荚豌豆，又称食荚豌豆两者形状、营养价值等方面都有区别。

一、形状

荷兰豆是一种国外进口的豆类，它的形状是偏长而且有一点扁