The nitrite contents and its change speed in leaf vegetables was obviously higher than that in melon or fruit vegetables and root or stem vegetables.

叶菜类蔬菜中的亚硝酸盐含量及其变化速率均明显高于瓜果类和根茎类蔬菜。

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Vegetables can be a root, stem, leaf, or flower.

蔬菜可以是根、茎、叶或者花。

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They are also called as "forest vegetables "or" mountain and forest vegetables", so their edible organs include the root, stem, fruit and flowers of some forest plants and mushroom.

也有“森林蔬菜”或“山林蔬菜”之说，即包括某些森林植物的根、茎、果、花和菌类。

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