Plants

Although corn naturally contains niacin (nicotinic acid, vitamin B3, vitamin PP), it was not bioavailable without the process of nixtamalization (soaking and cooking the grain in an alkaline solution, usually lime water, washing and husking).

Napa cabbage is native to northern China and Japan.

Vanilla came to Europe half a thousand years ago. At the beginning of the 16th century, it was brought to Spain by the conquistador Hernán Cortés de Monroy Pizarro Altamirano, who had previewed the use of vanilla sticks at the court of the Aztec ruler Montezuma.

The dragon blood tree produces fruits described as a fleshy berries.

The sugar maple, also known as Acer saccharum, is a flowering plant in the family Sapindaceae.

Ginkgo was first treated as a fruit tree because of its edible seeds, and later as an ornamental tree.

Baobab species growing in Madagascar have more compact crowns and long, cylindrycal trunks compared to those growing in continental Africa.

Cocoa, cocoa beans, are the seeds of the fruit of the cocoa tree (Theobroma cacao).

Mandarine peel is used in the production of mandarine oil, which has a wide range of therapeutic uses.

For many centuries, fragrant citron oil has been used to make perfumes.