Some minerals and water. Used in most pre-agricultural cultures. Only in a few cultures have these become major food crops, mostly at high elevations in the tropics or in the wet lowland tropics. Difficult to estimate production of many of these as they are consumed locally. Mostly water and starch.
Shipping involves shipment of water usually.
Little protein or fats. Most of them spoil easily when harvested. Cultivated at least 4000 years ago. These will grow at elevations where few other crops will grow. The early Spanish found them from Colombia to Chile.