Percentages are roughly approximated using US recommendations asparagus soup jamie oliver adults. Asparagus, or garden asparagus, folk name sparrow grass, scientific name Asparagus officinalis, is a perennial flowering plant species in the genus Asparagus. Its young shoots are used as a spring vegetable.

It was once classified in the lily family, like the related Allium species, onions and garlic. 15 together, in a rose-like shape. The root system, often referred to as a ‘crown’, is adventitious and the root type is fasciculated. It is usually dioecious, with male and female flowers on separate plants, but sometimes hermaphrodite flowers are found.

Asparagus foliage turns bright yellow in autumn. A mixture of these compounds form a “reconstituted asparagus urine” odor. This was first investigated in 1891 by Marceli Nencki, who attributed the smell to methanethiol. The onset of the asparagus urine smell is remarkably rapid while the decline is slower. The smell has been reported to be detectable 15 to 30 minutes after ingestion and subsides with a half-life of approximately four hours.

Ornithogalum pyrenaicum known as “Prussian asparagus” for its edible shoots. The English word asparagus derives from classical Latin but the plant was once known in English as sperage, from the Medieval Latin sparagus. John Walker wrote in 1791 that “Sparrowgrass is so general that asparagus has an air of stiffness and pedantry”. In Turkish, asparagus is known as kuşkonmaz, literally ” bird won’t land “, in reference to the shape of the plant. Since asparagus often originates in maritime habitats, it thrives in soils that are too saline for normal weeds to grow.