Parsley

Parsley (Petroselinum crispum) is a bright green, biennial herb, also used as spice. It is very common in Middle Eastern, European, and American cooking. Parsley is used for its leaf in much the same way as coriander (which is also known as Chinese parsley or cilantro), although it has a milder flavor. Two forms of parsley are used as herbs: curly leaf and Italian, or flat leaf (P. neapolitanum). Curly leaf parsley is often used as a garnish. Many people think flat leaf parsley has a stronger flavor, and this opinion is backed by chemical analysis which finds much higher levels of essential oil in the flat-leaved cultivars^{[citation needed]}. One of the compounds of the essential oil is apiol.

Another type of parsley is grown as a root vegetable. This type of parsley produces much thicker roots than types cultivated for their leaves. Although little known in Britain and the United States, root parsley is very common in Central and Eastern European cuisine, where it is used in most soups or stews. Though it looks similar to parsnip it tastes quite different.

The use of curly leaf parsley is often favored, because it cannot be confused with poison hemlock, like flat leaf parsley or chervil.

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Cultivation

Parsley's germination is notoriously difficult. Tales have been told concerning its lengthy germination, with some suggesting that "germination was slow because the seeds had to travel to hell and back two, three, seven, or nine times (depending on sources) before they could grow."^[1] Germination is inconsistent and may require 3-6 weeks.^[1]

Furanocoumarins in parsley's seed coat may be responsible for parsley's problematic germination. These compounds may inhibit the germination of other seeds, allowing parsley to compete with nearby plants. However, parsley itself may be affected by the furanocoumarins. Soaking parsley seeds overnight before sowing will shorten the germination period.^[1]

Parsley grows well in deep pots, which helps accommodate the long taproot. Parsley grown indoors requires at least five hours of sunlight a day.

In parts of Europe, and particularly in West Asia, many foods are served with chopped parsley sprinkled on top. The fresh flavor of parsley goes extremely well with fish. Parsley is a key ingredient in several West Asian salads, e.g., tabbouleh which is the national dish of Lebanon. In Southern and Central Europe, parsley is part of bouquet garni, a bundle of fresh herbs used to flavor stocks, soups, and sauces. Additionally, parsley is often used as a garnish. Persillade is mixture of chopped garlic and chopped parsley. Gremolata is a mixture of parsley, garlic, and lemon zest.

Medicinal uses

• Tea may be used as an enema. Chinese and German herbologists recommend parsley tea to help control high blood pressure, and the Cherokee Indians used it as a tonic to strengthen the bladder. It is also often used as an emmenagogue.^{[citation needed]}
• Parsley also appears to increase diuresis by inhibiting the Na+/K+-ATPase pump in the kidney, thereby enhancing sodium and water excretion while increasing potassium reabsorption.^[2] It is also valued as an aquaretic.
• When crushed and rubbed on the skin, parsley can reduce itching in mosquito bites.^{[citation needed]}

Health risks

• Parsley should not be consumed by pregnant women. Parsley as an oil, root, leaf, or seed could lead to uterine stimulation and preterm labor.^[3]
• Parsley is high (1.70% by mass, [1]) in oxalic acid, a compound involved in the formation of kidney stones and nutrient deficiencies.
• Parsley oil contains furanocoumarins and psoralens which leads to extreme photosensitivity if used orally.^{[citation needed]}

References

1. ^ ^{a b c} John W. Jett. "That Devilish Parsley." West Virginia University Extension Service. Last retrieved April 26, 2007.
2. ^ Kreydiyyeh S, Usta J (2002). "Diuretic effect and mechanism of action of parsley". Journal of ethnopharmacology 79 (3): 353-7. PMID 11849841.
3. ^ Parsley information on Drugs.com.

See also

• List of culinary herbs and spices
• List of culinary vegetables
• List of plants with edible leaves

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