Lemon

From WikiMD's Food, Medicine & Wellness Encyclopedia

Lemon - whole and split.jpg

Pronounced LEH-mun, it is a small, yellow citrus fruit that is a source of citric acid and ascorbic acid also known as vitamin C

Scientific name[edit | edit source]

The lemon (Citrus limon) is a species of small evergreen trees in the flowering plant family Rutaceae Lemons (Citrus limon) are a citrus fruit native to Asia and a member of the Rutaceae family. They are characterized by their bright yellow color, acidic taste, and high vitamin C content. Lemons are widely used in cooking, baking, and beverages, as well as in cleaning and personal care products.

Lemons on a tree

History[edit | edit source]

  • Lemons are thought to have originated in northeastern India, northern Myanmar, or China, and have been cultivated for more than 2,500 years. They were brought to the Mediterranean region by Arab traders around the 10th century and later introduced to the Americas by Christopher Columbus in the late 15th century. Today, lemons are grown in many parts of the world, with major production areas including the United States (primarily California and Florida), Italy, Spain, and Mexico.

Cultivation[edit | edit source]

  • Lemon trees are small, evergreen trees that grow well in subtropical and tropical climates. They require well-drained soil, consistent watering, and full sunlight. Lemon trees can be grown from seeds or propagated from cuttings and typically start producing fruit within 3 to 5 years.
  • There are several varieties of lemons, including:
  • Eureka: A common commercial variety, Eureka lemons are large, with a thick skin and a high juice content.
  • Lisbon: Similar to Eureka lemons, Lisbon lemons have a thinner skin and are slightly more cold-tolerant.
  • Meyer: A smaller, sweeter variety, Meyer lemons have a thin skin and a lower acidity than other lemons. They are a hybrid between a lemon and a mandarin orange.

Nutritional Content[edit | edit source]

  • Lemons are low in calories and high in vitamin C, an essential nutrient that supports immune function, collagen production, and iron absorption. They also contain small amounts of other vitamins and minerals, including potassium, vitamin B6, and folate. The zest, or outer peel, of lemons is rich in plant compounds called flavonoids, which have antioxidant properties.

Culinary Uses[edit | edit source]

  • Lemons are a versatile ingredient in cooking and can be used in a variety of ways:
  • Juice: Lemon juice adds acidity and brightness to dishes, such as salad dressings, marinades, sauces, and beverages.
  • Zest: Lemon zest, or grated lemon peel, imparts a concentrated lemon flavor and can be used in baked goods, desserts, and savory dishes.
  • Preserved lemons: Whole lemons can be preserved in salt and lemon juice, creating a tangy, intensely flavored condiment used in Middle Eastern and North African cuisine.
  • Candied lemon peel: Lemon peels can be boiled in sugar syrup and dried, resulting in a sweet, citrusy treat or garnish.

Health Benefits[edit | edit source]

  • Lemons have been associated with several health benefits, including:
  • Antioxidant properties: The vitamin C and flavonoids in lemons have antioxidant properties, which may help protect against cellular damage caused by free radicals.
  • Digestive health: Some people claim that lemon water can aid digestion and alleviate symptoms of indigestion, although scientific evidence is limited.
  • Kidney stone prevention: The citric acid in lemons may help prevent kidney stones by increasing urine volume and decreasing calcium levels

Culinary use[edit | edit source]

  • The tree's yellow fruit is used for culinary and non-culinary purposes for its juice
  • The pulp and rind are also used in cooking as well as baking.
  • The juice of the lemon is about 5% to 6% citric acid
  • It has a pH of around 2.2, giving it a sour taste.
Lemon03.jpg

Lemon juice[edit | edit source]

The juice from lemons is used to flavor food and drink.

Medicinal value[edit | edit source]

Lemons and lemon juice, rich in vitamin C, is used to prevent scurvy.

Oil[edit | edit source]

Lemon oil (scented liquid taken from the peel) is used in aromatherapy.

Scientific name[edit | edit source]

The scientific name of the lemon tree is Citrus limon.

Gallery[edit | edit source]




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Contributors: Prab R. Tumpati, MD