Kaffir lime

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Citrus hystrix
Citrus hystrix dsc07772.jpg
Citrus hystrix on sale
Scientific classification
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Genus:
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C. hystrix
Binomial name
Citrus hystrix
Synonyms[2]
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  • Citrus auraria Michel
  • Citrus balincolong (Yu.Tanaka) Yu.Tanaka
  • Citrus boholensis (Wester) Yu.Tanaka
  • Citrus celebica Koord.
  • Citrus combara Raf.
  • Citrus echinata St.-Lag. nom. illeg.
  • Citrus hyalopulpa Yu.Tanaka
  • Citrus kerrii (Swingle) Tanaka
  • Citrus kerrii (Swingle) Yu.Tanaka
  • Citrus latipes Hook.f. & Thomson ex Hook.f.
  • Citrus macroptera Montrouz.
  • Citrus micrantha Wester
  • Citrus papeda Miq.
  • Citrus papuana F.M.Bailey
  • Citrus southwickii Wester
  • Citrus torosa Blanco
  • Citrus tuberoides J.W.Benn.
  • Citrus ventricosa Michel
  • Citrus vitiensis Yu.Tanaka
  • Citrus westeri Yu.Tanaka
  • Fortunella sagittifolia K.M.Feng & P.Y.Mao
  • Papeda rumphii Hassk.

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The kaffir lime (Citrus hystrix), sometimes referred to in English as the makrut lime[3] or Mauritius papeda,[4] is a citrus fruit native to tropical Asia, including India, Nepal, Bangladesh, Thailand, Indonesia, Malaysia and the Philippines.

Its fruit and leaves are used in Southeast Asian cuisine and its essential oil is used in perfumery.[5]

Common names

In English it is known as kaffir lime (also transliterated "kieffer lime") or makrut lime (magrood lime); in some locations it is known as combava. In French combava is also used, as is citron combera and citron ridé.[6] The countries where it is grown encompass several languages: Burmese: tau shauk hka တောရှောက်ခါး pronounced: [tɔ̀.ʃaʊʔ.kʰá]; Indonesian/Malay jeruk obat, jeruk purut, limau purut; Khmer krô:ch saë:ch;[6] Laotian mak khi hut (ໝາກຂີ້ຫູດ; pronounced [ma᷆ːk.kʰi᷆ː.hu᷆ːt]); Thai: makrut (มะกรูด; pronounced [ma.krùːt])[7] In South Indian cuisine it is used widely and is known as narthangai.

The Oxford Companion to Food [8] recommends that the term "makrut lime" be favored over "kaffir lime" because Kaffir is an offensive term in some cultures and has no contemporary justification for being attached to this plant. The etymology of the name "kaffir lime" is uncertain, but most likely was used by Muslims as a reference to the location the plant grew, which was populated by non-Muslims. The Arabic word for non-Muslims is Kafir.[9]

Description

File:Citrus hystrix Blanco2.408.png
Illustration of Citrus torusa (C. hystrix) by Francisco Manuel Blanco

Citrus hystrix is a thorny bush, 6 to 35 feet (1.8 to 10.7 m) tall, with aromatic and distinctively shaped "double" leaves.[10][11] These hourglass-shaped leaves comprise the leaf blade plus a flattened, leaf-like stalk or petiole). The fruit is rough and green; it is distinguished by its bumpy exterior and its small size (approx. 4 cm (2 in) wide).[11]

Uses

File:Kaffir lime leaf.jpg
Kaffir/Makrut lime leaves are used in some South East Asian cuisines such as Indonesian, Lao, Cambodian, and Thailand (มะกรูด).

Cuisine

The leaves are the most frequently used part of the plant, fresh, dried, or frozen. The leaves are widely used in Thai[7] and Lao cuisine (for dishes such as tom yum), and Cambodian cuisine (for the base paste "krueng"). Kaffir/Makrut lime leaves are used in Vietnamese cuisine to add fragrance to chicken dishes and to decrease the pungent odor when steaming snails. The leaves are used in Indonesian cuisine (especially Balinese cuisine and Javanese cuisine), for foods such as soto ayam, and are used along with Indonesian bay leaf for chicken and fish. They are also found in Malaysian and Burmese cuisines.[12]

The rind (peel) is commonly used in Lao and Thai curry paste, adding an aromatic, astringent flavor.[7] The zest of the fruit is used in creole cuisine to impart flavor in "arranged" (infused) rums in Martinique, Réunion and Madagascar. In Cambodia, the entire fruit is crystallized/candied for eating.[6]

Medicinal

The juice and rinds are used in traditional medicine in some Asian countries; the fruit's juice is often used in shampoo and is believed to kill head lice.[11]

Other uses

The juice finds use as a cleanser for clothing and hair in Thailand and very occasionally in Cambodia. Lustral water mixed with slices of the fruit is used in religious ceremonies in Cambodia.

Cultivation

Citrus hystrix is grown worldwide in suitable climates as a garden shrub for home fruit production. It is well suited to container gardens and for large garden pots on patios, terraces, and in conservatories.

Main constituents

The compound responsible for the characteristic aroma was identified as (–)-(S)-citronellal, which is contained in the leaf oil up to 80%; minor components include citronellol (10%), nerol and limonene.

From a stereochemical point of view, it is remarkable that kaffir/makrut lime leaves contain only the (S) stereoisomer of citronellal, whereas its enantiomer, (+)-(R)-citronellal, is found in both lemon balm and (to a lesser degree) lemon grass, (note, however, that citronellal is only a trace component in the latter's essential oil).

Kaffir/Makrut lime fruit peel contains an essential oil comparable to lime fruit peel oil; its main components are limonene and β-pinene.[5][13]

See also

References

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  8. (ISBN 0-19-211579-0)
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