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Gardening Answers Knowledgebase


Knowledgebase record #206


Lemon: A Global History by Toby Sonneman, 2012

Reviewed by: Rebecca Alexander
Review date: 2013-11-27

book jacketI've always wondered about the warty etrog (citron, or Citrus medica) used as part of the Jewish observance of Sukkot (etrog represents one of The Four Species mentioned in the Biblical description of this festival; the others are palm, myrtle, and willow): what purpose did the fruit serve beyond the ritual, and how was this odd-looking fruit related to lemon? The answers to these and many other citrus-related questions may be found in Toby Sonneman's Lemon: A Global History, a volume in the Edible series from Reaktion Books (2012). It was a surprise to discover the important role of the citron (probably a wild species from northeast India) in the development of a 'citrus culture' that eventually gave rise to the lemon we use for its flavor. Citron, thick-skinned and inedible, was valued for its fragrance (mentioned in a Hindu text from before 800 B.C.E.). Its centuries-old use in Jewish ritual would eventually lead to cultivation in different parts of the world after the fall of Jerusalem in the year 70 C.E., when so many Jews dispersed across North Africa, into the Aegean, Spain, and Italy.

The lemon was probably an ancient natural hybrid, and its route to the Mediterranean is difficult to trace because of the confusion in written and visual depictions: lemons and citrons are hard to distinguish, and common names can be unreliable. Lemons hold an important place in Arab culture, and were also prized in Persia. Because of the lemon's need for water, farmers developed ingenious irrigation canals with stone tiles to regulate and direct water flow, these methods were widely adopted.

The first recipes using lemon appeared in a 12th century Egyptian treatise called On Lemon: Its Drinking and Use by Ibn Jumay, a Jewish physician in the court of Saladin. He devised a way of preserving lemons with salt, and mentions the fruit's medicinal uses for a wide range of conditions. Ibn Jumay's writing was translated, and lemon's culinary and medicinal fame spread.

Other points of interest:

  • Lemons were scarce and costly, and therefore a status symbol, in Northern Europe. You will find them in many 17th century Dutch still life paintings.
  • Cosimo III de'Medici grew 116 varieties of citrus in his gardens. The name Medici is possibly related to the name for citron, Median apple (Media being the Greek name for ancient Persia).
  • It took a long time for sea voyagers to figure it out, but lemons were an essential preventive against scurvy. (If you think about the term 'ascorbic' acid--something which is found in lemons and other citrus--you can see that it is anti-scurvy!) British English does not use 'lemon' in the pejorative sense of American English, perhaps a bow to the fruit's life-saving properties.
  • Harvesting lemons is a thorny business but the Meyer lemon has fewer thorns.

This pocket history reaches from antiquity to the present time, and is packed with colorful details and illustrations. You may also want to try making Ibn Jumay's preserved lemons, included along with several other more recent recipes.


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