oversies
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Botanical classification
In 1753 the tomato was placed in the genus Solanum by Linnaeus as Solanum lycopersicum L. (derivation, 'lyco', wolf, plus 'persicum', peach, i.e., "wolf-peach"). However, in 1768
Philip Miller placed it in its own genus, and he named it Lycopersicon esculentum. This name came into wide use but was in breach of the plant naming rules. Technically, the combination Lycopersicon lycopersicum (L.) H.Karst. would be more correct, but this name (published in 1881) has hardly ever been used. Therefore, it was decided to conserve the well-known Lycopersicon esculentum, making this the correct name for the tomato when it is placed in the genus Lycopersicon.
However, genetic evidence (e.g., Peralta & Spooner 2001) has now shown that Linnaeus was correct in the placement of the tomato in the genus Solanum, making the Linnaean name correct; if Lycopersicon is excluded from Solanum, Solanum is left as a paraphyletic taxon. Despite this, it is likely that the exact taxonomic placement of the tomato will be controversial for some time to come, with both names found in the literature.
A genome project for the tomato was begun in 2004, with a draft version of the full genome expected to be published by 2008. The genomes of its organelles (mitochondria and chloroplast) are also expected to be published as part of the project.
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Fruit or vegetable?
Botanically speaking, a tomato is the ovary, together with its seeds, of a flowering plant, that is a fruit or, more precisely, a berry. However, from a culinary perspective, the tomato is not as sweet as those foodstuffs usually called fruits and it is typically served as part of a main course of a meal, as are other vegetables, rather than at dessert. As noted above, the term "vegetable" has no botanical meaning and is purely a culinary term.
This argument has led to actual legal implications in the United States, Australia and China. In 1887, U.S. tariff laws that imposed a duty on vegetables but not on fruits caused the tomato's status to become a matter of legal importance. The U.S. Supreme Court settled this controversy in 1893, declaring that the tomato is a vegetable, using the popular definition which classifies vegetable by use, that they are generally served with dinner and not dessert. The case is known as Nix v. Hedden (149 U.S. 304). Strictly speaking, the holding of the case applies only to the interpretation of the Tariff Act of March 3, 1883, and not much else. The court does not purport to reclassify tomato for botanical or for any other purpose other than paying a tax under a tariff act. However, the USDA also considers the tomato a vegetable.
The tomato has been designated the state vegetable of New Jersey. Arkansas takes both sides by declaring the "South Arkansas Vine Ripe Pink Tomato" to be both the state fruit and the state vegetable in the same law, citing both its botanical and culinary classifications. In 2006, the Ohio House of Representatives passed a law that would have declared the tomato to be the official state fruit, but the bill died when the Ohio Senate failed to act on it.
But due to the scientific definition of a fruit and a vegetable, the tomato still remains a fruit when not dealing with tariffs. Nor is it the only culinary vegetable that is a botanical fruit: eggplants, cucumbers, and squashes of all kinds (including zucchini and pumpkins) share the same ambiguity.
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Pronunciation
The pronunciation of tomato
differs in different English-speaking countries; the two most common variants are /təˈmɑːtəʊ/ and /təˈmeɪtoʊ/. Speakers from the British Isles, most of the Commonwealth, and older generations among speakers of Southern American English typically say /təˈmɑːtəʊ/, while most American and Canadian speakers usually say /təˈmeɪtoʊ/. Most or all languages, apart from American English, have a word that corresponds more to the former pronunciation, including the original Nahuatl word whence they are all taken.
The word's dual pronunciations were immortalized in Ira and George Gershwin's 1937 song "Let's Call the Whole Thing Off" (You like /pəˈteɪtoʊ/ and I like /pəˈtɑːtəʊ/ / You like /təˈmeɪtoʊ/ and I like /təˈmɑːtəʊ/) and have become a symbol for nitpicking pronunciation disputes. In this capacity it has even become an American slang term: saying /təˈmeɪtoʊ, təˈmɑːtəʊ/ when presented with two choices can mean "Why should I care? There's no real difference."
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Safety
On October 30, 2006 the US Center for Disease Control and Prevention (CDC) announced that tomatoes might be the source of a salmonella outbreak causing 172 illnesses in 18 states.[1] The affected states include: Arkansas, Connecticut, Georgia, Indiana, Kentucky, Maine, Massachusetts, Michigan, Minnesota, North Carolina, New Hampshire, Ohio, Pennsylvania, Rhode Island, Tennessee, Virginia, Vermont and Wisconsin. Tomatoes have been linked to 7 salmonella outbreaks since 1990 (from the Food Safety Network).[5]