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showing vegetables for sale|thumb|300 px
Vegetable is a term which generally refers to an Eating part of a
plant. The definition is traditional rather than
scientific and is somewhat arbitrary and subjective. All parts of herbaceous plants eaten as food by
humans, whole or in part, are normally considered vegetables.
Mushrooms, though belonging to the
kingdom (biology) Fungus, are also commonly considered vegetables. In general, vegetables are thought of as being savory, and not
sweet, although there are many exceptions.
Nut (fruit)s, cereals,
herbs, spices and culinary
fruits (see below) are normally not considered vegetables.
Fruit, vegetable
Since “vegetable” is not a
botany term, there is no contradiction in referring to a plant part as a
fruit while also being considered a vegetable (see diagram). Given this general
rule of thumb, vegetables can also include
leaf vegetable (lettuce),
Plant stem (
asparagus),
root vegetable (
carrots),
flowers (broccoli), bulbs (garlic), seeds (
peas and beans) and fruit#Botanic fruit and culinary fruits such as
cucumbers, squash (vegetable),
pumpkins, and
capsicum. Botanically, fruits are reproductive organs (ripened Ovary (plants) containing one or many seeds), while vegetables are vegetative organs which sustain the plant.
The question "
is it a fruit, or is it a vegetable?" has even found its way into the
United States Supreme Court, which ruled unanimously in
Nix v. Hedden, 1893, that a tomato is a vegetable for the purposes of 1883 Tariff Act, although botanically, a tomato is a fruit.
Agriculture of vegetables is a branch of horticulture called
olericulture.
Etymology
Vegetable is also used as a literary term for any plant:
vegetable matter, vegetable kingdom.Swedenborg, Emanuel. (2003)
Swedenborg Concordance 1888. Kessinger Publishing. p. 502. ISBN 0-7661-3728-7. It comes from Latin
vegetabilis (animated) and from
vegetare (enliven), which is derived from
vegetus (active), in reference to the process of a plant growing. This in turn derives from the Proto-Indo-European base
*weg- or
*wog-, which is also the source of the English
wake, meaning "not sleep". The word
vegetable was first recorded in print in English language in the
14th century. The meaning of "plant grown for food" was not established until the
18th century.
In the diet
Vegetables are eaten in a variety of ways as part of Meal and as
Snack food. The nutrient content of different types varies considerably. With the exception of
pulses, vegetables provide little
protein and fat.Woodruff, Sandra. (1995)
Secrets of Fat-Free Cooking. Avery. p. 85. ISBN 0-89529-668-3.Whitaker, Julian. (2001)
Reversing Diabetes. Warner Books. pp. 269-71. ISBN 0-446-67658-6. Vegetables contain
Solubility vitamins like vitamin B and vitamin C,
fat-soluble vitamins including vitamin A and vitamin D, and also contain carbohydrates and
minerals and
fiber.Among the nutrients vegetables may have include
antioxidants, antibacterial,
antifungal,
antiviral, anticarcinogenic nutrients. Also, decaying or rotting vegetables (plant matter in general) may have reduced nutrients, but are often full of probiotic bacteria.
Color
,
IndiaThe green color of leafy vegetables is due to the presence of the green pigment chlorophyll. Chlorophyll is affected by pH and changes to olive green in
acid conditions, and bright green in alkaline conditions. Some of the acids are released in Steaming during
cooking, particularly if cooked without a cover.
The yellow/Orange (colour) colors of fruits and vegetables are due to the presence of
carotenoids, which are also affected by normal cooking processes or changes in pH.
The red/
blue coloring of some fruits and vegetables (e.g.
blackberries and
red cabbage) are due to
anthocyanins, which are sensitive to changes in pH. When pH is
neutral, the pigments are
purple, when acidic, red, and when alkaline, blue. These pigments are very water soluble.
Storage
Many root vegetable and non-root vegetables that grow underground can be stored through
winter in a root cellar or other similarly cool, dark and dry place to prevent
mold,
Potato#Toxic compounds in potatoes and
sprouting. Care should be taken in understanding the properties and vulnerabilities of the particular roots to be stored. These vegetables can last through to early
Spring (season) and be nearly as Nutrition as when
Post harvest freshness.
During storage, leafy vegetables lose moisture and vitamin C degrades rapidly. They should be stored for as short a time as possible in a cool place, in a container or plastic bag.
See also
Notes
External links
- UC Vegetable & Research Information Center
- Michigan Vegetable Information Network
Vegetable.org.uk
News: as of Friday 10 May, 2002, we are now providing an rsync mirror of the Gentoo Linux ports tree - you can even browse the files over HTTP here.
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