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General
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Sesame, Sesamum indicum L., is an ancient oil crop supplying seeds for
confectionery purposes, edible oil, paste (tahini), cake and flour.
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It is
typically a crop of small farmers in the developing countries.
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Sesame
seed contains antioxidants which inhibit the development of rancidity in
the oil. In the food industry, where synthetic antioxidants are used
extensively, there is an increasing demand for more natural products.
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Sesame
seeds are tiny, flat oval seeds with a nutty taste and a delicate,
almost invisible crunch. They come in a host of different colors,
depending upon the variety, including white, yellow, black and red.
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Sesame
seeds are highly valued for their high content of sesame oil, an oil
that is very resistant to rancidity.
Growth
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Sesame
grows best on well drained soils of moderate fertility.
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The
optimum pH for growth ranges from 5.4 to 6.7.
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Good
drainage is crucial, as sesame is very susceptible to short periods of
waterlogging.
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Sesame
is intolerant of very acidic or saline soils.
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The
response of sesame to both temperature and day length indicates that it
is well adapted to wet season production in the tropics, or summer
production in the warmer temperate areas.
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The
total amount of water required to grow a sesame crop ranges from 600 to
1000 mm, depending on the cultivar and the climatic conditions.
Benefits
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Sesame
seeds are a very good source of copper and a good source of magnesium
and calcium.
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Sesame
seeds contain two unique substances: sesamin and sesamolin. Both of
these substances belong to a group of special beneficial fibers called
lignans, and have been shown to have a cholesterol-lowering effect in
humans, and to prevent high blood pressure and increase vitamin E
supplies in animals.
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Sesamin has also been found to protect the liver from oxidative damage.
Market
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Japan
was the largest importer taking 24% of the world imports. The second
largest importer was the USA with 8% of world imports.
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It is
forecast that the imports of sesame seed will grow at between 6 and 8%
per annum until the year 2012.
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Sesame
is being imported into the US at a price of US$0.43/lb. This relatively
high price reflects a world-wide shortage. Though the market for sesame
seed is strong, domestic US production awaits the development of
high-yielding nonshattering varieties.
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India
is the 2nd largest producer in the world. The major producers are
Gujarat, West Bengal, Tamil Nadu, Andhra Pradesh, Madhya Pradesh,
Maharashtra & Rajasthan.
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