Sweet sorghum

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A jar of sweet sorghum syrup

Sweet sorghum is any of the many varieties of the sorghum grass whose stalks have a high sugar content. Sweet sorghum thrives better under drier and warmer conditions than many other crops and is grown primarily for forage, silage, and syrup production. Sweet sorghum syrup is sometimes called "molasses" or "sorghum molasses" in some regions of the U.S., but the term molasses more properly refers to a different sweet syrup, made as a byproduct of sugarcane or sugar beet sugar extraction.[1][2][3][4]

Cultivation

Sweet sorghum has been widely cultivated in the U.S. since the 1850s for use in sweeteners, primarily in the form of sorghum syrup. By the early 1900s, the U.S. produced 20 million US gallons (76,000 m3) of sweet sorghum syrup annually. Making syrup from sorghum (as from sugar cane) is heavily labor-intensive. Following World War II, with the declining availability of farm labor, sorghum syrup production fell drastically. Currently, less than 1 million US gallons (3,800 m3) are produced annually in the U.S.

In India it was introduced in early 1970s by Nimbkar Agricultural Research Institute.[5] [6] Presently it is grown on large area as a fodder crop.

Most sorghum grown for syrup production is grown in Alabama, Arkansas, Georgia, Iowa, Kentucky, Mississippi, North Carolina, and Tennessee.[7]

Uses

Horse-driven, antique sorghum-cane juicer being operated at an organic farm in central North Carolina, for syrup production
Adding freshly squeezed juice to a simmering pan of syrup on an open fire, much as it was done in the 19th century
Madhura sweet sorghum syrup sold in India

Sorghum syrup and hot biscuits are a traditional breakfast in the Southern United States. Sorghum syrup is also used on pancakes, cornmeal mush, grits and other hot cereals. It can be used as a cooking ingredient with a similar sweetening effect as molasses, though blackstrap molasses still has a higher nutritional value than sorghum syrup in most regards.[8]

In the U.S. since the 1950s, sorghum has been raised primarily for forage and silage, with sorghum cultivation for cattle feed concentrated in the Great Plains (Texas, Kansas, and Nebraska are the leading producers) where insufficient rainfall and high temperature make corn production unprofitable.

Grain sorghum has also been used by the ethanol industry for quite some time because it yields about the same amount of ethanol per bushel as corn. As new-generation ethanol processes are studied and improved, sorghum's role may continue to expand.[9] Texas A&M University ran trials to ascertain the best varieties for ethanol production from sorghum leaves and stalks in the USA.[10]

In India and other places, sweet sorghum stalks are used for producing biofuel by squeezing the juice and then fermenting into ethanol.[11] The crop is particularly suitable for growing in dryland conditions, as it only extracts one-seventh of the water used by sugarcane.[citation needed]

A study by researchers at the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) found that growing sweet sorghum instead of grain sorghum could increase farmers' incomes by US$40 per hectare per crop because it can provide food, feed, and fuel. With grain sorghum currently grown on over 11 million ha in Asia and on 23.4 million ha in Africa, a switch to sweet sorghum could have a considerable economic impact.[12]

See also

References

  1. ↑ Rapuano, Rina. "Sorghum Travels From The South To The Mainstream." NPR. NPR, 12 Sept. 2012. Web. 22 May 2014. <http://www.npr.org/2012/09/12/160946531/sorghum-travels-from-the-south-to-the-mainstream>.
  2. ↑ Bitzer, Morris. Sweet Sorghum for Syrup. Publication. N.p.: U of Kentucky, 2002. Web. 22 May 2014. <http://www.uky.edu/Ag/CCD/introsheets/swsorghumintro.pdf>
  3. ↑ Curtin, Leo V. MOLASSES - GENERAL CONSIDERATIONS. Publication. Institute of Food and Agricultural Sciences and University of Florida, n.d. Web. 22 May 2014. <http://rcrec-ona.ifas.ufl.edu/pdf/publications/molasses-general-considerations..pdf>.
  4. ↑ Ventilated. "Guidance on Sorghum Production – March 19, 2008." Indiana State Department of Health Division of Consumer Protection Food Protection Program Guidance on Sorghum Production – March 19, 2008 (2008): 1-6. IN.gov. Indiana State Department of Health: Division of Consumer Protection: Food Protection Program, 19 Mar. 2008. Web. 22 May 2014. <http://www.in.gov/isdh/files/Guidance_on_Sorghum_final_3-18-2008pdf_entered_6_2012.pdf>
  5. ↑ http://www.researchgate.net/publication/2915226_Sweet_sorghum_RD_at_the_Nimbkar_Agricultural_Research_Institute_(NARI)
  6. ↑ http://www.thebetterindia.com/17381/amazing-crop-used-as-fuel-paper-delicious-bread-spread-sweet-sorghum/
  7. ↑ http://ffanewhorizons.org/did-you-know-facts-about-sweet-sorghum/
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Ceres and Texas A&M to Develop and Market High-Biomass Sorghum for Biofuels[dead link]
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Sweet sorghum for food, feed and fuel New Agriculturalist, January 2008.

External links

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