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Genetically modified
       food


            Produced a 11-student
                    class
             Voronovа Anastasia
Genetically modified foods (GM foods,
  or biotech foods) are foods derived
 from genetically modified organisms
  (GMOs), specifically,genetically
            modified crops.
GMOs have had
 specific changes
  introduced into
    their DNA
     by genetic
engineering techniq
        ues.
These techniques are much
more precise than mutagenesis
(mutation breeding) where an
     organism is exposed to
   radiation or chemicals to
   create a non-specific but
      stable change. Other
 techniques by which humans
    modify food organisms
         include selective
    breeding andsomaclonal
            variation.
Commercial sale of genetically
modified foods began in 1994, when
 Calgene first marketed its Flavr
  Savr delayed ripening tomato.
Typically, genetically modified foods
            are transgenic
plant products: soybean, corn, canola,
         and cotton seed oil.
These may have been engineered for faster
 growth, resistance to pathogens, production of
extra nutrients, or any other beneficial purpose.
GM livestock have
       also been
    experimentally
 developed, although
as of July 2010 none
 are currently on the
       market.
While there is broad scientific consensus that food on the market
 derived from GM crops pose no greater risk to human health than
  conventional food, critics have objected to GM foods on several
        grounds, including safety issues, ecological concerns,
     and economic concerns raised by the fact GM plants (and
potentially animals) that are food sources are subject to intellectual
                            property law.
History
Scientists first discovered
 that DNA can transfer
   between organisms in
           1946                The first genetically modified plant
                                was produced in 1983, using an
                              antibiotic-resistant tobacco plant. In
                                   1994, the transgenic Flavr
                               Savr tomato was approved by the
                              FDA for marketing in the US - the
                               modification allowed the tomato to
                                  delay ripening after picking.
In the US in 1995, the following transgenic crops received marketing
    approval: canola with modified oil composition (Calgene), Bacillus
     thuringiensis (Bt) corn/maize (Ciba-Geigy), cotton resistant to the
     herbicide bromoxynil (Calgene), Bt cotton (Monsanto), Bt potatoes
  (Monsanto), soybeans resistant to the herbicide glyphosate (Monsanto),
virus-resistant squash (Asgrow), and additional delayed ripening tomatoes
                   (DNAP, Zeneca/Peto, and Monsanto )
In 2000, with the creation
     of golden rice, scientists
   genetically modified food to
increase its nutrient value for the
   first time. As of 2011, the
  U.S. leads a list of multiple
  countries in the production of
 GM crops, and 25 GM crops
had received regulatory approval
    to be grown commercially.
Foods made from GM crops
Currently, there are several GM
 crops that are food sources. In
    some cases, the product is
directly consumed as food, but In
 most cases, crops that have been
 genetically modified are sold as
 commodities, which are further
 processed into food ingredients.
Flours
Soy flour is made by grinding soybeans into a fine powder.
    It comes in three forms: natural or full-fat (contains
   natural oils); defatted (oils removed) with 50% protein
  content and with either high water solubility or low water
 solubility; and lecithinated (lecithin added). As soy flour
is gluten-free, yeast-raised breads made with soy flour are
dense in texture. Soy grits are similar to soy flour except the
      soybeans have been toasted and cracked into coarse
    pieces. Kinako is a soy flour used in Japanese cuisine
Modifikatsia produktov anglysky_voronova__33__33__33
Modifikatsia produktov anglysky_voronova__33__33__33
Modifikatsia produktov anglysky_voronova__33__33__33

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Modifikatsia produktov anglysky_voronova__33__33__33

  • 1. Genetically modified food Produced a 11-student class Voronovа Anastasia
  • 2. Genetically modified foods (GM foods, or biotech foods) are foods derived from genetically modified organisms (GMOs), specifically,genetically modified crops.
  • 3. GMOs have had specific changes introduced into their DNA by genetic engineering techniq ues.
  • 4. These techniques are much more precise than mutagenesis (mutation breeding) where an organism is exposed to radiation or chemicals to create a non-specific but stable change. Other techniques by which humans modify food organisms include selective breeding andsomaclonal variation.
  • 5. Commercial sale of genetically modified foods began in 1994, when Calgene first marketed its Flavr Savr delayed ripening tomato.
  • 6. Typically, genetically modified foods are transgenic plant products: soybean, corn, canola, and cotton seed oil.
  • 7. These may have been engineered for faster growth, resistance to pathogens, production of extra nutrients, or any other beneficial purpose.
  • 8. GM livestock have also been experimentally developed, although as of July 2010 none are currently on the market.
  • 9. While there is broad scientific consensus that food on the market derived from GM crops pose no greater risk to human health than conventional food, critics have objected to GM foods on several grounds, including safety issues, ecological concerns, and economic concerns raised by the fact GM plants (and potentially animals) that are food sources are subject to intellectual property law.
  • 10. History Scientists first discovered that DNA can transfer between organisms in 1946 The first genetically modified plant was produced in 1983, using an antibiotic-resistant tobacco plant. In 1994, the transgenic Flavr Savr tomato was approved by the FDA for marketing in the US - the modification allowed the tomato to delay ripening after picking.
  • 11. In the US in 1995, the following transgenic crops received marketing approval: canola with modified oil composition (Calgene), Bacillus thuringiensis (Bt) corn/maize (Ciba-Geigy), cotton resistant to the herbicide bromoxynil (Calgene), Bt cotton (Monsanto), Bt potatoes (Monsanto), soybeans resistant to the herbicide glyphosate (Monsanto), virus-resistant squash (Asgrow), and additional delayed ripening tomatoes (DNAP, Zeneca/Peto, and Monsanto )
  • 12. In 2000, with the creation of golden rice, scientists genetically modified food to increase its nutrient value for the first time. As of 2011, the U.S. leads a list of multiple countries in the production of GM crops, and 25 GM crops had received regulatory approval to be grown commercially.
  • 13. Foods made from GM crops Currently, there are several GM crops that are food sources. In some cases, the product is directly consumed as food, but In most cases, crops that have been genetically modified are sold as commodities, which are further processed into food ingredients.
  • 14. Flours Soy flour is made by grinding soybeans into a fine powder. It comes in three forms: natural or full-fat (contains natural oils); defatted (oils removed) with 50% protein content and with either high water solubility or low water solubility; and lecithinated (lecithin added). As soy flour is gluten-free, yeast-raised breads made with soy flour are dense in texture. Soy grits are similar to soy flour except the soybeans have been toasted and cracked into coarse pieces. Kinako is a soy flour used in Japanese cuisine