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Stevia - Quiz
Contributed by: Forster
  • 1. Which company settled a lawsuit in 2015 regarding its 'all-natural' claims?
A) Jamba Juice
B) Cargill
C) Kraft
D) PepsiCo
  • 2. What compound in stevia is specifically mentioned as having the least bitterness?
A) Erythritol
B) Rebaudioside A
C) Ascorbic acid
D) Citric acid
  • 3. What is the primary method used to extract steviol glycosides from Stevia rebaudiana plants?
A) Cold pressing
B) Hot water extraction
C) Steam injection
D) Chemical distillation
  • 4. What is the minimum percentage of steviol glycosides in the final dried extract powder?
A) 80%
B) 75%
C) 50%
D) 95%
  • 5. What is the brand name of the sweetener developed jointly by Cargill and the Coca-Cola Company?
A) PureVia
B) EverSweet
C) Truvia
D) Rebiana
  • 6. What is the abbreviated name for the Stevia extract powder, rebaudioside A?
A) Rebiana
B) Truvia
C) PureVia
D) EverSweet
  • 7. Which company owns the brand PureVia?
A) Jamba Juice
B) ConAgra
C) PepsiCo
D) Cargill
  • 8. What is the main argument used by plaintiffs against labeling steviol glycosides as 'natural'?
A) The flavor is too bitter
B) The plant is not native to the US
C) The extraction process involves adding chemicals
D) The plant is genetically modified
  • 9. Which company developed EverSweet?
A) Evolva
B) DSM
C) Cargill
D) PepsiCo
  • 10. In the Truvia lawsuit, what bulk sweetener was identified as potentially not natural?
A) Erythritol
B) Gelatin
C) Ascorbic acid
D) Xanthan gum
  • 11. What solvents are typically used to purify steviol glycosides?
A) Acetone or benzene
B) Water or vegetable oil
C) Ethanol or methanol
D) Hexane or hydrochloric acid
  • 12. How much was the compensation approved in the consolidated class-action lawsuit against Cargill?
A) 2.5 million dollars
B) 500,000 dollars
C) 10 million dollars
D) 6.1 million dollars
  • 13. What part of the Truvia marketing was removed as part of the settlement?
A) The comparison with making tea
B) The mention of erythritol
C) The logo design
D) The list of ingredients
  • 14. What process is used to create erythritol according to the lawsuit against Cargill?
A) Hydrolysis of corn starch
B) Fermentation by yeast
C) Direct extraction from plant sap
D) Chemical polymerization
  • 15. In which country did the use of stevia as a sweetener first begin?
A) United States
B) Brazil
C) China
D) Japan
  • 16. What did the aqueous extract of stevia leaves yield in Japan?
A) Purified steviosides
B) Synthetic sucrose
C) Rebiana
D) Erythritol
  • 17. Which Japanese firm claims to be the first to commercialize stevia sweetener production in 1971?
A) Morita Kagaku Kogyo
B) Coca-Cola
C) Pure Circle
D) Cargill
  • 18. What was stevia commonly used for in the U.S. during the mid-1980s?
A) Industrial baking
B) Teas and weight-loss blends
C) Cosmetic manufacturing
D) Medicine production
  • 19. Which company asked the FDA to require testing of stevia extracts in the 1980s?
A) Morita Kagaku Kogyo
B) Cargill
C) Monsanto
D) PepsiCo
  • 20. In what year did the FDA permit Truvia as a food additive?
A) 2007
B) 2008
C) 2013
D) 2009
  • 21. Which two companies announced the availability of Truvia in 2008?
A) Cargill and PepsiCo
B) Monsanto and Coca-Cola
C) Coca-Cola and Cargill
D) PepsiCo and Pure Circle
  • 22. What is the name of the stevia-based sweetener brand introduced by PepsiCo and Pure Circle?
A) Stevia Life
B) PureVia
C) Rebiana
D) Truvia
  • 23. What product did Coca-Cola launch in various countries from 2013 onwards?
A) Truvia Soda
B) Rebiana Cola
C) PureVia Tea
D) Coca-Cola Life
  • 24. In how many countries did Coca-Cola plan to market Rebiana-sweetened products in 2007?
A) 50
B) 12
C) 5
D) 20
  • 25. How much sweeter is stevia compared to sugar?
A) 500 to 1000 times
B) 10 to 50 times
C) 50 to 300 times
D) 2 to 10 times
  • 26. What is the primary plant source of stevia?
A) Stevia bertoni
B) Stevia valencia
C) Stevia paraguayensis
D) Stevia rebaudiana
  • 27. What are the active compounds in stevia?
A) Glucose derivatives
B) Steviol glycosides
C) Sucrose molecules
D) Fructose esters
  • 28. Why does stevia have zero calories?
A) Humans cannot metabolize the glycosides
B) It contains no carbon
C) It is destroyed by stomach acid
D) It is naturally carbonated
  • 29. Who traditionally used the stevia plant for centuries?
A) Japanese farmers
B) Guaraní peoples
C) French chemists
D) Spanish settlers
  • 30. What did the Guaraní peoples call the stevia plant?
A) Ka'a he'ê
B) Sweet leaf
C) Sugar herb
D) Nature's candy
  • 31. For whom was the genus Stevia named?
A) Moisés Santiago Bertoni
B) Pedro Jaime Esteve
C) A botanist from Paraguay
D) Petrus James Stevus
  • 32. In what year did the European Union approve stevia additives?
A) 1999
B) 2016
C) 2011
D) 2006
  • 33. Who first described the stevia plant in detail in 1899?
A) Two French chemists
B) The Guaraní peoples
C) Pedro Jaime Esteve
D) Moisés Santiago Bertoni
  • 34. What did the FDA decide regarding stevia in the early 1990s?
A) Declared it toxic
B) Denied classification as GRAS
C) Banned all imports
D) Approved it for food use
  • 35. What was the result of the Dietary Supplement Health and Education Act of 1994?
A) Stevia was declared unsafe
B) Stevia was banned completely
C) Stevia was approved as a food additive
D) Stevia was permitted as a dietary supplement
  • 36. What did the US Customs and Border Protection detain in 2016?
A) PureVia products
B) Raw Stevia rebaudiana leaves
C) PureCircle stevia products
D) Truvia products
  • 37. Which protein channel do steviol glycosides and steviol interact with?
A) GLUT4
B) ASIC3
C) TRPM5
D) TRPV1
  • 38. Where is steviol primarily metabolized before being excreted?
A) The pancreas
B) The kidneys
C) The stomach
D) The liver
  • 39. What is the acceptable daily intake of steviol glycoside as established by the WHO's Joint Experts Committee on Food Additives?
A) 10 mg/kg of body mass
B) 2 mg/kg of body mass
C) 1 mg/kg of body mass
D) 4 mg/kg of body mass
  • 40. In which country were steviol glycosides approved as a food additive on 30 November 2012?
A) India
B) Japan
C) Brazil
D) Canada
  • 41. Which country banned Stevia leaves, powder, syrups, and crude extracts in 2024?
A) Brazil
B) Australia
C) Norway
D) Russian Federation
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