The Sweet Alternative. Stevia rebaudiana Bertoni. Chris Stothart. Stevia rebaudiana. Outline. Overview Historical Perspective Botany Ethnobotany Chemistry Extraction & Commercial Uses Nutrition Regulation Controversies References. Stevia rebaudiana. Overview.
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Historical Perspective cont.
Paraguay, Brazil, Japan, China, Korea, Mexico, USA, Indonesia, Tanzania, & Canada
Figure 4: Paraguayans harvest stevia.
3 explanations for limited historical record
1. Sweet-tasting properties were known since the beginning of time, but kept a secret
2. Natives shared plant with Spaniards, but the knowledge was disregarded or overlooked
3. Stevia’s potential as a sweetener was not discovered by natives until only a short time before European contact
Chemical structure of stevioside (left) and rebaudioside A (right)
commercially available stevia products: stevioside and rebaudioside A include Truvia, Fructevia, Krisda, & PureVia.
Goyal, S. K., Samsher, and Goyal, R.K. 2010. Stevia (Stevia rebaudiana) a bio-sweetener: a review. Intl. J. Food Sci. and Nutr. 61(1): 1-10.
Guens, J. C. 2003. Stevioside. Phytochemistry. 64(5): 913-921.
Health Canada. 2011. Frequently Asked Questions "FAQs" on Stevia [online]. Available from http://www.hc-sc.gc.ca/. [accessed 10 March 20111].
Huxtable, R. J. 2002. Pharmacology and toxicology of stevioside, rebaudioside A, and steviol. In Stevia: The genus Stevia. Edited by A. Douglas Kinghorn. Taylor & Francis Inc, New York. pp. 160-177.
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Kinghorn, A. D. 2002. Overview. In Stevia: The genus Stevia. Edited by A. Douglas Kinghorn. Taylor & Francis Inc, New York. pp. 1-17.
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United States Food and Drug Administration (FDA). 2011. What refined Stevia preparations have been approved by FDA to be used as a sweetener? [online]. Available from http://www.fda.gov. [accessed 10 March 2011].
United States Patent and Trademark Office. 1998. United States Patent: 5,972,120 Extraction of sweet compounds from Stevia rebaudianaBertoni [online]. Available from http://patft.uspto.gov/. [accessed 10 March, 2011]
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