Int. J. Mol. Sci. 2012, 13(11), 15126-15136; doi:10.3390/ijms131115126
Article

Catalytic Hydrogenation of the Sweet Principles of Stevia rebaudiana, Rebaudioside B, Rebaudioside C, and Rebaudioside D and Sensory Evaluation of Their Reduced Derivatives

1 Organic Chemistry Department, Global Research and Development, The Coca-Cola Company, One Coca-Cola Plaza, Atlanta, GA 30313, USA 2 Product Development, Coca-Cola North America Division, The Coca-Cola Company, One Coca-Cola Plaza, Atlanta, GA 30313, USA
* Author to whom correspondence should be addressed.
Received: 8 October 2012; in revised form: 6 November 2012 / Accepted: 8 November 2012 / Published: 16 November 2012
(This article belongs to the Section Bioactives and Nutraceuticals)
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Abstract: Catalytic hydrogenation of rebaudioside B, rebaudioside C, and rebaudioside D; the three ent-kaurane diterpene glycosides isolated from Stevia rebaudiana was carried out using Pd(OH)2. Reduction of steviol glycosides was performed using straightforward synthetic chemistry with the catalyst Pd(OH)2 and structures of the corresponding dihydro derivatives were characterized on the basis of 1D and 2D nuclear magnetic resonance (NMR) spectral data indicating that all are novel compounds being reported for the first time. Also, the taste properties of all reduced compounds were evaluated against their corresponding original steviol glycosides and sucrose.
Keywords: ent-kaurane diterpene glycosides; catalytic hydrogenation; Pd(OH)2; structure characterization; spectral data; sensory evaluation

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MDPI and ACS Style

Prakash, I.; Campbell, M.; Chaturvedula, V.S.P. Catalytic Hydrogenation of the Sweet Principles of Stevia rebaudiana, Rebaudioside B, Rebaudioside C, and Rebaudioside D and Sensory Evaluation of Their Reduced Derivatives. Int. J. Mol. Sci. 2012, 13, 15126-15136.

AMA Style

Prakash I, Campbell M, Chaturvedula VSP. Catalytic Hydrogenation of the Sweet Principles of Stevia rebaudiana, Rebaudioside B, Rebaudioside C, and Rebaudioside D and Sensory Evaluation of Their Reduced Derivatives. International Journal of Molecular Sciences. 2012; 13(11):15126-15136.

Chicago/Turabian Style

Prakash, Indra; Campbell, Mary; Chaturvedula, Venkata S.P. 2012. "Catalytic Hydrogenation of the Sweet Principles of Stevia rebaudiana, Rebaudioside B, Rebaudioside C, and Rebaudioside D and Sensory Evaluation of Their Reduced Derivatives." Int. J. Mol. Sci. 13, no. 11: 15126-15136.

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