Molecules 2012, 17(8), 8908-8916; doi:10.3390/molecules17088908
Article

Synthesis and Sensory Evaluation of ent-Kaurane Diterpene Glycosides

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 3 Biosciences and Ingredient Department, Global Research and Development, The Coca-Cola Company, One Coca-Cola Plaza, Atlanta, GA 30313, USA
* Author to whom correspondence should be addressed.
Received: 29 June 2012; in revised form: 18 July 2012 / Accepted: 23 July 2012 / Published: 26 July 2012
(This article belongs to the Special Issue Advances in Carbohydrate Chemistry)
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Abstract: Catalytic hydrogenation of the three ent-kaurane diterpene glycosides isolated from Stevia rebaudiana, namely rubusoside, stevioside, and rebaudioside-A has been carried out using Pd(OH)2 and their corresponding dihydro derivatives have been isolated as the products. Synthesis of reduced steviol glycosides was performed using straightforward chemistry and their structures were characterized on the basis of 1D and 2D NMR spectral data and chemical studies. Also, we report herewith the sensory evaluation of all the reduced compounds against their corresponding original steviol glycosides and sucrose for the sweetness property of these molecules.
Keywords: ent-kaurane diterpene glycosides; catalytic hydrogenation; Pd(OH)2; structure characterization; spectral data; chemical studies; sensory evaluation

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MDPI and ACS Style

Prakash, I.; Campbell, M.; San Miguel, R.I.; Chaturvedula, V.S.P. Synthesis and Sensory Evaluation of ent-Kaurane Diterpene Glycosides. Molecules 2012, 17, 8908-8916.

AMA Style

Prakash I, Campbell M, San Miguel RI, Chaturvedula VSP. Synthesis and Sensory Evaluation of ent-Kaurane Diterpene Glycosides. Molecules. 2012; 17(8):8908-8916.

Chicago/Turabian Style

Prakash, Indra; Campbell, Mary; San Miguel, Rafael Ignacio; Chaturvedula, Venkata Sai Prakash. 2012. "Synthesis and Sensory Evaluation of ent-Kaurane Diterpene Glycosides." Molecules 17, no. 8: 8908-8916.

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