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Molecules 2012, 17(4), 4186-4196; doi:10.3390/molecules17044186

Synthetic Study on the Relationship Between Structure and Sweet Taste Properties of Steviol Glycosides

Organic Chemistry Department, Global Research and Development, the Coca-Cola Company, One Coca-Cola Plaza, Atlanta, GA 30313, USA
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Received: 2 March 2012 / Revised: 24 March 2012 / Accepted: 30 March 2012 / Published: 5 April 2012
(This article belongs to the Section Natural Products)
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Abstract

The structure activity relationship between the C16-C17 methylene double bond on the aglycone of steviol glycosides and the corresponding impact on their sweet taste has been reported here for the first time. It has been observed that converting stevioside and rebaudioside A to their corresponding ketones by switching the doubly bonded methylene on C-17 for a ketone group actually removes the sweet taste properties of these molecules completely. Regenerating the original molecules tends to restore the sweet taste of both the steviol glycosides. Thus this C16-C17 methylene double bond in rebaudioside A and stevioside can be regarded as a pharmacophore essential for the sweetness property of these molecules. View Full-Text
Keywords: reb A; stevioside; steviol; reb A ketone; stevioside ketone and steviol nor ketone, methylenation reb A; stevioside; steviol; reb A ketone; stevioside ketone and steviol nor ketone, methylenation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Upreti, M.; Dubois, G.; Prakash, I. Synthetic Study on the Relationship Between Structure and Sweet Taste Properties of Steviol Glycosides. Molecules 2012, 17, 4186-4196.

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