
Steviol glycosides will be the sweet compounds for the leaves of this stevia plant. Each one is composed of a backbone device of steviol, with varying numbers/configurations of sugar units connected, particular to that particular steviol glycoside. In order to deal with the overall protection of steviol glycosides, numerous regulating agencies have produced optimum use limitations, expressed in steviol equivalents. These limitations tend to be then modified upward, making use of a certain steviol comparable element, to mirror the molecular fat regarding the steviol glycoside molecule(s) present (understand dining table below).
This dining table compares the sweetness obtained from 4mg of steviol equivalents/kg bodyweight towards the sweetness received from sugar.
The transformation is dependent on this formula:
SG((Conv1 × %SG1) + (Conv2 × %SG2) + . + (Conv × %SGn)) = x mg steviol equivalents
SG: the total amount of Stevia leaf plant within the product, Conv: the relevant transformation factor for every single steviol glycoside and %SG : the portion content associated with appropriate steviol glycoside in a certain stevia leaf plant.
Steviol Glycoside |
Molecular Weight |
Conversion factor |
Steviol |
318.45 |
1.00 |
Stevioside |
804.38 |
0.40 |
Rebaudioside A |
966.43 |
0.33 |
Rebaudioside B |
||
Rebaudioside C |
950.44 |
0.34 |
Rebaudioside D |
1128.48 |
0.29 |
Rebaudioside E |
967 |
|
Rebaudioside F |
936.42 |
|
Dulcoside The |
788.38 |
|
Rubusoside |
642.33 |
0.50 |
Steviolbioside |
0.50 |
Into the EU(1) as well as other geographies, the factors to transform steviol glycosides to steviol equivalents get in the particular regulations and are also curved. They're not the actual facets as could be based on fully precise molecular loads. The regulation factors should be employed for all computations.
Calculation based on the EU Regulation:
As one example of how the aspects work, when it comes to pure, dried out rebaudioside A, 80 mg/l steviol equivalents indicates (80 * 3.03) = 242.4 mg/l reb A. The legal restriction on reb A in EU beverages (when you look at the lack of any steviol glycoside) is hence 242 mg/l.
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