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Steviol Glycosides from Stevia rebaudiana Bertoni

Residue Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 84th meeting 2017

Year of publication 2017

Place of publication Rome, Italy ;

Pages 22 p.

Publisher FAO and WHO ;

Product type Meeting

Edition 1

Statutory body / Meeting title Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Meeting symbol JEFCA/84

Meeting Session Number Sess. 84

Meeting date 6-15 June, 2017

Meeting location Rome, Italy

Language English

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    Steviol Glycosides, 82nd JECFA—Chemical and Technical Assessment (CTA), 2016 2016
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    Steviol glycosides are a group of compounds naturally occurring in the plant Stevia rebaudiana Bertoni sharing a similar molecular structure where different sugar moieties are attached to the aglycone steviol (an ent-kaurene-type diterpene). They include any compound containing a steviol backbone conjugated to any number or combination of the principal sugar moieties in any of the orientations occurring in the leaves of Stevia rebaudiana Bertoni including, glucose, rhamnose, xylose, fructose, an d deoxyglucose. Newly revised specification for Steviol Glycosides are divided into two monographs by source.
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    Steviol Glycosides from Stevia Rebaudiana Bertoni (Tentative)
    Residue Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 82nd meeting 2016
    2016
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    Steviol glycosides consists of a mixture of compounds containing a steviol backbone conjugated to any number or combination of the principal sugar moieties in any of the orientations occurring in the leaves of Stevia rebaudiana Bertoni including, glucose, rhamnose, xylose, fructose, and deoxyglucose. The product is obtained from the leaves of Stevia rebaudiana Bertoni. The leaves are extracted with hot water and the aqueous extract is passed through an adsorption resin to trap and concentrate th e component steviol glycosides. The resin is washed with a solvent alcohol to release the glycosides and the product is recrystallized from methanol or aqueous ethanol. Ion exchange resins may be used in the purification process. The final product may be spray-dried.
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