Method for the recovery of steviosides from plant raw material

Details Method for the recovery of steviosides from plant raw material Method for the recovery of steviosides from plant raw material

C - Chemistry, Metallurgy

07

H

260/233.1

C07H 15/24 (2006.01) A23L 1/22 (2006.01) C07H 15/256 (2006.01)

Patent

CA 1310963

Abstract of the Disclosure The invention relates to a method for recovering steviosides from dried plant material of Stevia rebaudiana Bertoni by extraction and purification, An extract is obtained through treatment in water at a temperature from room temperature to about 65°C with stirring and subsequent filtration and centrifugation. This extract is treated with calcium hydroxide, whereupon a precipitate is obtained by means of filtration.or centrifugation. This precipitate is treated with a strongly acidic ion exchange resin and subsequently with a weakly basic ion exchange resin, filtered and dried.

571680

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