A method of preparing an enriched composition comprising at least one of rebaudioside B, rebaudioside D, or a mixture thereof, the method comprising the steps of: providing a pH adjusted Stevia-derived glycoside solution comprising: - at least one glycoside selected from the group of reb-B and reb-D, and - at least one other Stevia-derived glycoside; and wherein the pH adjusted Stevia-derived glycoside solution (Ai) ranges from a pH of 7 to a pH of 11; or (Aii) ranges from a pH of 4 to a pH of 7; or (Aiii) ranges from a pH of 1 to a pH of 4; providing a macroporous neutral adsorbent resin, preferably comprising a macroporous resin of divinyl benzene; contacting the macroporous neutral adsorbent resin with the Stevia-derived glycoside solution so that at least a portion of glycosides in the Stevia-derived glycoside solution are adsorbed onto the macroporous neutral adsorbent resin; providing at least one elution solvent, wherein (Di) in the case of applying step (Ai), the at least one elution solvent comprises from 10-50% w/w ethanol and from 50-90% w/w water to selectively elute reb-B, reb-D, or a mixture thereof from the adsorbent; and (Dii) in the case of applying step (Aii), the at least one elution solvent comprises from 10-40% w/w ethanol and from 60-90% w/w water to selectively elute reb-D from the adsorbent; and (Diii) in the case of applying step (Aiii), the at least one elution solvent is from 30-70% w/w ethanol and from 30-70% w/w water to selectively elute reb-A, reb-D, or a mixture thereof from the adsorbent; and contacting the macroporous neutral adsorbent resin with the ethanol and water elution solvent in order to elute a composition enriched, relative to the pH adjusted Stevia-derived glycoside solution, with (Ei) in the case of step (Di), reb-B and reb-D; and (Eii) in the case of step (Dii), reb-D; and (Eiii) in the case of step (Diii), reb-A and reb-D; in case of step (Eiii), eluting at least a portion of the remaining adsorbed glycosides from the macroporous neutral adsorbent resin with a subsequent elution solvent comprising from 60-100% w/w ethanol and 0-40% w/w water, and wherein the composition eluted with the subsequent elution solvent is enriched with reb-B. providing a pH adjusted Stevia-derived glycoside solution comprising: - at least one glycoside selected from the group of reb-B and reb-D, and - at least one other Stevia-derived glycoside; and wherein the pH adjusted Stevia-derived glycoside solution (Ai) ranges from a pH of 7 to a pH of 11; or (Aii) ranges from a pH of 4 to a pH of 7; or (Aiii) ranges from a pH of 1 to a pH of 4; - at least one glycoside selected from the group of reb-B and reb-D, and - at least one other Stevia-derived glycoside; and wherein the pH adjusted Stevia-derived glycoside solution (Ai) ranges from a pH of 7 to a pH of 11; or (Aii) ranges from a pH of 4 to a pH of 7; or (Aiii) ranges from a pH of 1 to a pH of 4; (Ai) ranges from a pH of 7 to a pH of 11; or (Aii) ranges from a pH of 4 to a pH of 7; or (Aiii) ranges from a pH of 1 to a pH of 4; providing a macroporous neutral adsorbent resin, preferably comprising a macroporous resin of divinyl benzene; contacting the macroporous neutral adsorbent resin with the Stevia-derived glycoside solution so that at least a portion of glycosides in the Stevia-derived glycoside solution are adsorbed onto the macroporous neutral adsorbent resin; providing at least one elution solvent, wherein (Di) in the case of applying step (Ai), the at least one elution solvent comprises from 10-50% w/w ethanol and from 50-90% w/w water to selectively elute reb-B, reb-D, or a mixture thereof from the adsorbent; and (Dii) in the case of applying step (Aii), the at least one elution solvent comprises from 10-40% w/w ethanol and from 60-90% w/w water to selectively elute reb-D from the adsorbent; and (Diii) in the case of applying step (Aiii), the at least one elution solvent is from 30-70% w/w ethanol and from 30-70% w/w water to selectively elute reb-A, reb-D, or a mixture thereof from the adsorbent; and (Di) in the case of applying step (Ai), the at least one elution solvent comprises from 10-50% w/w ethanol and from 50-90% w/w water to selectively elute reb-B, reb-D, or a mixture thereof from the adsorbent; and (Dii) in the case of applying step (Aii), the at least one elution solvent comprises from 10-40% w/w ethanol and from 60-90% w/w water to selectively elute reb-D from the adsorbent; and (Diii) in the case of applying step (Aiii), the at least one elution solvent is from 30-70% w/w ethanol and from 30-70% w/w water to selectively elute reb-A, reb-D, or a mixture thereof from the adsorbent; and contacting the macroporous neutral adsorbent resin with the ethanol and water elution solvent in order to elute a composition enriched, relative to the pH adjusted Stevia-derived glycoside solution, with (Ei) in the case of step (Di), reb-B and reb-D; and (Eii) in the case of step (Dii), reb-D; and (Eiii) in the case of step (Diii), reb-A and reb-D; (Ei) in the case of step (Di), reb-B and reb-D; and (Eii) in the case of step (Dii), reb-D; and (Eiii) in the case of step (Diii), reb-A and reb-D; in case of step (Eiii), eluting at least a portion of the remaining adsorbed glycosides from the macroporous neutral adsorbent resin with a subsequent elution solvent comprising from 60-100% w/w ethanol and 0-40% w/w water, and wherein the composition eluted with the subsequent elution solvent is enriched with reb-B.