Steviol glycoside solubility enhancers
A steviol glycoside solubility enhancer may include a monocaffeoylquinic (MCQ) component that includes at least one compound selected from the group consisting of chlorogenic acid, neochlorogenic acid, cryptochlorogenic acid, and salts thereof; and a dicaffeoylquinic (DCQ) component that includes at least one compound selected from the group consisting of 1,3-dicaffeoylquinic acid, 1,4-dicaffeoylquinic acid, 1,5-dicaffeoylquinic acid, 3,4-dicaffeoylquinic acid, 3,5-dicaffeoylquinic acid, 4,5-dicaffeoylquinic acid, and salts thereof. In one suitable implementation, the MCQ component and the DCQ component together comprise more than 50% (wt), preferably more than 60% (wt), more than 70% (wt), more than 80% (wt), more than 90% (wt), or more than 95% (wt) of the steviol glycoside solubility enhancer.
1 . An aqueous steviol glycoside solution comprising:
one or more steviol glycosides; and
a steviol glycoside solubility enhancer comprising
a monocaffeoylquinic (MCQ) component that includes at least one compound selected from the group consisting of chlorogenic acid, neochlorogenic acid, cryptochlorogenic acid, and salts thereof; and
a dicaffeoylquinic (DCQ) component that includes at least one compound selected from the group consisting of 1,3-dicaffeoylquinic acid, 1,4-dicaffeoylquinic acid, 1,5-dicaffeoylquinic acid, 3,4-dicaffeoylquinic acid, 3,5-dicaffeoylquinic acid, 4,5-dicaffeoylquinic acid, and salts thereof;
wherein the MCQ component and the DCQ component together comprise more than 60% (wt) of the steviol glycoside solubility enhancer; and
wherein a weight ratio of the DCQ component to the MCQ component is at least 1;
wherein solubility of the one or more steviol glycosides in the aqueous steviol glycoside solution is higher than an equivalent solution lacking the steviol glycoside solubility enhancer; and
wherein when the aqueous steviol glycoside solution comprises at least 2% (wt) steviol glycoside and the one or more steviol glycosides remains in solution for at least 10 days when stored at 22° C.
2 . The aqueous steviol glycoside solution of claim 1 , wherein the MCQ component and the DCQ component together comprise more than 70% (wt) of the steviol glycoside solubility enhancer.
3 . The aqueous steviol glycoside solution of claim 1 , wherein the MCQ component and the DCQ component together comprise more than 80% (wt) of the steviol glycoside solubility enhancer.
4 . The aqueous steviol glycoside solution of claim 1 , wherein the MCQ component and the DCQ component together comprise more than 90% (wt) of the steviol glycoside solubility enhancer.
5 . The aqueous steviol glycoside solution of claim 1 , wherein the steviol glycoside solubility enhancer further comprising one or more compounds selected from the group consisting of caffeic acid, ferulic acid, p-coumaric acid, sinapic acid, quinic acid, 3-(3,4-dihydroxyphenyl) lactic acid, tartaric acid, chicoric acid, caftaric acid, monoferuloylquinic acids, diferuloylquinic acids, monocoumaroylquinic acids, dicoumaroylquinic acids, and salts thereof.
6 . The aqueous steviol glycoside solution of claim 1 , wherein the steviol glycoside solubility enhancer further comprising one or more compounds selected from the group consisting of caffeic acid, monoferuloylquinic acids, diferuloylquinic acids, and salts thereof.
7 . The aqueous steviol glycoside solution of claim 1 , wherein the weight ratio of the DCQ component to the MCQ component is between 1 and 20.
8 . The aqueous steviol glycoside solution of claim 1 , wherein solution comprises at least 2% (wt) steviol glycoside and the one or more steviol glycosides remains in solution for at least 10 days when stored at 22° C.
9 . The aqueous steviol glycoside solution of claim 1 , wherein solution comprises at least 3% (wt) steviol glycoside and the one or more steviol glycosides remains in solution for at least 10 days when stored at 22° C.
10 . The aqueous steviol glycoside solution of claim 1 , wherein solution comprises at least 5% (wt) steviol glycoside and the one or more steviol glycosides remains in solution for at least 10 days when stored at 22° C.
11 . The aqueous steviol glycoside solution of claim 1 , wherein the one or more steviol glycosides comprises rebaudioside M, rebaudioside D, or combinations thereof.
12 . The aqueous steviol glycoside solution of claim 1 , wherein the solution comprises at least 2% (wt) of a combination of rebaudioside M and rebaudioside D.
13 . The aqueous steviol glycoside solution of claim 1 , wherein the solution comprises at least 2% (wt) of a combination of rebaudioside M and rebaudioside D, and the combination of rebaudioside M and rebaudioside D are at least 75% (wt) of total steviol glycosides in the aqueous steviol glycoside solution.
14 . The aqueous steviol glycoside solution of claim 1 , wherein the solution comprises at least 2% (wt) of a combination of rebaudioside M and rebaudioside D, and the combination of rebaudioside M and rebaudioside D are at least 80% (wt) of total steviol glycosides in the aqueous steviol glycoside solution.
15 . The aqueous steviol glycoside solution of claim 1 , wherein the solution comprises at least 2% (wt) of a combination of rebaudioside M and rebaudioside D, and the combination of rebaudioside M and rebaudioside D are at least 90% (wt) of total steviol glycosides in the aqueous steviol glycoside solution.
16 . The aqueous steviol glycoside solution of claim 1 , wherein ratio of total steviol glycosides to steviol glycoside solubility enhancer is between 1:1 and 1:2.
17 . The aqueous steviol glycoside solution of claim 1 , wherein the solution comprises 1% (wt) to 10% (wt) steviol glycoside.
18 . The aqueous steviol glycoside solution of claim 1 , wherein the solution comprises 100 ppm to 900 ppm of the steviol glycoside solubility enhancer.
19 . The aqueous steviol glycoside solution of claim 1 , wherein steviol glycoside solubility enhancer comprises at least 50% (wt) of the DCQ component.
20 . The aqueous steviol glycoside solution of claim 1 , wherein steviol glycoside solubility enhancer comprises at least 60% (wt) of the DCQ component.
21 . The aqueous steviol glycoside solution of claim 1 , wherein steviol glycoside solubility enhancer comprises at least 70% (wt) of the DCQ component.
22 . A non-alcoholic beverage comprising the aqueous steviol glycoside solution of claim 1 and having a pH of between 1.5 and 4.
23 . An aqueous steviol glycoside solution comprising:
at least 2.0 wt % of total steviol glycosides comprising rebaudioside M and rebaudioside D; and
a steviol glycoside solubility enhancer comprising
a monocaffeoylquinic (MCQ) component that includes at least one compound selected from the group consisting of chlorogenic acid, neochlorogenic acid, cryptochlorogenic acid, and salts thereof; and
a dicaffeoylquinic (DCQ) component that includes at least one compound selected from the group consisting of 1,3-dicaffeoylquinic acid, 1,4-dicaffeoylquinic acid, 1,5-dicaffeoylquinic acid, 3,4-dicaffeoylquinic acid, 3,5-dicaffeoylquinic acid, 4,5-dicaffeoylquinic acid, and salts thereof;
wherein the MCQ component and the DCQ component together comprise more than 60% (wt) of the steviol glycoside solubility enhancer; and
wherein a weight ratio of the DCQ component to the MCQ component is at least 1;
wherein solubility of the total steviol glycosides in the aqueous steviol glycoside solution is higher than an equivalent solution lacking the steviol glycoside solubility enhancer; and
wherein the total steviol glycosides remain in solution for at least 10 days when stored at 22° C.