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Mineral complexes, especially calcium complexes, of lactobionic acid which are especially useful for mineral fortification of food and beverage products are provided. The preferred calcium complex of lactobionic acid provided in the present invention delivers a soluble, stable, clean tasting calcium

Mineral complexes, especially calcium complexes, of lactobionic acid which are especially useful for mineral fortification of food and beverage products are provided. The preferred calcium complex of lactobionic acid provided in the present invention delivers a soluble, stable, clean tasting calcium source suitable for calcium fortification of a wide variety of food and beverage products. The mineral complexes are prepared by mixing lactobionic acid, a mineral source, (e.g., mineral hydroxide), and an edible acid (e.g., citric acid) in an aqueous solution.

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What is claimed is: 1. A water soluble mineral complex of lactobionic acid and mineral metal divalent or multivalent ion, the mineral complex of lactobionic acid comprising lactobionic acid, a mineral metal ion source, and an edible acid, wherein the mineral complex of lactobionic acid provides mor

What is claimed is: 1. A water soluble mineral complex of lactobionic acid and mineral metal divalent or multivalent ion, the mineral complex of lactobionic acid comprising lactobionic acid, a mineral metal ion source, and an edible acid, wherein the mineral complex of lactobionic acid provides more dissolved mineral metal ion at room temperature than the corresponding salt of the same mineral metal ion and lactobionic acid per unit volume of water and wherein the mineral complex of lactobionic acid is prepared by mixing about 50 to about 90 percent source of lactobionic acid and about 2 to about 20 percent of the edible acid in an aqueous solution to provide an aqueous edible acid blend and mixing the edible acid blend with about 5 to about 25 percent of the water soluble mineral divalent or multivalent metal ion source to provide the mineral complex of lactobionic acid which includes a mineral metal ion and wherein the mineral complex of lactobionic acid can be incorporated in a food or beverage product to provide about 5 to about 200 percent of the current recommended United States Daily Value of mineral metal per single serving size of the food or beverage product. 2. The water soluble mineral complex of lactobionic acid as defined in claim 1, wherein the source of lactobionic acid is selected from the group consisting of lactobionic acid, a lactone of lactobionic acid and mixtures thereof, the water soluble mineral metal ion source is selected from the group consisting of a mineral hydroxide, mineral carbonate, a mineral oxide, and mixtures thereof and the edible acid is selected from the group consisting of citric acid, lactic acid, acetic acid, malic acid, gluconic acid, tartaric acid, fumaric acid, adipic acid, succinic acid, ascorbic acid, phosphoric acid, and mixtures thereof. 3. The water soluble mineral complex of lactobionic acid as defined in claim 1, wherein the mineral metal divalent or multivalent ion is selected from the group consisting of calcium, magnesium, iron, zinc, copper, chromium, selenium, manganese, and mixtures thereof. 4. The water soluble mineral complex of lactobionic acid as defined in claim 1, wherein the source of lactobionic acid is lactobionic acid and the mineral metal is calcium. 5. The water soluble mineral complex of lactobionic acid as defined in claim 2, wherein the source of lactobionic acid is lactobionic acid and the mineral metal is calcium. 6. A mineral-fortified beverage product comprising about 0.2 to about 20 percent of mineral metal complex of lactobionic acid and mineral metal divalent or multivalent ion, the mineral metal complex of lactobionic acid comprising lactobionic acid and a mineral metal ion, wherein the mineral metal complex is prepared by mixing about 50 to about 90 percent source of lactobionic acid, about 5 to about 25 percent mineral metal divalent or multivalent ion source which includes a mineral metal, and about 2 to about 20 percent edible acid in an aqueous solution, the amount of the source of lactobionic acid greater than the amount of the edible acid and the source of lactobionic acid, edible acid and mineral metal ion source are in amounts to effect production of the mineral metal complex of lactobionic acid, wherein the mineral metal complex of lactobionic acid provides more dissolved mineral metal ion at room temperature than the corresponding salt of the same mineral metal ion and lactobionic acid per unit volume of water and wherein the mineral metal complex is incorporated in a food or beverage product to provide about 5 to about 200 percent of a recommended United States Daily Value of the mineral metal per single serving size of the food or beverage product. 7. The mineral-fortified food or beverage product as defined in claim 6, wherein the mineral metal source is selected from the group consisting of a mineral hydroxide, a mineral carbonate, a mineral oxide, or mixtures thereof and the edible acid is selected from the group consisting of citric acid, lactic acid, acetic acid, malic acid, gluconic acid, tartaric acid, fumaric acid, adipic acid, succinic acid, ascorbic acid, phosphoric acid, and mixtures thereof. 8. The mineral-fortified food or beverage product as defined in claim 7, wherein the mineral metal divalent or multivalent ion is selected from the group consist of calcium, magnesium, iron, zinc, copper, chromium, selenium, manganese, and mixtures thereof. 9. The mineral-fortified food or beverage product as defined in claim 8, wherein the mineral metal ion includes calcium. 10. A water soluble mineral complex of lactobionic acid and mineral metal ion, the mineral complex of lactobionic acid comprising lactobionic acid, a water soluble mineral metal divalent or multivalent ion source, wherein the mineral complex of lactobionic acid provides more dissolved mineral metal ion at room temperature than the corresponding salt of the same mineral metal ion and lactobionic acid per unit volume of water and wherein the mineral complex of lactobionic acid is prepared by mixing a source of lactobionic acid and water soluble mineral metal divalent or multivalent ion source and water to provide an aqueous solution and blending an edible acid with the aqueous solution to provide the mineral metal complex of lactobionic acid, the source of lactobionic acid present in an amount greater than the edible acid, the lactobionic acid source, the mineral metal ion source and edible acid being present in amounts to provide a pH which effects the reaction of the lactobionic acid source and mineral metal ion source in water to provide the mineral complex of lactobionic acid. 11. The water soluble mineral complex of lactobionic acid as defined in claim 10, wherein lactobionic acid, the edible acid and lactobionic acid source are present in amounts to effect a pH of from 4.6 to 8. 12. The water soluble mineral complex of lactobionic acid as defined in claim 10 wherein the water soluble mineral metal divalent or multivalent ion source includes calcium hydroxide. 13. The water soluble mineral complex of lactobionic acid as defined in claim 11 wherein the edible acid includes citric acid. 14. A water soluble mineral complex of lactobionic acid and mineral metal ion, the mineral complex of lactobionic acid comprising lactobionic acid, a water soluble mineral divalent or multivalent ion source, wherein the mineral complex of lactobionic acid is prepared by mixing a source of lactobionic acid, an edible acid and water soluble mineral metal divalent or multivalent ion source in water to provide the mineral metal complex of lactobionic acid, the source of lactobionic acid present in an amount greater than the edible acid, the lactobionic acid source, the mineral metal ion source and edible acid being present in amounts to provide a pH which effects the reaction of the lactobionic acid source and mineral metal ion source in water to provide the mineral complex of lactobionic acid which is effective to provide more dissolved mineral metal ion at room temperature than the corresponding salt of the same metal ion and lactobionic acid per unit volume of water. 15. The water soluble mineral complex of lactobionic acid as defined in claim 14, wherein lactobionic acid, the edible acid and lactobionic acid source are present in amounts to effect a pH of from 4.6 to 8. 16. A water soluble calcium complex of lactobionic acid and calcium ion, the calcium complex of lactobionic acid comprising lactobionic acid, a calcium ion source, and an edible acid, wherein the calcium complex of lactobionic acid is prepared by mixing about 50 to about 90 percent source of lactobionic acid, about 5 to about 25 percent water soluble calcium ion source, about 2 to about 20 percent edible acid and water to provide an aqueous solution of the calcium mineral complex of lactobionic acid, the source of lactobionic acid present in an amount greater than the edible acid, the lactobionic acid source, the calcium ion source and edible acid being present in amounts to provide a pH of 4.6 to 8 and which effects the reaction of the lactobionic acid source and calcium ion source in water to provide the calcium complex of lactobionic acid which calcium complex provides more dissolved calcium ion at room temperature than the corresponding calcium salt of lactobionic acid per unit volume of water. 17. A method of making a calcium rich beverage, the method comprising: blending about 50 to about 90 percent lactobionic acid source, water, about 5 to about 25 percent calcium ion source, and about 2 to about 20 percent edible acid, the source of lactobionic acid present in an amount greater than the edible acid, the lactobionic acid source, the calcium ion source and edible acid being present in amounts to provide a pH of 4.6 to 8 and which effects the reaction of the lactobionic acid source and calcium ion source in the water to provide a solution of the calcium complex of lactobionic acid; drying the solution of the calcium complex of lactobionic acid to provide the calcium complex of lactobionic acid, and which calcium complex is effective to provide more dissolved calcium ion than a corresponding amount of the corresponding calcium salt of lactobionic acid per unit volume of water; and dissolving the calcium complex into a beverage formulation to provide the calcium rich beverage. 18. The method of claim 17, wherein lactobionic acid, the edible acid and lactobionic acid source are present in amounts to effect a pH of from 4.6 to 8.