WO2012102769A1 - Stevia blends containing rebaudioside b - Google Patents
Stevia blends containing rebaudioside b Download PDFInfo
- Publication number
- WO2012102769A1 WO2012102769A1 PCT/US2011/056845 US2011056845W WO2012102769A1 WO 2012102769 A1 WO2012102769 A1 WO 2012102769A1 US 2011056845 W US2011056845 W US 2011056845W WO 2012102769 A1 WO2012102769 A1 WO 2012102769A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rebaudioside
- concentration
- steviol glycoside
- sweetening composition
- glycoside compounds
- Prior art date
Links
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- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/52—Adding ingredients
- A23L2/60—Sweeteners
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A23L27/30—Artificial sweetening agents
- A23L27/33—Artificial sweetening agents containing sugars or derivatives
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A23L27/30—Artificial sweetening agents
- A23L27/33—Artificial sweetening agents containing sugars or derivatives
- A23L27/36—Terpene glycosides
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/105—Plant extracts, their artificial duplicates or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/60—Sugars; Derivatives thereof
- A61K8/602—Glycosides, e.g. rutin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2200/00—Function of food ingredients
- A23V2200/16—Taste affecting agent
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2250/00—Food ingredients
- A23V2250/24—Non-sugar sweeteners
- A23V2250/258—Rebaudioside
Definitions
- Natural caloric sweeteners such as sucrose, glucose, and fructose, possess desirable taste characteristics, but they add to the caloric content of products. Therefore, there is great consumer interest in low or non-caloric sweeteners that are considered as healthier alternatives.
- Non-caloric natural and synthetic high-potency sweeteners are known, but they most often possess flavor profiles that are not as desirable to consumers as sugars. Thus, it is desirable to develop non-caloric sweeteners that can be substituted for sugar and that have a more desirable taste profile.
- Stevia rebaudiana The species Stevia rebaudiana (“Stevia") is the source of certain naturally occurring sweet steviol glycosides.
- Stevia is the source of certain naturally occurring sweet steviol glycosides.
- sweet steviol glycosides that may be extracted from Stevia include the six rebaudiosides (i.e., rebaudioside A to F), stevioside (the predominant glycoside in extracts from wild type Stevia), and dulcosides.
- the present invention is directed to a Stevi extract comprising rebaudioside B at a concentration that is in the range of 10 to about 90% by weight of the Stevia extract.
- the present invention is also directed to a sweetening composition
- a sweetening composition comprising sweet steviol glycoside compounds, wherein the sweet steviol glycoside compounds comprise rebaudioside B at a concentration that is in the range of 10% to about 90% by weight of the total amount of sweet steviol glycoside compounds in the sweetening composition.
- the present invention is also directed to consumables such as beverages, foodstuffs, oral care products, tobacco products, pharmaceutical products, and nutraceutical products comprising the foregoing sweetening compositions and methods of the sweetening the same using the foregoing sweetening compositions.
- Figure 1 is a graph showing the solubility of rebaudioside B in citric acid buffer at pH of 3 as a function of rebaudioside A and stevioside concentrations.
- Figure 2 shows the structures of steviol glycosides.
- Figure 3 is a graph showing the effect of rebaudioside B content (in a solution
- sweet steviol glycoside compounds means any of a
- concentration of rebaudioside B in Stevia extracts and sweetening compositions comprising sweet steviol glycosides tends to reduce or eliminate taste characteristics generally considered to be negative such as bitterness, licorice aftertaste, or result in a sweetness profile more like that of natural caloric sweeteners, or combinations of such properties.
- concentration of rebaudioside B in Stevia extracts and sweetening compositions comprising sweet steviol glycosides tends to reduce or eliminate taste characteristics generally considered to be negative such as bitterness, licorice aftertaste, or result in a sweetness profile more like that of natural caloric sweeteners, or combinations of such properties.
- a relatively high concentration of rebaudioside B with respect to the total concentration of sweet steviol glycosides in the Stevia extract and sweetening composition e.g., at least 10% by weight of the total amount of sweet steviol glycoside compounds being rebaudioside B).
- Stevia extract and sweetening compositions of the present invention can possess a sweetness profile that is more sugar-like, reduced bitter aftertaste, reduced off flavors (e.g., licorice) than other mixtures of sweet steviol glycosides, such as commercially available blends and mixtures of steviol glycosides. Testing has shown that, in most cases, sweetening compositions of the present invention are preferred by test subjects over compositions that comprise 97% rebaudioside A, when tested at the same concentration.
- Stevia extract and sweetening compositions of the present invention is expected to result in better tasting foods and beverages compared to those prepared with known Stevia extracts and sweetening compositions containing sweet steviol glycosides, such as compositions having 97% rebaudioside A.
- rebaudioside B may be added to other high intensity
- high intensity sweeteners suitable for embodiments of the invention include natural high intensity sweeteners such as:
- dulcoside A dulcoside B (also known as rebaudioside C), rubusoside, siamenoside, monatin and its salts (monatin SS, RR, RS, SR), curculin, glycyrrhizic acid and its salts, thaumatin, monellin, mabinlin, brazzein, hernandulcin, phyllodulcin, glycyphyllin, phloridzin, stevioside, rebaudioside
- saccharin aspartame, sucralose, neotame, acesulfame potassium.
- rebaudioside B can be added to caloric sweeteners, such as sugars (e.g., high fructose corn syrup, sucrose, fructose, etc.) and polyols (e.g., sorbitol, xylitol, lactitol, etc.) or other low-calorie sweeteners to produce sweetening compositions that are reduced in caloric value.
- caloric sweeteners such as sugars (e.g., high fructose corn syrup, sucrose, fructose, etc.) and polyols (e.g., sorbitol, xylitol, lactitol, etc.) or other low-calorie sweeteners to produce sweetening compositions that are reduced in caloric value.
- steviol glycosides from plants generally results in extracts that are less preferred in terms of taste than purified extracts higher in rebaudioside A.
- simple extracts are easier to produce and are generally less expensive to produce than high purity rebaudioside A. Therefore, a further advantage of the present invention may be a combination of a simple extract or partially purified product with rebaudioside B, so as to obtain a glycoside mixture that is less expensive to produce than purified rebaudioside A, yet possesses comparable or superior flavor characteristics. It is also contemplated that steviol glycoside processing streams that have been depleted of good tasting glycosides during the purification of rebaudioside A can be made to taste better by increasing the rebaudioside B content.
- compositions containing rebaudioside B may be further modified using known technology to modify particle size such as agglomeration, spray-drying, drum drying and other forms of physical processing commonly applied to adjust particle size in order to deliver better flow, hydration, or dissolution properties.
- compositions containing rebaudioside B may be further modified using known technology to provide liquid forms with preservative for ease-of-use in specific applications.
- compositions containing rebaudioside B may be further modified using known techniques to co-process with bulking agents such as maltodextrins and similar compounds to deliver products with controlled sweetness, dosing, potency, and handling properties.
- rebaudioside B and/or combinations of it and other steviol glycosides can be combined with other ingredients that may be desirable to include in a sweetening composition.
- rebaudioside B may be spray coated or spray agglomerated onto rebaudioside A or other steviol glycosides and/or with other materials such as maltodextrins, sucrose, or any other desired functional carrier.
- steviol glycoside mixtures and blends can be improved by controlling and/or increasing the concentrations of rebaudioside B in steviol glycoside compositions in accordance with the present invention. It is believed that the improved taste is evident at pH values from about pH 2 to about pH 8.
- experimental results to date indicate that (i) rebaudioside B has relatively high solubility in neutral pH solution and (ii) the solubility of rebaudioside B is limited in a pH 3 citric buffer. Further experimental results to date indicate that the presence of rebaudioside A in solution increases the solubility of rebaudioside B. On the other hand, experimental results to date indicate that the presence of stevioside slightly reduces the solubility of rebaudioside B. This solubility information may be considered when formulating solutions of rebaudioside B and mixtures of rebaudiosides.
- Rebaudioside B for mixing with other sweeteners can be obtained in various ways.
- rebaudioside B can be isolated from plant extracts by chromatography, precipitation, or crystallization.
- rebaudioside B may be obtained by treating rebaudioside A with various hydroxides of mono, di, and trivalent cations under appropriate temperature and pH conditions.
- the rebaudioside B mixture with residual rebaudioside A can be used to increase the amount of rebaudioside B in another mixture, or the rebaudioside B can be isolated from the rebaudioside A/rebaudioside B mixture by chromatography, precipitation, or selective crystallization.
- Rebaudioside B can also be obtained in a similar manner by treating rebaudioside D with the same hydroxide compounds as mentioned above for rebaudioside A.
- the product mixture or isolated rebaudioside B can be used to prepare the above mentioned improved tasting steviol glycoside mixtures.
- rebaudioside B can be produced enzymatically from rebaudioside A or rebaudioside D.
- a Stevia extract or sweetening composition comprises
- rebaudioside B and one or more additional sweet glycoside compounds.
- sweet glycoside compounds include rebaudioside A, rebaudioside B, rebaudioside C (dulcoside B), rebaudioside D, rebaudioside E, rebaudioside F, stevia, stevioside, dulcoside A, and rubusoside.
- the one or more sweet glycosides may be sweet steviol glycosides, including steviolbiosides and steviolmonosides.
- sweet steviol glycosides include rebaudioside A, rebaudioside B, rebaudioside C, rebaudioside D, rebaudioside E, rebaudioside F, and stevioside.
- partially purified extractions of steviol glycosides from plants often comprise a mixture of rebaudioside B and additional steviol glycosides.
- a Stevia extract or sweetening composition comprises rebaudioside B and one or more additional sweet steviol glycoside compounds
- the amount of rebaudioside B is at a concentration that is at least about 10% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the rebaudioside B is at a concentration that is at least about 15% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the rebaudioside B is at a concentration that is at least about 20% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the rebaudioside B is at a concentration that is at least about 25% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the rebaudioside B is at a concentration that is at least about 30% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments the rebaudioside B is at a concentration that is at least about 35% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments the rebaudioside B is at a concentration that is at least about 40% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain
- the rebaudioside B is at a concentration that is at least about 45% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments the rebaudioside B is at a concentration that is at least about 50% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- a Stevia extract or sweetening composition comprises rebaudioside B and one or more additional sweet steviol glycoside compounds and where the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above (the term "consistent" rules out potential combinations wherein a lower limit of a range from above is selected that is greater than an upper limit of a range from below), the concentration of rebaudioside B may also be at a concentration that is not greater than about 90% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 80% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening
- the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 70% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments where the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 70% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments where the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 70% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments where the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 70% by weight of the total amount of sweet
- the concentration of rebaudioside B is not greater than about 60% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments where the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 50% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening
- the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 40%» by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments where the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 40%» by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments where the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 40%» by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments where the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 40%» by weight of the
- the concentration of rebaudioside B is not greater than about 35% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments where the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 30% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening
- the concentration of rebaudioside B is at a concentration consistent with any of the embodiments described above, the concentration of rebaudioside B is not greater than about 25% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the one or more additional sweet steviol glycoside compound comprises rebaudioside A.
- partially purified extractions of steviol glycosides may comprise a mixture of rebaudioside B and rebaudioside A or rebaudioside B may be incorporated into purified preparations of rebaudioside A.
- the amount of rebaudioside A in the Stevia extract or sweetening composition is at a concentration that is at least about 1% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the amount of rebaudioside A is at least about 5% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening
- the amount of rebaudioside A is at least about 10% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments the amount of rebaudioside A is at least about 20% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments the amount of rebaudioside A is at least about 30% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments the amount of
- rebaudioside A is at least about 40% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments the amount of rebaudioside A is at least about 50% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain
- the amount of rebaudioside A is at least about 60% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening
- the amount of rebaudioside A is at least about 70% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the rebaudioside A is at a concentration that is not greater than about 95% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening
- the rebaudioside A is at a concentration that is not greater than about 90% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments comprising rebaudioside A where the concentration of rebaudioside A is at a concentration consistent with any of the embodiments described above, the rebaudioside A is at a concentration that is not greater than about 85% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the rebaudioside A is at a concentration that is not greater than about 80% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments comprising rebaudioside A where the concentration of rebaudioside A is at a concentration consistent with any of the embodiments described above, the rebaudioside A is at a concentration that is not greater than about 75% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the rebaudioside A is at a concentration that is not greater than about 70% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments comprising rebaudioside A where the concentration of rebaudioside A is at a concentration consistent with any of the embodiments described above, the rebaudioside A is at a concentration that is not greater than about 65% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the rebaudioside A is at a concentration that is not greater than about 60% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments comprising rebaudioside A where the concentration of rebaudioside A is at a concentration consistent with any of the embodiments described above, the rebaudioside A is at a concentration that is not greater than about 55% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the rebaudioside A is at a concentration that is not greater than about 50% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- sweetening compositions of the invention may comprise mixtures of various types of sweeteners in various quantities
- a sweetening composition with rebaudioside B and one or more additional sweet steviol glycoside compounds consists essentially of sweet steviol glycoside compounds.
- the total concentration of rebaudioside B and all other sweet steviol glycoside compounds present therein provide essentially all the sweetness functionality of the sweetening composition.
- the amount of other sweetening compounds that could be included in sweetening compositions that consists essentially rebaudioside and sweet steviol glycoside compounds will depend upon the type of other sweetening compound in question and its sweetness threshold concentration below which it is believed it does not appreciably contribute to the sweetness of a sweetening composition.
- a sweetening composition with rebaudioside B and one or more additional sweet steviol glycoside compounds consists of sweet steviol glycoside compounds.
- the Stevia extract or sweetening composition comprising
- the concentration of stevioside is at least about 1% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments, the concentration of stevioside is at least about 5% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments, the concentration of stevioside is at least about 10% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- the concentration of stevioside is at least about 20% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments, the concentration of stevioside is at least about 30% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments, the concentration of stevioside is at least about 40%o by weight, of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening
- the concentration of stevioside is not greater than about 95% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments, the concentration of stevioside is not greater than about 90% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments, the concentration of stevioside is not greater than about 80%» by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments, the concentration of stevioside is not greater than about 70%) by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition. In certain embodiments, the concentration of stevioside is not greater than about 60% by weight of the total amount of sweet steviol glycoside compounds in the Stevia extract or sweetening composition.
- any edible or chewable compositions may be sweetened in accordance with the present inventions, such as foodstuffs, (e.g., snacks, baked goods, soups, sauces, processed meats canned fruits, canned vegetables, dairy products, frozen confections, cakes, cookies, bars, and other sweet bakery items, cereals, cereal bars, yogurt, yogurt- containing drinks, energy bars, granola bars, hard candy, jelly candy, chocolate candy, and other sweet confections); beverages (e.g., carbonated soft drinks, ready to drink teas, sports drinks, dairy drinks, alcoholic beverages, energy drinks, coffees, flavored waters, vitamin drinks, fruit drinks, and fruit juices, powdered soft drinks), medicines or pharmaceutical products (e.g., tablets, lozenges, suspensions, etc.), nutraceutical products (e.g., supplements, vitamins, etc.), candy or confections; chewing gum; tobacco products (e.g., chewing tobacco); and the
- rebaudioside B or Stevia extracts or sweetening compositions comprising rebaudioside B and other optional sweeteners to foodstuffs is a process that will depend on the foodstuff and its preparation. Such preparation is known to those skilled in the art of preparing foodstuffs.
- the sweetening composition is included in an effective amount that imparts the desired amount of sweetness to foodstuff.
- One of skill in the art would recognize that it is routine practice to determine the preferred amount of sweetener to add in the preparation of foodstuffs.
- the foodstuff contains a sweetening composition comprising rebaudioside B and one or more additional sweet steviol glycoside compounds as described herein.
- steviol glycosides of the sweetening composition are at a total concentration that is less than their sweetening threshold (which is believed to be about 40 ppm). In such an embodiment, it is believed that at such low amounts the sweet steviol glycosides are functioning as a flavoring agent or a flavor enhancing agent rather than as a sweetener.
- the sweet steviol glycosides of the sweetening composition are at a total concentration that is at least about 50 ppm. In certain
- the sweet steviol glycosides of the sweetening composition are at a total concentration that is at least about 200 ppm, or at a concentration that is at least about 500 ppm, or at a concentration that is at least about 1500 ppm.
- the foodstuff is a beverage containing a sweetening
- the pH of the beverage is at least about pH 2 (and preferably at least about pH 4) and not greater than about pH 8.
- the sweet steviol glycosides of the sweetening composition are at a total concentration that is at least about 50 ppm.
- the sweet steviol glycosides of the sweetening composition are at a total concentration that is at least about 200 ppm, or at least about 500 ppm, or at least about 1500 ppm.
- Sweetening compositions in accordance with the principles set forth herein may be produced according to any appropriate method of which there are a variety.
- One such method involves blending certain amounts of rebaudioside B with and one or more additional sweet steviol glycoside compounds such as rebaudioside A and/or other sweet steviol glycoside compounds.
- a blend of purified rebaudioside B and rebaudioside A and/or other sweet steviol glycoside compounds may be made by blending dry powders of the
- sweet steviol glycoside compounds may be prepared in solution or suspension and co-dried to produce a powder.
- Rebaudioside A is a commercially available material that is typically characterized as being, for example, > 80% rebaudioside A, > 95% rebaudioside A, or > 97% of rebaudioside A. Such a purified form of rebaudioside A is typically achieved by reducing the amounts of other steviol glycosides by using solvent recrystallization, adsorption resins, or
- Rebaudioside B may be obtained according to a variety of means. For example,
- rebaudioside B may recovered from process streams associated with processing and purifying rebaudioside A by using, for example, precipitation, recrystallization, chromatographic fractionation, adsorption resins. Additionally, rebaudioside B may be obtained by the alkaline or acid hydrolysis of rebaudioside A such as disclosed by Kohda, et. al., Phytochemistry, vol. 15, pp. 981-983 (1975) and JP52083731A. Rebaudioside B may also be produced by the enzymatic hydrolysis of rebaudioside A such as disclosed by Mizukani, H., et al., Phytochem vol. 21, pp. 1927-1930 (1982).
- stevia extracts may have their rebaudioside B content increased by, for example, modifying the process parameters associated with the extraction of steviol glycosides from the stevia plant.
- the amount of rebaudioside B may be increased by controlling the pH of a process stream, the temperature of a process stream, increasing process duration, or a combination of such modifications.
- rebaudioside B may be separated from other steviol glycosides and related compounds using any appropriate method.
- rebaudioside B may be precipitated from solutions by decreasing the solution pH.
- Rebaudioside B is typically transformed into its essentially insoluble, protonated form in room temperature water at pH values lower than about 4.5.
- the precipitate can be centrifuged and the supernatant removed.
- the precipitate can be separated by filtration such as vacuum filtration or the use of a filter press.
- the soluble and insoluble phases can be separated by use of membranes.
- the filter cake, centrifuge pellet, or membrane retentate can be further purified by washing with water.
- the partially purified and recovered precipitate can be re-dissolved in water of pH greater than about 7.7, re- precipitated by the addition of acid to drop pH below about 4.5, and again separated from the impurity-containing liquid phase by any of the above techniques.
- rebaudioside B may be precipitated by the addition of a solvent in
- rebaudioside B has limited solubility or is insoluble.
- the specific solvent, amount added, and temperature are preferably to be selected such that essentially only rebaudioside B precipitates, not other compounds.
- soluble rebaudioside B may be separated from other soluble compounds by chromatographic fractionation, recrystallization, membrane separation using a membrane of appropriate pore size that retains rebaudiosides but allows smaller molecules to pass, or treatment with adsorptive resins that will either adsorb all impurities, eluting rebaudiosides, or adsorb rebaudiosides and elute all impurities.
- the resin would then be washed with an eluent having affinity for the adsorbed material, to regenerate the resin (in the first case) or recover the rebaudiosides (second case).
- Separated rebaudioside B may be dried by any appropriate method and associated apparatus such as by belt drying, drum drying, tray drying, spray drying, freeze drying, flash drying, or drying with a fluidized bed.
- any appropriate method and associated apparatus such as by belt drying, drum drying, tray drying, spray drying, freeze drying, flash drying, or drying with a fluidized bed.
- Rebaudioside B enriched glycoside mixtures Rebaudioside B enriched glycoside mixtures.
- a commercial blend of a steviol glycosides was dissolved in 0.0056 M citric acid buffer pH 3.1.
- a solution containing a commercially available sweetening composition containing 97% rebaudioside A was similarly prepared.
- the products were made up in pH 3.1 citric acid buffer (0.9 grams anhydrous citric acid (Tate & Lyle, Decatur, IL) and 0.26 grams sodium citrate dihydrate (Tate & Lyle, Decatur, IL) per liter and tested at room temperature in two ounce souffle cups label with random three-digit codes. The presentation order was rotated. The panelists were asked to identify the solution that was sweeter and which they like better. The ballot was presented and the data was collected with SIMS sensory software (Sensory Computer Systems, LLC, Morristown, NJ). Bottled water, a 2% sucrose solution, and unsalted crackers were available for the panelists to clear their palates before and during testing.
- c is the number of successes
- n is the number of trials
- po is the chance probability.
- a test is considered statistically significant when the p-value is less than the a priori set alpha risk.
- the two-tailed p-value is double the one-tailed p-value as calculated above.
- Thurstonian d' is a linear measure of psychophysical difference.
- a d' of 1 is generally considered to be a just-noticeable-difference (JND) where a stimulus will be judge stronger in 75% of the trials.
- JND just-noticeable-difference
- the Thurstonian d' is independent of test method and for paired comparison tests is calculat where p c is the proportion of successes, and ⁇ ( ⁇ ) is the cumulative distribution function of the standard normal distribution.
- rebaudioside B was made to the foregoing Commercial Blend to make a mixture of glycosides that is an embodiment of the present invention having a concentration of rebaudioside B relative to the total amount of sweet steviol glycosides of about 21% and a ratio of rebaudioside A to rebaudioside B of about 3:1.
- glycoside blend of a steviol glycosides was dissolved in 0.0056 M citric acid buffer pH 3.1.
- a solution containing a commercially available sweetening composition containing 97% rebaudioside A was similarly prepared.
- the rebaudioside B blend was both preferred and found to be sweeter than 97%
- Example 2 Preference testing of 800 ppm mixtures of Rebaudioside A or B mixed with stevioside.
- a taste panel was asked to compare a commercial mixture of rebaudioside A and stevioside to a 500 ppm sample of 97% rebaudioside A.
- the glycoside blend of steviol glycosides was dissolved in 0.0056 M citric acid buffer pH 3.1.
- a solution containing a commercially available sweetening composition containing 97% rebaudioside A was similarly prepared. Sample presentation was rotated and the samples of the two solutions (at room temperature) were presented to a panel of Tate & Lyle employees and they were asked to identify the solution that was sweeter and which they like better using the same instructions and questions as in Example 1. The results of the sweetness and preference questions were analyzed with the binomial test and the Thurstonian d' calculated as in Example 1.
- Another panel was asked to compare a mixture of rebaudioside B and Stevioside.
- the glycoside blend of steviol glycosides was dissolved in 0.0056 M citric acid buffer pH 3.1.
- a solution containing a commercially available sweetening composition containing 97% rebaudioside A was similarly prepared.
- the two solutions were presented to a panel of Tate & Lyle employees and they were asked to identify the solution that was sweeter and which they like better using the same instructions and questions as in Example 1.
- Example 3 Preference testing mixtures of Rebaudioside A or B.
- a taste panel was asked to compare a commercial mixture of rebaudioside A and rebaudioside B and a 900 ppm sample of 97% rebaudioside A.
- Tate & Lyle employees participated in paired comparison tests for sweetness and preference. Samples were tested at room temperature in two ounce souffle cups label with random three-digit codes. The presentation order was not rotated because of carryover of the off-flavor of rebaudioside A at 900 ppm.
- the panelist evaluated the test sample first and then the control 900 ppm rebaudioside A sample. The panelists were instructed not to re-taste the samples.
- Example 4 Preference testing of mixtures of Steviol Glycosides.
- Panelists were used in paired comparison tests for sweetness and preference. The products were tested at refrigerated temperature in two ounce souffle cups label with three- digit codes. The samples were poured immediately before serving. The panelists were asked to identify the beverage that is sweeter and which they like better. Bottled water, a 2% sucrose solution, and unsalted crackers were available for the panelists to clear their palates before and during testing.
- the panelists evaluated the test sample first and then evaluated the control 900 ppm rebaudioside A sample second.
- the presentation order in this test was not rotated because of carryover of the off-flavor of rebaudioside A at 900 ppm.
- the panelists were instructed to consume all of the samples and not to re-taste the samples.
- the panelists were alerted to the fact that the order of the samples on the ballot may not be the same as the order the samples are presented.
- the panelists were instructed to mark the sample they prefer with an adhesive- backed note and these results were compared to the results from the ballot. There was an enforced rest of one minute between samples and two minutes between tests where the panelists were instructed to clear their palates with 2% sucrose, cracker, and water.
- the products tested were lemon-lime carbonated soft drinks comprising one part syrup and four parts carbonated water, wherein the syrups had the compositions set forth in Table 12, below.
- a 10X concentrated citric acid/sodium citrate pH 3 stock buffer solution was prepared by dissolving 0.9 g anhydrous citric acid and 0.26 g of sodium citrate dihydrate in water to make lOOmL of buffer (0.047 M citric acid + 0.0088 M sodium citrate).
- a 2500 ppm (nominal) solution of rebaudioside A was prepared by dissolving 0.125 g of GLG RA 97 to make 50 mL of solution.
- a 2500 ppm (nominal) solution of stevioside was prepared by dissolving 0.125 g of GLG STV 97 to make 50 mL of solution.
- a 1000 ppm (nominal) solution of rebaudioside B was prepared by diluting 56 mL of a solution assayed at 1790 ppm to make 100 mL of solution.
- EXPERT 8 software Briefly, the data were entered into the program as "factor" data as a 2 factor - 5 level general factorial design as the nominal data which were then converted to numerical data and replaced by the actual HPLC results. The software then selected a model that predicted the concentration (solubility) of rebaudioside B as a function of the
- Table 17 shows the experimentally determined compositions of the supernatants from each of the test solutions.
- the rebaudioside B used in this study contained about 6-7% rebaudioside A which explains the rebaudioside A found in tubes 1-5. It is also evident from the data that the concentrations of stevioside and rebaudioside A in the samples are consistent with the belief that these compounds are completely soluble in this buffer at this concentration, i.e., only the rebaudioside B was precipitating in the experiment.
- the data shown in Table 17 were entered into DESIGN EXPERT 8 and a two factor linear regression model was generated, which is set forth in Equation 1 , below.
- ConcB 225.18 + 0.312 * concA - 0.02264 * concSs (Eq. 1)
- the equation shows that the concentration of B in the supernatant (concB, i.e., the solubility limit) was found to be influenced by both the concentration of rebaudioside A (concA) and the concentration of stevioside (concSs).
- the rebaudioside B solubility was increased substantially by increases in the concentration of rebaudioside A, and slightly decreased by the increases in the concentration of stevioside.
- Equation 1 plots as a plane in a 3-D plot as shown in Figure 1.
- the plane represents the maximum solubility of rebaudioside B in citric acid buffer (pH 3.1), ranging from a low of about 225 ppm when in 478 ppm stevioside (according to the model) to about 380 ppm in 480 ppm rebaudioside A.
- Equation 2 defines the edge of the stable solution solubility region in ternary mixtures of rebaudioside A, stevioside, and rebaudioside B.
- the size of the stable region able region will depend on the total concentration (C 10t ).
- a descriptive panel was used to quantify flavor attributes and intensities of varying levels of rebaudioside B added to rebaudioside A (which was 97% pure and contained 0.62% rebaudioside B).
- the sweeteners were evaluated by the panelists at 900 ppm rebaudioside A + rebaudioside B solutions, wherein the amount of added rebaudioside B was such that the total content of rebaudioside B was 0.6%, 3.6%, 6.5%, 11.4%, 22.3%, 37.5%, and 52%.
- An 8% sucrose solution as a control.
- the solutions were prepared in neutral pH water.
- Other high intensity sweeteners included in the testing were Aspartame at 500 ppm, ASK at 750 ppm, Sucralose at 250 ppm, and Stevia at 500 ppm.
- the panelists evaluated the samples for the various attributes and rated them on a scale from none to extreme that encompasses all food ingredient products, not just sweeteners.
- the products and solutions set forth in Table 19 were used to "anchor" the panelist to the scales.
- Figure 3 shows the magnitude of the mean responses of the panelists of each flavor attribute for which statistically significant differences were measured as a function of rebaudioside B content. Because the scale used encompasses "the universe", the magnitude of differences between the 97% rebaudioside A solution and increasing levels of rebaudioside B is not as large as other informal testing determined. For example, several informal testers believed that adding about 20% rebaudioside A reduced the bitterness by about 80% whereas the results from above-described panel of tasters showed that adding about 20% rebaudioside A reduced bitterness by about 30%.
- sucrose was the Lowest in the following: Total Flavor (although not significantly on the second sip vs. 22.3%, 37.5%, and 52% rebaudioside B); Sweetness on the first sip and in the aftertaste (although not significantly lower than the bitter control); Total Off Flavor; Artificial Sweetener/Chemical; True Bitter; Anise; and Mouthcoating.
- rebaudioside B was High in the following: Total Off Flavor on the second sip; Artificial Sweetener/Chemical on the first and second sips; True Bitter; and Anise in the aftertaste.
- B added was High in the following: Total Flavor; Sweetness in the aftertaste; Total Off Flavor; Artificial Sweetener/Chemical on the second sip and in the aftertaste; True Bitter in the aftertaste; and Anise in the aftertaste.
- B added was High in the following: Sweetness in the first sip; Total Off Flavor on the second sip; and Artificial Sweetener/Chemical on the second sip.
- rebaudioside B added was Low in the following: Total Flavor on the second sip Total; Total Off Flavor on the second sip; Artificial Sweetener/Chemical on the first and second sips; True Bitter on the second sip; and Anise in the aftertaste.
- rebaudioside B added was Low in the following: Total Flavor on the second sip and in the aftertaste; Total Off Flavor on the second sip; Artificial Sweetener/Chemical on the second sip and in the aftertaste; and True Bitter on the second sip.
- B added was Low in the following: Total Flavor on the first and second sips; Sweet on the first sip; Total Off Flavor on the first and sips; Artificial Sweetener/Chemical on the first and second sips; True Bitter; and Anise on the first sip.
- the present invention may be used to produce high intensity sweetener compositions that can be used to provide the "full" sweetness needed for many applications, which typically cannot be achieved with rebaudioside A alone because of its bitterness at concentrations above about 200 ppm. More specifically, because the present invention allows for the production of high intensity sweeteners that may be added to consumables such that the consumables comprises about 800 to about 1000 ppm of rebaudiosides without the consumable having unacceptable levels of bitterness, sweetener compositions of the present invention may be used to provide the entire sweetness needed for many consumables (food applications).
Abstract
Description
Claims
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
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BR112013019022A BR112013019022A2 (en) | 2011-01-28 | 2011-10-19 | stevia mixtures containing rebaudioside b |
AU2011356644A AU2011356644B2 (en) | 2011-01-28 | 2011-10-19 | Stevia blends containing rebaudioside B |
EP11781699.1A EP2667732B1 (en) | 2011-01-28 | 2011-10-19 | Stevia blends containing rebaudioside b |
CN201180069627.7A CN103458706B (en) | 2011-01-28 | 2011-10-19 | STEVIA REBAUDIANA admixture containing rebaudioside B |
EP18162416.4A EP3395184A1 (en) | 2011-01-28 | 2011-10-19 | Stevia blends containing rebaudioside b |
ES11781699.1T ES2557560T3 (en) | 2011-01-28 | 2011-10-19 | Stevia mixtures containing rebaudioside B |
JP2013551961A JP6010552B2 (en) | 2011-01-28 | 2011-10-19 | Stevia blend containing Rebaudioside B |
CA2825702A CA2825702C (en) | 2011-01-28 | 2011-10-19 | Stevia blends containing rebaudioside b |
RU2013139879/13A RU2581218C2 (en) | 2011-01-28 | 2011-10-19 | Stevia blends containing rebaudioside b |
KR1020137022760A KR101797644B1 (en) | 2011-01-28 | 2011-10-19 | Stevia blends containing rebaudioside B |
MX2013008705A MX341180B (en) | 2011-01-28 | 2011-10-19 | Stevia blends containing rebaudioside b. |
IL227610A IL227610A (en) | 2011-01-28 | 2013-07-23 | Stevia blends containing rebaudioside b |
IL248973A IL248973B (en) | 2011-01-28 | 2016-11-14 | Stevia blends containing rebaudioside b |
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