WO2007016547A2 - Low-sediment acidic protein beverages - Google Patents
Low-sediment acidic protein beverages Download PDFInfo
- Publication number
- WO2007016547A2 WO2007016547A2 PCT/US2006/029888 US2006029888W WO2007016547A2 WO 2007016547 A2 WO2007016547 A2 WO 2007016547A2 US 2006029888 W US2006029888 W US 2006029888W WO 2007016547 A2 WO2007016547 A2 WO 2007016547A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid composition
- gum
- protein
- bacterial cellulose
- cellulose
- Prior art date
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Classifications
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- 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
- A23L2/66—Proteins
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C11/00—Milk substitutes, e.g. coffee whitener compositions
- A23C11/02—Milk substitutes, e.g. coffee whitener compositions containing at least one non-milk component as source of fats or proteins
- A23C11/10—Milk substitutes, e.g. coffee whitener compositions containing at least one non-milk component as source of fats or proteins containing or not lactose but no other milk components as source of fats, carbohydrates or proteins
- A23C11/103—Milk substitutes, e.g. coffee whitener compositions containing at least one non-milk component as source of fats or proteins containing or not lactose but no other milk components as source of fats, carbohydrates or proteins containing only proteins from pulses, oilseeds or nuts, e.g. nut milk
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/156—Flavoured milk preparations ; Addition of fruits, vegetables, sugars, sugar alcohols or sweeteners
- A23C9/1565—Acidified milk products, e.g. milk flavoured with fruit juices
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- 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
- A23L2/38—Other non-alcoholic beverages
-
- 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
-
- 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
- A23L2/68—Acidifying substances
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- 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
- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
- A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
- A23L29/206—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of vegetable origin
- A23L29/25—Exudates, e.g. gum arabic, gum acacia, gum karaya or tragacanth
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- 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
- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
- A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
- A23L29/206—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of vegetable origin
- A23L29/262—Cellulose; Derivatives thereof, e.g. ethers
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- 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
- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
- A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
- A23L29/269—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of microbial origin, e.g. xanthan or dextran
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- 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
- A23L33/16—Inorganic salts, minerals or trace elements
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- 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
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- 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
- A23V2200/20—Ingredients acting on or related to the structure
- A23V2200/242—Thickening agent
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- 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
- A23V2250/50—Polysaccharides, gums
- A23V2250/502—Gums
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- 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
- A23V2250/50—Polysaccharides, gums
- A23V2250/502—Gums
- A23V2250/5072—Pectine, pectinate
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- 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
- A23V2250/50—Polysaccharides, gums
- A23V2250/51—Polysaccharide
- A23V2250/5108—Cellulose
Definitions
- the present invention relates generally to specific types of low pH protein-based beverages (such as soy- and/or dairy-based types) that are properly suspended to prevent undesirable sedimentation of such protein constituents during storage.
- beverages include a thickening system comprising bacterial cellulose (BC) coated with different water soluble co-agents such that the BC-based component provides a network forming structure that suspends the target proteins and prevents any appreciable sedimentation of such proteins.
- BC bacterial cellulose
- this system is capable of improving the suspension of acidic protein beverages fortified with insoluble calcium.
- the beverages encompassed within this invention exhibit certain stability benefits under typical storage conditions and may, depending upon the pH of the overall system, include additives that coat the proteins to prevent, or at least retard, aggregation of such constituent proteins when the pH level approaches their pertinent isoelectric point.
- Soy- and dairy-based protein beverages have increased in popularity as the availability of such products increases and improvements in organoleptic properties for such beverages occur.
- a consumer is generally very particular about the beverage he or she ingests.
- With such increased utilization comes the desire to increase options in terms of taste, scent, and appearance in order to provide a more attractive product.
- Such an ultimate goal has proven rather difficult to attain, mainly due to shelf-life stability problems associated with the nutrient base-product proteins present within such beverages.
- Dairy milk has been consumed for a very long time and is a staple product after pasteurization. There is a continued desire, however, to provide different flavorings within such a product such that pH issues remain a recurring problem with the all- important proteins present therein. Soy milk has found a foothold within certain markets particularly due to the absence of lactose within such products. Such soy products, however, exhibit similar problems as with the dairy protein-based compositions in terms of long-term shelf stability .
- the proteins within such a target beverage can be easily suspended with typical thickening agents (such as carboxymethylcellulose and other cellulose ethers, pectin, starch, xanthan gum, guar gum, locust bean gum, carrageenan and the like).
- typical thickening agents such as carboxymethylcellulose and other cellulose ethers, pectin, starch, xanthan gum, guar gum, locust bean gum, carrageenan and the like.
- soy or milk proteins have a net negative charge, thereby reliably keeping the protein particles from aggregating, clustering, or otherwise creating large particles.
- These typical thickening agents are believed to impart an increase to the viscosity of the water phase of the target beverage. This aiding in the retention of the water phase of such a target beverage thus potentially limits the formation of protein precipitate to the extent that the protein remains soluble therein.
- these typical thickening agents provide a manner of minimizing protein sedimentation at neutral pH levels.
- the main problem exists when the pH level is lowered to a pH value of between about 3.6 and 4.5, in order to accommodate the addition of organoleptic enhancers, such as flavorings, colorants, and the like.
- organoleptic enhancers such as flavorings, colorants, and the like.
- Off-note, or beany flavors of soy milk may be masked, or flavor enhancements may be added to dairy milk, by changing the flavor and lowering the pH of these beverages, thus increasing the organoleptic and/or aesthetic characteristics of such a target beverage. This can cause the protein particles to exhibit a decrease in charge density (i.e., a pH at or near the isoelectric point for the particular proteins present therein).
- pectin may be introduced within such a beverage composition which is then adjusted to an acidic pH levels (i.e., below 4.5).
- the pectin will become, in essence, activated at such an acidic level, such that it may not only properly coat such proteins, but will prevent, or, more appropriately, reduce protein- protein interactions near its isoelectric point.
- pectin will not prevent such aggregation and ultimate sedimentation on a long-term basis; as such beverages generally require a very long shelf life, such a system of protein sedimentation reduction does not provide, by itself, effective results for the implementation of a low pH system to increase flavor levels (as one example) within soy protein beverages.
- pectin additives do not provide the same type of significant, but limited, benefit when the pH is at a higher level (i.e., 5.0 to 6.0). At such a pH level, the pectin will not interact with the protein to the extent that proper coating and protection from such deleterious charged portion interactions will occur. At such a higher pH level, the proteins will not exhibit denaturation as readily as at a lower pH. The heat of processing, however, can still induce association and coagulation of proteins even though the subject formulation is present within this higher pH range (pH 5-6).
- this invention encompasses a liquid composition
- a liquid composition comprising at least one protein-based material and at least one bacterial cellulose-containing formulation comprising at least one bacterial cellulose material and at least one polymeric thickener selected from the group consisting of at least one charged cellulose ether, at least one precipitation agent selected from the group consisting of xanthan products, pectin, alginates, gellan gum, welan gum, diutan gum, rhamsan gum, carrageenan, guar gum, agar, gum arabic, gum ghatti, karaya gum, gum tragacanth, tamarind gum, locust bean gum, and the like, and any mixtures thereof, wherein said liquid composition exhibits a pH level of at most 5.5.
- this invention also encompasses a liquid composition comprising at least one protein-based material in an amount of between 0.1 and 20% by weight and exhibiting a pH level of at most 5.5, wherein said liquid composition exhibits a sedimentation level of protein of at most 10% after 24 hours of storage at a temperature of 22°C. Additionally, this invention further encompasses liquid composition comprising at least one protein-based material in an amount of between 0.1 and 20% by weight, and a source of insoluble calcium in an amount of between 0.05 and 5% by weight, said liquid composition exhibiting a pH level of at most 5.5; wherein said liquid composition exhibits a sedimentation level of protein of at most 10% and a sedimentation level of insoluble calcium of at most 10% after 24 hours of storage at a temperature of 22°C.
- the possible charged cellulose ether within the bacterial cellulose-containing formulation is a compound utilized to disperse and stabilize the reticulated network in the final end-use compositions to which such a bacterial cellulose-containing formulation is added.
- the charged compounds facilitate, as alluded to above, the ability to form the needed network of fibers through the repulsion of individual fibers.
- Such a network provides an excellent network within a target beverage that exhibits sufficient strength and stability upon long-term storage, as well as thixotropic characteristics, such that any aggregated proteins present within such a target beverage will not appreciably sediment over time.
- the possible precipitation agent within the bacterial cellulose-containing formulation is a compound utilized to preserve the functionality of the reticulated bacterial cellulose fiber during drying and milling.
- Examples of such charged cellulose ethers include such cellulose-based compounds that exhibit either an overall positive or negative and include, without limitation, any sodium carboxymethylcellulose (CMC), cationic hydroxyethylcellulose, and the like.
- the precipitation (drying) agent is selected from the group of natural and/or synthetic products including, without limitation, xanthan products, pectin, alginates, gellan gum, propylene glycol alginate, rhamsan gum, carrageenan, guar gum, agar, gum arabic, gum ghatti, karaya gum, gum tragacanth, tamarind gum, locust bean gum, and the like.
- a precipitation (drying) agent is included.
- the formulation of bacterial cellulose and pectin produced thereby has the distinct advantage of facilitating activation without any labor- or energy- intensive activation required.
- Another distinct advantage of this overall method is the ability to collect the resultant bacterial cellulose-containing formulation through precipitation with isopropyl alcohol, whether with a charged cellulose ether or a precipitation (drying) agent present therein.
- the alcohol-insoluble polymeric thickener such as xanthan or sodium CMC
- the polymeric thickener actually helps associate and dewater the cellulosic fibers upon the addition of a nonaqueous liquid (such as preferably a lower alkyl alcohol), thus resulting in the collection of substantial amounts of the low-yield polysaccharide during such a co-precipitation stage.
- a nonaqueous liquid such as preferably a lower alkyl alcohol
- the avoidance of substantial amounts of water during the purification and recovery steps thus permits larger amounts of the bacterial cellulose to be collected ultimately.
- the highest amount of fermented bacterial cellulose can be collected, thus providing the high efficiency in production desired, as well as the avoidance of, as noted above, wastewater and multiple passes of dewatering and re-slurrying typically required to obtain such a resultant product.
- a drying agent in particular, as one non-limiting example, a pectin product, as a coating over at least a portion of the bacterial cellulose fiber bundles, appears to provide the improvement in activation requirements when introduced within a target end use composition.
- a drying agent in particular, as one non-limiting example, a pectin product, as a coating over at least a portion of the bacterial cellulose fiber bundles.
- BC bacterial cellulose
- Such target beverage are preferably dairy-based or soy-based and thus include protein substances associated directly with such materials.
- other types of beverages that include proteins that exhibit an aggregation capability may also be utilized within the scope of this invention.
- Such beverages include, without limitation, fruit flavored milk or soy milk drinks, nutritional beverages, and yogurt smoothie.
- protein-including beverages that are desirous of proper suspension in order to provide nutrients in such a suspension form after long-term storage.
- the term "bacterial cellulose-containing formulation” is intended to encompass a bacterial cellulose product as produced by the inventive method and thus including a polymeric thickener coating at least a portion of the resultant bacterial cellulose fiber bundles.
- the term “formulation” thus is intended to convey that the product made therefrom is a combination of bacterial cellulose and a polymeric thickener produced in such a manner and exhibiting such a resultant structure and configuration.
- the term "bacterial cellulose” is intended to encompass any type of cellulose produced via fermentation of a bacteria of the genus Acetobacter and includes materials referred popularly as microfibrillated cellulose, reticulated bacterial cellulose, and the like.
- Bacterial cellulose may be used as an effective rheological modifier in various compositions. Such materials, when dispersed in fluids, produce highly viscous, thixotropic mixtures possessing high yield stress. Yield stress is a measure of the force required to initiate flow in a gel-like system. It is indicative of the suspension ability of a fluid, as well as indicative of the ability of the fluid to remain in situ after application to a vertical surface.
- such rheological modification behavior is provided through some degree of processing of a mixture of the bacterial cellulose in a hydrophilic solvent, such as water, polyols (e.g., ethylene glycol, glycerin, polyethylene glycol, etc.), or mixtures thereof.
- a hydrophilic solvent such as water, polyols (e.g., ethylene glycol, glycerin, polyethylene glycol, etc.), or mixtures thereof.
- This processing is called “activation” and comprises, generally, high pressure homogenization and/or high shear mixing.
- the inventive bacterial cellulose-containing formulations of the invention have been found to activate at low energy mixing. Activation is a process in which the 3 -dimensional structure of the cellulose is modified such that the cellulose imparts functionality to the base solvent or solvent mixture in which the activation occurs, or to a composition to which the activated cellulose is added.
- Functionality includes providing such properties as thickening, imparting yield stress, heat stability, suspension properties, freeze-thaw stability, flow control, foam stabilization, coating and film formation, and the like.
- the processing that is followed during the activation process does significantly more than to just disperse the cellulose in base solvent. Such processing "tears apart" the cellulose fibers to expand the cellulose fibers.
- the bacterial cellulose-containing formulation may be used in the form of a wet slurry (dispersion) or as a dried product, produced by drying the dispersion using well-known drying techniques, such as spray-drying or freeze-drying to impart the desired rheological benefits to a target fluid composition.
- the activation of the bacterial cellulose BC expands the cellulose portion to create a reticulated network of highly intermeshed fibers with a very high surface area.
- the activated reticulated bacterial cellulose possesses an extremely high surface area that is thought to be at least 200-fold higher than conventional microcrystalline cellulose (i.e., cellulose provided by plant sources).
- the bacterial cellulose utilized herein may be of any type associated with the fermentation product of Acetobacter genus microorganisms, and was previously available, as one example, from CPKelco U.S. under the tradename CELLULON®. Such aerobic cultured products are characterized by a highly reticulated, branching interconnected network of fibers that are insoluble in water.
- Dry reticulated bacterial cellulose can be produced using drying techniques, such as spray-drying or freeze-drying, that are well known.
- Acetobacter is characteristically a gram-negative, rod shaped bacterium 0.6-0.8 microns by 1.0-4 microns. It is a strictly aerobic organism; that is, metabolism is respiratory, not fermentative. This bacterium is further distinguished by the ability to produce multiple poly ⁇ -l,4-glucan chains, chemically identical to cellulose.
- the microcellulose chains, or microfibrils, of reticulated bacterial cellulose are synthesized at the bacterial surface, at sites external to the cell membrane. These microfibrils generally have cross sectional dimensions of about 1.6 nm by 5.8 nm.
- the microfibrils at the bacterial surface combine to form a fibril generally having cross sectional dimensions of about 3.2 nm by 133 nm.
- the small cross sectional size of these Acetobacter-pro ⁇ xce ⁇ fibrils, together with the concomitantly large surface and the inherent hydrophilicity of cellulose, provides a cellulose product having an unusually high capacity for absorbing aqueous solutions.
- Additives have often been used in combination with the reticulated bacterial cellulose to aid in the formation of stable, viscous dispersions.
- the aforementioned problems inherent with purifying and collecting such bacterial cellulose have led to the determination that the method employed herein provides excellent results to the desired extent.
- the first step in the overall process is providing any amount of the target bacterial cellulose in fermented form.
- the production method for this step is described above.
- the yield for such a product has proven to be very difficult to generate at consistently high levels, thus it is imperative that retention of the target product be accomplished in order to ultimately provide a collected product at lowest cost. Purification is well known for such materials.
- Lysing of the bacterial cells from the bacterial cellulose product is accomplished through the introduction of a caustic, such as sodium hydroxide, or any like high pH (above about 12.5 pH, preferably) additive in an amount to properly remove as many expired bacterial cells as possible from the cellulosic product. This may be followed in more than one step if desired. Neutralizing with an acid is then typically followed. Any suitable acid of sufficiently low pH and molarity to combat (and thus effectively neutralize or reduce the pH level of the product as close to 7.0 as possible) may be utilized. Sulfuric acid, hydrochloric, and nitric acid are all suitable examples for such a step. One of ordinary skill in the art would easily determine the proper selection and amount of such a reactant for such a purpose. Alternatively, the cells may be lysed and digested through enzymatic methods (treatment with lysozyme and protease at the appropriate pH).
- a caustic such as sodium hydroxide, or any like high pH (above about
- the lysed product is then subjected to mixing with a polymeric thickener in order to effectively coat the target fibers and bundles of the bacterial cellulose.
- the polymeric thickener must be insoluble in alcohol (in particular, isopropyl alcohol).
- alcohol in particular, isopropyl alcohol.
- Such a thickener is either an aid for dispersion of the bacterial cellulose within a target fluid composition, or an aid in drying the bacterial cellulose to remove water therefrom more easily, as well as potentially aid in dispersing or suspending the fibers within a target fluid composition.
- Proper dispersing aids include, without limitation, CMC (of various types), cationic HEC, etc., in essence any compound that is polymeric in nature and exhibits the necessary dispersion capabilities for the bacterial cellulose fibers when introduced within a target liquid solution.
- CMC such as CEKOL® available from CP Kelco.
- Proper precipitation aids include any number of biogums, including xanthan products (such as KELTROL®, KELTROL T®, and the like from CP Kelco), gellan gum, welan gum, diutan gum, rhamsan gum, guar, locust bean gum, and the like, and other types of natural polymeric thickeners, such as pectin, as one non-limiting example.
- xanthan products such as KELTROL®, KELTROL T®, and the like from CP Kelco
- gellan gum welan gum
- diutan gum rhamsan gum
- guar guar
- locust bean gum locust bean gum
- pectin as one non-limiting example.
- the commingling of the two products in broth, powder or rehydrated powder form allows for the desired generation of the polymeric thickener coating on at least a portion of the fibers and/or bundles of the bacterial cellulose.
- the broths of bacterial cellulose and xanthan are mixed subsequent to purification (lysing) of both in order to remove the residual bacterial cells.
- the broths may be mixed together without lysing initially, but co-lysed during mixing for such purification to occur.
- the amounts of each component within the method may vary greatly.
- the bacterial cellulose will typically be present in an amount from about 0.1% to about 5% by weight, preferably from about 0.5 to about 3.0%, whereas the polymeric thickener may be present in an amount form 10 to about 900% by weight of the bacterial cellulose.
- the resultant product is then collected through co-precipitation in a water-miscible nonaqueous liquid.
- a water-miscible nonaqueous liquid is an alcohol, such as, as most preferred, isopropyl alcohol.
- alcohols such as ethanol, methanol, butanol, and the like, may be utilized as well, not to mention other water-miscible nonaqeuous liquids, such as acetone, ethyl acetate, and any mixtures thereof. Any mixtures of such nonaqueous liquids may be utilized, too, for such a co- precipitation step.
- the co-precipitated product is processed through a solid- liquid separation apparatus, allowing for the alcohol-soluble components to be removed, leaving the desired bacterial cellulose-containing formulation thereon.
- a wetcake form product is collected and then transferred to a drying apparatus and subsequently milled for proper particle size production.
- Further co-agents may be added prior to precipitation or to the wetcake or to the dried materials in order to provide further properties and/or benefits.
- Such co-agents include plant, algal and bacterial polysaccharides and their derivatives along with lower molecular weight carbohydrates such as sucrose, glucose, maltodextrin, and the like.
- additives that may be present within the bacterial cellulose-containing formulation include, without limitation, a hydrocolloid, polyacrylamides (and homologues), polyacrylic acids (and homologues), polyethylene glycol, poly(ethylene oxide), polyvinyl alcohol, polyvinylpyrrolidones, starch (and like sugar-based molecules), modified starch, animal- derived gelatin, dairy proteins, soy proteins, other animal or plant-derived proteins and non-charged cellulose ethers (such as carboxymethylcellulose, hydroxyethylcellulose, and the like).
- a hydrocolloid polyacrylamides (and homologues), polyacrylic acids (and homologues), polyethylene glycol, poly(ethylene oxide), polyvinyl alcohol, polyvinylpyrrolidones, starch (and like sugar-based molecules), modified starch, animal- derived gelatin, dairy proteins, soy proteins, other animal or plant-derived proteins and non-charged cellulose ethers (such as carboxymethylcellulose, hydroxyethylcellulose, and
- the bacterial cellulose-containing formulations of this invention may then be introduced into the target inventive sufficiently low pH protein-based beverages.
- beverage compositions may include such bacterial cellulose-containing formulations in an amount from about 0.01% to about 1% by weight, and preferably about 0.03% to about 0.5% by weight of the total weight of the beverage composition and a protein- based material (preferably, though not necessarily dairy and or soy in nature) in an amount of from 0.1 to 20% by total weight of the beverage composition.
- protein- based materials include, again, without limitation, cow's milk, goat's milk, soy milk, milk solids, whey proteins, caseins, soy protein concentrate, soy protein isolate, and any mixtures thereof.
- Other possible additives that may be included within this low pH beverage include, particularly, flavorings, preservatives, colorants, stabilizers, sweeteners (such as sugar, saccharin, and the like), fruit pulps, dietary fibers, vitamins and minerals.
- BC was produced in a 1200 gal fermentor with final yield of 1.93 wt%.
- the broth was treated with 350 ppm of hypochlorite and subsequently treated with 70 ppm of lysozyme and 194 ppm of protease.
- the press cake was then dried and milled as in Example 1.
- the powdered formulation was then introduced into a STW sample in an amount of about 0.36% by weight thereof, and the composition was then mixed with a Silverson mixer at 8000 rpm for 5 min.
- the product viscosity and yield stress were 1057 cP and 3.65 dynes/cm 2 , respectively.
- Example 2 Example 2
- BC was produced in a 1200 gal fermentor with final yield of 1.93 wt%.
- the broth was treated with 350 ppm of hypochlorite and subsequently treated with 70 ppm of lysozyme and 194 ppm of protease.
- the press cake was dried and milled as in Example 1.
- the powdered formulation was then introduced into a STW sample in an amount of about 0.36% by weight thereof, with 20% CMC added simultaneously, and the composition was then mixed with a Silverson mixer at 8000 rpm for 5 min.
- the product viscosity and yield stress were 377 cP and 1.06 dynes/cm 2 , respectively.
- BC was produced in a 1200 gal fermentor with final yield of 1.93 wt%.
- the broth was treated with 350 ppm of hypochlorite and subsequently treated with 70 ppm of lysozyme and 194 ppm of protease.
- the press cake was dried and milled as in Example 1.
- the powdered formulation was then introduced into a STW sample in an amount of about 0.36% by weight thereof, and the composition was then mixed with a Silverson mixer at 8000 rpm for 5 min.
- the product viscosity and yield stress were 432 cP and 1.39 dynes/cm 2 , respectively.
- BC was produced in a 1200 gal fermentor with final yield of 1.93 wt%.
- the broth was treated with 350 ppm of hypochlorite and subsequently treated with 70 ppm of lysozyme and 194 ppm of protease.
- the press cake was dried and milled as in Example 1.
- the powdered formulation was then introduced into a STW sample in an amount of about 0.36% by weight thereof, and the composition was then mixed with a Silverson mixer at 8000 rpm for 5 min.
- the product viscosity and yield stress were 552 cP and 1.74 dynes/cm 2 , respectively.
- BC was produced in a 1200 gal fermentor with final yield of 1.4 wt%.
- the broth was treated with 350 ppm of hypochlorite and subsequently treated with 70 ppm of lysozyme and 350 ppm of protease followed with another 350 ppm of hypochlorite.
- the powdered formulation was then introduced into a STW solution and 0.25% CaC12 solution in an amount of about 0.2% by weight thereof, respectively, and the composition was then activated with an extensional homogenizer at 1500 psi for 2 passes.
- the product viscosities at 6 rpm were 343 cP and 334 cP in STW and 0.25% CaCl 2 solutions, respectively.
- About 20 3.2 mm diameter nylon beads (1.14 g/mL) were dropped into each of the solutions (in STW or 0.25% CaCl 2 solution) and the solutions were left at room temperature for 24 hrs. None of the beads settled down to the bottom of the beakers after the 24-hour time period.
- BC was produced in a 1200 gal fermentor with final yield of 1.6 wt%.
- the broth was treated with 350 ppm of hypochlorite and subsequently treated with 70 ppm of lysozyme and 350 ppm of protease followed with another 350 ppm of hypochlorite.
- the powdered formulation was then introduced into a STW solution and 0.25% CaC12 solution in an amount of about 0.2% by weight thereof, respectively, and the composition was then activated with an extensional homogenizer at 1500 psi for 2 passes.
- the product viscosities at 6 rpm were 306 cP and 293cP in STW and 0.25% CaCl 2 solutions, respectively.
- About 20 3.2 mm diameter nylon beads (1.14 g/mL) were dropped into each of the solutions (in STW or 0.25% CaCl 2 solution) and the solutions were left at room temperature for 24 hours. None of the beads settled down to the bottom of the beakers after the 24-hour time period.
- BC was produced in a 1200 gal fermentor with final yield of 1.6 wt%.
- the broth was treated with 350 ppm of hypochlorite and subsequently treated with 70 ppm of lysozyme and 350 ppm of protease followed with another 350 ppm of hypochlorite.
- the powdered formulation was then introduced into a STW solution and 0.25% CaC12 solution in an amount of about 0.2% by weight thereof, respectively, and the composition was then activated with an extensional homogenizer at 1500 psi for 2 passes.
- the product viscosities at 6 rpm were 206 cP and 202 cP in STW and 0.25% CaC12 solutions, respectively.
- About 20 3.2 mm diameter nylon beads (1.14 g/mL) were dropped into each of the solutions (in STW or 0.25% CaCl 2 solution) and the solutions were left at room temperature for 24 hours. None of the beads settled down to the bottom of the beakers after the 24-hour time period.
- the soy protein isolate was dispersed into 25°C deionized (DI) water within a flask using a high speed mixer (Caframo Stirrer). The resultant mixture was then heated to 70°C, held for 5 min and then cooled to ambient temperature (about 20-25°C).
- the HM pectin was dispersed into 50 0 C DI water using the same type of high speed mixer for 5 minutes and allowed to cool to ambient temperature.
- the HM pectin solution was then added to the soy isolate solution and stirred by hand for about 3 minutes until the temperature was about ⁇ 25°C.
- the orange juice (no pulp MINUTE MAID® brand from The Coca-Cola Company) was then added to the resultant solution.
- Inventive samples were then prepared including certain bacterial-cellulose containing formulations, such as BC:Xanthan:CMC (stabilizer A from Example 1, above) and BC:Pectin:CMC (stabilizer B from Example 6, above).
- Table 2 shows the compositions made therefrom. The processes of preparing these are the same as outlined above.
- the control sample After seven days of room temperature, the control sample had the worst stability, due to formation of large sediment.
- the composition of the middle and bottom portion of the beverage was analyzed for solids and calcium content, in the stable and unstable regions, respectively. There was a higher amount of solids at the bottom compared to the center of the sample (15.16% vs. 11.80%). These unstable solids contained 2.15% unstable calcium compared to 0.68% in the stable portion of the beverage, of which the difference in calcium and solids in the sediment was composed of protein and sugars.
- BC based stabilizers improved calcium suspension over the control.
- the difference in solids between the center and bottom of the sample in stabilizers B and C was negligible, as was the difference in calcium concentration, suggesting that both BC-based stabilizers were capable of suspending protein in the acidified soy beverage.
- the results are tabulated below in Table 8.
- the inventive stabilized beveraged exhibited excellent calcium stabilization and suspension versus the control even when in solution with potentially aggregating protein solids.
- control sample formed a protein sediment at the bottom of the container, and demonstrated 80% phase separation.
- stability improved to just 35% phase separation.
- concentration Increasing the concentration to 0.10% further improved the stability to 10% phase separation.
- Complete stability was observed in the sample stabilized with 0.15% stabilizer B.
- all samples were orally evaluated and there was no graininess noted in any the samples.
- the control sample After 7 days of such storage, the control sample had completely failed, forming a dense sediment at the bottom of the container. Both samples using stabilizer B had completely uniform suspension of proteins in the drink. Oral evaluation of the sample demonstrated a noticeable grainy texture in the control sample, while 0.15% Stabilizer B and 0.20% Stabilizer B were smoother. The mouthfeel increased in thickness as the concentration of stabilizer B increased from 0.15% to 0.20%. t Thus, in all instances, the inclusion of the suspension aid with BC imparted excellent low phase separation, stable visual appearance, and excellent mouthfeel, particularly as compared with the control and the other comparative suspension aid systems.
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006275460A AU2006275460A1 (en) | 2005-08-01 | 2006-07-31 | Low-sediment acidic protein beverages |
BRPI0614198-6A BRPI0614198A2 (en) | 2005-08-01 | 2006-07-31 | liquid composition |
CA002616391A CA2616391A1 (en) | 2005-08-01 | 2006-07-31 | Low-sediment acidic protein beverages |
JP2008525106A JP2009502200A (en) | 2005-08-01 | 2006-07-31 | Low sedimentation acidic protein beverage |
NO20080539A NO20080539L (en) | 2005-08-01 | 2008-01-29 | Sour protein rich drink with little precipitate |
Applications Claiming Priority (4)
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US11/194,810 US20070026124A1 (en) | 2005-08-01 | 2005-08-01 | Low-sediment acidic protein beverages |
US11/194,811 | 2005-08-01 | ||
US11/194,811 US20070026125A1 (en) | 2005-08-01 | 2005-08-01 | Low-sediment acidic protein beverages |
US11/194,810 | 2005-08-01 |
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WO2007016547A2 true WO2007016547A2 (en) | 2007-02-08 |
WO2007016547A3 WO2007016547A3 (en) | 2007-09-20 |
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PCT/US2006/029888 WO2007016547A2 (en) | 2005-08-01 | 2006-07-31 | Low-sediment acidic protein beverages |
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JP (1) | JP2009502200A (en) |
KR (1) | KR20090004838A (en) |
AU (1) | AU2006275460A1 (en) |
BR (1) | BRPI0614198A2 (en) |
CA (1) | CA2616391A1 (en) |
NO (1) | NO20080539L (en) |
RU (1) | RU2008107940A (en) |
WO (1) | WO2007016547A2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2031987A2 (en) * | 2006-06-22 | 2009-03-11 | Phillip Henry Jackson | Acidified protein beverages containing suspended particulates and methods of making same |
WO2010007483A1 (en) * | 2008-07-15 | 2010-01-21 | C P Kelco U.S., Inc. | Batcterial cellulose-containing formulations lacking a carboxymethyl cellulose component |
WO2010129788A3 (en) * | 2009-05-08 | 2011-02-24 | Dow Global Technologies Inc. | Uses of cationic hydroxythylcellulose in oral ingestion forms, and prevention and treatment of metabolic disorders |
WO2011088941A1 (en) * | 2010-01-22 | 2011-07-28 | Unilever Nv | Process for producing a heat-treated soy protein-containing acidic beverage and product obtained thereby |
WO2012017042A1 (en) * | 2010-08-05 | 2012-02-09 | Nestec S.A. | Non-dairy protein beverage products |
WO2012035205A1 (en) * | 2010-09-17 | 2012-03-22 | Upm-Kymmene Corporation | Method for improving the removal of water |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4972043B2 (en) * | 2008-06-27 | 2012-07-11 | キユーピー株式会社 | Low viscosity acidic soy milk drink |
KR101252120B1 (en) * | 2010-10-28 | 2013-04-12 | 하이트진로 주식회사 | Method for inhibiting precipitation of alcoholic liquors using arabic gum |
JP6645772B2 (en) * | 2015-08-28 | 2020-02-14 | 三栄源エフ・エフ・アイ株式会社 | Non-sticking agent |
JPWO2017061628A1 (en) * | 2015-10-08 | 2018-07-26 | 三栄源エフ・エフ・アイ株式会社 | Food modifier |
Citations (2)
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US5006360A (en) * | 1988-06-27 | 1991-04-09 | The Procter & Gamble Company | Low calorie fat substitute compositions resistant to laxative side effect |
US6475539B1 (en) * | 1998-05-07 | 2002-11-05 | Abbott Laboratories | Nutritionally complete low pH enteral formula |
-
2006
- 2006-07-31 KR KR1020087005213A patent/KR20090004838A/en not_active Application Discontinuation
- 2006-07-31 WO PCT/US2006/029888 patent/WO2007016547A2/en active Application Filing
- 2006-07-31 AU AU2006275460A patent/AU2006275460A1/en not_active Abandoned
- 2006-07-31 RU RU2008107940/13A patent/RU2008107940A/en unknown
- 2006-07-31 JP JP2008525106A patent/JP2009502200A/en active Pending
- 2006-07-31 CA CA002616391A patent/CA2616391A1/en not_active Abandoned
- 2006-07-31 BR BRPI0614198-6A patent/BRPI0614198A2/en not_active IP Right Cessation
-
2008
- 2008-01-29 NO NO20080539A patent/NO20080539L/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5006360A (en) * | 1988-06-27 | 1991-04-09 | The Procter & Gamble Company | Low calorie fat substitute compositions resistant to laxative side effect |
US5006360B1 (en) * | 1988-06-27 | 1992-04-28 | Low calorie fat substitute compositions resistant to laxative side effect | |
US6475539B1 (en) * | 1998-05-07 | 2002-11-05 | Abbott Laboratories | Nutritionally complete low pH enteral formula |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009540832A (en) * | 2006-06-22 | 2009-11-26 | シーピー・ケルコ・ユーエス・インコーポレーテッド | Acidified protein beverages containing suspended particulates and methods for their production |
EP2031987A4 (en) * | 2006-06-22 | 2010-08-11 | Cp Kelco Us Inc | Acidified protein beverages containing suspended particulates and methods of making same |
EP2031987A2 (en) * | 2006-06-22 | 2009-03-11 | Phillip Henry Jackson | Acidified protein beverages containing suspended particulates and methods of making same |
WO2010007483A1 (en) * | 2008-07-15 | 2010-01-21 | C P Kelco U.S., Inc. | Batcterial cellulose-containing formulations lacking a carboxymethyl cellulose component |
CN102421442A (en) * | 2009-05-08 | 2012-04-18 | 陶氏环球技术有限责任公司 | Uses of cationic hydroxythylcellulose in oral ingestion forms, and prevention and treatment of metabolic disorders |
WO2010129788A3 (en) * | 2009-05-08 | 2011-02-24 | Dow Global Technologies Inc. | Uses of cationic hydroxythylcellulose in oral ingestion forms, and prevention and treatment of metabolic disorders |
CN102711511A (en) * | 2010-01-22 | 2012-10-03 | 荷兰联合利华有限公司 | Process for producing a heat-treated soy protein-containing acidic beverage and product obtained thereby |
WO2011088941A1 (en) * | 2010-01-22 | 2011-07-28 | Unilever Nv | Process for producing a heat-treated soy protein-containing acidic beverage and product obtained thereby |
WO2012017042A1 (en) * | 2010-08-05 | 2012-02-09 | Nestec S.A. | Non-dairy protein beverage products |
AU2011287596B2 (en) * | 2010-08-05 | 2014-11-06 | Société des Produits Nestlé S.A. | Non-dairy protein beverage products |
WO2012035205A1 (en) * | 2010-09-17 | 2012-03-22 | Upm-Kymmene Corporation | Method for improving the removal of water |
CN103189567A (en) * | 2010-09-17 | 2013-07-03 | 芬欧汇川有限公司 | Method for improving the removal of water |
US8764939B2 (en) | 2010-09-17 | 2014-07-01 | Upm-Kymmene Corporation | Method for improving the removal of water |
CN103189567B (en) * | 2010-09-17 | 2015-11-25 | 芬欧汇川有限公司 | Promote the method that water is removed |
Also Published As
Publication number | Publication date |
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KR20090004838A (en) | 2009-01-12 |
AU2006275460A1 (en) | 2007-02-08 |
WO2007016547A3 (en) | 2007-09-20 |
CA2616391A1 (en) | 2007-02-08 |
RU2008107940A (en) | 2009-09-10 |
BRPI0614198A2 (en) | 2011-06-07 |
JP2009502200A (en) | 2009-01-29 |
NO20080539L (en) | 2008-02-22 |
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