WO2007109761A2 - Palatability enhancers for pet food and methods of manufacture - Google Patents
Palatability enhancers for pet food and methods of manufacture Download PDFInfo
- Publication number
- WO2007109761A2 WO2007109761A2 PCT/US2007/064649 US2007064649W WO2007109761A2 WO 2007109761 A2 WO2007109761 A2 WO 2007109761A2 US 2007064649 W US2007064649 W US 2007064649W WO 2007109761 A2 WO2007109761 A2 WO 2007109761A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- palatability
- acid
- meat
- mixture
- composition
- 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
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/40—Feeding-stuffs specially adapted for particular animals for carnivorous animals, e.g. cats or dogs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/116—Heterocyclic compounds
- A23K20/121—Heterocyclic compounds containing oxygen or sulfur as hetero atom
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/30—Shaping or working-up of animal feeding-stuffs by encapsulating; by coating
-
- 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
- A23L27/20—Synthetic spices, flavouring agents or condiments
- A23L27/202—Aliphatic compounds
- A23L27/2022—Aliphatic compounds containing sulfur
-
- 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
- A23L27/20—Synthetic spices, flavouring agents or condiments
- A23L27/205—Heterocyclic compounds
- A23L27/2052—Heterocyclic compounds having oxygen or sulfur as the only hetero atoms
-
- 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
- A23L27/20—Synthetic spices, flavouring agents or condiments
- A23L27/205—Heterocyclic compounds
- A23L27/2054—Heterocyclic compounds having nitrogen as the only hetero atom
-
- 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
- A23L27/20—Synthetic spices, flavouring agents or condiments
- A23L27/26—Meat flavours
-
- 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
Definitions
- This invention is directed to a palatability enhancer for pet food and a method of its manufacture. Particularly, this invention relates to a palatability enhancer providing a savory flavor such as meat. More particularly, this invention relates to a process for improving the palatability of pet foods of either low or high moisture content by enhancing the flavor to increase its acceptability to cats and dogs.
- dry pet food includes foods having a low moisture content.
- dry pet food may contain less than about 20% moisture so that the free water content is generally not sufficient to support the growth of microorganisms.
- High moisture content pet food is intended to include the semi-moist and canned types of foods. The invention is applicable to all types, but is particularly significant with dry foods which often are least appealing to domestic animals.
- Palatability of dry pet foods may also be enhanced by the application of flavors.
- flavors are described in U.S. Pat. No. 5,186,964 as meat and cheese flavorings.
- a method for producing a palatability enhancer for a companion animal food product includes combining at least one aroma chemical selected from 2-methylfuran, 2-methylpyrrole, 2-methyl-thiophene and dimethyl disulfide with an animal or vegetarian digest composition.
- the method further includes (a) combining at least one reducing sugar with said at least one aroma chemical and said digest composition to form a mixture; and (b) heating the mixture to initiate a reaction process.
- the mixture further includes at least one reducing sugar is selected from xylose, rhamnose, glucose, fructose, and ribose.
- An additional embodiment includes adding at least one sulfur-containing compound selected from cysteine, cystine, glutathione, methionine, thiamine, sodium sulfide, and ammonium sulfide to the mixture.
- the aroma chemical is added to the mixture prior to or following heating.
- the mixture is heated to between about 60° and about 180 0 C.
- mixture is heated to between about 90 0 C and about 130 0 C.
- the mixture is heated for a period of about 1 minute to about 4 days.
- the reaction process is performed at a pH of between 2.5 and 10.
- the reaction process is performed at a pH of between 6 and 9.
- the method further includes applying the palatability enhancer to a pork base, a chicken base, a vegetable base, a fish base, or a mixture thereof.
- the animal digest composition includes viscera selected from pork viscera, chicken viscera, and a combination thereof.
- An additional embodiment further includes combining the palatability enhancer with a basal composition containing organosulfite salts formed by contacting unsaturated fatty acids that oxidize to form aldehydes or ketones in the basal composition with a source of bisulfite anions.
- the method further includes extruding the palatability enhancer with a basal composition to form a dry or semi-dry kibble.
- Another embodiment includes applying the palatability enhancer to the surface of a kibble after the kibble is extruded.
- Also provided is a method for improving the palatability of a cooked moist companion animal food product wherein the food product is contacted with the palatability enhancer.
- the palatability enhancer is contacted with said food product prior to cooking.
- the food product includes an additional palatability enhancing composition.
- the additional palatability enhancing composition includes a palatability enhancing quantity of one or more compounds selected from pyrophosphoric acid, polyphosphoric acid salts, phosphoric acid, phosphoric acid salts, acid tripolyphosphate, tripolyphosphate salts, acid hexapolyphosphate, hexapolyphosphate salts, citric acid, citric acid salts, tartaric acid, tartaric acid salts, fumaric acid, fumaric acid salts, lactic acid, lactic acid salts, acetic acid, acetic acid salts, formic acid, formic acid salts, hexamic acid and hexamic acid salts.
- the food product includes a food-grade raw meat or meat byproduct.
- the meat or meat by-product is selected from meat and meat by-products derived from beef, pork, sheep, lamb, poultry, duck, tuna, salmon, cod, whitefish and shrimp.
- the food product includes an animal or vegetable fat or oil.
- the method is a batch process. In another embodiment, the method is a continuous process.
- an extruded companion animal food composition containing the palatability enhancer is also provided.
- a moist cooked companion animal food composition containing the palatability enhancer is also provided.
- FIG.l depicts the structures of representative aroma chemicals for use in the present invention.
- the present invention is directed to a method for producing and the resultant palatability enhancer, which provides an enhanced meaty flavor to dry or high moisture content animal feed.
- the prevailing measurement of pet food flavor performance in the pet food industry is a two bowl, free choice methodology based on individual animal feed intake ratio with a minimum of 20 animals (dogs or cats) per test for two day duration as described in Palatability Testing: Two- Part Tests, Methods and Data Analysis Techniques; Griffin, R., September/October Pet Food Industry, 1996.
- the complexities associated with the food evaluation process can be reduced by dealing fundamentally with the behavior of the animals. Specifically, it is assumed that the greater the food intake, the more palatable the food is. Such an assumption allows conclusions or inferences to be made about the animal's cognitive evaluation of the food.
- the present invention involves combining at least one aroma chemical with an animal or vegetarian digest composition to generate a flavorant that can significantly improve the palatability performance of pet foods.
- the aroma chemical and digest composition can be further combined with at least one reducing sugar to form a mixture, which is then heated to initiate a reaction process for producing the flavorant.
- the mixture may further contain at least one sulfur-containing compound.
- the methods of the present invention are typically carried out in a batch or a continuous process.
- the methods of the present invention are typically carried out at elevated temperatures.
- the range of reaction temperatures is generally from about 60 to about 180 0 C, preferably about 90 0 C to about 130 0 C, under a pressure in the range of about 100 to about 280 Kpa.
- the reaction process is typically conducted at a pH between 2.5 and 10, preferably at a pH between 6 and 9.
- the reaction can take place over any suitable period of time, such as, for example, 1 minute to several days. Ten minutes to 5 hours is a typical reaction time. More specifically, the time of the reaction is often more dependant on the amount of time it takes to heat up the mixture to the desired final temperature and the time it takes to cool the reaction down sufficiently to terminate reactive mechanisms. However, the reaction time is recognized to impact on what reaction products are obtained.
- the digest can be an animal digest or a vegetarian digest.
- Preferred animal digest compositions contain viscera, such as offal from pigs, chickens, cattle, lamb, or fish. Preferred viscera includes poultry heart.
- the animal digest composition may further contain non-visceral tissues, such as liver.
- Preferred sulfur-containing compounds include cysteine, cystine, glutathione, methionine, thiamine, sodium sulfide, and ammonium sulfide.
- any sulfur- containing compounds could be used in the process provided that the desired reaction products are obtained.
- a typical amount of the sulfur-containing compound is from about 0.1 to about 10%, preferably from about 0.2 to about 2% by weight of the animal digest.
- Suitable reducing sugars include xylose, rhamnose, glucose, fructose, and ribose.
- a typical amount of the reducing sugar is from about 0.1 to about 20%, preferably from about 1 to about 10% by weight of the animal digest.
- the method includes adding an aroma chemical selected from 2-methylfuran, dimethyl disulfide, 2-methylthiophene, 2-methylpyrrole or a combination thereof to the animal digest composition prior to heating the composition.
- 2-methylfuran, dimethyl disulfide, 2-methylthiophene, 2-methylpyrrole or a combination thereof may be added to the composition after heating.
- a typical amount of the aroma chemical is from about 5 parts-per-billion (ppb) to about 500 parts-per-million (ppm), preferably from about 20 ppb to about 300 ppm based upon the weight of the animal digest.
- a preferred amount of 2-methylfuran is from about 2 to about 1000 ppm.
- a preferred amount of 2- methylthiophene is from about 0.2 to about 1000 ppm.
- a preferred amount of dimethyl disulfide is from about 0.2 to about 1000 ppm.
- the palatability enhancers produced by the above-discussed methods can be used in the produced form or can be blended with other ingredients to form a blended flavor.
- the palatability enhancers may also be combined with an additional palatability enhancing composition containing a palatability enhancing quantity of one or more compounds, such as pyrophosphoric acid, polyphosphoric acid salts, phosphoric acid, phosphoric acid salts, acid tripolyphosphate, tripolyphosphate salts, acid hexapolyphosphate, hexapolyphosphate salts, citric acid, citric acid salts, tartaric acid, tartaric acid salts, fumaric acid, fumaric acid salts, lactic acid, lactic acid salts, acetic acid, acetic acid salts, formic acid, formic acid salts, hexamic acid or hexamic acid salts.
- a palatability enhancing quantity of one or more compounds such as pyrophosphoric acid, polyphosphoric acid salts, phosphoric acid
- Methods according to the present invention also include adding the palatability enhancer to a basal composition containing organosulfite salts, which were formed by contacting unsaturated fatty acids that oxidize to form aldehydes or ketones in the basal composition with a source of bisulfite anions.
- organosulfite salts which were formed by contacting unsaturated fatty acids that oxidize to form aldehydes or ketones in the basal composition with a source of bisulfite anions.
- the present invention also includes methods of preparing dry or semi-dry kibble and moist cooked companion animal foods containing the palatability enhancer prepared as disclosed above.
- Compositions containing the palatability enhancer, such as dry or semi-dry kibble and moist cooked companion animal foods containing the palatability enhancer are also provided.
- dry and semi-dry companion animal foods generally relate to a nutritionally balanced mixture of proteinaceous and farinaceous materials having moisture contents of about 50% or less by weight.
- Moist companion animal food products generally relate to a nutritionally balanced mixture of proteinaceous and farinaceous materials having moisture contents above 50% by weight.
- the proteinaceous and farinaceous materials are typically formed into a solid mass with a hydrocolloid such as gelatin.
- the meat in moist food products can be supplied by chunks of actual meat or by re-formed emulsified meat and meat by-products.
- Moist companion animal food may also optionally include a gravy component prepared from hydrocolloids and flavorings.
- the companion animal food compositions described herein are not intended to be limited to a specific listing of ingredients because such ingredients will depend on such factors as, for example, the desired nutritional balance for the specific type of companion animal, and availability of ingredients to the manufacturer.
- the companion animal food composition may include vitamins, minerals, and other additives such as flavorings, preservatives, emulsifiers and humectants.
- the nutritional balance including the relative proportions of vitamins, minerals, fat, protein and carbohydrate, is determined according to dietary standards known in the veterinary art. For example, the nutritional balance of a cat food composition is determined according to the known dietary requirements for cats.
- Suitable proteinaceous material may include any material having a protein content of at least about 15% by weight including vegetable proteins such as soybean, cotton seed, and peanut; animal proteins such as casein, albumin, and fresh animal tissue including fresh meat tissue and fresh fish tissue; and dried or rendered meals such as fish meal, poultry meal, meat meal, bone meal and the like.
- vegetable proteins such as soybean, cotton seed, and peanut
- animal proteins such as casein, albumin, and fresh animal tissue including fresh meat tissue and fresh fish tissue
- dried or rendered meals such as fish meal, poultry meal, meat meal, bone meal and the like.
- suitable proteinaceous materials include wheat gluten or corn gluten, and microbial proteins such as yeast.
- Suitable farinaceous material may comprise any material having a protein content of less than about 15% by weight and containing a substantial proportion of starches or carbohydrates, including grains such as corn, milo, alfalfa, wheat, barley, rice, soy hulls, and other grains having low protein content.
- starches or carbohydrates including grains such as corn, milo, alfalfa, wheat, barley, rice, soy hulls, and other grains having low protein content.
- other materials such as whey and other dairy by-products, as well as other carbohydrates may be added.
- known flavorings including, for example, corn syrup or molasses, may be added.
- companion animal food product as used herein apply to commercially sold, nutritionally balanced compositions that are intended to provide substantially the sole diet for companion animals.
- such compositions may be described as having minimum protein contents at which companion animal health is maintained.
- the minimum protein content of the food varies according to the age and breeding status for the animal.
- a nutritionally balanced cat food composition for breeding females and kittens requires a minimum protein content of at least about 28% by weight on a dry matter basis.
- a nutritionally balanced cat food composition for non-breeding and adult cats requires a minimum protein content of about 26% by weight on a dry matter basis.
- the protein content of commercially available cat food compositions for adult, non-breeding cats is about 30% by weight on a dry matter basis, to insure that the food meets the nutritional requirements of any cat.
- vitamins and minerals are added according to known American Association of Feed Control Officials (AAFCO) guidelines.
- AAFCO profiles include calcium carbonate, potassium chloride, sodium chloride, choline chloride, taurine, zinc oxide, ferrous sulfate, vitamin E, vitamin A, vitamin B 12, vitamin D3, riboflavin, niacin, calcium pantothenate, biotin, thiamine mononitrate, copper sulfate, folic acid, and pyroxidine.
- Dry and semi-dry companion animal foods may be prepared by a variety of methods.
- One such method that is widely used on commercial basis is the cooker-extruder method.
- dry ingredients are first blended together to form an admixture.
- This admixture is transferred into a steam conditioner where it is sufficiently moistened to become extrudable.
- the admixture then enters a cooker/extruder where it is cooked at an elevated temperature and pressure for a short period of time and then forced out of the apparatus through a die. This die forms the extruded product into a specific shape.
- Individual pieces of product are created by periodically slicing off the end of the extruded stream of product.
- the individual pieces, or kibbles are then dried in a hot air dryer.
- the product is dried until it contains less than about 15 percent moisture, and preferably about 5 to 12 percent moisture.
- the resulting pebbles or kibbles constitute the food composition.
- the dried particles or pieces are then transferred by bulk conveyor to a coating drum and sprayed with animal fat.
- Other liquids such as, for example, citric acid or phosphoric acid may alternatively be applied to the pieces, or applied with or in addition to the animal fat, during or after which a coating of the palatability enhancer is typically applied.
- the coating need not be a continuous layer, but preferably is uniform. After the fat cools, if not included with the fat coating, the palatability enhancer may be applied as either a dry power or a liquid, or both, while the product is mixing.
- a liquid palatability enhancer is typically sprayed on while a dry palatability enhancer is typically dusted on, preferably through a mesh screen to make the application more uniform on the particles or pieces.
- a palatability enhancer can be mixed with the fat and applied concurrently. Note that multiple coatings may be applied to achieve uniformity of the coating.
- the palatability enhancer may be contacted with the livestock feed or companion animal food ingredients before extrusion by adding dry palatability enhancer to the ingredients during blending or steam conditioning, or adding aqueous palatability enhancer solution to the cooker/extruder.
- Aqueous palatability enhancer solution may also be applied to the extruded particles or pieces.
- Moist companion animal food products that are gravy based are prepared by grinding meat, meat mimetics or meat by-products and then forming the ground mixture via low pressure extrusion through a steaming tunnel where it is cooked. Starch and binders are then added, after which the mixture is cut into pieces, mixed with water or gravy, sealed in cans and cooked in a hydrostat, continuous retort or rotary steritort
- Moist companion animal food products that are not gravy based are prepared by macerating meat, meat mimetics or meat by-products and re-forming the macerated materials with water, starch and binders. The mixture is then sealed in cans and cooked in a hydrostat, continuous retort or rotary steritort.
- Semi-moist products are prepared by macerating and mixing meat, meat by-products or meat mimetics, precooking the mixture, and then mixing the product with humectants such as glycerol, polysorbate, tween, and spans to hold water. The resulting mixture can be formed and put into a can or pouch for retorting or press-formed and cooked or retorted in a pouch.
- meat and meat by-products are defined as including meat and meat by-products from animal species and fish species.
- animal meat and meat by-products for which palatability can be improved by the method of the present invention include, but are not limited meat and meat by-products derived from beef, pork, sheep or lamb, poultry, duck, and the like.
- fish products and fish byproducts that can be used include, but are not limited to, products and by-products derived from tuna, salmon, cod, whitefish, shrimp, and the like.
- Examples of unsaturated animal fats and oils and vegetable oils for which palatability can be improved by the present invention include animal fats such as tallow, chicken fat and lard and vegetable oils such as canola oil, sunflower oil, safflower oil, cotton seed oil, canola oil, linseed oil, soybean oil, olive oil, corn oil, and the like, and byproducts thereof.
- animal oils include marine oils and byproducts thereof, such as marine oils from sources such as menhaden, herring, mackerel, caplan, tilapia, tuna, sardine, Pacific saury, krill, salmon, anchovy, skate, whale, seal, crab, shrimp, lobster, eel, mollusk, and the like.
- Vegetable oils also include oils derived from marine vegetation such as algae, kelp and the like.
- the methods and compositions of the present invention optionally include one or more additional palatability enhancing compounds, examples of which include pyrophosphoric acid and the sodium, potassium, calcium and magnesium salts thereof, phosphoric acid and the sodium, potassium, calcium and magnesium salts thereof, sodium, potassium, calcium and magnesium tripoly-phosphate salts, potassium, calcium and magnesium hexapolyphosphate salts, or organic acids such as citric, tartaric, fumaric, lactic, acetic, formic and hexamic acids and the sodium, potassium, calcium and magnesium salts thereof, and the like.
- additional palatability enhancing compounds examples of which include pyrophosphoric acid and the sodium, potassium, calcium and magnesium salts thereof, phosphoric acid and the sodium, potassium, calcium and magnesium salts thereof, sodium, potassium, calcium and magnesium tripoly-phosphate salts, potassium, calcium and magnesium hexapolyphosphate salts, or organic acids such as citric, tartaric, fumaric, lactic, acetic, formic and hexamic
- Moist companion animal food compositions are also included that have been contacted with a palatability enhancer, preferably prior to cooking.
- Preferred products are contacted with a palatability enhancer by contacting raw materials before such raw materials are added to the food product.
- the palatability enhancers of the present invention contain from about 0.1% to 80% by weight of one or more palatability enhancing compounds, examples of which are listed above. Palatability enhancing compound levels between about 5 and about 50% by weight are preferred, with levels between about 10 and about 35% by weight more preferred, and levels between about 15 and about 30% by weight even more preferred.
- the palatability enhancers are formulated and applied so that the one or more palatability enhancing compounds constitute from about 0.01 to about 500 ppm by weight of the finished pet food product.
- the palatability enhancers are formulated so that the one or more palatability enhancing compounds constitute from about 0.1 ppm to about 0.05% by weight of the finished pet food product, more preferably between about 1 to about 100 ppm by weight, and even more preferably between about 2 and about 40 ppm.
- palatability enhancers containing from about 5 to about 99 wt.% of one or more products or by-products selected from the above described meat products, meat by-products, meat mimetics, dairy products and dairy by-products.
- dairy products and dairy byproducts that can be used include, but are not limited to, products and by-products derived from cheese, milk protein, whey, and the like.
- Preferred products and by-products that may be present alone or in combination include products and by-products of beef and poultry. Fish products and by-products are also preferred. A product or by-product level between about 20 and about 70 wt.% is preferred.
- palatability enhancers containing from about 0.01 to about 60 wt.% of one or more amino acids.
- amino acids that can be used include, but are not limited to, alanine, glycine, cysteine, and the like.
- Preferred amino acids that may be present alone or in combination include glycine, L-alanine, and the like.
- An amino acid level between about 0.1 and about 4.0 wt.% is preferred.
- microbial proteins examples include, but are not limited to, brewer's yeast, baker's yeast, and the like.
- examples of vegetable proteins that can be used include, but are not limited to, corn gluten, soy protein, soy flour, hydrolyzed vegetable protein (HVP), and the like. Microbial or vegetable protein levels from about 10 to about 40 wt.% are preferred.
- palatability enhancers containing from about 0.01 to about 50 wt.% of one or more carbohydrates.
- carbohydrates include, but are not limited to, glucose, xylose, fructose, starch hydrolysates, and the like.
- a carbohydrate level between about 10 and about 30 wt.% is preferred.
- One example of a preferred formulation has a solids content of from about 10 to about 40 wt.% of one or more palatability enhancing compounds; about 30 to about 60 wt.% of one or more products or by-products selected from animal products, animal by-products, fish products, fish by-products, dairy products and dairy by-products; from about 25 to about 35 wt.% of one or more sources of microbial proteins; from about 1 to about 9 wt.% by weight bisulfite; from about 0.1 to about 1.0 wt.% of one or more anti-oxidants; from about 2 to about 4 wt.% of one or more amino acids; and from about 0.5 to about 60 wt% of one or more carbohydrates.
- Dry formulations have a solids content of about 96 wt%.
- Liquid formulations may be diluted to a total solids content as low as about 10 wt% with water and preferably to a solids content no more than about 50 wt% to obtain a viscosity and rheology suitable for spray application.
- the water content may also be supplied by moisture-containing or liquid components such as aqueous bisulfite solutions, the amounts of which are selected by well-known techniques to maintain the solids content of the product.
- Liquid formulations according to the present invention have a pH between about 2 and about 9.
- Preferred liquid formulations have a pH between about 2 and about 3.
- a formula for a palatability enhancer derived from chicken byproducts according to the present invention is as follows: 10 to 90% by weight chicken byproducts digest; 2 to 15% by weight phosphoric acid, 75%;
- liquid palatability enhancer formulation for example, commercially available liquid ingredients are combined in a mixer. Wet ingredients are ground or emulsified to a slurry and the liquid ingredients are combined therewith. A commercially available protease may be added to the slurry to hydrolyze proteins, and later inactivated with heat, acid or another method. Preservatives such as sorbic acid can also be added. Water is added to adjust the viscosity and the solids content of the slurry to facilitate spray application. The wet palatability enhancer is sprayed onto the product so as to achieve a uniform coating and permitted to dry.
- a dry formulation of the palatability enhancer is prepared according to one embodiment of the present invention, by combining commercially available dry ingredients, including the palatability enhancing compound, dry metabisulfite, amino acids, inorganic salts and organic materials in the desired proportions in a batch mixer and blending to homogeneity prior to drying.
- wet and dry ingredients are combined by mixing the wet ingredients with all or some of the dry ingredients in a mixer until a homogenous mixture is formed.
- the mixture is dried by evaporation or lyophilization, for example, to form a dry, powdery product that is then blended with any remaining dry ingredients in a tumbler until a homogeneous mixture is formed.
- Example 1 Preparation of a Chicken Byproducts-Derived Palatability Enhancer
- a reaction mixture of chicken byproducts digest, xylose solution, 1-cysteine hydrochloride, and thiamine was prepared using the following amounts:
- the pH of the mixture was adjusted to 8 using the sodium hydroxide solution.
- reaction mixture was then steam heated to a temperature between 90 0 C and 100 0 C to initiate the reaction. Steam contributed to the formula weight in the form of condensed expansion water. The reaction mixture was held at the target temperature for 90 minutes for the development of desirable meaty aromas. The resulting palatability enhancer was preserved using the formulated amounts of phosphoric acid, sorbic acid solution, and the mixed tocopherols.
- a commercially-available standard dry dog food (Crosswind Industries, Kansas) was coated with 2% (wt/wt) of the palatability enhancer prepared according to Example 1.
- the standard dry dog food was coated with 2% (wt/wt) of a commercial palatability enhancer derived from poultry liver.
- a panel of approximately 20 dogs was presented with the two formulations in a standard two-bowl, two-day, free choice method. The consumption by the subject dogs was at parity for the two formulations.
- a commercially-available standard dry dog food (Crosswind Industries, Kansas) was coated with 2% (wt/wt) of the chicken byproducts digest used as the starting material for preparing the palatability enhancer described in Example 1.
- the standard dry dog food was coated with 2% (wt/wt) of a commercial palatability enhancer derived from poultry liver.
- the palatability testing was conducted as described in Example 2.
- the subject dogs preferred the liver-derived control flavor to the byproducts digest with a consumption ratio of about 2.8 to 1 and a first-choice ratio of about 5.3 to 1.
- a commercially-available standard dry dog food (Crosswind Industries, Kansas) was coated with 2% (wt/wt) of the palatability enhancer prepared according to Example 1, which had been spiked with 2 ppm 2-methyl furan.
- the standard dry dog food was coated with 2% (wt/wt) of a commercial palatability enhancer derived from poultry liver.
- Example 2 The palatability testing was conducted as described in Example 2.
- the subject dogs preferred the 2-methyl furan/byproducts-derived flavor with a consumption ratio of about 1.7 to 1 and a first choice ratio of about 2 to 1.
- a commercially-available standard dry dog food (Crosswind Industries, Kansas) was coated with 2% (wt/wt) of the palatability enhancer prepared according to Example 1, which had been spiked with 0.02 ppm 2-methyl furan.
- the standard dry dog food was coated with 2% (wt/wt) of a commercial palatability enhancer derived from poultry liver.
- Example 2 The palatability testing was conducted as described in Example 2.
- the subject dogs again preferred the 2-methyl furan/byproducts-derived flavor with a consumption ratio of about 1.4 to 1 and a first choice ratio of about 2 to 1.
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2007227343A AU2007227343A1 (en) | 2006-03-22 | 2007-03-22 | Palatability enhancers for pet food and methods of manufacture |
EP07759128A EP1996973A4 (en) | 2006-03-22 | 2007-03-22 | Palatability enhancers for pet food and methods of manufacture |
CA002646992A CA2646992A1 (en) | 2006-03-22 | 2007-03-22 | Palatability enhancers for pet food and methods of manufacture |
MX2008011950A MX2008011950A (en) | 2006-03-22 | 2007-03-22 | Palatability enhancers for pet food and methods of manufacture. |
BRPI0708995-3A BRPI0708995A2 (en) | 2006-03-22 | 2007-03-22 | feed palatability enhancer and its manufacturing processes |
JP2009501734A JP2009529922A (en) | 2006-03-22 | 2007-03-22 | Taste improver for pet food and method for producing the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US78477806P | 2006-03-22 | 2006-03-22 | |
US60/784,778 | 2006-03-22 | ||
US63949307A | 2007-03-21 | 2007-03-21 | |
US11/639,493 | 2007-03-21 |
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WO2007109761A2 true WO2007109761A2 (en) | 2007-09-27 |
WO2007109761A3 WO2007109761A3 (en) | 2008-12-04 |
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PCT/US2007/064649 WO2007109761A2 (en) | 2006-03-22 | 2007-03-22 | Palatability enhancers for pet food and methods of manufacture |
Country Status (6)
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EP (1) | EP1996973A4 (en) |
AU (1) | AU2007227343A1 (en) |
BR (1) | BRPI0708995A2 (en) |
CA (1) | CA2646992A1 (en) |
MX (1) | MX2008011950A (en) |
WO (1) | WO2007109761A2 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100303968A1 (en) * | 2009-05-28 | 2010-12-02 | Gregory Dean Sunvold | Pet Food in the Form of a Coated Kibble |
US20100303967A1 (en) * | 2009-05-28 | 2010-12-02 | Gregory Dean Sunvold | Pet Food Having Improved Animal Preference |
CN102894193A (en) * | 2012-11-07 | 2013-01-30 | 成都大帝汉克生物科技有限公司 | Preparation method of natural pet flavoring agent |
WO2015091276A1 (en) * | 2013-12-18 | 2015-06-25 | Specialites Pet Food | Palatability enhancers for pet food, method of preparation and uses thereof |
WO2018229124A1 (en) * | 2017-06-15 | 2018-12-20 | Specialites Pet Food | Vegetarian dog palatability-enhancers |
US10470481B2 (en) | 2012-12-19 | 2019-11-12 | Colgate-Palmolive Company | Palatability enhancer |
US10561162B2 (en) | 2013-11-22 | 2020-02-18 | Colgate-Palmolive Company | Method of preparing palatability enhancer |
WO2021087309A1 (en) * | 2019-10-31 | 2021-05-06 | Mars, Incorporated | Food bowl kit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6235031B2 (en) * | 2012-10-31 | 2017-11-22 | マース インコーポレーテッドMars Incorporated | Flavor additive |
JP6891188B2 (en) * | 2016-03-02 | 2021-06-18 | スペスィアリテ、ペット、フードSpecialites Pet Food | Preference catkibble containing specific fat fraction |
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EP0770686A1 (en) * | 1995-10-25 | 1997-05-02 | Societe Des Produits Nestle S.A. | Process for the production of thiols |
EP1008305A1 (en) * | 1998-12-10 | 2000-06-14 | Societe Des Produits Nestle S.A. | An aroma product comprising saturated C16 and C18 monoglycerides |
US6660319B1 (en) * | 1999-03-04 | 2003-12-09 | Bioproducts, Inc. | Flavors for pet food and method of manufacture |
US6479677B1 (en) * | 2000-10-26 | 2002-11-12 | Pure Energy Corporation | Processes for the preparation of 2-methylfuran and 2-methyltetrahydrofuran |
-
2007
- 2007-03-22 BR BRPI0708995-3A patent/BRPI0708995A2/en not_active IP Right Cessation
- 2007-03-22 MX MX2008011950A patent/MX2008011950A/en not_active Application Discontinuation
- 2007-03-22 EP EP07759128A patent/EP1996973A4/en not_active Withdrawn
- 2007-03-22 AU AU2007227343A patent/AU2007227343A1/en not_active Abandoned
- 2007-03-22 CA CA002646992A patent/CA2646992A1/en not_active Abandoned
- 2007-03-22 WO PCT/US2007/064649 patent/WO2007109761A2/en active Application Filing
Patent Citations (3)
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US4045587A (en) | 1970-01-13 | 1977-08-30 | International Flavors & Fragrances Inc. | Foodstuff flavoring methods and compositions |
US3892878A (en) | 1973-04-25 | 1975-07-01 | Int Flavors & Fragrances Inc | Flavoring with sulfur containing compounds |
US5039543A (en) | 1990-11-16 | 1991-08-13 | Nestec S.A. | Preparation of flavors |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100303967A1 (en) * | 2009-05-28 | 2010-12-02 | Gregory Dean Sunvold | Pet Food Having Improved Animal Preference |
US20100303968A1 (en) * | 2009-05-28 | 2010-12-02 | Gregory Dean Sunvold | Pet Food in the Form of a Coated Kibble |
CN102894193A (en) * | 2012-11-07 | 2013-01-30 | 成都大帝汉克生物科技有限公司 | Preparation method of natural pet flavoring agent |
US10470481B2 (en) | 2012-12-19 | 2019-11-12 | Colgate-Palmolive Company | Palatability enhancer |
US10561162B2 (en) | 2013-11-22 | 2020-02-18 | Colgate-Palmolive Company | Method of preparing palatability enhancer |
WO2015091276A1 (en) * | 2013-12-18 | 2015-06-25 | Specialites Pet Food | Palatability enhancers for pet food, method of preparation and uses thereof |
RU2676726C1 (en) * | 2013-12-18 | 2019-01-10 | Спесиалите Пет Фуд | Palatability enhancers for pet food, method of preparation and uses thereof |
AU2014365050B2 (en) * | 2013-12-18 | 2018-10-04 | Specialites Pet Food | Palatability enhancers for pet food, method of preparation and uses thereof |
CN105828634A (en) * | 2013-12-18 | 2016-08-03 | 特种宠物食品公司 | Palatability enhancers for pet food, method of preparation and uses thereof |
WO2018229124A1 (en) * | 2017-06-15 | 2018-12-20 | Specialites Pet Food | Vegetarian dog palatability-enhancers |
CN110996679A (en) * | 2017-06-15 | 2020-04-10 | 特种宠物食品公司 | Vegetarian dog palatability enhancer |
WO2021087309A1 (en) * | 2019-10-31 | 2021-05-06 | Mars, Incorporated | Food bowl kit |
CN114727586A (en) * | 2019-10-31 | 2022-07-08 | 马斯公司 | Food bowl set |
CN114727586B (en) * | 2019-10-31 | 2024-01-23 | 马斯公司 | Food bowl set |
Also Published As
Publication number | Publication date |
---|---|
WO2007109761A3 (en) | 2008-12-04 |
MX2008011950A (en) | 2008-11-27 |
EP1996973A2 (en) | 2008-12-03 |
BRPI0708995A2 (en) | 2011-06-21 |
EP1996973A4 (en) | 2009-07-01 |
AU2007227343A1 (en) | 2007-09-27 |
CA2646992A1 (en) | 2007-09-27 |
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