IL95877A - Use in cheese making of milk from animals supplemented with amino acids - Google Patents
Use in cheese making of milk from animals supplemented with amino acidsInfo
- Publication number
- IL95877A IL95877A IL9587790A IL9587790A IL95877A IL 95877 A IL95877 A IL 95877A IL 9587790 A IL9587790 A IL 9587790A IL 9587790 A IL9587790 A IL 9587790A IL 95877 A IL95877 A IL 95877A
- Authority
- IL
- Israel
- Prior art keywords
- milk
- amino acids
- cheese
- protective layer
- copolymer
- Prior art date
Links
Classifications
-
- 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; PREPARATION THEREOF
- A23C19/00—Cheese; Cheese preparations; Making thereof
- A23C19/02—Making cheese curd
-
- 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
- A23K40/35—Making capsules specially adapted for ruminants
-
- 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
- A23K50/10—Feeding-stuffs specially adapted for particular animals for ruminants
Landscapes
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Birds (AREA)
- Animal Husbandry (AREA)
- Feed For Specific Animals (AREA)
- Fodder In General (AREA)
- Dairy Products (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The present invention relates to the use, in cheese-making, of milk from animals having received a feed supplemented with amino acids in protected form.
Description
ι ηκ nisBin Ί i? TOD in© USE IN CHEESE MAKING OF MILK FROM'-' ANIMALS SUPPLEMENTED WITH AMINO ACIDS The present invention relates to the use, in the preparation of cheese, of milk from animals which have received feed supplemented with protected amino acids.
It is known to supplement the feed of cows by adding to their basic food a supplement based on essential amino acids, which are principally lysine and methionine. These essential amino acids, also known as limiting amino acids, are not synthesized in sufficient quantity by the cow from its daily food. The fermentation of foodstuffs in the rumen by digestive enzymes causes the formation of proteins known as "microbial " because they result from the action of microbes situated in the rumen. These proteins, as well as those which have passed through the rumen, are digested in the intestine of ruminants and provide the necessary amino acids in the quality and^quantity necessary for the maintenance of the ruminants and the production of milk. During lactation, the mammary gland absorbs the greatest part (80 to 90%) of the natural resources of amino acids, and requires a supplement of limiting amino acids.
Increasing milk production by adding, to the conventional feed of ruminants, supplements based on tanned proteins or protected amino acids has been tried.
This addition of protected amino acids, optionally of lysine and/or of methionine, produces an increase in the level of proteins in cows1 milk.
It has now been discovered, surprisingly, that the milk from animals which have received a supplement of protected amino acids, preferably lysine and/or methionine, has completely unexpected cheese-making capabilities.
Such milk shows an appreciable increase in yield of the quantity of curd produced per litre of milk compared with a cow which has received no supplement. In addition the cheese has increased solidity.
The feeding of protected amino acids can be carried out using amino acids protected by a polymer which is resistant to the pH conditions of the rumen and which is liberated in the abomasum and/or the intestine.
Suitable polymers include mixtures of basic amino copolymers with a hydrophobic substance the melting point of which is greater than 60 *C and/or a copolymer insoluble in water.
The basic amino copolymer is preferably a copolymer based on styrene and vinylpyridine.
The hydrophobic substance having a melting point greater than 60 *C is preferably stearic acid.
The copolymer insoluble in water is preferably ethylcellulose .
The amino acid can also be protected using a zein-based copolymer and a hydrophobic substance the melting point of which is greater than 60 *C and/or a copolymer insoluble in water. The preferred hydrophobic substance and the preferred copolymer insoluble in water are the same as those described above.
All these protected amino acids are described for example in European Patent 188953, French Patents 2401621 » and 2514261, European Patent 260186 and French Patents , 2606597 and 2582909.
They are included in the daily food of the animals at a rate of from 0 to 30 g of methionine and/or 0 to 100 g of lysine per day, the minimum figure for the sum of the two amino acids being at least 5 g per day.
The invention is illustrated in the following Example.
EXAMPLE- The experimental animals were heifers of B to 12 weeks' lactation, the milk production level of which was from 22.5 to 30.5 kg per day.
The basic diet consisted of maize silage ad libitum. It was complemented by an energy-containing concentrate, a nitrogen-containing concentrate (gluten meal) and/or by a "protected amino acids- concentrate , (treatment) or a control concentrate (neither amino acids nor protective product). The concentrates were fed in quantities which were identical for all the heifere and constant throughout the experiment (20 g of methionine base and 48 g of lysine base per day).
These amino acids were fed in the form of a mixture of coated methionine and of coated methionine/ lysine granules having the following composi iona : Methionine/lysine granules! 84 g of nucleus containing . 59.5% lysine. HC1 . 14.5% methionine . 12% talc . 14% binder (95% stearic acid, 5% 2-vinylpyridylstyrene copolymer (65/35)) 16 g of coating containing . 30% 2-vinylpyridylstyrene 65/35 . 10% stearic acid . 60% talc Methionine granules containing: 89 g of nucleus containing . 77.5% methionine . 10% talc . 12.5% binder containing 95% stearic acid and 5% 2-vinylpyrid 18tyrene copolymer (65/35) 11 g of coating containing . 30% 2-vinylpyridylstyrene 65/35 . 10% stearic acid . 60% talc.
The experijnent lasted 16 weeks and was divided into 4 periods of 4 weeks.
Determination of the chemical and technological properties of tha mHlca On Tuesday of the last week of each period, samples of about 1 litre per cow were taken at the morning milking. A mean sample (500 ml per cow) was made up in each period for the 4 cows receiving the same treatment. Sodium penicillin G (200 IU per litre) was added to this milk, which was skimmed for technological teets.
The technological parameters were measured on the skimmed milk during its coagulation at 35°C by the action of rennet (5.2 mg of chymosin per litre) used at a rate of 0.13 mg of chymosin per litre of milk. These measurements were carried out on milk the pH of which was standardized at 6.6 (by the addition of lactic acid) and the mineral balance of which had been reestablished.
The readiness to coagulate is measured using a Formagraph (Foss Electric) and is represented by the incubation time, the time to firming and the consistency of the curd 30 minutes after the addition of rennet. It was measured on milk at the initial pH and at the standardized pH.
The fresh, dry and nitrogen "cheese yields * are determined one hour after adding rennet, by running of the whey, immediately followed by centrifugation.
THE EFFECT OF LYSINE/METHIONINE SUPPLEMENTS ON THE CHEESE-KAKING POTENTIAL OF MILK WITHOUT WITH AMINO ACIDS AMINO ACIE Cheese yields ( ) . fresh 18.4 19.3 . nitrogen 78.2 79.1 . dry matter 43.7 44.6 FORMAGRAPH - at initial pH . incubation time (min) 15.0 15.5 . time to firming (min) 6.8 6.8 . firmness of the curd (mm) 37.5 ' 37.7 . coagulation speed: 2.3 2.3 incubation time/time to firming - at standardized pH . incubation time (min) 13.8 14.5 . time to firming (min) 6.1 6.3 . firmness of the curd (mm) 39.3 40.1 . coagulation speed: 2.3 2.3 incubation time/time to firming THE EFFECT OF LYSINE/METHIONINE SUPPLEMENT NATURE OF THE NITROGEN (MAIZE GLUTEN COMPLEMENT CONTAINING 60% PROTEIN) ON THE CHEESE-MAKING POTENTIAL OF MILK WITHOUT WITH AMINO ACIDS AMINO ACIDS Cheese yields (%) . fresh 17.9 19 . nitrogen 77.8 79 . dry matter 42.6 45.1 FORMAGRAFH - at initial pH . incubation time (min) 15.3 14.8 . time to firming ( in) 7.1 6.8 . firmness of the curd (mm) 36.4 38.2 - at standardized pH . incubation time (min) 13.8 14.4 . time to firming (min) 6.4 6.6 . firmness of the curd (mm) 38.7 39.2
Claims (8)
1. 95877/3 A method of improving the cheese-marking properties of milk from at least one cow which has been fed a diet including a protected amino acid supplement, wherein said protected amino acid supplement comprises a core containing at least one amino acid selected from the group consisting of methionine and lysine, and a protective layer around the core which is substantially resistant to degradation in the rumen of a cow and liberates said at least one amino acid in the abomasum, in the intestine or in both the abomasum and intestine of the cow wherein the protective layer comprises a basic amino polymer.
2. A method according to claim 1 in which the protective layer comprises a basic aminocopolymer and a hydrophobic substance the melting point of which substance is greater than 60 "C and/or a copolymer insoluble in water.
3. A method according to claim 1 in which the protective layer comprises a zein-based copolymer and a hydrophobic substance the melting point of which substance is greater than 60 °C and/or a copolymer insoluble in water.
4. A method according to claim 2 in which the protective layer comprises a styrene vinylpyridine copolymer in association with a hydrophobic substance which is stearic acid and a copolymer insoluble in water which is ethylcellulose.
5. A method according to any one of the preceding claims in which said supplement feed comprises from 0 to 30 g of methionine and from 0 to 100 g of lysine/day in the protected form, the minimum figure for the sum of the two amino acids being at least 5 g/day. 95877/3
6. A method according to claim 1 substantially as hereinbefore described.
7. Cheese made by a method according to any one of claims 1 to 6.
8. Use of cow milk with improved cheese-making properties obtained by the method of claim 1 for making cheese. ATTORNEYS FOR APPLICANTS
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8913184A FR2652721B1 (en) | 1989-10-10 | 1989-10-10 | USE OF CHEESE DAIRY FROM ANIMAL-ACOUSED ANIMALS. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL95877A0 IL95877A0 (en) | 1991-07-18 |
| IL95877A true IL95877A (en) | 1994-10-21 |
Family
ID=9386228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9587790A IL95877A (en) | 1989-10-10 | 1990-10-02 | Use in cheese making of milk from animals supplemented with amino acids |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0423000B1 (en) |
| JP (1) | JPH03139247A (en) |
| KR (1) | KR0131871B1 (en) |
| AT (1) | ATE99882T1 (en) |
| AU (1) | AU638059B2 (en) |
| CA (1) | CA2027181A1 (en) |
| DE (1) | DE69005973T2 (en) |
| DK (1) | DK0423000T3 (en) |
| ES (1) | ES2062453T3 (en) |
| FR (1) | FR2652721B1 (en) |
| IE (1) | IE64733B1 (en) |
| IL (1) | IL95877A (en) |
| NZ (1) | NZ235600A (en) |
| ZA (1) | ZA908074B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2663818B1 (en) * | 1990-06-29 | 1993-07-09 | Rhone Poulenc Nutrition Animale | PROCESS FOR THE PREPARATION OF GRANULES OF ACTIVE PRINCIPLES BY EXTRUSION. |
| GB9502131D0 (en) * | 1995-02-03 | 1995-03-22 | Mini Agriculture & Fisheries | Amino acid compositions |
| KR100953915B1 (en) * | 2007-12-20 | 2010-04-22 | 고려대학교 산학협력단 | Manufacturing method of cheese containing a large amount of conjugated linoleic acid by controlling feeding time, feeding system and ripening condition |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE418749B (en) * | 1977-04-04 | 1981-06-22 | Ewos Ab | FILM TRANSMISSION POLICIES FOR FEED LIFE AND MEDICINAL PRODUCTS AND PH-DEPENDENT SOLUBILITY CHARACTERISTICS IN Aqueous media AND PROCEDURE FOR THEIR PREPARATION |
| US4181709A (en) * | 1977-09-02 | 1980-01-01 | Eastman Kodak Company | Rumen-stable pellets |
| BR8506634A (en) * | 1984-12-20 | 1986-09-09 | Rhone Poulenc Sante | COMPOSITES FOR COATING FOOD ADDITIVES INTENDED FOR RUMINANTS AND GRANULATES IN THE FORM OF MICROCAPSULES SO COATED |
| FR2603458B1 (en) * | 1986-09-04 | 1990-11-02 | Rhone Poulenc Sante | NOVEL COMPOSITIONS FOR COATING FOOD ADDITIVES FOR RUMINANTS AND FOOD ADDITIVES THUS COATED |
| FR2624351B1 (en) * | 1987-12-15 | 1991-11-22 | Rhone Poulenc Sante | ENZYMATICALLY DEGRADABLE COMPOSITIONS FOR COATING FOOD ADDITIVES FOR RUMINANTS |
-
1989
- 1989-10-10 FR FR8913184A patent/FR2652721B1/en not_active Expired - Lifetime
-
1990
- 1990-10-02 IL IL9587790A patent/IL95877A/en not_active IP Right Cessation
- 1990-10-05 AT AT90402766T patent/ATE99882T1/en active
- 1990-10-05 DE DE90402766T patent/DE69005973T2/en not_active Expired - Fee Related
- 1990-10-05 EP EP90402766A patent/EP0423000B1/en not_active Expired - Lifetime
- 1990-10-05 DK DK90402766.1T patent/DK0423000T3/en active
- 1990-10-05 ES ES90402766T patent/ES2062453T3/en not_active Expired - Lifetime
- 1990-10-08 NZ NZ235600A patent/NZ235600A/en unknown
- 1990-10-08 AU AU63864/90A patent/AU638059B2/en not_active Ceased
- 1990-10-09 ZA ZA908074A patent/ZA908074B/en unknown
- 1990-10-09 JP JP2269743A patent/JPH03139247A/en active Pending
- 1990-10-09 CA CA002027181A patent/CA2027181A1/en not_active Abandoned
- 1990-10-09 IE IE361590A patent/IE64733B1/en not_active IP Right Cessation
- 1990-10-10 KR KR1019900016047A patent/KR0131871B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69005973T2 (en) | 1994-05-11 |
| DK0423000T3 (en) | 1994-02-21 |
| ZA908074B (en) | 1991-08-28 |
| IL95877A0 (en) | 1991-07-18 |
| EP0423000B1 (en) | 1994-01-12 |
| KR0131871B1 (en) | 1998-04-14 |
| JPH03139247A (en) | 1991-06-13 |
| KR910007434A (en) | 1991-05-30 |
| ES2062453T3 (en) | 1994-12-16 |
| NZ235600A (en) | 1993-03-26 |
| EP0423000A1 (en) | 1991-04-17 |
| IE64733B1 (en) | 1995-09-06 |
| IE903615A1 (en) | 1991-04-24 |
| AU638059B2 (en) | 1993-06-17 |
| ATE99882T1 (en) | 1994-01-15 |
| DE69005973D1 (en) | 1994-02-24 |
| FR2652721B1 (en) | 1992-06-19 |
| FR2652721A1 (en) | 1991-04-12 |
| AU6386490A (en) | 1991-04-18 |
| CA2027181A1 (en) | 1991-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RH | Patent void |