Bovine milk having a high n6-polyunsaturated fatty acid content
AssigneeFrieslandCampina Nederland B.V.
InventorsRogier Daniël VAN ANHOLT, Jeroen Margot Leon HECK
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AssigneeFrieslandCampina Nederland B.V.
InventorsRogier Daniël VAN ANHOLT, Jeroen Margot Leon HECK
Estimating the term…
The present invention relates to bovine milk fat comprising, based on total fatty acid content, 8.9-29.0 wt % linoleic acid (C18:2 cis, 9,12), 0.9-2.4 wt % alpha-linolenic acid (C18:3 cis 9,12,15), and 3-5 wt % butyric acid (C4:0). The present invention further relates to a bovine milk comprising said milk fat and to a method for producing said milk by feeding a lactating bovine mammal with a rumen-protected linoleic acid source and a rumen-protected alpha-linolenic acid source, followed by milking the lactating bovine animal.
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The formula milk of claim 15, wherein the formula milk is an infant formula, a follow-up formula, or a growing-up formula.
Dependencies are inferred from the claim text.
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Other edible oils or fats, e.g. shortenings or cooking oils: characterised by the production or working-up
Fatty acids or derivatives thereof; Fats or oils: fatty acids or derivatives thereof
Containing additives: fatty acids; Mono- or diglycerides; Petroleum jelly; Paraffine; Phospholipids; Derivatives thereof
Edible oil or fat compositions containing an aqueous phase, e.g. margarines: characterised by the production or working-up
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The invention relates to the field of formula milk, suitable as nutrition for children. In particular, the invention relates to a bovine milk and bovine milk fat that can be used as an ingredient for such formula milk. The invention further relates to a method for producing a bovine milk or a bovine milk fat.
Formula milk products, such as infant formulas (for babies under 12 months of age), follow-up formulas (for infants of 6-12 months of age) and growing-up formulas (for toddlers of 12 months and older, typically up to about 3 years of age), are usually produced from (bovine milk) proteins, a fat source, a carbohydrate source, a vitamin-mineral mix, and other ingredients. The fat source is or contains a blend of vegetable oils.
According to requirements set by regulatory bodies and/or recommended by food and health organisations, the fat composition in formula milk products has to contain sufficiently high levels of linoleic acid (C18:2 cis 9,12; herein also referred to as “LA”), and alpha-linolenic acid (C18:3 cis 9,12,15; herein also referred to as “ALA”), and a specific ratio of the two.
A vegetable oil (soybean) having a fatty acid composition as shown in Table 1 was encapsulated with whey protein (WPC 80) in a weight ratio of about 78 soybean oil to 17 whey protein, using the following method:
1000 kg of an emulsion was prepared by mixing 663 kg water, 272 kg of soybean oil, and 66 kg WPC 80 (extrion PROGEL, FrieslandCampina; 80% protein in dry matter) in a stirred vessel, under homogenization using a Ultra Turrax®, temperature 60° C. Then the emulsion was homogenized again in a high pressure homogenizer at a pressure of 350/50 bar at 60° C., followed by a heat treatment at 82° C. for 1 hour. The heated emulsion was cooled to 55° C. and spray dried using a Spraying Systems nozzle configuration 64/21 at a pressure of 70 bar. Inlet temperature was 155° C., outlet temperature 68° C. The powder contained 79.6 wt % fat, 17.1 wt % protein, 1.2 wt % moisture. The fatty acid composition is shown in Table 1.
TABLE 1 Fatty acid composition Fatty acid (wt % fat) C14:0 myristic acid 0.2 C16:0 palmitic acid 10.8 C18:0 stearic acid 1.5 C18: 1cis oleic acid 22.6 C18:2cis linoleic acid 58.9 C18:3-9cis alpha-linolenic acid 5.3 C18:3-6cis gamma-linoleic acid 0.3 C20:1 gadoleic acid 0.4 C20:3 eicosatrienoic acid 0.6 C20:5 eicosapentaenoic acid 0.5 Trans fatty acids 0.7