Compositions comprising soy protein and processes of their...

A - Human Necessities – 23 – J

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A23J 3/16 (2006.01) A23L 1/305 (2006.01) A23L 2/39 (2006.01) A23L 2/66 (2006.01)

Patent

CA 2457898

The present disclosure describes compositions having an improved creamy mouthfeel and the health benefits of soy protein. Further described are compositions comprising soy protein particles having a mean particle size distribution of from about 0.1 to about 10 microns, wherein the compositions are substantially free of fat. Other described compositions are those comprising soy protein particles having a mean particle size distribution of from about 0.1 to about 10 microns; and having a pH of from about 6 to about 8 or, alternatively, from about 2.5 to about 3.5. The disclosure further relates a process for producing a composition comprising soy protein particles, comprising the steps of: a) providing a mixture of a soy protein and an aqueous liquid, wherein the pH of the mixture is at least about 11;b) lowering the pH of the mixture to a pH of from about 6 to about 8 and applying mechanical energy to the mixture;wherein when the pH of the mixture is greater than about 8 the temperature of the mixture is at about 20 oC or less; and wherein the soy protein particles have a mean particle size distribution of from about 0.1 to about 10 microns.

La présente invention concerne des compositions présentant en bouche une sensation crémeuse renforcée et offrant des avantages accrus pour la santé. L'invention concerne en outre des compositions comportant des particules de protéine du soja d'une distribution moyenne du calibre des particules d'environ 0,1 à environ 10 ?m, ces compositions étant sensiblement exemptes de graisses. L'invention concerne également des compositions comprenant des particules de protéine du soja d'une distribution moyenne du calibre des particules d'environ 0,1 à environ 10 ?m, et dont le pH est compris d'environ 6 à environ 8, ou autrement, d'environ 2,5 à environ 3,5. L'invention concerne aussi un procédé de production d'une composition comprenant des particules de protéine de soja. Ce procédé nécessite a) de réaliser un mélange de protéine de soja et d'un liquide aqueux, le mélange présentant un pH d'au moins environ 11, puis b) d'abaisser le pH du mélange jusqu'à un point entre environ 6 et environ 8 et d'appliquer au mélange une énergie mécanique. En l'occurrence, lorsque le pH du mélange est supérieur à environ 8, la température du mélange est d'environ 20 ·C au maximum, les particules de protéine de soja présentant une distribution moyenne des calibres de particules allant d'environ 0,1 à environ 10 ?m.

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