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Method for the production of a porous powder product containing a probiotic or other microorganisms
专利权人:
CLEXTRAL
发明人:
Maxime Collado,Jean-Marie Bouvier
申请号:
US14407852
公开号:
US09763472B2
申请日:
2013.03.22
申请国别(地区):
US
年份:
2017
代理人:
摘要:
The invention proposes a method for the production of a porous powder product containing a microorganism, from a liquid concentrate comprising at least one liquid microorganism culture and a carrier composition, the carrier composition comprising at least one carbohydrate and at least one protein, the method comprising the steps of: i) preparing the liquid concentrate to have both a temperature of between and 40° C. and a viscosity greater than 150 mPa·s; ii) injecting a food grade gas into the prepared concentrate at a pressure greater than 0.3 MPa to intimately incorporate the gas into the liquid concentrate and form a stable foam with a density of between about 0.6 to about 1.2 kg/l; iii) conveying the foam to an atomizing device wherein the pressure of the foam is reduced from 0.3 MPa to atmospheric pressure to provide a partially dried product; and iv) exposing the partially dried product to a drying media to reduce both the moisture content to less than 5% moisture and the water activity to less than 0.25 Aw, when measured at 20° C., and to provide the porous powder product, wherein the temperature of the porous powder product in step (iv) does not exceed 50° C.
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