Premix composition for clarifying beer

Details Premix composition for clarifying beer Premix composition for clarifying beer

2006-12-26

2006-12-26

Cano, Milton I. (Department: 1761)

Food or edible material: processes, compositions, and products

Inhibiting chemical or physical change of food by contact...

Treating liquid material

C426S422000, C426S423000, C426S442000

Reexamination Certificate

active

07153534

ABSTRACT:
A premix composition for clarifying beverages like beer includes, by weight, (a) about 40 to 90%, preferably 60–85%, of silica xerogel having less than 10% water therein, preferably 5% or less, and a particle size, as defined by its mean volume average diameter MV, in both the dry state and as a 10% aqueous slurry, of less than 50μ, preferably about 5–30μ, and (b) about 10 to 60%, preferably 15–40%, of crosslinked polyvinylpyrrolidone having a particle size as defined, in the dry state, of about 10 to 50μ, and about 30–60μ in a 10% aqueous slurry, and a process of obtaining, chill-haze stabilized beer with substantial reduction in high molecular weight proteins, as well as polyphenols, flavanoids and tannins, in an efficient and effective single-step process at a rapid filter-flow rate, with undetectable residual soluble plyvinylpyrrolidone thereafter, and no microbiological growth in the premix, effective haze stability after time, and advantageous redispersibility of the premix used in the process.

REFERENCES:
patent: 4636394 (1987-01-01), Hsu
patent: 4975405 (1990-12-01), Okamura et al.
patent: 5149553 (1992-09-01), Berg et al.

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