Enzymatic peracid bleaching system

Details Enzymatic peracid bleaching system Enzymatic peracid bleaching system

1986-11-19

1991-07-09

Schwartz, Richard A.

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

252 95, 252103, 25217412, 435195, 435198, 435132, 935 14, D06B 300, C11D 3395, C11D 3386

Patent

active

050302400

ABSTRACT:
An enzymatic perhydrolysis system, useful for bleaching, has a novel enzyme, a substrate, and a source of hydrogen peroxide, and provides in situ formation of peracid in aqueous solution. The substrate is selected for enzyme catalyzed reaction, and preferably is an acylglycerol with two or three fatty acid chains. The enzyme is hydrolytically and perhydrolytically active even in the presence of anionic surfactants, has lipase activity, and is isolatable from Pseudomonas putida ATCC 53552.

REFERENCES:
patent: 3974082 (1976-08-01), Weyn
patent: 4707291 (1987-11-01), Thom et al.
Jensen, R. G., in Progress the Chem. Fats Other Lipids, (1971), 11, pp. 347-394.
Sheldon N. Lewis, "Peracid and Peroxide Oxidations", (1969), pp. 213-258 , Oxidation, vol. 1, Marcell Dekker, Inc., New York.

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