Production and use of a high-intensity red natural colorant deri

Details Production and use of a high-intensity red natural colorant deri Production and use of a high-intensity red natural colorant deri

1990-07-02

1991-08-13

Hunter, Jeanette

Food or edible material: processes, compositions, and products

Addition of dye or pigment, including optical brightener

426540, 426 49, 435 41, 435 67, 435 74, 8438, 8506, 8646, 86371, A23L 1275

Patent

active

050395360

ABSTRACT:
The production and use of a high-intensity red natural colorant prepared from an anthocyanin derived from the cell line of Daucus carota (carrot) is described. The production of the high-intensity red natural colorant comprises the cultivation of Daucus carota in a cell tissue culture. Carrot cells are extracted from the cell tissue culture after subculturing and a suitable growth period. The extract is then purified in order to isolate the anthocyanin found in the carrot cells. The anthocyanin is then concentrated to produce the red natural colorant of the invention. The natural colorant produced is stable over a wide pH range under various conditions. The natural colorant is useful as a coloring agent for food products, cosmetics, and pharmaceuticals.

REFERENCES:
patent: 4115595 (1978-09-01), Jordan
patent: 4118516 (1978-10-01), Praag et al.
patent: 4145254 (1979-03-01), Shephard et al.
patent: 4172902 (1979-10-01), Asen et al.
patent: 4238518 (1980-12-01), Poisson
patent: 4304792 (1981-12-01), Sreenivasan et al.
patent: 4452822 (1984-06-01), Shrikhande
patent: 4481226 (1984-11-01), Crosby
patent: 4500556 (1985-02-01), Langsbon
Handbook of U.S. Colorants for Foods, Drugs & Cosmetics, Wiley-Interscience Pub. John Wiley & Sons, N.Y. pp. 109, 1984.

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