Process for the preparation of flavor and fragrance materials

Details Process for the preparation of flavor and fragrance materials Process for the preparation of flavor and fragrance materials

1989-11-15

1991-02-26

Yeung, George

Food or edible material: processes, compositions, and products

Direct application of electrical or wave energy to food...

Treatment with ultraviolet or visible light

20415788, 426650, A23L 100

Patent

active

049960695

ABSTRACT:
The invention relates to a process for the preparation of flavor and fragrance materials by oxidizing a solution of carotene in an aprotic solvent under the influence of ultra-violet light. The carotene may be synthetic or obtained by extraction with an aprotic solvent or solvent mixture of carotene-containing vegetable material or micro-organisms, which are suitable for human consumption. The reaction is preferably carried out at ambient temperature with UV light with a wave length of 350-560 nm.

REFERENCES:
patent: 2959521 (1960-11-01), Zajic
patent: 4351346 (1982-09-01), Brummer et al.
S. Isoe et al, "Photo-Oxygenation of Carotenoids . . . ", Tetrahedron Letters, No. 4, 1969, Pergamon Press (GB).
Fenaroli's Handbook of Flavor Ingredients, 1971, Chemical Rubber Co., "-Ionone".
S. Arctander: Perfume and Flavor Chemicals (Aroma Chemicals), I, 1969.
Hohler et al., Chem. Mikrobiol. Technol. Lebensm., 11:115-126 (1988).

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