Process for the preparation of indole on the basis of a tryptoph

Details Process for the preparation of indole on the basis of a tryptoph Process for the preparation of indole on the basis of a tryptoph

1991-02-20

1992-05-12

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing heterocyclic carbon compound having only o, n, s,...

43525233, 4352528, 435803, 435822, 435849, 435880, C12P 1700, A23L 100, C12N 120, C12R 1425

Patent

active

051127474

ABSTRACT:
The invention relates to a process for the preparation of indole applicable in flavoring and perfume compositions wherein a micro-organism which does not or hardly metabolize indole is cultured aerobically or anaerobically in a culture medium containing as the substrate tryptophan of natural origin. The produced indole in the fermentation broth may be isolated therefrom with a food grade extraction agent.

REFERENCES:
patent: 4520103 (1985-05-01), Ensley
patent: 4752301 (1988-06-01), Koch
Furia et al., Fernaroli's Handbook of Flavor Ingredients, 2nd Ed., 1975.
Yokoyama et al., Applied Microbiology, vol. 27, No. 3 (Mar. 1974) pp. 540-548.
Biological Abstracts, vol. 79 (1985) Abstract No. 39988.
Patent Abstracts of Japan, vol. 14, No. 14 (Jan. 12, 1990) Abstract No. 14 (C-674) [3957].

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